1Config(3pm) Perl Programmers Reference Guide Config(3pm)
2
6 Config - access Perl configuration information
7
9 use Config;
10 if ($Config{usethreads}) {
11 print "has thread support\n"
12 }
13 use Config qw(myconfig config_sh config_vars config_re);
15 print myconfig();
17 print config_sh();
19 print config_re();
21 config_vars(qw(osname archname));
23
25 The Config module contains all the information that was available to
26 the "Configure" program at Perl build time (over 900 values).
27 Shell variables from the config.sh file (written by Configure) are
29 stored in the readonly-variable %Config, indexed by their names.
30 Values stored in config.sh as 'undef' are returned as undefined values.
32 The perl "exists" function can be used to check if a named variable
33 exists.
34 For a description of the variables, please have a look at the Glossary
36 file, as written in the Porting folder, or use the url:
37 http://perl5.git.perl.org/perl.git/blob/HEAD:/Porting/Glossary
38 myconfig()
40 Returns a textual summary of the major perl configuration values.
41 See also "-V" in "Switches" in perlrun.
42 config_sh()
44 Returns the entire perl configuration information in the form of
45 the original config.sh shell variable assignment script.
46 config_re($regex)
48 Like config_sh() but returns, as a list, only the config entries
49 who's names match the $regex.
50 config_vars(@names)
52 Prints to STDOUT the values of the named configuration variable.
53 Each is printed on a separate line in the form:
54 name='value';
56 Names which are unknown are output as "name='UNKNOWN';". See also
58 "-V:name" in "Switches" in perlrun.
59
61 Here's a more sophisticated example of using %Config:
62 use Config;
64 use strict;
65 my %sig_num;
67 my @sig_name;
68 unless($Config{sig_name} && $Config{sig_num}) {
69 die "No sigs?";
70 } else {
71 my @names = split ' ', $Config{sig_name};
72 @sig_num{@names} = split ' ', $Config{sig_num};
73 foreach (@names) {
74 $sig_name[$sig_num{$_}] ||= $_;
75 }
76 }
77 print "signal #17 = $sig_name[17]\n";
79 if ($sig_num{ALRM}) {
80 print "SIGALRM is $sig_num{ALRM}\n";
81 }
82
84 Because this information is not stored within the perl executable
85 itself it is possible (but unlikely) that the information does not
86 relate to the actual perl binary which is being used to access it.
87 The Config module is installed into the architecture and version
89 specific library directory ($Config{installarchlib}) and it checks the
90 perl version number when loaded.
91 The values stored in config.sh may be either single-quoted or double-
93 quoted. Double-quoted strings are handy for those cases where you need
94 to include escape sequences in the strings. To avoid runtime variable
95 interpolation, any "$" and "@" characters are replaced by "\$" and
96 "\@", respectively. This isn't foolproof, of course, so don't embed
97 "\$" or "\@" in double-quoted strings unless you're willing to deal
98 with the consequences. (The slashes will end up escaped and the "$" or
99 "@" will trigger variable interpolation)
100
102 Most "Config" variables are determined by the "Configure" script on
103 platforms supported by it (which is most UNIX platforms). Some
104 platforms have custom-made "Config" variables, and may thus not have
105 some of the variables described below, or may have extraneous variables
106 specific to that particular port. See the port specific documentation
107 in such cases.
108 _
110 "_a"
111 From Unix.U:
112 This variable defines the extension used for ordinary library
114 files. For unix, it is .a. The . is included. Other possible
115 values include .lib.
116 "_exe"
118 From Unix.U:
119 This variable defines the extension used for executable files.
121 "DJGPP", Cygwin and OS/2 use .exe. Stratus "VOS" uses .pm. On
122 operating systems which do not require a specific extension for
123 executable files, this variable is empty.
124 "_o"
126 From Unix.U:
127 This variable defines the extension used for object files. For
129 unix, it is .o. The . is included. Other possible values include
130 .obj.
131 a
133 "afs"
134 From afs.U:
135 This variable is set to "true" if "AFS" (Andrew File System) is
137 used on the system, "false" otherwise. It is possible to override
138 this with a hint value or command line option, but you'd better
139 know what you are doing.
140 "afsroot"
142 From afs.U:
143 This variable is by default set to /afs. In the unlikely case this
145 is not the correct root, it is possible to override this with a
146 hint value or command line option. This will be used in subsequent
147 tests for AFSness in the configure and test process.
148 "alignbytes"
150 From alignbytes.U:
151 This variable holds the number of bytes required to align a
153 double-- or a long double when applicable. Usual values are 2, 4
154 and 8. The default is eight, for safety.
155 "ansi2knr"
157 From ansi2knr.U:
158 This variable is set if the user needs to run ansi2knr. Currently,
160 this is not supported, so we just abort.
161 "aphostname"
163 From d_gethname.U:
164 This variable contains the command which can be used to compute the
166 host name. The command is fully qualified by its absolute path, to
167 make it safe when used by a process with super-user privileges.
168 "api_revision"
170 From patchlevel.U:
171 The three variables, api_revision, api_version, and api_subversion,
173 specify the version of the oldest perl binary compatible with the
174 present perl. In a full version string such as 5.6.1, api_revision
175 is the 5. Prior to 5.5.640, the format was a floating point
176 number, like 5.00563.
177 perl.c:incpush() and lib/lib.pm will automatically search in
179 $sitelib/.. for older directories back to the limit specified by
180 these api_ variables. This is only useful if you have a perl
181 library directory tree structured like the default one. See
182 "INSTALL" for how this works. The versioned site_perl directory
183 was introduced in 5.005, so that is the lowest possible value. The
184 version list appropriate for the current system is determined in
185 inc_version_list.U.
186 "XXX" To do: Since compatibility can depend on compile time
188 options (such as bincompat, longlong, etc.) it should (perhaps) be
189 set by Configure, but currently it isn't. Currently, we read a
190 hard-wired value from patchlevel.h. Perhaps what we ought to do is
191 take the hard-wired value from patchlevel.h but then modify it if
192 the current Configure options warrant. patchlevel.h then would use
193 an #ifdef guard.
194 "api_subversion"
196 From patchlevel.U:
197 The three variables, api_revision, api_version, and api_subversion,
199 specify the version of the oldest perl binary compatible with the
200 present perl. In a full version string such as 5.6.1,
201 api_subversion is the 1. See api_revision for full details.
202 "api_version"
204 From patchlevel.U:
205 The three variables, api_revision, api_version, and api_subversion,
207 specify the version of the oldest perl binary compatible with the
208 present perl. In a full version string such as 5.6.1, api_version
209 is the 6. See api_revision for full details. As a special case,
210 5.5.0 is rendered in the old-style as 5.005. (In the 5.005_0x
211 maintenance series, this was the only versioned directory in
212 $sitelib.)
213 "api_versionstring"
215 From patchlevel.U:
216 This variable combines api_revision, api_version, and
218 api_subversion in a format such as 5.6.1 (or 5_6_1) suitable for
219 use as a directory name. This is filesystem dependent.
220 "ar"
222 From Loc.U:
223 This variable is used internally by Configure to determine the full
225 pathname (if any) of the ar program. After Configure runs, the
226 value is reset to a plain "ar" and is not useful.
227 "archlib"
229 From archlib.U:
230 This variable holds the name of the directory in which the user
232 wants to put architecture-dependent public library files for
233 $package. It is most often a local directory such as
234 /usr/local/lib. Programs using this variable must be prepared to
235 deal with filename expansion.
236 "archlibexp"
238 From archlib.U:
239 This variable is the same as the archlib variable, but is filename
241 expanded at configuration time, for convenient use.
242 "archname"
244 From archname.U:
245 This variable is a short name to characterize the current
247 architecture. It is used mainly to construct the default archlib.
248 "archname64"
250 From use64bits.U:
251 This variable is used for the 64-bitness part of $archname.
253 "archobjs"
255 From Unix.U:
256 This variable defines any additional objects that must be linked in
258 with the program on this architecture. On unix, it is usually
259 empty. It is typically used to include emulations of unix calls or
260 other facilities. For perl on OS/2, for example, this would
261 include os2/os2.obj.
262 "asctime_r_proto"
264 From d_asctime_r.U:
265 This variable encodes the prototype of asctime_r. It is zero if
267 d_asctime_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
268 of reentr.h if d_asctime_r is defined.
269 "awk"
271 From Loc.U:
272 This variable is used internally by Configure to determine the full
274 pathname (if any) of the awk program. After Configure runs, the
275 value is reset to a plain "awk" and is not useful.
276 b
278 "baserev"
279 From baserev.U:
280 The base revision level of this package, from the .package file.
282 "bash"
284 From Loc.U:
285 This variable is defined but not used by Configure. The value is
287 the empty string and is not useful.
288 "bin"
290 From bin.U:
291 This variable holds the name of the directory in which the user
293 wants to put publicly executable images for the package in
294 question. It is most often a local directory such as
295 /usr/local/bin. Programs using this variable must be prepared to
296 deal with ~name substitution.
297 "bin_ELF"
299 From dlsrc.U:
300 This variable saves the result from configure if generated binaries
302 are in "ELF" format. Only set to defined when the test has actually
303 been performed, and the result was positive.
304 "binexp"
306 From bin.U:
307 This is the same as the bin variable, but is filename expanded at
309 configuration time, for use in your makefiles.
310 "bison"
312 From Loc.U:
313 This variable is used internally by Configure to determine the full
315 pathname (if any) of the bison program. After Configure runs, the
316 value is reset to a plain "bison" and is not useful.
317 "byacc"
319 From Loc.U:
320 This variable is used internally by Configure to determine the full
322 pathname (if any) of the byacc program. After Configure runs, the
323 value is reset to a plain "byacc" and is not useful.
324 "byteorder"
326 From byteorder.U:
327 This variable holds the byte order in a "UV". In the following,
329 larger digits indicate more significance. The variable byteorder
330 is either 4321 on a big-endian machine, or 1234 on a little-endian,
331 or 87654321 on a Cray ... or 3412 with weird order !
332 c
334 "c" From n.U:
335 This variable contains the \c string if that is what causes the
337 echo command to suppress newline. Otherwise it is null. Correct
338 usage is $echo $n "prompt for a question: $c".
339 "castflags"
341 From d_castneg.U:
342 This variable contains a flag that precise difficulties the
344 compiler has casting odd floating values to unsigned long: 0 = ok 1
345 = couldn't cast < 0 2 = couldn't cast >= 0x80000000 4 = couldn't
346 cast in argument expression list
347 "cat"
349 From Loc.U:
350 This variable is used internally by Configure to determine the full
352 pathname (if any) of the cat program. After Configure runs, the
353 value is reset to a plain "cat" and is not useful.
354 "cc"
356 From cc.U:
357 This variable holds the name of a command to execute a C compiler
359 which can resolve multiple global references that happen to have
360 the same name. Usual values are "cc" and "gcc". Fervent "ANSI"
361 compilers may be called "c89". "AIX" has xlc.
362 "cccdlflags"
364 From dlsrc.U:
365 This variable contains any special flags that might need to be
367 passed with "cc -c" to compile modules to be used to create a
368 shared library that will be used for dynamic loading. For hpux,
369 this should be +z. It is up to the makefile to use it.
370 "ccdlflags"
372 From dlsrc.U:
373 This variable contains any special flags that might need to be
375 passed to cc to link with a shared library for dynamic loading. It
376 is up to the makefile to use it. For sunos 4.1, it should be
377 empty.
378 "ccflags"
380 From ccflags.U:
381 This variable contains any additional C compiler flags desired by
383 the user. It is up to the Makefile to use this.
384 "ccflags_uselargefiles"
386 From uselfs.U:
387 This variable contains the compiler flags needed by large file
389 builds and added to ccflags by hints files.
390 "ccname"
392 From Checkcc.U:
393 This can set either by hints files or by Configure. If using gcc,
395 this is gcc, and if not, usually equal to cc, unimpressive, no?
396 Some platforms, however, make good use of this by storing the
397 flavor of the C compiler being used here. For example if using the
398 Sun WorkShop suite, ccname will be "workshop".
399 "ccsymbols"
401 From Cppsym.U:
402 The variable contains the symbols defined by the C compiler alone.
404 The symbols defined by cpp or by cc when it calls cpp are not in
405 this list, see cppsymbols and cppccsymbols. The list is a space-
406 separated list of symbol=value tokens.
407 "ccversion"
409 From Checkcc.U:
410 This can set either by hints files or by Configure. If using a
412 (non-gcc) vendor cc, this variable may contain a version for the
413 compiler.
414 "cf_by"
416 From cf_who.U:
417 Login name of the person who ran the Configure script and answered
419 the questions. This is used to tag both config.sh and config_h.SH.
420 "cf_email"
422 From cf_email.U:
423 Electronic mail address of the person who ran Configure. This can
425 be used by units that require the user's e-mail, like MailList.U.
426 "cf_time"
428 From cf_who.U:
429 Holds the output of the "date" command when the configuration file
431 was produced. This is used to tag both config.sh and config_h.SH.
432 "charbits"
434 From charsize.U:
435 This variable contains the value of the "CHARBITS" symbol, which
437 indicates to the C program how many bits there are in a character.
438 "charsize"
440 From charsize.U:
441 This variable contains the value of the "CHARSIZE" symbol, which
443 indicates to the C program how many bytes there are in a character.
444 "chgrp"
446 From Loc.U:
447 This variable is defined but not used by Configure. The value is
449 the empty string and is not useful.
450 "chmod"
452 From Loc.U:
453 This variable is used internally by Configure to determine the full
455 pathname (if any) of the chmod program. After Configure runs, the
456 value is reset to a plain "chmod" and is not useful.
457 "chown"
459 From Loc.U:
460 This variable is defined but not used by Configure. The value is
462 the empty string and is not useful.
463 "clocktype"
465 From d_times.U:
466 This variable holds the type returned by times(). It can be long,
468 or clock_t on "BSD" sites (in which case <sys/types.h> should be
469 included).
470 "comm"
472 From Loc.U:
473 This variable is used internally by Configure to determine the full
475 pathname (if any) of the comm program. After Configure runs, the
476 value is reset to a plain "comm" and is not useful.
477 "compress"
479 From Loc.U:
480 This variable is defined but not used by Configure. The value is
482 the empty string and is not useful.
483 "config_arg0"
485 From Options.U:
486 This variable contains the string used to invoke the Configure
488 command, as reported by the shell in the $0 variable.
489 "config_argc"
491 From Options.U:
492 This variable countains the number of command-line arguments passed
494 to Configure, as reported by the shell in the $# variable. The
495 individual arguments are stored as variables config_argc1,
496 config_argc2, etc.
497 "config_args"
499 From Options.U:
500 This variable contains a single string giving the command-line
502 arguments passed to Configure. Spaces within arguments, quotes, and
503 escaped characters are not correctly preserved. To reconstruct the
504 command line, you must assemble the individual command line pieces,
505 given in config_arg[0-9]*.
506 "contains"
508 From contains.U:
509 This variable holds the command to do a grep with a proper return
511 status. On most sane systems it is simply "grep". On insane
512 systems it is a grep followed by a cat followed by a test. This
513 variable is primarily for the use of other Configure units.
514 "cp"
516 From Loc.U:
517 This variable is used internally by Configure to determine the full
519 pathname (if any) of the cp program. After Configure runs, the
520 value is reset to a plain "cp" and is not useful.
521 "cpio"
523 From Loc.U:
524 This variable is defined but not used by Configure. The value is
526 the empty string and is not useful.
527 "cpp"
529 From Loc.U:
530 This variable is used internally by Configure to determine the full
532 pathname (if any) of the cpp program. After Configure runs, the
533 value is reset to a plain "cpp" and is not useful.
534 "cpp_stuff"
536 From cpp_stuff.U:
537 This variable contains an identification of the concatenation
539 mechanism used by the C preprocessor.
540 "cppccsymbols"
542 From Cppsym.U:
543 The variable contains the symbols defined by the C compiler when it
545 calls cpp. The symbols defined by the cc alone or cpp alone are
546 not in this list, see ccsymbols and cppsymbols. The list is a
547 space-separated list of symbol=value tokens.
548 "cppflags"
550 From ccflags.U:
551 This variable holds the flags that will be passed to the C pre-
553 processor. It is up to the Makefile to use it.
554 "cpplast"
556 From cppstdin.U:
557 This variable has the same functionality as cppminus, only it
559 applies to cpprun and not cppstdin.
560 "cppminus"
562 From cppstdin.U:
563 This variable contains the second part of the string which will
565 invoke the C preprocessor on the standard input and produce to
566 standard output. This variable will have the value "-" if cppstdin
567 needs a minus to specify standard input, otherwise the value is "".
568 "cpprun"
570 From cppstdin.U:
571 This variable contains the command which will invoke a C
573 preprocessor on standard input and put the output to stdout. It is
574 guaranteed not to be a wrapper and may be a null string if no
575 preprocessor can be made directly available. This preprocessor
576 might be different from the one used by the C compiler. Don't
577 forget to append cpplast after the preprocessor options.
578 "cppstdin"
580 From cppstdin.U:
581 This variable contains the command which will invoke the C
583 preprocessor on standard input and put the output to stdout. It is
584 primarily used by other Configure units that ask about preprocessor
585 symbols.
586 "cppsymbols"
588 From Cppsym.U:
589 The variable contains the symbols defined by the C preprocessor
591 alone. The symbols defined by cc or by cc when it calls cpp are
592 not in this list, see ccsymbols and cppccsymbols. The list is a
593 space-separated list of symbol=value tokens.
594 "crypt_r_proto"
596 From d_crypt_r.U:
597 This variable encodes the prototype of crypt_r. It is zero if
599 d_crypt_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
600 of reentr.h if d_crypt_r is defined.
601 "cryptlib"
603 From d_crypt.U:
604 This variable holds -lcrypt or the path to a libcrypt.a archive if
606 the crypt() function is not defined in the standard C library. It
607 is up to the Makefile to use this.
608 "csh"
610 From Loc.U:
611 This variable is used internally by Configure to determine the full
613 pathname (if any) of the csh program. After Configure runs, the
614 value is reset to a plain "csh" and is not useful.
615 "ctermid_r_proto"
617 From d_ctermid_r.U:
618 This variable encodes the prototype of ctermid_r. It is zero if
620 d_ctermid_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
621 of reentr.h if d_ctermid_r is defined.
622 "ctime_r_proto"
624 From d_ctime_r.U:
625 This variable encodes the prototype of ctime_r. It is zero if
627 d_ctime_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
628 of reentr.h if d_ctime_r is defined.
629 d
631 "d__fwalk"
632 From d__fwalk.U:
633 This variable conditionally defines "HAS__FWALK" if _fwalk() is
635 available to apply a function to all the file handles.
636 "d_access"
638 From d_access.U:
639 This variable conditionally defines "HAS_ACCESS" if the access()
641 system call is available to check for access permissions using real
642 IDs.
643 "d_accessx"
645 From d_accessx.U:
646 This variable conditionally defines the "HAS_ACCESSX" symbol, which
648 indicates to the C program that the accessx() routine is available.
649 "d_aintl"
651 From d_aintl.U:
652 This variable conditionally defines the "HAS_AINTL" symbol, which
654 indicates to the C program that the aintl() routine is available.
655 If copysignl is also present we can emulate modfl.
656 "d_alarm"
658 From d_alarm.U:
659 This variable conditionally defines the "HAS_ALARM" symbol, which
661 indicates to the C program that the alarm() routine is available.
662 "d_archlib"
664 From archlib.U:
665 This variable conditionally defines "ARCHLIB" to hold the pathname
667 of architecture-dependent library files for $package. If $archlib
668 is the same as $privlib, then this is set to undef.
669 "d_asctime64"
671 From d_timefuncs64.U:
672 This variable conditionally defines the HAS_ASCTIME64 symbol, which
674 indicates to the C program that the asctime64 () routine is
675 available.
676 "d_asctime_r"
678 From d_asctime_r.U:
679 This variable conditionally defines the "HAS_ASCTIME_R" symbol,
681 which indicates to the C program that the asctime_r() routine is
682 available.
683 "d_atolf"
685 From atolf.U:
686 This variable conditionally defines the "HAS_ATOLF" symbol, which
688 indicates to the C program that the atolf() routine is available.
689 "d_atoll"
691 From atoll.U:
692 This variable conditionally defines the "HAS_ATOLL" symbol, which
694 indicates to the C program that the atoll() routine is available.
695 "d_attribute_deprecated"
697 From d_attribut.U:
698 This variable conditionally defines "HASATTRIBUTE_DEPRECATED",
700 which indicates that "GCC" can handle the attribute for marking
701 deprecated APIs
702 "d_attribute_format"
704 From d_attribut.U:
705 This variable conditionally defines "HASATTRIBUTE_FORMAT", which
707 indicates the C compiler can check for printf-like formats.
708 "d_attribute_malloc"
710 From d_attribut.U:
711 This variable conditionally defines "HASATTRIBUTE_MALLOC", which
713 indicates the C compiler can understand functions as having malloc-
714 like semantics.
715 "d_attribute_nonnull"
717 From d_attribut.U:
718 This variable conditionally defines "HASATTRIBUTE_NONNULL", which
720 indicates that the C compiler can know that certain arguments must
721 not be "NULL", and will check accordingly at compile time.
722 "d_attribute_noreturn"
724 From d_attribut.U:
725 This variable conditionally defines "HASATTRIBUTE_NORETURN", which
727 indicates that the C compiler can know that certain functions are
728 guaranteed never to return.
729 "d_attribute_pure"
731 From d_attribut.U:
732 This variable conditionally defines "HASATTRIBUTE_PURE", which
734 indicates that the C compiler can know that certain functions are
735 "pure" functions, meaning that they have no side effects, and only
736 rely on function input and/or global data for their results.
737 "d_attribute_unused"
739 From d_attribut.U:
740 This variable conditionally defines "HASATTRIBUTE_UNUSED", which
742 indicates that the C compiler can know that certain variables and
743 arguments may not always be used, and to not throw warnings if they
744 don't get used.
745 "d_attribute_warn_unused_result"
747 From d_attribut.U:
748 This variable conditionally defines
750 "HASATTRIBUTE_WARN_UNUSED_RESULT", which indicates that the C
751 compiler can know that certain functions have a return values that
752 must not be ignored, such as malloc() or open().
753 "d_bcmp"
755 From d_bcmp.U:
756 This variable conditionally defines the "HAS_BCMP" symbol if the
758 bcmp() routine is available to compare strings.
759 "d_bcopy"
761 From d_bcopy.U:
762 This variable conditionally defines the "HAS_BCOPY" symbol if the
764 bcopy() routine is available to copy strings.
765 "d_bsd"
767 From Guess.U:
768 This symbol conditionally defines the symbol "BSD" when running on
770 a "BSD" system.
771 "d_bsdgetpgrp"
773 From d_getpgrp.U:
774 This variable conditionally defines "USE_BSD_GETPGRP" if getpgrp
776 needs one arguments whereas "USG" one needs none.
777 "d_bsdsetpgrp"
779 From d_setpgrp.U:
780 This variable conditionally defines "USE_BSD_SETPGRP" if setpgrp
782 needs two arguments whereas "USG" one needs none. See also
783 d_setpgid for a "POSIX" interface.
784 "d_builtin_choose_expr"
786 From d_builtin.U:
787 This conditionally defines "HAS_BUILTIN_CHOOSE_EXPR", which
789 indicates that the compiler supports __builtin_choose_expr(x,y,z).
790 This built-in function is analogous to the "x?y:z" operator in C,
791 except that the expression returned has its type unaltered by
792 promotion rules. Also, the built-in function does not evaluate the
793 expression that was not chosen.
794 "d_builtin_expect"
796 From d_builtin.U:
797 This conditionally defines "HAS_BUILTIN_EXPECT", which indicates
799 that the compiler supports __builtin_expect(exp,c). You may use
800 __builtin_expect to provide the compiler with branch prediction
801 information.
802 "d_bzero"
804 From d_bzero.U:
805 This variable conditionally defines the "HAS_BZERO" symbol if the
807 bzero() routine is available to set memory to 0.
808 "d_c99_variadic_macros"
810 From d_c99_variadic.U:
811 This variable conditionally defines the HAS_C99_VARIADIC_MACROS
813 symbol, which indicates to the C program that C99 variadic macros
814 are available.
815 "d_casti32"
817 From d_casti32.U:
818 This variable conditionally defines CASTI32, which indicates
820 whether the C compiler can cast large floats to 32-bit ints.
821 "d_castneg"
823 From d_castneg.U:
824 This variable conditionally defines "CASTNEG", which indicates
826 wether the C compiler can cast negative float to unsigned.
827 "d_charvspr"
829 From d_vprintf.U:
830 This variable conditionally defines "CHARVSPRINTF" if this system
832 has vsprintf returning type (char*). The trend seems to be to
833 declare it as "int vsprintf()".
834 "d_chown"
836 From d_chown.U:
837 This variable conditionally defines the "HAS_CHOWN" symbol, which
839 indicates to the C program that the chown() routine is available.
840 "d_chroot"
842 From d_chroot.U:
843 This variable conditionally defines the "HAS_CHROOT" symbol, which
845 indicates to the C program that the chroot() routine is available.
846 "d_chsize"
848 From d_chsize.U:
849 This variable conditionally defines the "CHSIZE" symbol, which
851 indicates to the C program that the chsize() routine is available
852 to truncate files. You might need a -lx to get this routine.
853 "d_class"
855 From d_class.U:
856 This variable conditionally defines the "HAS_CLASS" symbol, which
858 indicates to the C program that the class() routine is available.
859 "d_clearenv"
861 From d_clearenv.U:
862 This variable conditionally defines the "HAS_CLEARENV" symbol,
864 which indicates to the C program that the clearenv () routine is
865 available.
866 "d_closedir"
868 From d_closedir.U:
869 This variable conditionally defines "HAS_CLOSEDIR" if closedir() is
871 available.
872 "d_cmsghdr_s"
874 From d_cmsghdr_s.U:
875 This variable conditionally defines the "HAS_STRUCT_CMSGHDR"
877 symbol, which indicates that the struct cmsghdr is supported.
878 "d_const"
880 From d_const.U:
881 This variable conditionally defines the "HASCONST" symbol, which
883 indicates to the C program that this C compiler knows about the
884 const type.
885 "d_copysignl"
887 From d_copysignl.U:
888 This variable conditionally defines the "HAS_COPYSIGNL" symbol,
890 which indicates to the C program that the copysignl() routine is
891 available. If aintl is also present we can emulate modfl.
892 "d_cplusplus"
894 From d_cplusplus.U:
895 This variable conditionally defines the "USE_CPLUSPLUS" symbol,
897 which indicates that a C++ compiler was used to compiled Perl and
898 will be used to compile extensions.
899 "d_crypt"
901 From d_crypt.U:
902 This variable conditionally defines the "CRYPT" symbol, which
904 indicates to the C program that the crypt() routine is available to
905 encrypt passwords and the like.
906 "d_crypt_r"
908 From d_crypt_r.U:
909 This variable conditionally defines the "HAS_CRYPT_R" symbol, which
911 indicates to the C program that the crypt_r() routine is available.
912 "d_csh"
914 From d_csh.U:
915 This variable conditionally defines the "CSH" symbol, which
917 indicates to the C program that the C-shell exists.
918 "d_ctermid"
920 From d_ctermid.U:
921 This variable conditionally defines "CTERMID" if ctermid() is
923 available to generate filename for terminal.
924 "d_ctermid_r"
926 From d_ctermid_r.U:
927 This variable conditionally defines the "HAS_CTERMID_R" symbol,
929 which indicates to the C program that the ctermid_r() routine is
930 available.
931 "d_ctime64"
933 From d_timefuncs64.U:
934 This variable conditionally defines the HAS_CTIME64 symbol, which
936 indicates to the C program that the ctime64 () routine is
937 available.
938 "d_ctime_r"
940 From d_ctime_r.U:
941 This variable conditionally defines the "HAS_CTIME_R" symbol, which
943 indicates to the C program that the ctime_r() routine is available.
944 "d_cuserid"
946 From d_cuserid.U:
947 This variable conditionally defines the "HAS_CUSERID" symbol, which
949 indicates to the C program that the cuserid() routine is available
950 to get character login names.
951 "d_dbl_dig"
953 From d_dbl_dig.U:
954 This variable conditionally defines d_dbl_dig if this system's
956 header files provide "DBL_DIG", which is the number of significant
957 digits in a double precision number.
958 "d_dbminitproto"
960 From d_dbminitproto.U:
961 This variable conditionally defines the "HAS_DBMINIT_PROTO" symbol,
963 which indicates to the C program that the system provides a
964 prototype for the dbminit() function. Otherwise, it is up to the
965 program to supply one.
966 "d_difftime"
968 From d_difftime.U:
969 This variable conditionally defines the "HAS_DIFFTIME" symbol,
971 which indicates to the C program that the difftime() routine is
972 available.
973 "d_difftime64"
975 From d_timefuncs64.U:
976 This variable conditionally defines the HAS_DIFFTIME64 symbol,
978 which indicates to the C program that the difftime64 () routine is
979 available.
980 "d_dir_dd_fd"
982 From d_dir_dd_fd.U:
983 This variable conditionally defines the "HAS_DIR_DD_FD" symbol,
985 which indicates that the "DIR" directory stream type contains a
986 member variable called dd_fd.
987 "d_dirfd"
989 From d_dirfd.U:
990 This variable conditionally defines the "HAS_DIRFD" constant, which
992 indicates to the C program that dirfd() is available to return the
993 file descriptor of a directory stream.
994 "d_dirnamlen"
996 From i_dirent.U:
997 This variable conditionally defines "DIRNAMLEN", which indicates to
999 the C program that the length of directory entry names is provided
1000 by a d_namelen field.
1001 "d_dlerror"
1003 From d_dlerror.U:
1004 This variable conditionally defines the "HAS_DLERROR" symbol, which
1006 indicates to the C program that the dlerror() routine is available.
1007 "d_dlopen"
1009 From d_dlopen.U:
1010 This variable conditionally defines the "HAS_DLOPEN" symbol, which
1012 indicates to the C program that the dlopen() routine is available.
1013 "d_dlsymun"
1015 From d_dlsymun.U:
1016 This variable conditionally defines "DLSYM_NEEDS_UNDERSCORE", which
1018 indicates that we need to prepend an underscore to the symbol name
1019 before calling dlsym().
1020 "d_dosuid"
1022 From d_dosuid.U:
1023 This variable conditionally defines the symbol "DOSUID", which
1025 tells the C program that it should insert setuid emulation code on
1026 hosts which have setuid #! scripts disabled.
1027 "d_drand48_r"
1029 From d_drand48_r.U:
1030 This variable conditionally defines the HAS_DRAND48_R symbol, which
1032 indicates to the C program that the drand48_r() routine is
1033 available.
1034 "d_drand48proto"
1036 From d_drand48proto.U:
1037 This variable conditionally defines the HAS_DRAND48_PROTO symbol,
1039 which indicates to the C program that the system provides a
1040 prototype for the drand48() function. Otherwise, it is up to the
1041 program to supply one.
1042 "d_dup2"
1044 From d_dup2.U:
1045 This variable conditionally defines HAS_DUP2 if dup2() is available
1047 to duplicate file descriptors.
1048 "d_eaccess"
1050 From d_eaccess.U:
1051 This variable conditionally defines the "HAS_EACCESS" symbol, which
1053 indicates to the C program that the eaccess() routine is available.
1054 "d_endgrent"
1056 From d_endgrent.U:
1057 This variable conditionally defines the "HAS_ENDGRENT" symbol,
1059 which indicates to the C program that the endgrent() routine is
1060 available for sequential access of the group database.
1061 "d_endgrent_r"
1063 From d_endgrent_r.U:
1064 This variable conditionally defines the "HAS_ENDGRENT_R" symbol,
1066 which indicates to the C program that the endgrent_r() routine is
1067 available.
1068 "d_endhent"
1070 From d_endhent.U:
1071 This variable conditionally defines "HAS_ENDHOSTENT" if
1073 endhostent() is available to close whatever was being used for host
1074 queries.
1075 "d_endhostent_r"
1077 From d_endhostent_r.U:
1078 This variable conditionally defines the "HAS_ENDHOSTENT_R" symbol,
1080 which indicates to the C program that the endhostent_r() routine is
1081 available.
1082 "d_endnent"
1084 From d_endnent.U:
1085 This variable conditionally defines "HAS_ENDNETENT" if endnetent()
1087 is available to close whatever was being used for network queries.
1088 "d_endnetent_r"
1090 From d_endnetent_r.U:
1091 This variable conditionally defines the "HAS_ENDNETENT_R" symbol,
1093 which indicates to the C program that the endnetent_r() routine is
1094 available.
1095 "d_endpent"
1097 From d_endpent.U:
1098 This variable conditionally defines "HAS_ENDPROTOENT" if
1100 endprotoent() is available to close whatever was being used for
1101 protocol queries.
1102 "d_endprotoent_r"
1104 From d_endprotoent_r.U:
1105 This variable conditionally defines the "HAS_ENDPROTOENT_R" symbol,
1107 which indicates to the C program that the endprotoent_r() routine
1108 is available.
1109 "d_endpwent"
1111 From d_endpwent.U:
1112 This variable conditionally defines the "HAS_ENDPWENT" symbol,
1114 which indicates to the C program that the endpwent() routine is
1115 available for sequential access of the passwd database.
1116 "d_endpwent_r"
1118 From d_endpwent_r.U:
1119 This variable conditionally defines the "HAS_ENDPWENT_R" symbol,
1121 which indicates to the C program that the endpwent_r() routine is
1122 available.
1123 "d_endsent"
1125 From d_endsent.U:
1126 This variable conditionally defines "HAS_ENDSERVENT" if
1128 endservent() is available to close whatever was being used for
1129 service queries.
1130 "d_endservent_r"
1132 From d_endservent_r.U:
1133 This variable conditionally defines the "HAS_ENDSERVENT_R" symbol,
1135 which indicates to the C program that the endservent_r() routine is
1136 available.
1137 "d_eofnblk"
1139 From nblock_io.U:
1140 This variable conditionally defines "EOF_NONBLOCK" if "EOF" can be
1142 seen when reading from a non-blocking I/O source.
1143 "d_eunice"
1145 From Guess.U:
1146 This variable conditionally defines the symbols "EUNICE" and "VAX",
1148 which alerts the C program that it must deal with ideosyncracies of
1149 "VMS".
1150 "d_faststdio"
1152 From d_faststdio.U:
1153 This variable conditionally defines the "HAS_FAST_STDIO" symbol,
1155 which indicates to the C program that the "fast stdio" is available
1156 to manipulate the stdio buffers directly.
1157 "d_fchdir"
1159 From d_fchdir.U:
1160 This variable conditionally defines the "HAS_FCHDIR" symbol, which
1162 indicates to the C program that the fchdir() routine is available.
1163 "d_fchmod"
1165 From d_fchmod.U:
1166 This variable conditionally defines the "HAS_FCHMOD" symbol, which
1168 indicates to the C program that the fchmod() routine is available
1169 to change mode of opened files.
1170 "d_fchown"
1172 From d_fchown.U:
1173 This variable conditionally defines the "HAS_FCHOWN" symbol, which
1175 indicates to the C program that the fchown() routine is available
1176 to change ownership of opened files.
1177 "d_fcntl"
1179 From d_fcntl.U:
1180 This variable conditionally defines the "HAS_FCNTL" symbol, and
1182 indicates whether the fcntl() function exists
1183 "d_fcntl_can_lock"
1185 From d_fcntl_can_lock.U:
1186 This variable conditionally defines the "FCNTL_CAN_LOCK" symbol and
1188 indicates whether file locking with fcntl() works.
1189 "d_fd_macros"
1191 From d_fd_set.U:
1192 This variable contains the eventual value of the "HAS_FD_MACROS"
1194 symbol, which indicates if your C compiler knows about the macros
1195 which manipulate an fd_set.
1196 "d_fd_set"
1198 From d_fd_set.U:
1199 This variable contains the eventual value of the "HAS_FD_SET"
1201 symbol, which indicates if your C compiler knows about the fd_set
1202 typedef.
1203 "d_fds_bits"
1205 From d_fd_set.U:
1206 This variable contains the eventual value of the "HAS_FDS_BITS"
1208 symbol, which indicates if your fd_set typedef contains the
1209 fds_bits member. If you have an fd_set typedef, but the dweebs who
1210 installed it did a half-fast job and neglected to provide the
1211 macros to manipulate an fd_set, "HAS_FDS_BITS" will let us know how
1212 to fix the gaffe.
1213 "d_fgetpos"
1215 From d_fgetpos.U:
1216 This variable conditionally defines "HAS_FGETPOS" if fgetpos() is
1218 available to get the file position indicator.
1219 "d_finite"
1221 From d_finite.U:
1222 This variable conditionally defines the "HAS_FINITE" symbol, which
1224 indicates to the C program that the finite() routine is available.
1225 "d_finitel"
1227 From d_finitel.U:
1228 This variable conditionally defines the "HAS_FINITEL" symbol, which
1230 indicates to the C program that the finitel() routine is available.
1231 "d_flexfnam"
1233 From d_flexfnam.U:
1234 This variable conditionally defines the "FLEXFILENAMES" symbol,
1236 which indicates that the system supports filenames longer than 14
1237 characters.
1238 "d_flock"
1240 From d_flock.U:
1241 This variable conditionally defines "HAS_FLOCK" if flock() is
1243 available to do file locking.
1244 "d_flockproto"
1246 From d_flockproto.U:
1247 This variable conditionally defines the "HAS_FLOCK_PROTO" symbol,
1249 which indicates to the C program that the system provides a
1250 prototype for the flock() function. Otherwise, it is up to the
1251 program to supply one.
1252 "d_fork"
1254 From d_fork.U:
1255 This variable conditionally defines the "HAS_FORK" symbol, which
1257 indicates to the C program that the fork() routine is available.
1258 "d_fp_class"
1260 From d_fp_class.U:
1261 This variable conditionally defines the "HAS_FP_CLASS" symbol,
1263 which indicates to the C program that the fp_class() routine is
1264 available.
1265 "d_fpathconf"
1267 From d_pathconf.U:
1268 This variable conditionally defines the "HAS_FPATHCONF" symbol,
1270 which indicates to the C program that the pathconf() routine is
1271 available to determine file-system related limits and options
1272 associated with a given open file descriptor.
1273 "d_fpclass"
1275 From d_fpclass.U:
1276 This variable conditionally defines the "HAS_FPCLASS" symbol, which
1278 indicates to the C program that the fpclass() routine is available.
1279 "d_fpclassify"
1281 From d_fpclassify.U:
1282 This variable conditionally defines the "HAS_FPCLASSIFY" symbol,
1284 which indicates to the C program that the fpclassify() routine is
1285 available.
1286 "d_fpclassl"
1288 From d_fpclassl.U:
1289 This variable conditionally defines the "HAS_FPCLASSL" symbol,
1291 which indicates to the C program that the fpclassl() routine is
1292 available.
1293 "d_fpos64_t"
1295 From d_fpos64_t.U:
1296 This symbol will be defined if the C compiler supports fpos64_t.
1298 "d_frexpl"
1300 From d_frexpl.U:
1301 This variable conditionally defines the "HAS_FREXPL" symbol, which
1303 indicates to the C program that the frexpl() routine is available.
1304 "d_fs_data_s"
1306 From d_fs_data_s.U:
1307 This variable conditionally defines the "HAS_STRUCT_FS_DATA"
1309 symbol, which indicates that the struct fs_data is supported.
1310 "d_fseeko"
1312 From d_fseeko.U:
1313 This variable conditionally defines the "HAS_FSEEKO" symbol, which
1315 indicates to the C program that the fseeko() routine is available.
1316 "d_fsetpos"
1318 From d_fsetpos.U:
1319 This variable conditionally defines "HAS_FSETPOS" if fsetpos() is
1321 available to set the file position indicator.
1322 "d_fstatfs"
1324 From d_fstatfs.U:
1325 This variable conditionally defines the "HAS_FSTATFS" symbol, which
1327 indicates to the C program that the fstatfs() routine is available.
1328 "d_fstatvfs"
1330 From d_statvfs.U:
1331 This variable conditionally defines the "HAS_FSTATVFS" symbol,
1333 which indicates to the C program that the fstatvfs() routine is
1334 available.
1335 "d_fsync"
1337 From d_fsync.U:
1338 This variable conditionally defines the "HAS_FSYNC" symbol, which
1340 indicates to the C program that the fsync() routine is available.
1341 "d_ftello"
1343 From d_ftello.U:
1344 This variable conditionally defines the "HAS_FTELLO" symbol, which
1346 indicates to the C program that the ftello() routine is available.
1347 "d_ftime"
1349 From d_ftime.U:
1350 This variable conditionally defines the "HAS_FTIME" symbol, which
1352 indicates that the ftime() routine exists. The ftime() routine is
1353 basically a sub-second accuracy clock.
1354 "d_futimes"
1356 From d_futimes.U:
1357 This variable conditionally defines the "HAS_FUTIMES" symbol, which
1359 indicates to the C program that the futimes() routine is available.
1360 "d_Gconvert"
1362 From d_gconvert.U:
1363 This variable holds what Gconvert is defined as to convert floating
1365 point numbers into strings. By default, Configure sets "this"
1366 macro to use the first of gconvert, gcvt, or sprintf that pass
1367 sprintf-%g-like behaviour tests. If perl is using long doubles,
1368 the macro uses the first of the following functions that pass
1369 Configure's tests: qgcvt, sprintf (if Configure knows how to make
1370 sprintf format long doubles--see sPRIgldbl), gconvert, gcvt, and
1371 sprintf (casting to double). The gconvert_preference and
1372 gconvert_ld_preference variables can be used to alter Configure's
1373 preferences, for doubles and long doubles, respectively. If
1374 present, they contain a space-separated list of one or more of the
1375 above function names in the order they should be tried.
1376 d_Gconvert may be set to override Configure with a platform-
1378 specific function. If this function expects a double, a different
1379 value may need to be set by the uselongdouble.cbu call-back unit so
1380 that long doubles can be formatted without loss of precision.
1381 "d_gdbm_ndbm_h_uses_prototypes"
1383 From i_ndbm.U:
1384 This variable conditionally defines the "NDBM_H_USES_PROTOTYPES"
1386 symbol, which indicates that the gdbm-ndbm.h include file uses real
1387 "ANSI" C prototypes instead of K&R style function declarations. K&R
1388 style declarations are unsupported in C++, so the include file
1389 requires special handling when using a C++ compiler and this
1390 variable is undefined. Consult the different
1391 d_*ndbm_h_uses_prototypes variables to get the same information for
1392 alternative ndbm.h include files.
1393 "d_gdbmndbm_h_uses_prototypes"
1395 From i_ndbm.U:
1396 This variable conditionally defines the "NDBM_H_USES_PROTOTYPES"
1398 symbol, which indicates that the gdbm/ndbm.h include file uses real
1399 "ANSI" C prototypes instead of K&R style function declarations. K&R
1400 style declarations are unsupported in C++, so the include file
1401 requires special handling when using a C++ compiler and this
1402 variable is undefined. Consult the different
1403 d_*ndbm_h_uses_prototypes variables to get the same information for
1404 alternative ndbm.h include files.
1405 "d_getaddrinfo"
1407 From d_getaddrinfo.U:
1408 This variable conditionally defines the "HAS_GETADDRINFO" symbol,
1410 which indicates to the C program that the getaddrinfo() function is
1411 available.
1412 "d_getcwd"
1414 From d_getcwd.U:
1415 This variable conditionally defines the "HAS_GETCWD" symbol, which
1417 indicates to the C program that the getcwd() routine is available
1418 to get the current working directory.
1419 "d_getespwnam"
1421 From d_getespwnam.U:
1422 This variable conditionally defines "HAS_GETESPWNAM" if
1424 getespwnam() is available to retrieve enchanced (shadow) password
1425 entries by name.
1426 "d_getfsstat"
1428 From d_getfsstat.U:
1429 This variable conditionally defines the "HAS_GETFSSTAT" symbol,
1431 which indicates to the C program that the getfsstat() routine is
1432 available.
1433 "d_getgrent"
1435 From d_getgrent.U:
1436 This variable conditionally defines the "HAS_GETGRENT" symbol,
1438 which indicates to the C program that the getgrent() routine is
1439 available for sequential access of the group database.
1440 "d_getgrent_r"
1442 From d_getgrent_r.U:
1443 This variable conditionally defines the "HAS_GETGRENT_R" symbol,
1445 which indicates to the C program that the getgrent_r() routine is
1446 available.
1447 "d_getgrgid_r"
1449 From d_getgrgid_r.U:
1450 This variable conditionally defines the "HAS_GETGRGID_R" symbol,
1452 which indicates to the C program that the getgrgid_r() routine is
1453 available.
1454 "d_getgrnam_r"
1456 From d_getgrnam_r.U:
1457 This variable conditionally defines the "HAS_GETGRNAM_R" symbol,
1459 which indicates to the C program that the getgrnam_r() routine is
1460 available.
1461 "d_getgrps"
1463 From d_getgrps.U:
1464 This variable conditionally defines the "HAS_GETGROUPS" symbol,
1466 which indicates to the C program that the getgroups() routine is
1467 available to get the list of process groups.
1468 "d_gethbyaddr"
1470 From d_gethbyad.U:
1471 This variable conditionally defines the "HAS_GETHOSTBYADDR" symbol,
1473 which indicates to the C program that the gethostbyaddr() routine
1474 is available to look up hosts by their "IP" addresses.
1475 "d_gethbyname"
1477 From d_gethbynm.U:
1478 This variable conditionally defines the "HAS_GETHOSTBYNAME" symbol,
1480 which indicates to the C program that the gethostbyname() routine
1481 is available to look up host names in some data base or other.
1482 "d_gethent"
1484 From d_gethent.U:
1485 This variable conditionally defines "HAS_GETHOSTENT" if
1487 gethostent() is available to look up host names in some data base
1488 or another.
1489 "d_gethname"
1491 From d_gethname.U:
1492 This variable conditionally defines the "HAS_GETHOSTNAME" symbol,
1494 which indicates to the C program that the gethostname() routine may
1495 be used to derive the host name.
1496 "d_gethostbyaddr_r"
1498 From d_gethostbyaddr_r.U:
1499 This variable conditionally defines the "HAS_GETHOSTBYADDR_R"
1501 symbol, which indicates to the C program that the gethostbyaddr_r()
1502 routine is available.
1503 "d_gethostbyname_r"
1505 From d_gethostbyname_r.U:
1506 This variable conditionally defines the "HAS_GETHOSTBYNAME_R"
1508 symbol, which indicates to the C program that the gethostbyname_r()
1509 routine is available.
1510 "d_gethostent_r"
1512 From d_gethostent_r.U:
1513 This variable conditionally defines the "HAS_GETHOSTENT_R" symbol,
1515 which indicates to the C program that the gethostent_r() routine is
1516 available.
1517 "d_gethostprotos"
1519 From d_gethostprotos.U:
1520 This variable conditionally defines the "HAS_GETHOST_PROTOS"
1522 symbol, which indicates to the C program that <netdb.h> supplies
1523 prototypes for the various gethost*() functions. See also
1524 netdbtype.U for probing for various netdb types.
1525 "d_getitimer"
1527 From d_getitimer.U:
1528 This variable conditionally defines the "HAS_GETITIMER" symbol,
1530 which indicates to the C program that the getitimer() routine is
1531 available.
1532 "d_getlogin"
1534 From d_getlogin.U:
1535 This variable conditionally defines the "HAS_GETLOGIN" symbol,
1537 which indicates to the C program that the getlogin() routine is
1538 available to get the login name.
1539 "d_getlogin_r"
1541 From d_getlogin_r.U:
1542 This variable conditionally defines the "HAS_GETLOGIN_R" symbol,
1544 which indicates to the C program that the getlogin_r() routine is
1545 available.
1546 "d_getmnt"
1548 From d_getmnt.U:
1549 This variable conditionally defines the "HAS_GETMNT" symbol, which
1551 indicates to the C program that the getmnt() routine is available
1552 to retrieve one or more mount info blocks by filename.
1553 "d_getmntent"
1555 From d_getmntent.U:
1556 This variable conditionally defines the "HAS_GETMNTENT" symbol,
1558 which indicates to the C program that the getmntent() routine is
1559 available to iterate through mounted files to get their mount info.
1560 "d_getnameinfo"
1562 From d_getnameinfo.U:
1563 This variable conditionally defines the "HAS_GETNAMEINFO" symbol,
1565 which indicates to the C program that the getnameinfo() function is
1566 available.
1567 "d_getnbyaddr"
1569 From d_getnbyad.U:
1570 This variable conditionally defines the "HAS_GETNETBYADDR" symbol,
1572 which indicates to the C program that the getnetbyaddr() routine is
1573 available to look up networks by their "IP" addresses.
1574 "d_getnbyname"
1576 From d_getnbynm.U:
1577 This variable conditionally defines the "HAS_GETNETBYNAME" symbol,
1579 which indicates to the C program that the getnetbyname() routine is
1580 available to look up networks by their names.
1581 "d_getnent"
1583 From d_getnent.U:
1584 This variable conditionally defines "HAS_GETNETENT" if getnetent()
1586 is available to look up network names in some data base or another.
1587 "d_getnetbyaddr_r"
1589 From d_getnetbyaddr_r.U:
1590 This variable conditionally defines the "HAS_GETNETBYADDR_R"
1592 symbol, which indicates to the C program that the getnetbyaddr_r()
1593 routine is available.
1594 "d_getnetbyname_r"
1596 From d_getnetbyname_r.U:
1597 This variable conditionally defines the "HAS_GETNETBYNAME_R"
1599 symbol, which indicates to the C program that the getnetbyname_r()
1600 routine is available.
1601 "d_getnetent_r"
1603 From d_getnetent_r.U:
1604 This variable conditionally defines the "HAS_GETNETENT_R" symbol,
1606 which indicates to the C program that the getnetent_r() routine is
1607 available.
1608 "d_getnetprotos"
1610 From d_getnetprotos.U:
1611 This variable conditionally defines the "HAS_GETNET_PROTOS" symbol,
1613 which indicates to the C program that <netdb.h> supplies prototypes
1614 for the various getnet*() functions. See also netdbtype.U for
1615 probing for various netdb types.
1616 "d_getpagsz"
1618 From d_getpagsz.U:
1619 This variable conditionally defines "HAS_GETPAGESIZE" if
1621 getpagesize() is available to get the system page size.
1622 "d_getpbyname"
1624 From d_getprotby.U:
1625 This variable conditionally defines the "HAS_GETPROTOBYNAME"
1627 symbol, which indicates to the C program that the getprotobyname()
1628 routine is available to look up protocols by their name.
1629 "d_getpbynumber"
1631 From d_getprotby.U:
1632 This variable conditionally defines the "HAS_GETPROTOBYNUMBER"
1634 symbol, which indicates to the C program that the
1635 getprotobynumber() routine is available to look up protocols by
1636 their number.
1637 "d_getpent"
1639 From d_getpent.U:
1640 This variable conditionally defines "HAS_GETPROTOENT" if
1642 getprotoent() is available to look up protocols in some data base
1643 or another.
1644 "d_getpgid"
1646 From d_getpgid.U:
1647 This variable conditionally defines the "HAS_GETPGID" symbol, which
1649 indicates to the C program that the getpgid(pid) function is
1650 available to get the process group id.
1651 "d_getpgrp"
1653 From d_getpgrp.U:
1654 This variable conditionally defines "HAS_GETPGRP" if getpgrp() is
1656 available to get the current process group.
1657 "d_getpgrp2"
1659 From d_getpgrp2.U:
1660 This variable conditionally defines the HAS_GETPGRP2 symbol, which
1662 indicates to the C program that the getpgrp2() (as in DG/"UX")
1663 routine is available to get the current process group.
1664 "d_getppid"
1666 From d_getppid.U:
1667 This variable conditionally defines the "HAS_GETPPID" symbol, which
1669 indicates to the C program that the getppid() routine is available
1670 to get the parent process "ID".
1671 "d_getprior"
1673 From d_getprior.U:
1674 This variable conditionally defines "HAS_GETPRIORITY" if
1676 getpriority() is available to get a process's priority.
1677 "d_getprotobyname_r"
1679 From d_getprotobyname_r.U:
1680 This variable conditionally defines the "HAS_GETPROTOBYNAME_R"
1682 symbol, which indicates to the C program that the
1683 getprotobyname_r() routine is available.
1684 "d_getprotobynumber_r"
1686 From d_getprotobynumber_r.U:
1687 This variable conditionally defines the "HAS_GETPROTOBYNUMBER_R"
1689 symbol, which indicates to the C program that the
1690 getprotobynumber_r() routine is available.
1691 "d_getprotoent_r"
1693 From d_getprotoent_r.U:
1694 This variable conditionally defines the "HAS_GETPROTOENT_R" symbol,
1696 which indicates to the C program that the getprotoent_r() routine
1697 is available.
1698 "d_getprotoprotos"
1700 From d_getprotoprotos.U:
1701 This variable conditionally defines the "HAS_GETPROTO_PROTOS"
1703 symbol, which indicates to the C program that <netdb.h> supplies
1704 prototypes for the various getproto*() functions. See also
1705 netdbtype.U for probing for various netdb types.
1706 "d_getprpwnam"
1708 From d_getprpwnam.U:
1709 This variable conditionally defines "HAS_GETPRPWNAM" if
1711 getprpwnam() is available to retrieve protected (shadow) password
1712 entries by name.
1713 "d_getpwent"
1715 From d_getpwent.U:
1716 This variable conditionally defines the "HAS_GETPWENT" symbol,
1718 which indicates to the C program that the getpwent() routine is
1719 available for sequential access of the passwd database.
1720 "d_getpwent_r"
1722 From d_getpwent_r.U:
1723 This variable conditionally defines the "HAS_GETPWENT_R" symbol,
1725 which indicates to the C program that the getpwent_r() routine is
1726 available.
1727 "d_getpwnam_r"
1729 From d_getpwnam_r.U:
1730 This variable conditionally defines the "HAS_GETPWNAM_R" symbol,
1732 which indicates to the C program that the getpwnam_r() routine is
1733 available.
1734 "d_getpwuid_r"
1736 From d_getpwuid_r.U:
1737 This variable conditionally defines the "HAS_GETPWUID_R" symbol,
1739 which indicates to the C program that the getpwuid_r() routine is
1740 available.
1741 "d_getsbyname"
1743 From d_getsrvby.U:
1744 This variable conditionally defines the "HAS_GETSERVBYNAME" symbol,
1746 which indicates to the C program that the getservbyname() routine
1747 is available to look up services by their name.
1748 "d_getsbyport"
1750 From d_getsrvby.U:
1751 This variable conditionally defines the "HAS_GETSERVBYPORT" symbol,
1753 which indicates to the C program that the getservbyport() routine
1754 is available to look up services by their port.
1755 "d_getsent"
1757 From d_getsent.U:
1758 This variable conditionally defines "HAS_GETSERVENT" if
1760 getservent() is available to look up network services in some data
1761 base or another.
1762 "d_getservbyname_r"
1764 From d_getservbyname_r.U:
1765 This variable conditionally defines the "HAS_GETSERVBYNAME_R"
1767 symbol, which indicates to the C program that the getservbyname_r()
1768 routine is available.
1769 "d_getservbyport_r"
1771 From d_getservbyport_r.U:
1772 This variable conditionally defines the "HAS_GETSERVBYPORT_R"
1774 symbol, which indicates to the C program that the getservbyport_r()
1775 routine is available.
1776 "d_getservent_r"
1778 From d_getservent_r.U:
1779 This variable conditionally defines the "HAS_GETSERVENT_R" symbol,
1781 which indicates to the C program that the getservent_r() routine is
1782 available.
1783 "d_getservprotos"
1785 From d_getservprotos.U:
1786 This variable conditionally defines the "HAS_GETSERV_PROTOS"
1788 symbol, which indicates to the C program that <netdb.h> supplies
1789 prototypes for the various getserv*() functions. See also
1790 netdbtype.U for probing for various netdb types.
1791 "d_getspnam"
1793 From d_getspnam.U:
1794 This variable conditionally defines "HAS_GETSPNAM" if getspnam() is
1796 available to retrieve SysV shadow password entries by name.
1797 "d_getspnam_r"
1799 From d_getspnam_r.U:
1800 This variable conditionally defines the "HAS_GETSPNAM_R" symbol,
1802 which indicates to the C program that the getspnam_r() routine is
1803 available.
1804 "d_gettimeod"
1806 From d_ftime.U:
1807 This variable conditionally defines the "HAS_GETTIMEOFDAY" symbol,
1809 which indicates that the gettimeofday() system call exists (to
1810 obtain a sub-second accuracy clock). You should probably include
1811 <sys/resource.h>.
1812 "d_gmtime64"
1814 From d_timefuncs64.U:
1815 This variable conditionally defines the HAS_GMTIME64 symbol, which
1817 indicates to the C program that the gmtime64 () routine is
1818 available.
1819 "d_gmtime_r"
1821 From d_gmtime_r.U:
1822 This variable conditionally defines the "HAS_GMTIME_R" symbol,
1824 which indicates to the C program that the gmtime_r() routine is
1825 available.
1826 "d_gnulibc"
1828 From d_gnulibc.U:
1829 Defined if we're dealing with the "GNU" C Library.
1831 "d_grpasswd"
1833 From i_grp.U:
1834 This variable conditionally defines "GRPASSWD", which indicates
1836 that struct group in <grp.h> contains gr_passwd.
1837 "d_hasmntopt"
1839 From d_hasmntopt.U:
1840 This variable conditionally defines the "HAS_HASMNTOPT" symbol,
1842 which indicates to the C program that the hasmntopt() routine is
1843 available to query the mount options of file systems.
1844 "d_htonl"
1846 From d_htonl.U:
1847 This variable conditionally defines "HAS_HTONL" if htonl() and its
1849 friends are available to do network order byte swapping.
1850 "d_ilogbl"
1852 From d_ilogbl.U:
1853 This variable conditionally defines the "HAS_ILOGBL" symbol, which
1855 indicates to the C program that the ilogbl() routine is available.
1856 If scalbnl is also present we can emulate frexpl.
1857 "d_inc_version_list"
1859 From inc_version_list.U:
1860 This variable conditionally defines "PERL_INC_VERSION_LIST". It is
1862 set to undef when "PERL_INC_VERSION_LIST" is empty.
1863 "d_index"
1865 From d_strchr.U:
1866 This variable conditionally defines "HAS_INDEX" if index() and
1868 rindex() are available for string searching.
1869 "d_inetaton"
1871 From d_inetaton.U:
1872 This variable conditionally defines the "HAS_INET_ATON" symbol,
1874 which indicates to the C program that the inet_aton() function is
1875 available to parse "IP" address "dotted-quad" strings.
1876 "d_inetntop"
1878 From d_inetntop.U:
1879 This variable conditionally defines the "HAS_INETNTOP" symbol,
1881 which indicates to the C program that the inet_ntop() function is
1882 available.
1883 "d_inetpton"
1885 From d_inetpton.U:
1886 This variable conditionally defines the "HAS_INETPTON" symbol,
1888 which indicates to the C program that the inet_pton() function is
1889 available.
1890 "d_int64_t"
1892 From d_int64_t.U:
1893 This symbol will be defined if the C compiler supports int64_t.
1895 "d_isascii"
1897 From d_isascii.U:
1898 This variable conditionally defines the "HAS_ISASCII" constant,
1900 which indicates to the C program that isascii() is available.
1901 "d_isfinite"
1903 From d_isfinite.U:
1904 This variable conditionally defines the "HAS_ISFINITE" symbol,
1906 which indicates to the C program that the isfinite() routine is
1907 available.
1908 "d_isinf"
1910 From d_isinf.U:
1911 This variable conditionally defines the "HAS_ISINF" symbol, which
1913 indicates to the C program that the isinf() routine is available.
1914 "d_isnan"
1916 From d_isnan.U:
1917 This variable conditionally defines the "HAS_ISNAN" symbol, which
1919 indicates to the C program that the isnan() routine is available.
1920 "d_isnanl"
1922 From d_isnanl.U:
1923 This variable conditionally defines the "HAS_ISNANL" symbol, which
1925 indicates to the C program that the isnanl() routine is available.
1926 "d_killpg"
1928 From d_killpg.U:
1929 This variable conditionally defines the "HAS_KILLPG" symbol, which
1931 indicates to the C program that the killpg() routine is available
1932 to kill process groups.
1933 "d_lchown"
1935 From d_lchown.U:
1936 This variable conditionally defines the "HAS_LCHOWN" symbol, which
1938 indicates to the C program that the lchown() routine is available
1939 to operate on a symbolic link (instead of following the link).
1940 "d_ldbl_dig"
1942 From d_ldbl_dig.U:
1943 This variable conditionally defines d_ldbl_dig if this system's
1945 header files provide "LDBL_DIG", which is the number of significant
1946 digits in a long double precision number.
1947 "d_libm_lib_version"
1949 From d_libm_lib_version.U:
1950 This variable conditionally defines the "LIBM_LIB_VERSION" symbol,
1952 which indicates to the C program that math.h defines "_LIB_VERSION"
1953 being available in libm
1954 "d_link"
1956 From d_link.U:
1957 This variable conditionally defines "HAS_LINK" if link() is
1959 available to create hard links.
1960 "d_localtime64"
1962 From d_timefuncs64.U:
1963 This variable conditionally defines the HAS_LOCALTIME64 symbol,
1965 which indicates to the C program that the localtime64 () routine is
1966 available.
1967 "d_localtime_r"
1969 From d_localtime_r.U:
1970 This variable conditionally defines the "HAS_LOCALTIME_R" symbol,
1972 which indicates to the C program that the localtime_r() routine is
1973 available.
1974 "d_localtime_r_needs_tzset"
1976 From d_localtime_r.U:
1977 This variable conditionally defines the "LOCALTIME_R_NEEDS_TZSET"
1979 symbol, which makes us call tzset before localtime_r()
1980 "d_locconv"
1982 From d_locconv.U:
1983 This variable conditionally defines "HAS_LOCALECONV" if
1985 localeconv() is available for numeric and monetary formatting
1986 conventions.
1987 "d_lockf"
1989 From d_lockf.U:
1990 This variable conditionally defines "HAS_LOCKF" if lockf() is
1992 available to do file locking.
1993 "d_longdbl"
1995 From d_longdbl.U:
1996 This variable conditionally defines "HAS_LONG_DOUBLE" if the long
1998 double type is supported.
1999 "d_longlong"
2001 From d_longlong.U:
2002 This variable conditionally defines "HAS_LONG_LONG" if the long
2004 long type is supported.
2005 "d_lseekproto"
2007 From d_lseekproto.U:
2008 This variable conditionally defines the "HAS_LSEEK_PROTO" symbol,
2010 which indicates to the C program that the system provides a
2011 prototype for the lseek() function. Otherwise, it is up to the
2012 program to supply one.
2013 "d_lstat"
2015 From d_lstat.U:
2016 This variable conditionally defines "HAS_LSTAT" if lstat() is
2018 available to do file stats on symbolic links.
2019 "d_madvise"
2021 From d_madvise.U:
2022 This variable conditionally defines "HAS_MADVISE" if madvise() is
2024 available to map a file into memory.
2025 "d_malloc_good_size"
2027 From d_malloc_size.U:
2028 This symbol, if defined, indicates that the malloc_good_size
2030 routine is available for use.
2031 "d_malloc_size"
2033 From d_malloc_size.U:
2034 This symbol, if defined, indicates that the malloc_size routine is
2036 available for use.
2037 "d_mblen"
2039 From d_mblen.U:
2040 This variable conditionally defines the "HAS_MBLEN" symbol, which
2042 indicates to the C program that the mblen() routine is available to
2043 find the number of bytes in a multibye character.
2044 "d_mbstowcs"
2046 From d_mbstowcs.U:
2047 This variable conditionally defines the "HAS_MBSTOWCS" symbol,
2049 which indicates to the C program that the mbstowcs() routine is
2050 available to convert a multibyte string into a wide character
2051 string.
2052 "d_mbtowc"
2054 From d_mbtowc.U:
2055 This variable conditionally defines the "HAS_MBTOWC" symbol, which
2057 indicates to the C program that the mbtowc() routine is available
2058 to convert multibyte to a wide character.
2059 "d_memchr"
2061 From d_memchr.U:
2062 This variable conditionally defines the "HAS_MEMCHR" symbol, which
2064 indicates to the C program that the memchr() routine is available
2065 to locate characters within a C string.
2066 "d_memcmp"
2068 From d_memcmp.U:
2069 This variable conditionally defines the "HAS_MEMCMP" symbol, which
2071 indicates to the C program that the memcmp() routine is available
2072 to compare blocks of memory.
2073 "d_memcpy"
2075 From d_memcpy.U:
2076 This variable conditionally defines the "HAS_MEMCPY" symbol, which
2078 indicates to the C program that the memcpy() routine is available
2079 to copy blocks of memory.
2080 "d_memmove"
2082 From d_memmove.U:
2083 This variable conditionally defines the "HAS_MEMMOVE" symbol, which
2085 indicates to the C program that the memmove() routine is available
2086 to copy potentatially overlapping blocks of memory.
2087 "d_memset"
2089 From d_memset.U:
2090 This variable conditionally defines the "HAS_MEMSET" symbol, which
2092 indicates to the C program that the memset() routine is available
2093 to set blocks of memory.
2094 "d_mkdir"
2096 From d_mkdir.U:
2097 This variable conditionally defines the "HAS_MKDIR" symbol, which
2099 indicates to the C program that the mkdir() routine is available to
2100 create directories..
2101 "d_mkdtemp"
2103 From d_mkdtemp.U:
2104 This variable conditionally defines the "HAS_MKDTEMP" symbol, which
2106 indicates to the C program that the mkdtemp() routine is available
2107 to exclusively create a uniquely named temporary directory.
2108 "d_mkfifo"
2110 From d_mkfifo.U:
2111 This variable conditionally defines the "HAS_MKFIFO" symbol, which
2113 indicates to the C program that the mkfifo() routine is available.
2114 "d_mkstemp"
2116 From d_mkstemp.U:
2117 This variable conditionally defines the "HAS_MKSTEMP" symbol, which
2119 indicates to the C program that the mkstemp() routine is available
2120 to exclusively create and open a uniquely named temporary file.
2121 "d_mkstemps"
2123 From d_mkstemps.U:
2124 This variable conditionally defines the "HAS_MKSTEMPS" symbol,
2126 which indicates to the C program that the mkstemps() routine is
2127 available to exclusively create and open a uniquely named (with a
2128 suffix) temporary file.
2129 "d_mktime"
2131 From d_mktime.U:
2132 This variable conditionally defines the "HAS_MKTIME" symbol, which
2134 indicates to the C program that the mktime() routine is available.
2135 "d_mktime64"
2137 From d_timefuncs64.U:
2138 This variable conditionally defines the HAS_MKTIME64 symbol, which
2140 indicates to the C program that the mktime64 () routine is
2141 available.
2142 "d_mmap"
2144 From d_mmap.U:
2145 This variable conditionally defines "HAS_MMAP" if mmap() is
2147 available to map a file into memory.
2148 "d_modfl"
2150 From d_modfl.U:
2151 This variable conditionally defines the "HAS_MODFL" symbol, which
2153 indicates to the C program that the modfl() routine is available.
2154 "d_modfl_pow32_bug"
2156 From d_modfl.U:
2157 This variable conditionally defines the HAS_MODFL_POW32_BUG symbol,
2159 which indicates that modfl() is broken for long doubles >= pow(2,
2160 32). For example from 4294967303.150000 one would get
2161 4294967302.000000 and 1.150000. The bug has been seen in certain
2162 versions of glibc, release 2.2.2 is known to be okay.
2163 "d_modflproto"
2165 From d_modfl.U:
2166 This symbol, if defined, indicates that the system provides a
2168 prototype for the modfl() function. Otherwise, it is up to the
2169 program to supply one. C99 says it should be long double
2170 modfl(long double, long double *);
2171 "d_mprotect"
2173 From d_mprotect.U:
2174 This variable conditionally defines "HAS_MPROTECT" if mprotect() is
2176 available to modify the access protection of a memory mapped file.
2177 "d_msg"
2179 From d_msg.U:
2180 This variable conditionally defines the "HAS_MSG" symbol, which
2182 indicates that the entire msg*(2) library is present.
2183 "d_msg_ctrunc"
2185 From d_socket.U:
2186 This variable conditionally defines the "HAS_MSG_CTRUNC" symbol,
2188 which indicates that the "MSG_CTRUNC" is available. #ifdef is not
2189 enough because it may be an enum, glibc has been known to do this.
2190 "d_msg_dontroute"
2192 From d_socket.U:
2193 This variable conditionally defines the "HAS_MSG_DONTROUTE" symbol,
2195 which indicates that the "MSG_DONTROUTE" is available. #ifdef is
2196 not enough because it may be an enum, glibc has been known to do
2197 this.
2198 "d_msg_oob"
2200 From d_socket.U:
2201 This variable conditionally defines the "HAS_MSG_OOB" symbol, which
2203 indicates that the "MSG_OOB" is available. #ifdef is not enough
2204 because it may be an enum, glibc has been known to do this.
2205 "d_msg_peek"
2207 From d_socket.U:
2208 This variable conditionally defines the "HAS_MSG_PEEK" symbol,
2210 which indicates that the "MSG_PEEK" is available. #ifdef is not
2211 enough because it may be an enum, glibc has been known to do this.
2212 "d_msg_proxy"
2214 From d_socket.U:
2215 This variable conditionally defines the "HAS_MSG_PROXY" symbol,
2217 which indicates that the "MSG_PROXY" is available. #ifdef is not
2218 enough because it may be an enum, glibc has been known to do this.
2219 "d_msgctl"
2221 From d_msgctl.U:
2222 This variable conditionally defines the "HAS_MSGCTL" symbol, which
2224 indicates to the C program that the msgctl() routine is available.
2225 "d_msgget"
2227 From d_msgget.U:
2228 This variable conditionally defines the "HAS_MSGGET" symbol, which
2230 indicates to the C program that the msgget() routine is available.
2231 "d_msghdr_s"
2233 From d_msghdr_s.U:
2234 This variable conditionally defines the "HAS_STRUCT_MSGHDR" symbol,
2236 which indicates that the struct msghdr is supported.
2237 "d_msgrcv"
2239 From d_msgrcv.U:
2240 This variable conditionally defines the "HAS_MSGRCV" symbol, which
2242 indicates to the C program that the msgrcv() routine is available.
2243 "d_msgsnd"
2245 From d_msgsnd.U:
2246 This variable conditionally defines the "HAS_MSGSND" symbol, which
2248 indicates to the C program that the msgsnd() routine is available.
2249 "d_msync"
2251 From d_msync.U:
2252 This variable conditionally defines "HAS_MSYNC" if msync() is
2254 available to synchronize a mapped file.
2255 "d_munmap"
2257 From d_munmap.U:
2258 This variable conditionally defines "HAS_MUNMAP" if munmap() is
2260 available to unmap a region mapped by mmap().
2261 "d_mymalloc"
2263 From mallocsrc.U:
2264 This variable conditionally defines "MYMALLOC" in case other parts
2266 of the source want to take special action if "MYMALLOC" is used.
2267 This may include different sorts of profiling or error detection.
2268 "d_ndbm"
2270 From i_ndbm.U:
2271 This variable conditionally defines the "HAS_NDBM" symbol, which
2273 indicates that both the ndbm.h include file and an appropriate ndbm
2274 library exist. Consult the different i_*ndbm variables to find out
2275 the actual include location. Sometimes, a system has the header
2276 file but not the library. This variable will only be set if the
2277 system has both.
2278 "d_ndbm_h_uses_prototypes"
2280 From i_ndbm.U:
2281 This variable conditionally defines the "NDBM_H_USES_PROTOTYPES"
2283 symbol, which indicates that the ndbm.h include file uses real
2284 "ANSI" C prototypes instead of K&R style function declarations. K&R
2285 style declarations are unsupported in C++, so the include file
2286 requires special handling when using a C++ compiler and this
2287 variable is undefined. Consult the different
2288 d_*ndbm_h_uses_prototypes variables to get the same information for
2289 alternative ndbm.h include files.
2290 "d_nice"
2292 From d_nice.U:
2293 This variable conditionally defines the "HAS_NICE" symbol, which
2295 indicates to the C program that the nice() routine is available.
2296 "d_nl_langinfo"
2298 From d_nl_langinfo.U:
2299 This variable conditionally defines the "HAS_NL_LANGINFO" symbol,
2301 which indicates to the C program that the nl_langinfo() routine is
2302 available.
2303 "d_nv_preserves_uv"
2305 From perlxv.U:
2306 This variable indicates whether a variable of type nvtype can
2308 preserve all the bits a variable of type uvtype.
2309 "d_nv_zero_is_allbits_zero"
2311 From perlxv.U:
2312 This variable indicates whether a variable of type nvtype stores
2314 0.0 in memory as all bits zero.
2315 "d_off64_t"
2317 From d_off64_t.U:
2318 This symbol will be defined if the C compiler supports off64_t.
2320 "d_old_pthread_create_joinable"
2322 From d_pthrattrj.U:
2323 This variable conditionally defines pthread_create_joinable. undef
2325 if pthread.h defines "PTHREAD_CREATE_JOINABLE".
2326 "d_oldpthreads"
2328 From usethreads.U:
2329 This variable conditionally defines the "OLD_PTHREADS_API" symbol,
2331 and indicates that Perl should be built to use the old draft
2332 "POSIX" threads "API". This is only potentially meaningful if
2333 usethreads is set.
2334 "d_oldsock"
2336 From d_socket.U:
2337 This variable conditionally defines the "OLDSOCKET" symbol, which
2339 indicates that the "BSD" socket interface is based on 4.1c and not
2340 4.2.
2341 "d_open3"
2343 From d_open3.U:
2344 This variable conditionally defines the HAS_OPEN3 manifest
2346 constant, which indicates to the C program that the 3 argument
2347 version of the open(2) function is available.
2348 "d_pathconf"
2350 From d_pathconf.U:
2351 This variable conditionally defines the "HAS_PATHCONF" symbol,
2353 which indicates to the C program that the pathconf() routine is
2354 available to determine file-system related limits and options
2355 associated with a given filename.
2356 "d_pause"
2358 From d_pause.U:
2359 This variable conditionally defines the "HAS_PAUSE" symbol, which
2361 indicates to the C program that the pause() routine is available to
2362 suspend a process until a signal is received.
2363 "d_perl_otherlibdirs"
2365 From otherlibdirs.U:
2366 This variable conditionally defines "PERL_OTHERLIBDIRS", which
2368 contains a colon-separated set of paths for the perl binary to
2369 include in @"INC". See also otherlibdirs.
2370 "d_phostname"
2372 From d_gethname.U:
2373 This variable conditionally defines the "HAS_PHOSTNAME" symbol,
2375 which contains the shell command which, when fed to popen(), may be
2376 used to derive the host name.
2377 "d_pipe"
2379 From d_pipe.U:
2380 This variable conditionally defines the "HAS_PIPE" symbol, which
2382 indicates to the C program that the pipe() routine is available to
2383 create an inter-process channel.
2384 "d_poll"
2386 From d_poll.U:
2387 This variable conditionally defines the "HAS_POLL" symbol, which
2389 indicates to the C program that the poll() routine is available to
2390 poll active file descriptors.
2391 "d_portable"
2393 From d_portable.U:
2394 This variable conditionally defines the "PORTABLE" symbol, which
2396 indicates to the C program that it should not assume that it is
2397 running on the machine it was compiled on.
2398 "d_PRId64"
2400 From quadfio.U:
2401 This variable conditionally defines the PERL_PRId64 symbol, which
2403 indiciates that stdio has a symbol to print 64-bit decimal numbers.
2404 "d_PRIeldbl"
2406 From longdblfio.U:
2407 This variable conditionally defines the PERL_PRIfldbl symbol, which
2409 indiciates that stdio has a symbol to print long doubles.
2410 "d_PRIEUldbl"
2412 From longdblfio.U:
2413 This variable conditionally defines the PERL_PRIfldbl symbol, which
2415 indiciates that stdio has a symbol to print long doubles. The "U"
2416 in the name is to separate this from d_PRIeldbl so that even case-
2417 blind systems can see the difference.
2418 "d_PRIfldbl"
2420 From longdblfio.U:
2421 This variable conditionally defines the PERL_PRIfldbl symbol, which
2423 indiciates that stdio has a symbol to print long doubles.
2424 "d_PRIFUldbl"
2426 From longdblfio.U:
2427 This variable conditionally defines the PERL_PRIfldbl symbol, which
2429 indiciates that stdio has a symbol to print long doubles. The "U"
2430 in the name is to separate this from d_PRIfldbl so that even case-
2431 blind systems can see the difference.
2432 "d_PRIgldbl"
2434 From longdblfio.U:
2435 This variable conditionally defines the PERL_PRIfldbl symbol, which
2437 indiciates that stdio has a symbol to print long doubles.
2438 "d_PRIGUldbl"
2440 From longdblfio.U:
2441 This variable conditionally defines the PERL_PRIfldbl symbol, which
2443 indiciates that stdio has a symbol to print long doubles. The "U"
2444 in the name is to separate this from d_PRIgldbl so that even case-
2445 blind systems can see the difference.
2446 "d_PRIi64"
2448 From quadfio.U:
2449 This variable conditionally defines the PERL_PRIi64 symbol, which
2451 indiciates that stdio has a symbol to print 64-bit decimal numbers.
2452 "d_printf_format_null"
2454 From d_attribut.U:
2455 This variable conditionally defines "PRINTF_FORMAT_NULL_OK", which
2457 indicates the C compiler allows printf-like formats to be null.
2458 "d_PRIo64"
2460 From quadfio.U:
2461 This variable conditionally defines the PERL_PRIo64 symbol, which
2463 indiciates that stdio has a symbol to print 64-bit octal numbers.
2464 "d_PRIu64"
2466 From quadfio.U:
2467 This variable conditionally defines the PERL_PRIu64 symbol, which
2469 indiciates that stdio has a symbol to print 64-bit unsigned decimal
2470 numbers.
2471 "d_PRIx64"
2473 From quadfio.U:
2474 This variable conditionally defines the PERL_PRIx64 symbol, which
2476 indiciates that stdio has a symbol to print 64-bit hexadecimal
2477 numbers.
2478 "d_PRIXU64"
2480 From quadfio.U:
2481 This variable conditionally defines the PERL_PRIXU64 symbol, which
2483 indiciates that stdio has a symbol to print 64-bit hExADECimAl
2484 numbers. The "U" in the name is to separate this from d_PRIx64 so
2485 that even case-blind systems can see the difference.
2486 "d_procselfexe"
2488 From d_procselfexe.U:
2489 Defined if $procselfexe is symlink to the absolute pathname of the
2491 executing program.
2492 "d_pseudofork"
2494 From d_vfork.U:
2495 This variable conditionally defines the "HAS_PSEUDOFORK" symbol,
2497 which indicates that an emulation of the fork routine is available.
2498 "d_pthread_atfork"
2500 From d_pthread_atfork.U:
2501 This variable conditionally defines the "HAS_PTHREAD_ATFORK"
2503 symbol, which indicates to the C program that the pthread_atfork()
2504 routine is available.
2505 "d_pthread_attr_setscope"
2507 From d_pthread_attr_ss.U:
2508 This variable conditionally defines "HAS_PTHREAD_ATTR_SETSCOPE" if
2510 pthread_attr_setscope() is available to set the contention scope
2511 attribute of a thread attribute object.
2512 "d_pthread_yield"
2514 From d_pthread_y.U:
2515 This variable conditionally defines the "HAS_PTHREAD_YIELD" symbol
2517 if the pthread_yield routine is available to yield the execution of
2518 the current thread.
2519 "d_pwage"
2521 From i_pwd.U:
2522 This variable conditionally defines "PWAGE", which indicates that
2524 struct passwd contains pw_age.
2525 "d_pwchange"
2527 From i_pwd.U:
2528 This variable conditionally defines "PWCHANGE", which indicates
2530 that struct passwd contains pw_change.
2531 "d_pwclass"
2533 From i_pwd.U:
2534 This variable conditionally defines "PWCLASS", which indicates that
2536 struct passwd contains pw_class.
2537 "d_pwcomment"
2539 From i_pwd.U:
2540 This variable conditionally defines "PWCOMMENT", which indicates
2542 that struct passwd contains pw_comment.
2543 "d_pwexpire"
2545 From i_pwd.U:
2546 This variable conditionally defines "PWEXPIRE", which indicates
2548 that struct passwd contains pw_expire.
2549 "d_pwgecos"
2551 From i_pwd.U:
2552 This variable conditionally defines "PWGECOS", which indicates that
2554 struct passwd contains pw_gecos.
2555 "d_pwpasswd"
2557 From i_pwd.U:
2558 This variable conditionally defines "PWPASSWD", which indicates
2560 that struct passwd contains pw_passwd.
2561 "d_pwquota"
2563 From i_pwd.U:
2564 This variable conditionally defines "PWQUOTA", which indicates that
2566 struct passwd contains pw_quota.
2567 "d_qgcvt"
2569 From d_qgcvt.U:
2570 This variable conditionally defines the "HAS_QGCVT" symbol, which
2572 indicates to the C program that the qgcvt() routine is available.
2573 "d_quad"
2575 From quadtype.U:
2576 This variable, if defined, tells that there's a 64-bit integer
2578 type, quadtype.
2579 "d_random_r"
2581 From d_random_r.U:
2582 This variable conditionally defines the "HAS_RANDOM_R" symbol,
2584 which indicates to the C program that the random_r() routine is
2585 available.
2586 "d_readdir"
2588 From d_readdir.U:
2589 This variable conditionally defines "HAS_READDIR" if readdir() is
2591 available to read directory entries.
2592 "d_readdir64_r"
2594 From d_readdir64_r.U:
2595 This variable conditionally defines the HAS_READDIR64_R symbol,
2597 which indicates to the C program that the readdir64_r() routine is
2598 available.
2599 "d_readdir_r"
2601 From d_readdir_r.U:
2602 This variable conditionally defines the "HAS_READDIR_R" symbol,
2604 which indicates to the C program that the readdir_r() routine is
2605 available.
2606 "d_readlink"
2608 From d_readlink.U:
2609 This variable conditionally defines the "HAS_READLINK" symbol,
2611 which indicates to the C program that the readlink() routine is
2612 available to read the value of a symbolic link.
2613 "d_readv"
2615 From d_readv.U:
2616 This variable conditionally defines the "HAS_READV" symbol, which
2618 indicates to the C program that the readv() routine is available.
2619 "d_recvmsg"
2621 From d_recvmsg.U:
2622 This variable conditionally defines the "HAS_RECVMSG" symbol, which
2624 indicates to the C program that the recvmsg() routine is available.
2625 "d_rename"
2627 From d_rename.U:
2628 This variable conditionally defines the "HAS_RENAME" symbol, which
2630 indicates to the C program that the rename() routine is available
2631 to rename files.
2632 "d_rewinddir"
2634 From d_readdir.U:
2635 This variable conditionally defines "HAS_REWINDDIR" if rewinddir()
2637 is available.
2638 "d_rmdir"
2640 From d_rmdir.U:
2641 This variable conditionally defines "HAS_RMDIR" if rmdir() is
2643 available to remove directories.
2644 "d_safebcpy"
2646 From d_safebcpy.U:
2647 This variable conditionally defines the "HAS_SAFE_BCOPY" symbol if
2649 the bcopy() routine can do overlapping copies. Normally, you
2650 should probably use memmove().
2651 "d_safemcpy"
2653 From d_safemcpy.U:
2654 This variable conditionally defines the "HAS_SAFE_MEMCPY" symbol if
2656 the memcpy() routine can do overlapping copies. For overlapping
2657 copies, memmove() should be used, if available.
2658 "d_sanemcmp"
2660 From d_sanemcmp.U:
2661 This variable conditionally defines the "HAS_SANE_MEMCMP" symbol if
2663 the memcpy() routine is available and can be used to compare
2664 relative magnitudes of chars with their high bits set.
2665 "d_sbrkproto"
2667 From d_sbrkproto.U:
2668 This variable conditionally defines the "HAS_SBRK_PROTO" symbol,
2670 which indicates to the C program that the system provides a
2671 prototype for the sbrk() function. Otherwise, it is up to the
2672 program to supply one.
2673 "d_scalbnl"
2675 From d_scalbnl.U:
2676 This variable conditionally defines the "HAS_SCALBNL" symbol, which
2678 indicates to the C program that the scalbnl() routine is available.
2679 If ilogbl is also present we can emulate frexpl.
2680 "d_sched_yield"
2682 From d_pthread_y.U:
2683 This variable conditionally defines the "HAS_SCHED_YIELD" symbol if
2685 the sched_yield routine is available to yield the execution of the
2686 current thread.
2687 "d_scm_rights"
2689 From d_socket.U:
2690 This variable conditionally defines the "HAS_SCM_RIGHTS" symbol,
2692 which indicates that the "SCM_RIGHTS" is available. #ifdef is not
2693 enough because it may be an enum, glibc has been known to do this.
2694 "d_SCNfldbl"
2696 From longdblfio.U:
2697 This variable conditionally defines the PERL_PRIfldbl symbol, which
2699 indiciates that stdio has a symbol to scan long doubles.
2700 "d_seekdir"
2702 From d_readdir.U:
2703 This variable conditionally defines "HAS_SEEKDIR" if seekdir() is
2705 available.
2706 "d_select"
2708 From d_select.U:
2709 This variable conditionally defines "HAS_SELECT" if select() is
2711 available to select active file descriptors. A <sys/time.h>
2712 inclusion may be necessary for the timeout field.
2713 "d_sem"
2715 From d_sem.U:
2716 This variable conditionally defines the "HAS_SEM" symbol, which
2718 indicates that the entire sem*(2) library is present.
2719 "d_semctl"
2721 From d_semctl.U:
2722 This variable conditionally defines the "HAS_SEMCTL" symbol, which
2724 indicates to the C program that the semctl() routine is available.
2725 "d_semctl_semid_ds"
2727 From d_union_semun.U:
2728 This variable conditionally defines "USE_SEMCTL_SEMID_DS", which
2730 indicates that struct semid_ds * is to be used for semctl
2731 "IPC_STAT".
2732 "d_semctl_semun"
2734 From d_union_semun.U:
2735 This variable conditionally defines "USE_SEMCTL_SEMUN", which
2737 indicates that union semun is to be used for semctl "IPC_STAT".
2738 "d_semget"
2740 From d_semget.U:
2741 This variable conditionally defines the "HAS_SEMGET" symbol, which
2743 indicates to the C program that the semget() routine is available.
2744 "d_semop"
2746 From d_semop.U:
2747 This variable conditionally defines the "HAS_SEMOP" symbol, which
2749 indicates to the C program that the semop() routine is available.
2750 "d_sendmsg"
2752 From d_sendmsg.U:
2753 This variable conditionally defines the "HAS_SENDMSG" symbol, which
2755 indicates to the C program that the sendmsg() routine is available.
2756 "d_setegid"
2758 From d_setegid.U:
2759 This variable conditionally defines the "HAS_SETEGID" symbol, which
2761 indicates to the C program that the setegid() routine is available
2762 to change the effective gid of the current program.
2763 "d_seteuid"
2765 From d_seteuid.U:
2766 This variable conditionally defines the "HAS_SETEUID" symbol, which
2768 indicates to the C program that the seteuid() routine is available
2769 to change the effective uid of the current program.
2770 "d_setgrent"
2772 From d_setgrent.U:
2773 This variable conditionally defines the "HAS_SETGRENT" symbol,
2775 which indicates to the C program that the setgrent() routine is
2776 available for initializing sequential access to the group database.
2777 "d_setgrent_r"
2779 From d_setgrent_r.U:
2780 This variable conditionally defines the "HAS_SETGRENT_R" symbol,
2782 which indicates to the C program that the setgrent_r() routine is
2783 available.
2784 "d_setgrps"
2786 From d_setgrps.U:
2787 This variable conditionally defines the "HAS_SETGROUPS" symbol,
2789 which indicates to the C program that the setgroups() routine is
2790 available to set the list of process groups.
2791 "d_sethent"
2793 From d_sethent.U:
2794 This variable conditionally defines "HAS_SETHOSTENT" if
2796 sethostent() is available.
2797 "d_sethostent_r"
2799 From d_sethostent_r.U:
2800 This variable conditionally defines the "HAS_SETHOSTENT_R" symbol,
2802 which indicates to the C program that the sethostent_r() routine is
2803 available.
2804 "d_setitimer"
2806 From d_setitimer.U:
2807 This variable conditionally defines the "HAS_SETITIMER" symbol,
2809 which indicates to the C program that the setitimer() routine is
2810 available.
2811 "d_setlinebuf"
2813 From d_setlnbuf.U:
2814 This variable conditionally defines the "HAS_SETLINEBUF" symbol,
2816 which indicates to the C program that the setlinebuf() routine is
2817 available to change stderr or stdout from block-buffered or
2818 unbuffered to a line-buffered mode.
2819 "d_setlocale"
2821 From d_setlocale.U:
2822 This variable conditionally defines "HAS_SETLOCALE" if setlocale()
2824 is available to handle locale-specific ctype implementations.
2825 "d_setlocale_r"
2827 From d_setlocale_r.U:
2828 This variable conditionally defines the "HAS_SETLOCALE_R" symbol,
2830 which indicates to the C program that the setlocale_r() routine is
2831 available.
2832 "d_setnent"
2834 From d_setnent.U:
2835 This variable conditionally defines "HAS_SETNETENT" if setnetent()
2837 is available.
2838 "d_setnetent_r"
2840 From d_setnetent_r.U:
2841 This variable conditionally defines the "HAS_SETNETENT_R" symbol,
2843 which indicates to the C program that the setnetent_r() routine is
2844 available.
2845 "d_setpent"
2847 From d_setpent.U:
2848 This variable conditionally defines "HAS_SETPROTOENT" if
2850 setprotoent() is available.
2851 "d_setpgid"
2853 From d_setpgid.U:
2854 This variable conditionally defines the "HAS_SETPGID" symbol if the
2856 setpgid(pid, gpid) function is available to set process group "ID".
2857 "d_setpgrp"
2859 From d_setpgrp.U:
2860 This variable conditionally defines "HAS_SETPGRP" if setpgrp() is
2862 available to set the current process group.
2863 "d_setpgrp2"
2865 From d_setpgrp2.U:
2866 This variable conditionally defines the HAS_SETPGRP2 symbol, which
2868 indicates to the C program that the setpgrp2() (as in DG/"UX")
2869 routine is available to set the current process group.
2870 "d_setprior"
2872 From d_setprior.U:
2873 This variable conditionally defines "HAS_SETPRIORITY" if
2875 setpriority() is available to set a process's priority.
2876 "d_setproctitle"
2878 From d_setproctitle.U:
2879 This variable conditionally defines the "HAS_SETPROCTITLE" symbol,
2881 which indicates to the C program that the setproctitle() routine is
2882 available.
2883 "d_setprotoent_r"
2885 From d_setprotoent_r.U:
2886 This variable conditionally defines the "HAS_SETPROTOENT_R" symbol,
2888 which indicates to the C program that the setprotoent_r() routine
2889 is available.
2890 "d_setpwent"
2892 From d_setpwent.U:
2893 This variable conditionally defines the "HAS_SETPWENT" symbol,
2895 which indicates to the C program that the setpwent() routine is
2896 available for initializing sequential access to the passwd
2897 database.
2898 "d_setpwent_r"
2900 From d_setpwent_r.U:
2901 This variable conditionally defines the "HAS_SETPWENT_R" symbol,
2903 which indicates to the C program that the setpwent_r() routine is
2904 available.
2905 "d_setregid"
2907 From d_setregid.U:
2908 This variable conditionally defines "HAS_SETREGID" if setregid() is
2910 available to change the real and effective gid of the current
2911 process.
2912 "d_setresgid"
2914 From d_setregid.U:
2915 This variable conditionally defines "HAS_SETRESGID" if setresgid()
2917 is available to change the real, effective and saved gid of the
2918 current process.
2919 "d_setresuid"
2921 From d_setreuid.U:
2922 This variable conditionally defines "HAS_SETREUID" if setresuid()
2924 is available to change the real, effective and saved uid of the
2925 current process.
2926 "d_setreuid"
2928 From d_setreuid.U:
2929 This variable conditionally defines "HAS_SETREUID" if setreuid() is
2931 available to change the real and effective uid of the current
2932 process.
2933 "d_setrgid"
2935 From d_setrgid.U:
2936 This variable conditionally defines the "HAS_SETRGID" symbol, which
2938 indicates to the C program that the setrgid() routine is available
2939 to change the real gid of the current program.
2940 "d_setruid"
2942 From d_setruid.U:
2943 This variable conditionally defines the "HAS_SETRUID" symbol, which
2945 indicates to the C program that the setruid() routine is available
2946 to change the real uid of the current program.
2947 "d_setsent"
2949 From d_setsent.U:
2950 This variable conditionally defines "HAS_SETSERVENT" if
2952 setservent() is available.
2953 "d_setservent_r"
2955 From d_setservent_r.U:
2956 This variable conditionally defines the "HAS_SETSERVENT_R" symbol,
2958 which indicates to the C program that the setservent_r() routine is
2959 available.
2960 "d_setsid"
2962 From d_setsid.U:
2963 This variable conditionally defines "HAS_SETSID" if setsid() is
2965 available to set the process group "ID".
2966 "d_setvbuf"
2968 From d_setvbuf.U:
2969 This variable conditionally defines the "HAS_SETVBUF" symbol, which
2971 indicates to the C program that the setvbuf() routine is available
2972 to change buffering on an open stdio stream.
2973 "d_sfio"
2975 From d_sfio.U:
2976 This variable conditionally defines the "USE_SFIO" symbol, and
2978 indicates whether sfio is available (and should be used).
2979 "d_shm"
2981 From d_shm.U:
2982 This variable conditionally defines the "HAS_SHM" symbol, which
2984 indicates that the entire shm*(2) library is present.
2985 "d_shmat"
2987 From d_shmat.U:
2988 This variable conditionally defines the "HAS_SHMAT" symbol, which
2990 indicates to the C program that the shmat() routine is available.
2991 "d_shmatprototype"
2993 From d_shmat.U:
2994 This variable conditionally defines the "HAS_SHMAT_PROTOTYPE"
2996 symbol, which indicates that sys/shm.h has a prototype for shmat.
2997 "d_shmctl"
2999 From d_shmctl.U:
3000 This variable conditionally defines the "HAS_SHMCTL" symbol, which
3002 indicates to the C program that the shmctl() routine is available.
3003 "d_shmdt"
3005 From d_shmdt.U:
3006 This variable conditionally defines the "HAS_SHMDT" symbol, which
3008 indicates to the C program that the shmdt() routine is available.
3009 "d_shmget"
3011 From d_shmget.U:
3012 This variable conditionally defines the "HAS_SHMGET" symbol, which
3014 indicates to the C program that the shmget() routine is available.
3015 "d_sigaction"
3017 From d_sigaction.U:
3018 This variable conditionally defines the "HAS_SIGACTION" symbol,
3020 which indicates that the Vr4 sigaction() routine is available.
3021 "d_signbit"
3023 From d_signbit.U:
3024 This variable conditionally defines the "HAS_SIGNBIT" symbol, which
3026 indicates to the C program that the signbit() routine is available
3027 and safe to use with perl's intern "NV" type.
3028 "d_sigprocmask"
3030 From d_sigprocmask.U:
3031 This variable conditionally defines "HAS_SIGPROCMASK" if
3033 sigprocmask() is available to examine or change the signal mask of
3034 the calling process.
3035 "d_sigsetjmp"
3037 From d_sigsetjmp.U:
3038 This variable conditionally defines the "HAS_SIGSETJMP" symbol,
3040 which indicates that the sigsetjmp() routine is available to call
3041 setjmp() and optionally save the process's signal mask.
3042 "d_sitearch"
3044 From sitearch.U:
3045 This variable conditionally defines "SITEARCH" to hold the pathname
3047 of architecture-dependent library files for $package. If $sitearch
3048 is the same as $archlib, then this is set to undef.
3049 "d_snprintf"
3051 From d_snprintf.U:
3052 This variable conditionally defines the "HAS_SNPRINTF" symbol,
3054 which indicates to the C program that the snprintf () library
3055 function is available.
3056 "d_sockatmark"
3058 From d_sockatmark.U:
3059 This variable conditionally defines the "HAS_SOCKATMARK" symbol,
3061 which indicates to the C program that the sockatmark() routine is
3062 available.
3063 "d_sockatmarkproto"
3065 From d_sockatmarkproto.U:
3066 This variable conditionally defines the "HAS_SOCKATMARK_PROTO"
3068 symbol, which indicates to the C program that the system provides a
3069 prototype for the sockatmark() function. Otherwise, it is up to
3070 the program to supply one.
3071 "d_socket"
3073 From d_socket.U:
3074 This variable conditionally defines "HAS_SOCKET", which indicates
3076 that the "BSD" socket interface is supported.
3077 "d_socklen_t"
3079 From d_socklen_t.U:
3080 This symbol will be defined if the C compiler supports socklen_t.
3082 "d_sockpair"
3084 From d_socket.U:
3085 This variable conditionally defines the "HAS_SOCKETPAIR" symbol,
3087 which indicates that the "BSD" socketpair() is supported.
3088 "d_socks5_init"
3090 From d_socks5_init.U:
3091 This variable conditionally defines the HAS_SOCKS5_INIT symbol,
3093 which indicates to the C program that the socks5_init() routine is
3094 available.
3095 "d_sprintf_returns_strlen"
3097 From d_sprintf_len.U:
3098 This variable defines whether sprintf returns the length of the
3100 string (as per the "ANSI" spec). Some C libraries retain
3101 compatibility with pre-"ANSI" C and return a pointer to the passed
3102 in buffer; for these this variable will be undef.
3103 "d_sqrtl"
3105 From d_sqrtl.U:
3106 This variable conditionally defines the "HAS_SQRTL" symbol, which
3108 indicates to the C program that the sqrtl() routine is available.
3109 "d_srand48_r"
3111 From d_srand48_r.U:
3112 This variable conditionally defines the HAS_SRAND48_R symbol, which
3114 indicates to the C program that the srand48_r() routine is
3115 available.
3116 "d_srandom_r"
3118 From d_srandom_r.U:
3119 This variable conditionally defines the "HAS_SRANDOM_R" symbol,
3121 which indicates to the C program that the srandom_r() routine is
3122 available.
3123 "d_sresgproto"
3125 From d_sresgproto.U:
3126 This variable conditionally defines the "HAS_SETRESGID_PROTO"
3128 symbol, which indicates to the C program that the system provides a
3129 prototype for the setresgid() function. Otherwise, it is up to the
3130 program to supply one.
3131 "d_sresuproto"
3133 From d_sresuproto.U:
3134 This variable conditionally defines the "HAS_SETRESUID_PROTO"
3136 symbol, which indicates to the C program that the system provides a
3137 prototype for the setresuid() function. Otherwise, it is up to the
3138 program to supply one.
3139 "d_statblks"
3141 From d_statblks.U:
3142 This variable conditionally defines "USE_STAT_BLOCKS" if this
3144 system has a stat structure declaring st_blksize and st_blocks.
3145 "d_statfs_f_flags"
3147 From d_statfs_f_flags.U:
3148 This variable conditionally defines the "HAS_STRUCT_STATFS_F_FLAGS"
3150 symbol, which indicates to struct statfs from has f_flags member.
3151 This kind of struct statfs is coming from sys/mount.h ("BSD"), not
3152 from sys/statfs.h ("SYSV").
3153 "d_statfs_s"
3155 From d_statfs_s.U:
3156 This variable conditionally defines the "HAS_STRUCT_STATFS" symbol,
3158 which indicates that the struct statfs is supported.
3159 "d_statvfs"
3161 From d_statvfs.U:
3162 This variable conditionally defines the "HAS_STATVFS" symbol, which
3164 indicates to the C program that the statvfs() routine is available.
3165 "d_stdio_cnt_lval"
3167 From d_stdstdio.U:
3168 This variable conditionally defines "STDIO_CNT_LVALUE" if the
3170 "FILE_cnt" macro can be used as an lvalue.
3171 "d_stdio_ptr_lval"
3173 From d_stdstdio.U:
3174 This variable conditionally defines "STDIO_PTR_LVALUE" if the
3176 "FILE_ptr" macro can be used as an lvalue.
3177 "d_stdio_ptr_lval_nochange_cnt"
3179 From d_stdstdio.U:
3180 This symbol is defined if using the "FILE_ptr" macro as an lvalue
3182 to increase the pointer by n leaves File_cnt(fp) unchanged.
3183 "d_stdio_ptr_lval_sets_cnt"
3185 From d_stdstdio.U:
3186 This symbol is defined if using the "FILE_ptr" macro as an lvalue
3188 to increase the pointer by n has the side effect of decreasing the
3189 value of File_cnt(fp) by n.
3190 "d_stdio_stream_array"
3192 From stdio_streams.U:
3193 This variable tells whether there is an array holding the stdio
3195 streams.
3196 "d_stdiobase"
3198 From d_stdstdio.U:
3199 This variable conditionally defines "USE_STDIO_BASE" if this system
3201 has a "FILE" structure declaring a usable _base field (or
3202 equivalent) in stdio.h.
3203 "d_stdstdio"
3205 From d_stdstdio.U:
3206 This variable conditionally defines "USE_STDIO_PTR" if this system
3208 has a "FILE" structure declaring usable _ptr and _cnt fields (or
3209 equivalent) in stdio.h.
3210 "d_strchr"
3212 From d_strchr.U:
3213 This variable conditionally defines "HAS_STRCHR" if strchr() and
3215 strrchr() are available for string searching.
3216 "d_strcoll"
3218 From d_strcoll.U:
3219 This variable conditionally defines "HAS_STRCOLL" if strcoll() is
3221 available to compare strings using collating information.
3222 "d_strctcpy"
3224 From d_strctcpy.U:
3225 This variable conditionally defines the "USE_STRUCT_COPY" symbol,
3227 which indicates to the C program that this C compiler knows how to
3228 copy structures.
3229 "d_strerrm"
3231 From d_strerror.U:
3232 This variable holds what Strerrr is defined as to translate an
3234 error code condition into an error message string. It could be
3235 "strerror" or a more "complex" macro emulating strrror with
3236 sys_errlist[], or the "unknown" string when both strerror and
3237 sys_errlist are missing.
3238 "d_strerror"
3240 From d_strerror.U:
3241 This variable conditionally defines "HAS_STRERROR" if strerror() is
3243 available to translate error numbers to strings.
3244 "d_strerror_r"
3246 From d_strerror_r.U:
3247 This variable conditionally defines the "HAS_STRERROR_R" symbol,
3249 which indicates to the C program that the strerror_r() routine is
3250 available.
3251 "d_strftime"
3253 From d_strftime.U:
3254 This variable conditionally defines the "HAS_STRFTIME" symbol,
3256 which indicates to the C program that the strftime() routine is
3257 available.
3258 "d_strlcat"
3260 From d_strlcat.U:
3261 This variable conditionally defines the "HAS_STRLCAT" symbol, which
3263 indicates to the C program that the strlcat () routine is
3264 available.
3265 "d_strlcpy"
3267 From d_strlcpy.U:
3268 This variable conditionally defines the "HAS_STRLCPY" symbol, which
3270 indicates to the C program that the strlcpy () routine is
3271 available.
3272 "d_strtod"
3274 From d_strtod.U:
3275 This variable conditionally defines the "HAS_STRTOD" symbol, which
3277 indicates to the C program that the strtod() routine is available
3278 to provide better numeric string conversion than atof().
3279 "d_strtol"
3281 From d_strtol.U:
3282 This variable conditionally defines the "HAS_STRTOL" symbol, which
3284 indicates to the C program that the strtol() routine is available
3285 to provide better numeric string conversion than atoi() and
3286 friends.
3287 "d_strtold"
3289 From d_strtold.U:
3290 This variable conditionally defines the "HAS_STRTOLD" symbol, which
3292 indicates to the C program that the strtold() routine is available.
3293 "d_strtoll"
3295 From d_strtoll.U:
3296 This variable conditionally defines the "HAS_STRTOLL" symbol, which
3298 indicates to the C program that the strtoll() routine is available.
3299 "d_strtoq"
3301 From d_strtoq.U:
3302 This variable conditionally defines the "HAS_STRTOQ" symbol, which
3304 indicates to the C program that the strtoq() routine is available.
3305 "d_strtoul"
3307 From d_strtoul.U:
3308 This variable conditionally defines the "HAS_STRTOUL" symbol, which
3310 indicates to the C program that the strtoul() routine is available
3311 to provide conversion of strings to unsigned long.
3312 "d_strtoull"
3314 From d_strtoull.U:
3315 This variable conditionally defines the "HAS_STRTOULL" symbol,
3317 which indicates to the C program that the strtoull() routine is
3318 available.
3319 "d_strtouq"
3321 From d_strtouq.U:
3322 This variable conditionally defines the "HAS_STRTOUQ" symbol, which
3324 indicates to the C program that the strtouq() routine is available.
3325 "d_strxfrm"
3327 From d_strxfrm.U:
3328 This variable conditionally defines "HAS_STRXFRM" if strxfrm() is
3330 available to transform strings.
3331 "d_suidsafe"
3333 From d_dosuid.U:
3334 This variable conditionally defines "SETUID_SCRIPTS_ARE_SECURE_NOW"
3336 if setuid scripts can be secure. This test looks in /dev/fd/.
3337 "d_symlink"
3339 From d_symlink.U:
3340 This variable conditionally defines the "HAS_SYMLINK" symbol, which
3342 indicates to the C program that the symlink() routine is available
3343 to create symbolic links.
3344 "d_syscall"
3346 From d_syscall.U:
3347 This variable conditionally defines "HAS_SYSCALL" if syscall() is
3349 available call arbitrary system calls.
3350 "d_syscallproto"
3352 From d_syscallproto.U:
3353 This variable conditionally defines the "HAS_SYSCALL_PROTO" symbol,
3355 which indicates to the C program that the system provides a
3356 prototype for the syscall() function. Otherwise, it is up to the
3357 program to supply one.
3358 "d_sysconf"
3360 From d_sysconf.U:
3361 This variable conditionally defines the "HAS_SYSCONF" symbol, which
3363 indicates to the C program that the sysconf() routine is available
3364 to determine system related limits and options.
3365 "d_sysernlst"
3367 From d_strerror.U:
3368 This variable conditionally defines "HAS_SYS_ERRNOLIST" if
3370 sys_errnolist[] is available to translate error numbers to the
3371 symbolic name.
3372 "d_syserrlst"
3374 From d_strerror.U:
3375 This variable conditionally defines "HAS_SYS_ERRLIST" if
3377 sys_errlist[] is available to translate error numbers to strings.
3378 "d_system"
3380 From d_system.U:
3381 This variable conditionally defines "HAS_SYSTEM" if system() is
3383 available to issue a shell command.
3384 "d_tcgetpgrp"
3386 From d_tcgtpgrp.U:
3387 This variable conditionally defines the "HAS_TCGETPGRP" symbol,
3389 which indicates to the C program that the tcgetpgrp() routine is
3390 available. to get foreground process group "ID".
3391 "d_tcsetpgrp"
3393 From d_tcstpgrp.U:
3394 This variable conditionally defines the "HAS_TCSETPGRP" symbol,
3396 which indicates to the C program that the tcsetpgrp() routine is
3397 available to set foreground process group "ID".
3398 "d_telldir"
3400 From d_readdir.U:
3401 This variable conditionally defines "HAS_TELLDIR" if telldir() is
3403 available.
3404 "d_telldirproto"
3406 From d_telldirproto.U:
3407 This variable conditionally defines the "HAS_TELLDIR_PROTO" symbol,
3409 which indicates to the C program that the system provides a
3410 prototype for the telldir() function. Otherwise, it is up to the
3411 program to supply one.
3412 "d_time"
3414 From d_time.U:
3415 This variable conditionally defines the "HAS_TIME" symbol, which
3417 indicates that the time() routine exists. The time() routine is
3418 normaly provided on "UNIX" systems.
3419 "d_timegm"
3421 From d_timegm.U:
3422 This variable conditionally defines the "HAS_TIMEGM" symbol, which
3424 indicates to the C program that the timegm () routine is available.
3425 "d_times"
3427 From d_times.U:
3428 This variable conditionally defines the "HAS_TIMES" symbol, which
3430 indicates that the times() routine exists. The times() routine is
3431 normaly provided on "UNIX" systems. You may have to include
3432 <sys/times.h>.
3433 "d_tm_tm_gmtoff"
3435 From i_time.U:
3436 This variable conditionally defines "HAS_TM_TM_GMTOFF", which
3438 indicates indicates to the C program that the struct tm has the
3439 tm_gmtoff field.
3440 "d_tm_tm_zone"
3442 From i_time.U:
3443 This variable conditionally defines "HAS_TM_TM_ZONE", which
3445 indicates indicates to the C program that the struct tm has the
3446 tm_zone field.
3447 "d_tmpnam_r"
3449 From d_tmpnam_r.U:
3450 This variable conditionally defines the "HAS_TMPNAM_R" symbol,
3452 which indicates to the C program that the tmpnam_r() routine is
3453 available.
3454 "d_truncate"
3456 From d_truncate.U:
3457 This variable conditionally defines "HAS_TRUNCATE" if truncate() is
3459 available to truncate files.
3460 "d_ttyname_r"
3462 From d_ttyname_r.U:
3463 This variable conditionally defines the "HAS_TTYNAME_R" symbol,
3465 which indicates to the C program that the ttyname_r() routine is
3466 available.
3467 "d_tzname"
3469 From d_tzname.U:
3470 This variable conditionally defines "HAS_TZNAME" if tzname[] is
3472 available to access timezone names.
3473 "d_u32align"
3475 From d_u32align.U:
3476 This variable tells whether you must access character data through
3478 U32-aligned pointers.
3479 "d_ualarm"
3481 From d_ualarm.U:
3482 This variable conditionally defines the "HAS_UALARM" symbol, which
3484 indicates to the C program that the ualarm() routine is available.
3485 "d_umask"
3487 From d_umask.U:
3488 This variable conditionally defines the "HAS_UMASK" symbol, which
3490 indicates to the C program that the umask() routine is available.
3491 to set and get the value of the file creation mask.
3492 "d_uname"
3494 From d_gethname.U:
3495 This variable conditionally defines the "HAS_UNAME" symbol, which
3497 indicates to the C program that the uname() routine may be used to
3498 derive the host name.
3499 "d_union_semun"
3501 From d_union_semun.U:
3502 This variable conditionally defines "HAS_UNION_SEMUN" if the union
3504 semun is defined by including <sys/sem.h>.
3505 "d_unordered"
3507 From d_unordered.U:
3508 This variable conditionally defines the "HAS_UNORDERED" symbol,
3510 which indicates to the C program that the unordered() routine is
3511 available.
3512 "d_unsetenv"
3514 From d_unsetenv.U:
3515 This variable conditionally defines the "HAS_UNSETENV" symbol,
3517 which indicates to the C program that the unsetenv () routine is
3518 available.
3519 "d_usleep"
3521 From d_usleep.U:
3522 This variable conditionally defines "HAS_USLEEP" if usleep() is
3524 available to do high granularity sleeps.
3525 "d_usleepproto"
3527 From d_usleepproto.U:
3528 This variable conditionally defines the "HAS_USLEEP_PROTO" symbol,
3530 which indicates to the C program that the system provides a
3531 prototype for the usleep() function. Otherwise, it is up to the
3532 program to supply one.
3533 "d_ustat"
3535 From d_ustat.U:
3536 This variable conditionally defines "HAS_USTAT" if ustat() is
3538 available to query file system statistics by dev_t.
3539 "d_vendorarch"
3541 From vendorarch.U:
3542 This variable conditionally defined "PERL_VENDORARCH".
3544 "d_vendorbin"
3546 From vendorbin.U:
3547 This variable conditionally defines "PERL_VENDORBIN".
3549 "d_vendorlib"
3551 From vendorlib.U:
3552 This variable conditionally defines "PERL_VENDORLIB".
3554 "d_vendorscript"
3556 From vendorscript.U:
3557 This variable conditionally defines "PERL_VENDORSCRIPT".
3559 "d_vfork"
3561 From d_vfork.U:
3562 This variable conditionally defines the "HAS_VFORK" symbol, which
3564 indicates the vfork() routine is available.
3565 "d_void_closedir"
3567 From d_closedir.U:
3568 This variable conditionally defines "VOID_CLOSEDIR" if closedir()
3570 does not return a value.
3571 "d_voidsig"
3573 From d_voidsig.U:
3574 This variable conditionally defines "VOIDSIG" if this system
3576 declares "void (*signal(...))()" in signal.h. The old way was to
3577 declare it as "int (*signal(...))()".
3578 "d_voidtty"
3580 From i_sysioctl.U:
3581 This variable conditionally defines "USE_IOCNOTTY" to indicate that
3583 the ioctl() call with "TIOCNOTTY" should be used to void tty
3584 association. Otherwise (on "USG" probably), it is enough to close
3585 the standard file decriptors and do a setpgrp().
3586 "d_volatile"
3588 From d_volatile.U:
3589 This variable conditionally defines the "HASVOLATILE" symbol, which
3591 indicates to the C program that this C compiler knows about the
3592 volatile declaration.
3593 "d_vprintf"
3595 From d_vprintf.U:
3596 This variable conditionally defines the "HAS_VPRINTF" symbol, which
3598 indicates to the C program that the vprintf() routine is available
3599 to printf with a pointer to an argument list.
3600 "d_vsnprintf"
3602 From d_snprintf.U:
3603 This variable conditionally defines the "HAS_VSNPRINTF" symbol,
3605 which indicates to the C program that the vsnprintf () library
3606 function is available.
3607 "d_wait4"
3609 From d_wait4.U:
3610 This variable conditionally defines the HAS_WAIT4 symbol, which
3612 indicates the wait4() routine is available.
3613 "d_waitpid"
3615 From d_waitpid.U:
3616 This variable conditionally defines "HAS_WAITPID" if waitpid() is
3618 available to wait for child process.
3619 "d_wcstombs"
3621 From d_wcstombs.U:
3622 This variable conditionally defines the "HAS_WCSTOMBS" symbol,
3624 which indicates to the C program that the wcstombs() routine is
3625 available to convert wide character strings to multibyte strings.
3626 "d_wctomb"
3628 From d_wctomb.U:
3629 This variable conditionally defines the "HAS_WCTOMB" symbol, which
3631 indicates to the C program that the wctomb() routine is available
3632 to convert a wide character to a multibyte.
3633 "d_writev"
3635 From d_writev.U:
3636 This variable conditionally defines the "HAS_WRITEV" symbol, which
3638 indicates to the C program that the writev() routine is available.
3639 "d_xenix"
3641 From Guess.U:
3642 This variable conditionally defines the symbol "XENIX", which
3644 alerts the C program that it runs under Xenix.
3645 "date"
3647 From Loc.U:
3648 This variable is used internally by Configure to determine the full
3650 pathname (if any) of the date program. After Configure runs, the
3651 value is reset to a plain "date" and is not useful.
3652 "db_hashtype"
3654 From i_db.U:
3655 This variable contains the type of the hash structure element in
3657 the <db.h> header file. In older versions of "DB", it was int,
3658 while in newer ones it is u_int32_t.
3659 "db_prefixtype"
3661 From i_db.U:
3662 This variable contains the type of the prefix structure element in
3664 the <db.h> header file. In older versions of "DB", it was int,
3665 while in newer ones it is size_t.
3666 "db_version_major"
3668 From i_db.U:
3669 This variable contains the major version number of Berkeley "DB"
3671 found in the <db.h> header file.
3672 "db_version_minor"
3674 From i_db.U:
3675 This variable contains the minor version number of Berkeley "DB"
3677 found in the <db.h> header file. For "DB" version 1 this is always
3678 0.
3679 "db_version_patch"
3681 From i_db.U:
3682 This variable contains the patch version number of Berkeley "DB"
3684 found in the <db.h> header file. For "DB" version 1 this is always
3685 0.
3686 "defvoidused"
3688 From voidflags.U:
3689 This variable contains the default value of the "VOIDUSED" symbol
3691 (15).
3692 "direntrytype"
3694 From i_dirent.U:
3695 This symbol is set to "struct direct" or "struct dirent" depending
3697 on whether dirent is available or not. You should use this pseudo
3698 type to portably declare your directory entries.
3699 "dlext"
3701 From dlext.U:
3702 This variable contains the extension that is to be used for the
3704 dynamically loaded modules that perl generaties.
3705 "dlsrc"
3707 From dlsrc.U:
3708 This variable contains the name of the dynamic loading file that
3710 will be used with the package.
3711 "doublesize"
3713 From doublesize.U:
3714 This variable contains the value of the "DOUBLESIZE" symbol, which
3716 indicates to the C program how many bytes there are in a double.
3717 "drand01"
3719 From randfunc.U:
3720 Indicates the macro to be used to generate normalized random
3722 numbers. Uses randfunc, often divided by (double) (((unsigned
3723 long) 1 << randbits)) in order to normalize the result. In C
3724 programs, the macro "Drand01" is mapped to drand01.
3725 "drand48_r_proto"
3727 From d_drand48_r.U:
3728 This variable encodes the prototype of drand48_r. It is zero if
3730 d_drand48_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
3731 of reentr.h if d_drand48_r is defined.
3732 "dtrace"
3734 From usedtrace.U:
3735 This variable holds the location of the dtrace executable.
3737 "dynamic_ext"
3739 From Extensions.U:
3740 This variable holds a list of "XS" extension files we want to link
3742 dynamically into the package. It is used by Makefile.
3743 e
3745 "eagain"
3746 From nblock_io.U:
3747 This variable bears the symbolic errno code set by read() when no
3749 data is present on the file and non-blocking I/O was enabled
3750 (otherwise, read() blocks naturally).
3751 "ebcdic"
3753 From ebcdic.U:
3754 This variable conditionally defines "EBCDIC" if this system uses
3756 "EBCDIC" encoding. Among other things, this means that the
3757 character ranges are not contiguous. See trnl.U
3758 "echo"
3760 From Loc.U:
3761 This variable is used internally by Configure to determine the full
3763 pathname (if any) of the echo program. After Configure runs, the
3764 value is reset to a plain "echo" and is not useful.
3765 "egrep"
3767 From Loc.U:
3768 This variable is used internally by Configure to determine the full
3770 pathname (if any) of the egrep program. After Configure runs, the
3771 value is reset to a plain "egrep" and is not useful.
3772 "emacs"
3774 From Loc.U:
3775 This variable is defined but not used by Configure. The value is
3777 the empty string and is not useful.
3778 "endgrent_r_proto"
3780 From d_endgrent_r.U:
3781 This variable encodes the prototype of endgrent_r. It is zero if
3783 d_endgrent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3784 macros of reentr.h if d_endgrent_r is defined.
3785 "endhostent_r_proto"
3787 From d_endhostent_r.U:
3788 This variable encodes the prototype of endhostent_r. It is zero if
3790 d_endhostent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3791 macros of reentr.h if d_endhostent_r is defined.
3792 "endnetent_r_proto"
3794 From d_endnetent_r.U:
3795 This variable encodes the prototype of endnetent_r. It is zero if
3797 d_endnetent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3798 macros of reentr.h if d_endnetent_r is defined.
3799 "endprotoent_r_proto"
3801 From d_endprotoent_r.U:
3802 This variable encodes the prototype of endprotoent_r. It is zero
3804 if d_endprotoent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3805 macros of reentr.h if d_endprotoent_r is defined.
3806 "endpwent_r_proto"
3808 From d_endpwent_r.U:
3809 This variable encodes the prototype of endpwent_r. It is zero if
3811 d_endpwent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3812 macros of reentr.h if d_endpwent_r is defined.
3813 "endservent_r_proto"
3815 From d_endservent_r.U:
3816 This variable encodes the prototype of endservent_r. It is zero if
3818 d_endservent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3819 macros of reentr.h if d_endservent_r is defined.
3820 "eunicefix"
3822 From Init.U:
3823 When running under Eunice this variable contains a command which
3825 will convert a shell script to the proper form of text file for it
3826 to be executable by the shell. On other systems it is a no-op.
3827 "exe_ext"
3829 From Unix.U:
3830 This is an old synonym for _exe.
3832 "expr"
3834 From Loc.U:
3835 This variable is used internally by Configure to determine the full
3837 pathname (if any) of the expr program. After Configure runs, the
3838 value is reset to a plain "expr" and is not useful.
3839 "extensions"
3841 From Extensions.U:
3842 This variable holds a list of all extension files (both "XS" and
3844 non-xs linked into the package. It is propagated to Config.pm and
3845 is typically used to test whether a particular extesion is
3846 available.
3847 "extern_C"
3849 From Csym.U:
3850 "ANSI" C requires "extern" where C++ requires 'extern "C"'. This
3852 variable can be used in Configure to do the right thing.
3853 "extras"
3855 From Extras.U:
3856 This variable holds a list of extra modules to install.
3858 f
3860 "fflushall"
3861 From fflushall.U:
3862 This symbol, if defined, tells that to flush all pending stdio
3864 output one must loop through all the stdio file handles stored in
3865 an array and fflush them. Note that if fflushNULL is defined,
3866 fflushall will not even be probed for and will be left undefined.
3867 "fflushNULL"
3869 From fflushall.U:
3870 This symbol, if defined, tells that fflush("NULL") does flush all
3872 pending stdio output.
3873 "find"
3875 From Loc.U:
3876 This variable is defined but not used by Configure. The value is
3878 the empty string and is not useful.
3879 "firstmakefile"
3881 From Unix.U:
3882 This variable defines the first file searched by make. On unix, it
3884 is makefile (then Makefile). On case-insensitive systems, it might
3885 be something else. This is only used to deal with convoluted make
3886 depend tricks.
3887 "flex"
3889 From Loc.U:
3890 This variable is defined but not used by Configure. The value is
3892 the empty string and is not useful.
3893 "fpossize"
3895 From fpossize.U:
3896 This variable contains the size of a fpostype in bytes.
3898 "fpostype"
3900 From fpostype.U:
3901 This variable defines Fpos_t to be something like fpos_t, long,
3903 uint, or whatever type is used to declare file positions in libc.
3904 "freetype"
3906 From mallocsrc.U:
3907 This variable contains the return type of free(). It is usually
3909 void, but occasionally int.
3910 "from"
3912 From Cross.U:
3913 This variable contains the command used by Configure to copy files
3915 from the target host. Useful and available only during Perl build.
3916 The string ":" if not cross-compiling.
3917 "full_ar"
3919 From Loc_ar.U:
3920 This variable contains the full pathname to "ar", whether or not
3922 the user has specified "portability". This is only used in the
3923 Makefile.SH.
3924 "full_csh"
3926 From d_csh.U:
3927 This variable contains the full pathname to "csh", whether or not
3929 the user has specified "portability". This is only used in the
3930 compiled C program, and we assume that all systems which can share
3931 this executable will have the same full pathname to csh.
3932 "full_sed"
3934 From Loc_sed.U:
3935 This variable contains the full pathname to "sed", whether or not
3937 the user has specified "portability". This is only used in the
3938 compiled C program, and we assume that all systems which can share
3939 this executable will have the same full pathname to sed.
3940 g
3942 "gccansipedantic"
3943 From gccvers.U:
3944 If "GNU" cc (gcc) is used, this variable will enable (if set) the
3946 -ansi and -pedantic ccflags for building core files (through cflags
3947 script). (See Porting/pumpkin.pod for full description).
3948 "gccosandvers"
3950 From gccvers.U:
3951 If "GNU" cc (gcc) is used, this variable holds the operating system
3953 and version used to compile gcc. It is set to '' if not gcc, or if
3954 nothing useful can be parsed as the os version.
3955 "gccversion"
3957 From gccvers.U:
3958 If "GNU" cc (gcc) is used, this variable holds 1 or 2 to indicate
3960 whether the compiler is version 1 or 2. This is used in setting
3961 some of the default cflags. It is set to '' if not gcc.
3962 "getgrent_r_proto"
3964 From d_getgrent_r.U:
3965 This variable encodes the prototype of getgrent_r. It is zero if
3967 d_getgrent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3968 macros of reentr.h if d_getgrent_r is defined.
3969 "getgrgid_r_proto"
3971 From d_getgrgid_r.U:
3972 This variable encodes the prototype of getgrgid_r. It is zero if
3974 d_getgrgid_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3975 macros of reentr.h if d_getgrgid_r is defined.
3976 "getgrnam_r_proto"
3978 From d_getgrnam_r.U:
3979 This variable encodes the prototype of getgrnam_r. It is zero if
3981 d_getgrnam_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
3982 macros of reentr.h if d_getgrnam_r is defined.
3983 "gethostbyaddr_r_proto"
3985 From d_gethostbyaddr_r.U:
3986 This variable encodes the prototype of gethostbyaddr_r. It is zero
3988 if d_gethostbyaddr_r is undef, and one of the
3989 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_gethostbyaddr_r is
3990 defined.
3991 "gethostbyname_r_proto"
3993 From d_gethostbyname_r.U:
3994 This variable encodes the prototype of gethostbyname_r. It is zero
3996 if d_gethostbyname_r is undef, and one of the
3997 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_gethostbyname_r is
3998 defined.
3999 "gethostent_r_proto"
4001 From d_gethostent_r.U:
4002 This variable encodes the prototype of gethostent_r. It is zero if
4004 d_gethostent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4005 macros of reentr.h if d_gethostent_r is defined.
4006 "getlogin_r_proto"
4008 From d_getlogin_r.U:
4009 This variable encodes the prototype of getlogin_r. It is zero if
4011 d_getlogin_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4012 macros of reentr.h if d_getlogin_r is defined.
4013 "getnetbyaddr_r_proto"
4015 From d_getnetbyaddr_r.U:
4016 This variable encodes the prototype of getnetbyaddr_r. It is zero
4018 if d_getnetbyaddr_r is undef, and one of the
4019 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_getnetbyaddr_r is
4020 defined.
4021 "getnetbyname_r_proto"
4023 From d_getnetbyname_r.U:
4024 This variable encodes the prototype of getnetbyname_r. It is zero
4026 if d_getnetbyname_r is undef, and one of the
4027 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_getnetbyname_r is
4028 defined.
4029 "getnetent_r_proto"
4031 From d_getnetent_r.U:
4032 This variable encodes the prototype of getnetent_r. It is zero if
4034 d_getnetent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4035 macros of reentr.h if d_getnetent_r is defined.
4036 "getprotobyname_r_proto"
4038 From d_getprotobyname_r.U:
4039 This variable encodes the prototype of getprotobyname_r. It is
4041 zero if d_getprotobyname_r is undef, and one of the
4042 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_getprotobyname_r is
4043 defined.
4044 "getprotobynumber_r_proto"
4046 From d_getprotobynumber_r.U:
4047 This variable encodes the prototype of getprotobynumber_r. It is
4049 zero if d_getprotobynumber_r is undef, and one of the
4050 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_getprotobynumber_r
4051 is defined.
4052 "getprotoent_r_proto"
4054 From d_getprotoent_r.U:
4055 This variable encodes the prototype of getprotoent_r. It is zero
4057 if d_getprotoent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4058 macros of reentr.h if d_getprotoent_r is defined.
4059 "getpwent_r_proto"
4061 From d_getpwent_r.U:
4062 This variable encodes the prototype of getpwent_r. It is zero if
4064 d_getpwent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4065 macros of reentr.h if d_getpwent_r is defined.
4066 "getpwnam_r_proto"
4068 From d_getpwnam_r.U:
4069 This variable encodes the prototype of getpwnam_r. It is zero if
4071 d_getpwnam_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4072 macros of reentr.h if d_getpwnam_r is defined.
4073 "getpwuid_r_proto"
4075 From d_getpwuid_r.U:
4076 This variable encodes the prototype of getpwuid_r. It is zero if
4078 d_getpwuid_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4079 macros of reentr.h if d_getpwuid_r is defined.
4080 "getservbyname_r_proto"
4082 From d_getservbyname_r.U:
4083 This variable encodes the prototype of getservbyname_r. It is zero
4085 if d_getservbyname_r is undef, and one of the
4086 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_getservbyname_r is
4087 defined.
4088 "getservbyport_r_proto"
4090 From d_getservbyport_r.U:
4091 This variable encodes the prototype of getservbyport_r. It is zero
4093 if d_getservbyport_r is undef, and one of the
4094 "REENTRANT_PROTO_T_ABC" macros of reentr.h if d_getservbyport_r is
4095 defined.
4096 "getservent_r_proto"
4098 From d_getservent_r.U:
4099 This variable encodes the prototype of getservent_r. It is zero if
4101 d_getservent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4102 macros of reentr.h if d_getservent_r is defined.
4103 "getspnam_r_proto"
4105 From d_getspnam_r.U:
4106 This variable encodes the prototype of getspnam_r. It is zero if
4108 d_getspnam_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
4109 macros of reentr.h if d_getspnam_r is defined.
4110 "gidformat"
4112 From gidf.U:
4113 This variable contains the format string used for printing a Gid_t.
4115 "gidsign"
4117 From gidsign.U:
4118 This variable contains the signedness of a gidtype. 1 for
4120 unsigned, -1 for signed.
4121 "gidsize"
4123 From gidsize.U:
4124 This variable contains the size of a gidtype in bytes.
4126 "gidtype"
4128 From gidtype.U:
4129 This variable defines Gid_t to be something like gid_t, int,
4131 ushort, or whatever type is used to declare the return type of
4132 getgid(). Typically, it is the type of group ids in the kernel.
4133 "glibpth"
4135 From libpth.U:
4136 This variable holds the general path (space-separated) used to find
4138 libraries. It may contain directories that do not exist on this
4139 platform, libpth is the cleaned-up version.
4140 "gmake"
4142 From Loc.U:
4143 This variable is used internally by Configure to determine the full
4145 pathname (if any) of the gmake program. After Configure runs, the
4146 value is reset to a plain "gmake" and is not useful.
4147 "gmtime_r_proto"
4149 From d_gmtime_r.U:
4150 This variable encodes the prototype of gmtime_r. It is zero if
4152 d_gmtime_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
4153 of reentr.h if d_gmtime_r is defined.
4154 "gnulibc_version"
4156 From d_gnulibc.U:
4157 This variable contains the version number of the "GNU" C library.
4159 It is usually something like 2.2.5. It is a plain '' if this is
4160 not the "GNU" C library, or if the version is unknown.
4161 "grep"
4163 From Loc.U:
4164 This variable is used internally by Configure to determine the full
4166 pathname (if any) of the grep program. After Configure runs, the
4167 value is reset to a plain "grep" and is not useful.
4168 "groupcat"
4170 From nis.U:
4171 This variable contains a command that produces the text of the
4173 /etc/group file. This is normally "cat /etc/group", but can be
4174 "ypcat group" when "NIS" is used. On some systems, such as os390,
4175 there may be no equivalent command, in which case this variable is
4176 unset.
4177 "groupstype"
4179 From groupstype.U:
4180 This variable defines Groups_t to be something like gid_t, int,
4182 ushort, or whatever type is used for the second argument to
4183 getgroups() and setgroups(). Usually, this is the same as gidtype
4184 (gid_t), but sometimes it isn't.
4185 "gzip"
4187 From Loc.U:
4188 This variable is used internally by Configure to determine the full
4190 pathname (if any) of the gzip program. After Configure runs, the
4191 value is reset to a plain "gzip" and is not useful.
4192 h
4194 "h_fcntl"
4195 From h_fcntl.U:
4196 This is variable gets set in various places to tell i_fcntl that
4198 <fcntl.h> should be included.
4199 "h_sysfile"
4201 From h_sysfile.U:
4202 This is variable gets set in various places to tell i_sys_file that
4204 <sys/file.h> should be included.
4205 "hint"
4207 From Oldconfig.U:
4208 Gives the type of hints used for previous answers. May be one of
4210 "default", "recommended" or "previous".
4211 "hostcat"
4213 From nis.U:
4214 This variable contains a command that produces the text of the
4216 /etc/hosts file. This is normally "cat /etc/hosts", but can be
4217 "ypcat hosts" when "NIS" is used. On some systems, such as os390,
4218 there may be no equivalent command, in which case this variable is
4219 unset.
4220 "html1dir"
4222 From html1dir.U:
4223 This variable contains the name of the directory in which html
4225 source pages are to be put. This directory is for pages that
4226 describe whole programs, not libraries or modules. It is intended
4227 to correspond roughly to section 1 of the Unix manuals.
4228 "html1direxp"
4230 From html1dir.U:
4231 This variable is the same as the html1dir variable, but is filename
4233 expanded at configuration time, for convenient use in makefiles.
4234 "html3dir"
4236 From html3dir.U:
4237 This variable contains the name of the directory in which html
4239 source pages are to be put. This directory is for pages that
4240 describe libraries or modules. It is intended to correspond
4241 roughly to section 3 of the Unix manuals.
4242 "html3direxp"
4244 From html3dir.U:
4245 This variable is the same as the html3dir variable, but is filename
4247 expanded at configuration time, for convenient use in makefiles.
4248 i
4250 "i16size"
4251 From perlxv.U:
4252 This variable is the size of an I16 in bytes.
4254 "i16type"
4256 From perlxv.U:
4257 This variable contains the C type used for Perl's I16.
4259 "i32size"
4261 From perlxv.U:
4262 This variable is the size of an I32 in bytes.
4264 "i32type"
4266 From perlxv.U:
4267 This variable contains the C type used for Perl's I32.
4269 "i64size"
4271 From perlxv.U:
4272 This variable is the size of an I64 in bytes.
4274 "i64type"
4276 From perlxv.U:
4277 This variable contains the C type used for Perl's I64.
4279 "i8size"
4281 From perlxv.U:
4282 This variable is the size of an I8 in bytes.
4284 "i8type"
4286 From perlxv.U:
4287 This variable contains the C type used for Perl's I8.
4289 "i_arpainet"
4291 From i_arpainet.U:
4292 This variable conditionally defines the "I_ARPA_INET" symbol, and
4294 indicates whether a C program should include <arpa/inet.h>.
4295 "i_assert"
4297 From i_assert.U:
4298 This variable conditionally defines the "I_ASSERT" symbol, which
4300 indicates to the C program that <assert.h> exists and could be
4301 included.
4302 "i_bsdioctl"
4304 From i_sysioctl.U:
4305 This variable conditionally defines the "I_SYS_BSDIOCTL" symbol,
4307 which indicates to the C program that <sys/bsdioctl.h> exists and
4308 should be included.
4309 "i_crypt"
4311 From i_crypt.U:
4312 This variable conditionally defines the "I_CRYPT" symbol, and
4314 indicates whether a C program should include <crypt.h>.
4315 "i_db"
4317 From i_db.U:
4318 This variable conditionally defines the "I_DB" symbol, and
4320 indicates whether a C program may include Berkeley's "DB" include
4321 file <db.h>.
4322 "i_dbm"
4324 From i_dbm.U:
4325 This variable conditionally defines the "I_DBM" symbol, which
4327 indicates to the C program that <dbm.h> exists and should be
4328 included.
4329 "i_dirent"
4331 From i_dirent.U:
4332 This variable conditionally defines "I_DIRENT", which indicates to
4334 the C program that it should include <dirent.h>.
4335 "i_dld"
4337 From i_dld.U:
4338 This variable conditionally defines the "I_DLD" symbol, which
4340 indicates to the C program that <dld.h> ("GNU" dynamic loading)
4341 exists and should be included.
4342 "i_dlfcn"
4344 From i_dlfcn.U:
4345 This variable conditionally defines the "I_DLFCN" symbol, which
4347 indicates to the C program that <dlfcn.h> exists and should be
4348 included.
4349 "i_fcntl"
4351 From i_fcntl.U:
4352 This variable controls the value of "I_FCNTL" (which tells the C
4354 program to include <fcntl.h>).
4355 "i_float"
4357 From i_float.U:
4358 This variable conditionally defines the "I_FLOAT" symbol, and
4360 indicates whether a C program may include <float.h> to get symbols
4361 like "DBL_MAX" or "DBL_MIN", i.e. machine dependent floating point
4362 values.
4363 "i_fp"
4365 From i_fp.U:
4366 This variable conditionally defines the "I_FP" symbol, and
4368 indicates whether a C program should include <fp.h>.
4369 "i_fp_class"
4371 From i_fp_class.U:
4372 This variable conditionally defines the "I_FP_CLASS" symbol, and
4374 indicates whether a C program should include <fp_class.h>.
4375 "i_gdbm"
4377 From i_gdbm.U:
4378 This variable conditionally defines the "I_GDBM" symbol, which
4380 indicates to the C program that <gdbm.h> exists and should be
4381 included.
4382 "i_gdbm_ndbm"
4384 From i_ndbm.U:
4385 This variable conditionally defines the "I_GDBM_NDBM" symbol, which
4387 indicates to the C program that <gdbm-ndbm.h> exists and should be
4388 included. This is the location of the ndbm.h compatibility file in
4389 Debian 4.0.
4390 "i_gdbmndbm"
4392 From i_ndbm.U:
4393 This variable conditionally defines the "I_GDBMNDBM" symbol, which
4395 indicates to the C program that <gdbm/ndbm.h> exists and should be
4396 included. This was the location of the ndbm.h compatibility file
4397 in RedHat 7.1.
4398 "i_grp"
4400 From i_grp.U:
4401 This variable conditionally defines the "I_GRP" symbol, and
4403 indicates whether a C program should include <grp.h>.
4404 "i_ieeefp"
4406 From i_ieeefp.U:
4407 This variable conditionally defines the "I_IEEEFP" symbol, and
4409 indicates whether a C program should include <ieeefp.h>.
4410 "i_inttypes"
4412 From i_inttypes.U:
4413 This variable conditionally defines the "I_INTTYPES" symbol, and
4415 indicates whether a C program should include <inttypes.h>.
4416 "i_langinfo"
4418 From i_langinfo.U:
4419 This variable conditionally defines the "I_LANGINFO" symbol, and
4421 indicates whether a C program should include <langinfo.h>.
4422 "i_libutil"
4424 From i_libutil.U:
4425 This variable conditionally defines the "I_LIBUTIL" symbol, and
4427 indicates whether a C program should include <libutil.h>.
4428 "i_limits"
4430 From i_limits.U:
4431 This variable conditionally defines the "I_LIMITS" symbol, and
4433 indicates whether a C program may include <limits.h> to get symbols
4434 like "WORD_BIT" and friends.
4435 "i_locale"
4437 From i_locale.U:
4438 This variable conditionally defines the "I_LOCALE" symbol, and
4440 indicates whether a C program should include <locale.h>.
4441 "i_machcthr"
4443 From i_machcthr.U:
4444 This variable conditionally defines the "I_MACH_CTHREADS" symbol,
4446 and indicates whether a C program should include <mach/cthreads.h>.
4447 "i_malloc"
4449 From i_malloc.U:
4450 This variable conditionally defines the "I_MALLOC" symbol, and
4452 indicates whether a C program should include <malloc.h>.
4453 "i_mallocmalloc"
4455 From i_mallocmalloc.U:
4456 This variable conditionally defines the "I_MALLOCMALLOC" symbol,
4458 and indicates whether a C program should include <malloc/malloc.h>.
4459 "i_math"
4461 From i_math.U:
4462 This variable conditionally defines the "I_MATH" symbol, and
4464 indicates whether a C program may include <math.h>.
4465 "i_memory"
4467 From i_memory.U:
4468 This variable conditionally defines the "I_MEMORY" symbol, and
4470 indicates whether a C program should include <memory.h>.
4471 "i_mntent"
4473 From i_mntent.U:
4474 This variable conditionally defines the "I_MNTENT" symbol, and
4476 indicates whether a C program should include <mntent.h>.
4477 "i_ndbm"
4479 From i_ndbm.U:
4480 This variable conditionally defines the "I_NDBM" symbol, which
4482 indicates to the C program that <ndbm.h> exists and should be
4483 included.
4484 "i_netdb"
4486 From i_netdb.U:
4487 This variable conditionally defines the "I_NETDB" symbol, and
4489 indicates whether a C program should include <netdb.h>.
4490 "i_neterrno"
4492 From i_neterrno.U:
4493 This variable conditionally defines the "I_NET_ERRNO" symbol, which
4495 indicates to the C program that <net/errno.h> exists and should be
4496 included.
4497 "i_netinettcp"
4499 From i_netinettcp.U:
4500 This variable conditionally defines the "I_NETINET_TCP" symbol, and
4502 indicates whether a C program should include <netinet/tcp.h>.
4503 "i_niin"
4505 From i_niin.U:
4506 This variable conditionally defines "I_NETINET_IN", which indicates
4508 to the C program that it should include <netinet/in.h>. Otherwise,
4509 you may try <sys/in.h>.
4510 "i_poll"
4512 From i_poll.U:
4513 This variable conditionally defines the "I_POLL" symbol, and
4515 indicates whether a C program should include <poll.h>.
4516 "i_prot"
4518 From i_prot.U:
4519 This variable conditionally defines the "I_PROT" symbol, and
4521 indicates whether a C program should include <prot.h>.
4522 "i_pthread"
4524 From i_pthread.U:
4525 This variable conditionally defines the "I_PTHREAD" symbol, and
4527 indicates whether a C program should include <pthread.h>.
4528 "i_pwd"
4530 From i_pwd.U:
4531 This variable conditionally defines "I_PWD", which indicates to the
4533 C program that it should include <pwd.h>.
4534 "i_rpcsvcdbm"
4536 From i_dbm.U:
4537 This variable conditionally defines the "I_RPCSVC_DBM" symbol,
4539 which indicates to the C program that <rpcsvc/dbm.h> exists and
4540 should be included. Some System V systems might need this instead
4541 of <dbm.h>.
4542 "i_sfio"
4544 From i_sfio.U:
4545 This variable conditionally defines the "I_SFIO" symbol, and
4547 indicates whether a C program should include <sfio.h>.
4548 "i_sgtty"
4550 From i_termio.U:
4551 This variable conditionally defines the "I_SGTTY" symbol, which
4553 indicates to the C program that it should include <sgtty.h> rather
4554 than <termio.h>.
4555 "i_shadow"
4557 From i_shadow.U:
4558 This variable conditionally defines the "I_SHADOW" symbol, and
4560 indicates whether a C program should include <shadow.h>.
4561 "i_socks"
4563 From i_socks.U:
4564 This variable conditionally defines the "I_SOCKS" symbol, and
4566 indicates whether a C program should include <socks.h>.
4567 "i_stdarg"
4569 From i_varhdr.U:
4570 This variable conditionally defines the "I_STDARG" symbol, which
4572 indicates to the C program that <stdarg.h> exists and should be
4573 included.
4574 "i_stddef"
4576 From i_stddef.U:
4577 This variable conditionally defines the "I_STDDEF" symbol, which
4579 indicates to the C program that <stddef.h> exists and should be
4580 included.
4581 "i_stdlib"
4583 From i_stdlib.U:
4584 This variable conditionally defines the "I_STDLIB" symbol, which
4586 indicates to the C program that <stdlib.h> exists and should be
4587 included.
4588 "i_string"
4590 From i_string.U:
4591 This variable conditionally defines the "I_STRING" symbol, which
4593 indicates that <string.h> should be included rather than
4594 <strings.h>.
4595 "i_sunmath"
4597 From i_sunmath.U:
4598 This variable conditionally defines the "I_SUNMATH" symbol, and
4600 indicates whether a C program should include <sunmath.h>.
4601 "i_sysaccess"
4603 From i_sysaccess.U:
4604 This variable conditionally defines the "I_SYS_ACCESS" symbol, and
4606 indicates whether a C program should include <sys/access.h>.
4607 "i_sysdir"
4609 From i_sysdir.U:
4610 This variable conditionally defines the "I_SYS_DIR" symbol, and
4612 indicates whether a C program should include <sys/dir.h>.
4613 "i_sysfile"
4615 From i_sysfile.U:
4616 This variable conditionally defines the "I_SYS_FILE" symbol, and
4618 indicates whether a C program should include <sys/file.h> to get
4619 "R_OK" and friends.
4620 "i_sysfilio"
4622 From i_sysioctl.U:
4623 This variable conditionally defines the "I_SYS_FILIO" symbol, which
4625 indicates to the C program that <sys/filio.h> exists and should be
4626 included in preference to <sys/ioctl.h>.
4627 "i_sysin"
4629 From i_niin.U:
4630 This variable conditionally defines "I_SYS_IN", which indicates to
4632 the C program that it should include <sys/in.h> instead of
4633 <netinet/in.h>.
4634 "i_sysioctl"
4636 From i_sysioctl.U:
4637 This variable conditionally defines the "I_SYS_IOCTL" symbol, which
4639 indicates to the C program that <sys/ioctl.h> exists and should be
4640 included.
4641 "i_syslog"
4643 From i_syslog.U:
4644 This variable conditionally defines the "I_SYSLOG" symbol, and
4646 indicates whether a C program should include <syslog.h>.
4647 "i_sysmman"
4649 From i_sysmman.U:
4650 This variable conditionally defines the "I_SYS_MMAN" symbol, and
4652 indicates whether a C program should include <sys/mman.h>.
4653 "i_sysmode"
4655 From i_sysmode.U:
4656 This variable conditionally defines the "I_SYSMODE" symbol, and
4658 indicates whether a C program should include <sys/mode.h>.
4659 "i_sysmount"
4661 From i_sysmount.U:
4662 This variable conditionally defines the "I_SYSMOUNT" symbol, and
4664 indicates whether a C program should include <sys/mount.h>.
4665 "i_sysndir"
4667 From i_sysndir.U:
4668 This variable conditionally defines the "I_SYS_NDIR" symbol, and
4670 indicates whether a C program should include <sys/ndir.h>.
4671 "i_sysparam"
4673 From i_sysparam.U:
4674 This variable conditionally defines the "I_SYS_PARAM" symbol, and
4676 indicates whether a C program should include <sys/param.h>.
4677 "i_syspoll"
4679 From i_syspoll.U:
4680 This variable conditionally defines the "I_SYS_POLL" symbol, which
4682 indicates to the C program that it should include <sys/poll.h>.
4683 "i_sysresrc"
4685 From i_sysresrc.U:
4686 This variable conditionally defines the "I_SYS_RESOURCE" symbol,
4688 and indicates whether a C program should include <sys/resource.h>.
4689 "i_syssecrt"
4691 From i_syssecrt.U:
4692 This variable conditionally defines the "I_SYS_SECURITY" symbol,
4694 and indicates whether a C program should include <sys/security.h>.
4695 "i_sysselct"
4697 From i_sysselct.U:
4698 This variable conditionally defines "I_SYS_SELECT", which indicates
4700 to the C program that it should include <sys/select.h> in order to
4701 get the definition of struct timeval.
4702 "i_syssockio"
4704 From i_sysioctl.U:
4705 This variable conditionally defines "I_SYS_SOCKIO" to indicate to
4707 the C program that socket ioctl codes may be found in
4708 <sys/sockio.h> instead of <sys/ioctl.h>.
4709 "i_sysstat"
4711 From i_sysstat.U:
4712 This variable conditionally defines the "I_SYS_STAT" symbol, and
4714 indicates whether a C program should include <sys/stat.h>.
4715 "i_sysstatfs"
4717 From i_sysstatfs.U:
4718 This variable conditionally defines the "I_SYSSTATFS" symbol, and
4720 indicates whether a C program should include <sys/statfs.h>.
4721 "i_sysstatvfs"
4723 From i_sysstatvfs.U:
4724 This variable conditionally defines the "I_SYSSTATVFS" symbol, and
4726 indicates whether a C program should include <sys/statvfs.h>.
4727 "i_systime"
4729 From i_time.U:
4730 This variable conditionally defines "I_SYS_TIME", which indicates
4732 to the C program that it should include <sys/time.h>.
4733 "i_systimek"
4735 From i_time.U:
4736 This variable conditionally defines "I_SYS_TIME_KERNEL", which
4738 indicates to the C program that it should include <sys/time.h> with
4739 "KERNEL" defined.
4740 "i_systimes"
4742 From i_systimes.U:
4743 This variable conditionally defines the "I_SYS_TIMES" symbol, and
4745 indicates whether a C program should include <sys/times.h>.
4746 "i_systypes"
4748 From i_systypes.U:
4749 This variable conditionally defines the "I_SYS_TYPES" symbol, and
4751 indicates whether a C program should include <sys/types.h>.
4752 "i_sysuio"
4754 From i_sysuio.U:
4755 This variable conditionally defines the "I_SYSUIO" symbol, and
4757 indicates whether a C program should include <sys/uio.h>.
4758 "i_sysun"
4760 From i_sysun.U:
4761 This variable conditionally defines "I_SYS_UN", which indicates to
4763 the C program that it should include <sys/un.h> to get "UNIX"
4764 domain socket definitions.
4765 "i_sysutsname"
4767 From i_sysutsname.U:
4768 This variable conditionally defines the "I_SYSUTSNAME" symbol, and
4770 indicates whether a C program should include <sys/utsname.h>.
4771 "i_sysvfs"
4773 From i_sysvfs.U:
4774 This variable conditionally defines the "I_SYSVFS" symbol, and
4776 indicates whether a C program should include <sys/vfs.h>.
4777 "i_syswait"
4779 From i_syswait.U:
4780 This variable conditionally defines "I_SYS_WAIT", which indicates
4782 to the C program that it should include <sys/wait.h>.
4783 "i_termio"
4785 From i_termio.U:
4786 This variable conditionally defines the "I_TERMIO" symbol, which
4788 indicates to the C program that it should include <termio.h> rather
4789 than <sgtty.h>.
4790 "i_termios"
4792 From i_termio.U:
4793 This variable conditionally defines the "I_TERMIOS" symbol, which
4795 indicates to the C program that the "POSIX" <termios.h> file is to
4796 be included.
4797 "i_time"
4799 From i_time.U:
4800 This variable conditionally defines "I_TIME", which indicates to
4802 the C program that it should include <time.h>.
4803 "i_unistd"
4805 From i_unistd.U:
4806 This variable conditionally defines the "I_UNISTD" symbol, and
4808 indicates whether a C program should include <unistd.h>.
4809 "i_ustat"
4811 From i_ustat.U:
4812 This variable conditionally defines the "I_USTAT" symbol, and
4814 indicates whether a C program should include <ustat.h>.
4815 "i_utime"
4817 From i_utime.U:
4818 This variable conditionally defines the "I_UTIME" symbol, and
4820 indicates whether a C program should include <utime.h>.
4821 "i_values"
4823 From i_values.U:
4824 This variable conditionally defines the "I_VALUES" symbol, and
4826 indicates whether a C program may include <values.h> to get symbols
4827 like "MAXLONG" and friends.
4828 "i_varargs"
4830 From i_varhdr.U:
4831 This variable conditionally defines "I_VARARGS", which indicates to
4833 the C program that it should include <varargs.h>.
4834 "i_varhdr"
4836 From i_varhdr.U:
4837 Contains the name of the header to be included to get va_dcl
4839 definition. Typically one of varargs.h or stdarg.h.
4840 "i_vfork"
4842 From i_vfork.U:
4843 This variable conditionally defines the "I_VFORK" symbol, and
4845 indicates whether a C program should include vfork.h.
4846 "ignore_versioned_solibs"
4848 From libs.U:
4849 This variable should be non-empty if non-versioned shared libraries
4851 (libfoo.so.x.y) are to be ignored (because they cannot be linked
4852 against).
4853 "inc_version_list"
4855 From inc_version_list.U:
4856 This variable specifies the list of subdirectories in over which
4858 perl.c:incpush() and lib/lib.pm will automatically search when
4859 adding directories to @"INC". The elements in the list are
4860 separated by spaces. This is only useful if you have a perl
4861 library directory tree structured like the default one. See
4862 "INSTALL" for how this works. The versioned site_perl directory
4863 was introduced in 5.005, so that is the lowest possible value.
4864 This list includes architecture-dependent directories back to
4866 version $api_versionstring (e.g. 5.5.640) and architecture-
4867 independent directories all the way back to 5.005.
4868 "inc_version_list_init"
4870 From inc_version_list.U:
4871 This variable holds the same list as inc_version_list, but each
4873 item is enclosed in double quotes and separated by commas, suitable
4874 for use in the "PERL_INC_VERSION_LIST" initialization.
4875 "incpath"
4877 From usrinc.U:
4878 This variable must preceed the normal include path to get hte right
4880 one, as in $incpath/usr/include or $incpath/usr/lib. Value can be
4881 "" or /bsd43 on mips.
4882 "inews"
4884 From Loc.U:
4885 This variable is defined but not used by Configure. The value is
4887 the empty string and is not useful.
4888 "initialinstalllocation"
4890 From bin.U:
4891 When userelocatableinc is true, this variable holds the location
4893 that make install should copy the perl binary to, with all the run-
4894 time relocatable paths calculated from this at install time. When
4895 used, it is initialised to the original value of binexp, and then
4896 binexp is set to .../, as the other binaries are found relative to
4897 the perl binary.
4898 "installarchlib"
4900 From archlib.U:
4901 This variable is really the same as archlibexp but may differ on
4903 those systems using "AFS". For extra portability, only this
4904 variable should be used in makefiles.
4905 "installbin"
4907 From bin.U:
4908 This variable is the same as binexp unless "AFS" is running in
4910 which case the user is explicitely prompted for it. This variable
4911 should always be used in your makefiles for maximum portability.
4912 "installhtml1dir"
4914 From html1dir.U:
4915 This variable is really the same as html1direxp, unless you are
4917 using a different installprefix. For extra portability, you should
4918 only use this variable within your makefiles.
4919 "installhtml3dir"
4921 From html3dir.U:
4922 This variable is really the same as html3direxp, unless you are
4924 using a different installprefix. For extra portability, you should
4925 only use this variable within your makefiles.
4926 "installman1dir"
4928 From man1dir.U:
4929 This variable is really the same as man1direxp, unless you are
4931 using "AFS" in which case it points to the read/write location
4932 whereas man1direxp only points to the read-only access location.
4933 For extra portability, you should only use this variable within
4934 your makefiles.
4935 "installman3dir"
4937 From man3dir.U:
4938 This variable is really the same as man3direxp, unless you are
4940 using "AFS" in which case it points to the read/write location
4941 whereas man3direxp only points to the read-only access location.
4942 For extra portability, you should only use this variable within
4943 your makefiles.
4944 "installprefix"
4946 From installprefix.U:
4947 This variable holds the name of the directory below which "make
4949 install" will install the package. For most users, this is the
4950 same as prefix. However, it is useful for installing the software
4951 into a different (usually temporary) location after which it can be
4952 bundled up and moved somehow to the final location specified by
4953 prefix.
4954 "installprefixexp"
4956 From installprefix.U:
4957 This variable holds the full absolute path of installprefix with
4959 all ~-expansion done.
4960 "installprivlib"
4962 From privlib.U:
4963 This variable is really the same as privlibexp but may differ on
4965 those systems using "AFS". For extra portability, only this
4966 variable should be used in makefiles.
4967 "installscript"
4969 From scriptdir.U:
4970 This variable is usually the same as scriptdirexp, unless you are
4972 on a system running "AFS", in which case they may differ slightly.
4973 You should always use this variable within your makefiles for
4974 portability.
4975 "installsitearch"
4977 From sitearch.U:
4978 This variable is really the same as sitearchexp but may differ on
4980 those systems using "AFS". For extra portability, only this
4981 variable should be used in makefiles.
4982 "installsitebin"
4984 From sitebin.U:
4985 This variable is usually the same as sitebinexp, unless you are on
4987 a system running "AFS", in which case they may differ slightly. You
4988 should always use this variable within your makefiles for
4989 portability.
4990 "installsitehtml1dir"
4992 From sitehtml1dir.U:
4993 This variable is really the same as sitehtml1direxp, unless you are
4995 using "AFS" in which case it points to the read/write location
4996 whereas html1direxp only points to the read-only access location.
4997 For extra portability, you should only use this variable within
4998 your makefiles.
4999 "installsitehtml3dir"
5001 From sitehtml3dir.U:
5002 This variable is really the same as sitehtml3direxp, unless you are
5004 using "AFS" in which case it points to the read/write location
5005 whereas html3direxp only points to the read-only access location.
5006 For extra portability, you should only use this variable within
5007 your makefiles.
5008 "installsitelib"
5010 From sitelib.U:
5011 This variable is really the same as sitelibexp but may differ on
5013 those systems using "AFS". For extra portability, only this
5014 variable should be used in makefiles.
5015 "installsiteman1dir"
5017 From siteman1dir.U:
5018 This variable is really the same as siteman1direxp, unless you are
5020 using "AFS" in which case it points to the read/write location
5021 whereas man1direxp only points to the read-only access location.
5022 For extra portability, you should only use this variable within
5023 your makefiles.
5024 "installsiteman3dir"
5026 From siteman3dir.U:
5027 This variable is really the same as siteman3direxp, unless you are
5029 using "AFS" in which case it points to the read/write location
5030 whereas man3direxp only points to the read-only access location.
5031 For extra portability, you should only use this variable within
5032 your makefiles.
5033 "installsitescript"
5035 From sitescript.U:
5036 This variable is usually the same as sitescriptexp, unless you are
5038 on a system running "AFS", in which case they may differ slightly.
5039 You should always use this variable within your makefiles for
5040 portability.
5041 "installstyle"
5043 From installstyle.U:
5044 This variable describes the "style" of the perl installation. This
5046 is intended to be useful for tools that need to manipulate entire
5047 perl distributions. Perl itself doesn't use this to find its
5048 libraries -- the library directories are stored directly in
5049 Config.pm. Currently, there are only two styles: "lib" and
5050 lib/perl5. The default library locations (e.g. privlib, sitelib)
5051 are either $prefix/lib or $prefix/lib/perl5. The former is useful
5052 if $prefix is a directory dedicated to perl (e.g. /opt/perl), while
5053 the latter is useful if $prefix is shared by many packages, e.g. if
5054 $prefix=/usr/local.
5055 Unfortunately, while this "style" variable is used to set defaults
5057 for all three directory hierarchies (core, vendor, and site), there
5058 is no guarantee that the same style is actually appropriate for all
5059 those directories. For example, $prefix might be /opt/perl, but
5060 $siteprefix might be /usr/local. (Perhaps, in retrospect, the
5061 "lib" style should never have been supported, but it did seem like
5062 a nice idea at the time.)
5063 The situation is even less clear for tools such as MakeMaker that
5065 can be used to install additional modules into non-standard places.
5066 For example, if a user intends to install a module into a private
5067 directory (perhaps by setting "PREFIX" on the Makefile.PL command
5068 line), then there is no reason to assume that the Configure-time
5069 $installstyle setting will be relevant for that "PREFIX".
5070 This may later be extended to include other information, so be
5072 careful with pattern-matching on the results.
5073 For compatibility with perl5.005 and earlier, the default setting
5075 is based on whether or not $prefix contains the string "perl".
5076 "installusrbinperl"
5078 From instubperl.U:
5079 This variable tells whether Perl should be installed also as
5081 /usr/bin/perl in addition to $installbin/perl
5082 "installvendorarch"
5084 From vendorarch.U:
5085 This variable is really the same as vendorarchexp but may differ on
5087 those systems using "AFS". For extra portability, only this
5088 variable should be used in makefiles.
5089 "installvendorbin"
5091 From vendorbin.U:
5092 This variable is really the same as vendorbinexp but may differ on
5094 those systems using "AFS". For extra portability, only this
5095 variable should be used in makefiles.
5096 "installvendorhtml1dir"
5098 From vendorhtml1dir.U:
5099 This variable is really the same as vendorhtml1direxp but may
5101 differ on those systems using "AFS". For extra portability, only
5102 this variable should be used in makefiles.
5103 "installvendorhtml3dir"
5105 From vendorhtml3dir.U:
5106 This variable is really the same as vendorhtml3direxp but may
5108 differ on those systems using "AFS". For extra portability, only
5109 this variable should be used in makefiles.
5110 "installvendorlib"
5112 From vendorlib.U:
5113 This variable is really the same as vendorlibexp but may differ on
5115 those systems using "AFS". For extra portability, only this
5116 variable should be used in makefiles.
5117 "installvendorman1dir"
5119 From vendorman1dir.U:
5120 This variable is really the same as vendorman1direxp but may differ
5122 on those systems using "AFS". For extra portability, only this
5123 variable should be used in makefiles.
5124 "installvendorman3dir"
5126 From vendorman3dir.U:
5127 This variable is really the same as vendorman3direxp but may differ
5129 on those systems using "AFS". For extra portability, only this
5130 variable should be used in makefiles.
5131 "installvendorscript"
5133 From vendorscript.U:
5134 This variable is really the same as vendorscriptexp but may differ
5136 on those systems using "AFS". For extra portability, only this
5137 variable should be used in makefiles.
5138 "intsize"
5140 From intsize.U:
5141 This variable contains the value of the "INTSIZE" symbol, which
5143 indicates to the C program how many bytes there are in an int.
5144 "issymlink"
5146 From issymlink.U:
5147 This variable holds the test command to test for a symbolic link
5149 (if they are supported). Typical values include "test -h" and
5150 "test -L".
5151 "ivdformat"
5153 From perlxvf.U:
5154 This variable contains the format string used for printing a Perl
5156 "IV" as a signed decimal integer.
5157 "ivsize"
5159 From perlxv.U:
5160 This variable is the size of an "IV" in bytes.
5162 "ivtype"
5164 From perlxv.U:
5165 This variable contains the C type used for Perl's "IV".
5167 k
5169 "known_extensions"
5170 From Extensions.U:
5171 This variable holds a list of all "XS" extensions included in the
5173 package.
5174 "ksh"
5176 From Loc.U:
5177 This variable is defined but not used by Configure. The value is
5179 the empty string and is not useful.
5180 l
5182 "ld"
5183 From dlsrc.U:
5184 This variable indicates the program to be used to link libraries
5186 for dynamic loading. On some systems, it is "ld". On "ELF"
5187 systems, it should be $cc. Mostly, we'll try to respect the hint
5188 file setting.
5189 "lddlflags"
5191 From dlsrc.U:
5192 This variable contains any special flags that might need to be
5194 passed to $ld to create a shared library suitable for dynamic
5195 loading. It is up to the makefile to use it. For hpux, it should
5196 be "-b". For sunos 4.1, it is empty.
5197 "ldflags"
5199 From ccflags.U:
5200 This variable contains any additional C loader flags desired by the
5202 user. It is up to the Makefile to use this.
5203 "ldflags_uselargefiles"
5205 From uselfs.U:
5206 This variable contains the loader flags needed by large file builds
5208 and added to ldflags by hints files.
5209 "ldlibpthname"
5211 From libperl.U:
5212 This variable holds the name of the shared library search path,
5214 often "LD_LIBRARY_PATH". To get an empty string, the hints file
5215 must set this to "none".
5216 "less"
5218 From Loc.U:
5219 This variable is used internally by Configure to determine the full
5221 pathname (if any) of the less program. After Configure runs, the
5222 value is reset to a plain "less" and is not useful.
5223 "lib_ext"
5225 From Unix.U:
5226 This is an old synonym for _a.
5228 "libc"
5230 From libc.U:
5231 This variable contains the location of the C library.
5233 "libperl"
5235 From libperl.U:
5236 The perl executable is obtained by linking perlmain.c with libperl,
5238 any static extensions (usually just DynaLoader), and any other
5239 libraries needed on this system. libperl is usually libperl.a, but
5240 can also be libperl.so.xxx if the user wishes to build a perl
5241 executable with a shared library.
5242 "libpth"
5244 From libpth.U:
5245 This variable holds the general path (space-separated) used to find
5247 libraries. It is intended to be used by other units.
5248 "libs"
5250 From libs.U:
5251 This variable holds the additional libraries we want to use. It is
5253 up to the Makefile to deal with it. The list can be empty.
5254 "libsdirs"
5256 From libs.U:
5257 This variable holds the directory names aka dirnames of the
5259 libraries we found and accepted, duplicates are removed.
5260 "libsfiles"
5262 From libs.U:
5263 This variable holds the filenames aka basenames of the libraries we
5265 found and accepted.
5266 "libsfound"
5268 From libs.U:
5269 This variable holds the full pathnames of the libraries we found
5271 and accepted.
5272 "libspath"
5274 From libs.U:
5275 This variable holds the directory names probed for libraries.
5277 "libswanted"
5279 From Myinit.U:
5280 This variable holds a list of all the libraries we want to search.
5282 The order is chosen to pick up the c library ahead of ucb or bsd
5283 libraries for SVR4.
5284 "libswanted_uselargefiles"
5286 From uselfs.U:
5287 This variable contains the libraries needed by large file builds
5289 and added to ldflags by hints files. It is a space separated list
5290 of the library names without the "lib" prefix or any suffix, just
5291 like libswanted..
5292 "line"
5294 From Loc.U:
5295 This variable is defined but not used by Configure. The value is
5297 the empty string and is not useful.
5298 "lint"
5300 From Loc.U:
5301 This variable is defined but not used by Configure. The value is
5303 the empty string and is not useful.
5304 "lkflags"
5306 From ccflags.U:
5307 This variable contains any additional C partial linker flags
5309 desired by the user. It is up to the Makefile to use this.
5310 "ln"
5312 From Loc.U:
5313 This variable is used internally by Configure to determine the full
5315 pathname (if any) of the ln program. After Configure runs, the
5316 value is reset to a plain "ln" and is not useful.
5317 "lns"
5319 From lns.U:
5320 This variable holds the name of the command to make symbolic links
5322 (if they are supported). It can be used in the Makefile. It is
5323 either "ln -s" or "ln"
5324 "localtime_r_proto"
5326 From d_localtime_r.U:
5327 This variable encodes the prototype of localtime_r. It is zero if
5329 d_localtime_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
5330 macros of reentr.h if d_localtime_r is defined.
5331 "locincpth"
5333 From ccflags.U:
5334 This variable contains a list of additional directories to be
5336 searched by the compiler. The appropriate "-I" directives will be
5337 added to ccflags. This is intended to simplify setting local
5338 directories from the Configure command line. It's not much, but it
5339 parallels the loclibpth stuff in libpth.U.
5340 "loclibpth"
5342 From libpth.U:
5343 This variable holds the paths (space-separated) used to find local
5345 libraries. It is prepended to libpth, and is intended to be easily
5346 set from the command line.
5347 "longdblsize"
5349 From d_longdbl.U:
5350 This variable contains the value of the "LONG_DOUBLESIZE" symbol,
5352 which indicates to the C program how many bytes there are in a long
5353 double, if this system supports long doubles.
5354 "longlongsize"
5356 From d_longlong.U:
5357 This variable contains the value of the "LONGLONGSIZE" symbol,
5359 which indicates to the C program how many bytes there are in a long
5360 long, if this system supports long long.
5361 "longsize"
5363 From intsize.U:
5364 This variable contains the value of the "LONGSIZE" symbol, which
5366 indicates to the C program how many bytes there are in a long.
5367 "lp"
5369 From Loc.U:
5370 This variable is defined but not used by Configure. The value is
5372 the empty string and is not useful.
5373 "lpr"
5375 From Loc.U:
5376 This variable is defined but not used by Configure. The value is
5378 the empty string and is not useful.
5379 "ls"
5381 From Loc.U:
5382 This variable is used internally by Configure to determine the full
5384 pathname (if any) of the ls program. After Configure runs, the
5385 value is reset to a plain "ls" and is not useful.
5386 "lseeksize"
5388 From lseektype.U:
5389 This variable defines lseektype to be something like off_t, long,
5391 or whatever type is used to declare lseek offset's type in the
5392 kernel (which also appears to be lseek's return type).
5393 "lseektype"
5395 From lseektype.U:
5396 This variable defines lseektype to be something like off_t, long,
5398 or whatever type is used to declare lseek offset's type in the
5399 kernel (which also appears to be lseek's return type).
5400 m
5402 "mad"
5403 From mad.U:
5404 This variable indicates that the Misc Attribute Definition code is
5406 to be compiled.
5407 "madlyh"
5409 From mad.U:
5410 If the Misc Attribute Decoration is to be compiled, this variable
5412 is set to the name of the extra header files to be used, else it is
5413 ''
5414 "madlyobj"
5416 From mad.U:
5417 If the Misc Attribute Decoration is to be compiled, this variable
5419 is set to the name of the extra object files to be used, else it is
5420 ''
5421 "madlysrc"
5423 From mad.U:
5424 If the Misc Attribute Decoration is to be compiled, this variable
5426 is set to the name of the extra C source files to be used, else it
5427 is ''
5428 "mail"
5430 From Loc.U:
5431 This variable is defined but not used by Configure. The value is
5433 the empty string and is not useful.
5434 "mailx"
5436 From Loc.U:
5437 This variable is defined but not used by Configure. The value is
5439 the empty string and is not useful.
5440 "make"
5442 From Loc.U:
5443 This variable is used internally by Configure to determine the full
5445 pathname (if any) of the make program. After Configure runs, the
5446 value is reset to a plain "make" and is not useful.
5447 "make_set_make"
5449 From make.U:
5450 Some versions of "make" set the variable "MAKE". Others do not.
5452 This variable contains the string to be included in Makefile.SH so
5453 that "MAKE" is set if needed, and not if not needed. Possible
5454 values are:
5455 make_set_make="#" # If your make program handles this for
5457 you,
5458 make_set_make="MAKE=$make" # if it doesn't.
5460 This uses a comment character so that we can distinguish a "set"
5462 value (from a previous config.sh or Configure "-D" option) from an
5463 uncomputed value.
5464 "mallocobj"
5466 From mallocsrc.U:
5467 This variable contains the name of the malloc.o that this package
5469 generates, if that malloc.o is preferred over the system malloc.
5470 Otherwise the value is null. This variable is intended for
5471 generating Makefiles. See mallocsrc.
5472 "mallocsrc"
5474 From mallocsrc.U:
5475 This variable contains the name of the malloc.c that comes with the
5477 package, if that malloc.c is preferred over the system malloc.
5478 Otherwise the value is null. This variable is intended for
5479 generating Makefiles.
5480 "malloctype"
5482 From mallocsrc.U:
5483 This variable contains the kind of ptr returned by malloc and
5485 realloc.
5486 "man1dir"
5488 From man1dir.U:
5489 This variable contains the name of the directory in which manual
5491 source pages are to be put. It is the responsibility of the
5492 Makefile.SH to get the value of this into the proper command. You
5493 must be prepared to do the ~name expansion yourself.
5494 "man1direxp"
5496 From man1dir.U:
5497 This variable is the same as the man1dir variable, but is filename
5499 expanded at configuration time, for convenient use in makefiles.
5500 "man1ext"
5502 From man1dir.U:
5503 This variable contains the extension that the manual page should
5505 have: one of "n", "l", or 1. The Makefile must supply the .. See
5506 man1dir.
5507 "man3dir"
5509 From man3dir.U:
5510 This variable contains the name of the directory in which manual
5512 source pages are to be put. It is the responsibility of the
5513 Makefile.SH to get the value of this into the proper command. You
5514 must be prepared to do the ~name expansion yourself.
5515 "man3direxp"
5517 From man3dir.U:
5518 This variable is the same as the man3dir variable, but is filename
5520 expanded at configuration time, for convenient use in makefiles.
5521 "man3ext"
5523 From man3dir.U:
5524 This variable contains the extension that the manual page should
5526 have: one of "n", "l", or 3. The Makefile must supply the .. See
5527 man3dir.
5528 "mips_type"
5530 From usrinc.U:
5531 This variable holds the environment type for the mips system.
5533 Possible values are "BSD 4.3" and "System V".
5534 "mistrustnm"
5536 From Csym.U:
5537 This variable can be used to establish a fallthrough for the cases
5539 where nm fails to find a symbol. If usenm is false or usenm is
5540 true and mistrustnm is false, this variable has no effect. If
5541 usenm is true and mistrustnm is "compile", a test program will be
5542 compiled to try to find any symbol that can't be located via nm
5543 lookup. If mistrustnm is "run", the test program will be run as
5544 well as being compiled.
5545 "mkdir"
5547 From Loc.U:
5548 This variable is used internally by Configure to determine the full
5550 pathname (if any) of the mkdir program. After Configure runs, the
5551 value is reset to a plain "mkdir" and is not useful.
5552 "mmaptype"
5554 From d_mmap.U:
5555 This symbol contains the type of pointer returned by mmap() (and
5557 simultaneously the type of the first argument). It can be "void *"
5558 or "caddr_t".
5559 "modetype"
5561 From modetype.U:
5562 This variable defines modetype to be something like mode_t, int,
5564 unsigned short, or whatever type is used to declare file modes for
5565 system calls.
5566 "more"
5568 From Loc.U:
5569 This variable is used internally by Configure to determine the full
5571 pathname (if any) of the more program. After Configure runs, the
5572 value is reset to a plain "more" and is not useful.
5573 "multiarch"
5575 From multiarch.U:
5576 This variable conditionally defines the "MULTIARCH" symbol which
5578 signifies the presence of multiplatform files. This is normally
5579 set by hints files.
5580 "mv"
5582 From Loc.U:
5583 This variable is defined but not used by Configure. The value is
5585 the empty string and is not useful.
5586 "myarchname"
5588 From archname.U:
5589 This variable holds the architecture name computed by Configure in
5591 a previous run. It is not intended to be perused by any user and
5592 should never be set in a hint file.
5593 "mydomain"
5595 From myhostname.U:
5596 This variable contains the eventual value of the "MYDOMAIN" symbol,
5598 which is the domain of the host the program is going to run on.
5599 The domain must be appended to myhostname to form a complete host
5600 name. The dot comes with mydomain, and need not be supplied by the
5601 program.
5602 "myhostname"
5604 From myhostname.U:
5605 This variable contains the eventual value of the "MYHOSTNAME"
5607 symbol, which is the name of the host the program is going to run
5608 on. The domain is not kept with hostname, but must be gotten from
5609 mydomain. The dot comes with mydomain, and need not be supplied by
5610 the program.
5611 "myuname"
5613 From Oldconfig.U:
5614 The output of "uname -a" if available, otherwise the hostname. On
5616 Xenix, pseudo variables assignments in the output are stripped,
5617 thank you. The whole thing is then lower-cased.
5618 n
5620 "n" From n.U:
5621 This variable contains the "-n" flag if that is what causes the
5623 echo command to suppress newline. Otherwise it is null. Correct
5624 usage is $echo $n "prompt for a question: $c".
5625 "need_va_copy"
5627 From need_va_copy.U:
5628 This symbol, if defined, indicates that the system stores the
5630 variable argument list datatype, va_list, in a format that cannot
5631 be copied by simple assignment, so that some other means must be
5632 used when copying is required. As such systems vary in their
5633 provision (or non-provision) of copying mechanisms, handy.h defines
5634 a platform- "independent" macro, Perl_va_copy(src, dst), to do the
5635 job.
5636 "netdb_hlen_type"
5638 From netdbtype.U:
5639 This variable holds the type used for the 2nd argument to
5641 gethostbyaddr(). Usually, this is int or size_t or unsigned. This
5642 is only useful if you have gethostbyaddr(), naturally.
5643 "netdb_host_type"
5645 From netdbtype.U:
5646 This variable holds the type used for the 1st argument to
5648 gethostbyaddr(). Usually, this is char * or void *, possibly with
5649 or without a const prefix. This is only useful if you have
5650 gethostbyaddr(), naturally.
5651 "netdb_name_type"
5653 From netdbtype.U:
5654 This variable holds the type used for the argument to
5656 gethostbyname(). Usually, this is char * or const char *. This is
5657 only useful if you have gethostbyname(), naturally.
5658 "netdb_net_type"
5660 From netdbtype.U:
5661 This variable holds the type used for the 1st argument to
5663 getnetbyaddr(). Usually, this is int or long. This is only useful
5664 if you have getnetbyaddr(), naturally.
5665 "nm"
5667 From Loc.U:
5668 This variable is used internally by Configure to determine the full
5670 pathname (if any) of the nm program. After Configure runs, the
5671 value is reset to a plain "nm" and is not useful.
5672 "nm_opt"
5674 From usenm.U:
5675 This variable holds the options that may be necessary for nm.
5677 "nm_so_opt"
5679 From usenm.U:
5680 This variable holds the options that may be necessary for nm to
5682 work on a shared library but that can not be used on an archive
5683 library. Currently, this is only used by Linux, where nm --dynamic
5684 is *required* to get symbols from an "ELF" library which has been
5685 stripped, but nm --dynamic is *fatal* on an archive library. Maybe
5686 Linux should just always set usenm=false.
5687 "nonxs_ext"
5689 From Extensions.U:
5690 This variable holds a list of all non-xs extensions included in the
5692 package. All of them will be built.
5693 "nroff"
5695 From Loc.U:
5696 This variable is used internally by Configure to determine the full
5698 pathname (if any) of the nroff program. After Configure runs, the
5699 value is reset to a plain "nroff" and is not useful.
5700 "nv_overflows_integers_at"
5702 From perlxv.U:
5703 This variable gives the largest integer value that NVs can hold as
5705 a constant floating point expression. If it could not be
5706 determined, it holds the value 0.
5707 "nv_preserves_uv_bits"
5709 From perlxv.U:
5710 This variable indicates how many of bits type uvtype a variable
5712 nvtype can preserve.
5713 "nveformat"
5715 From perlxvf.U:
5716 This variable contains the format string used for printing a Perl
5718 "NV" using %e-ish floating point format.
5719 "nvEUformat"
5721 From perlxvf.U:
5722 This variable contains the format string used for printing a Perl
5724 "NV" using %E-ish floating point format.
5725 "nvfformat"
5727 From perlxvf.U:
5728 This variable confains the format string used for printing a Perl
5730 "NV" using %f-ish floating point format.
5731 "nvFUformat"
5733 From perlxvf.U:
5734 This variable confains the format string used for printing a Perl
5736 "NV" using %F-ish floating point format.
5737 "nvgformat"
5739 From perlxvf.U:
5740 This variable contains the format string used for printing a Perl
5742 "NV" using %g-ish floating point format.
5743 "nvGUformat"
5745 From perlxvf.U:
5746 This variable contains the format string used for printing a Perl
5748 "NV" using %G-ish floating point format.
5749 "nvsize"
5751 From perlxv.U:
5752 This variable is the size of an "NV" in bytes.
5754 "nvtype"
5756 From perlxv.U:
5757 This variable contains the C type used for Perl's "NV".
5759 o
5761 "o_nonblock"
5762 From nblock_io.U:
5763 This variable bears the symbol value to be used during open() or
5765 fcntl() to turn on non-blocking I/O for a file descriptor. If you
5766 wish to switch between blocking and non-blocking, you may try
5767 ioctl("FIOSNBIO") instead, but that is only supported by some
5768 devices.
5769 "obj_ext"
5771 From Unix.U:
5772 This is an old synonym for _o.
5774 "old_pthread_create_joinable"
5776 From d_pthrattrj.U:
5777 This variable defines the constant to use for creating joinable
5779 (aka undetached) pthreads. Unused if pthread.h defines
5780 "PTHREAD_CREATE_JOINABLE". If used, possible values are
5781 "PTHREAD_CREATE_UNDETACHED" and "__UNDETACHED".
5782 "optimize"
5784 From ccflags.U:
5785 This variable contains any optimizer/debugger flag that should be
5787 used. It is up to the Makefile to use it.
5788 "orderlib"
5790 From orderlib.U:
5791 This variable is "true" if the components of libraries must be
5793 ordered (with `lorder $* | tsort`) before placing them in an
5794 archive. Set to "false" if ranlib or ar can generate random
5795 libraries.
5796 "osname"
5798 From Oldconfig.U:
5799 This variable contains the operating system name (e.g. sunos,
5801 solaris, hpux, etc.). It can be useful later on for setting
5802 defaults. Any spaces are replaced with underscores. It is set to
5803 a null string if we can't figure it out.
5804 "osvers"
5806 From Oldconfig.U:
5807 This variable contains the operating system version (e.g. 4.1.3,
5809 5.2, etc.). It is primarily used for helping select an appropriate
5810 hints file, but might be useful elsewhere for setting defaults. It
5811 is set to '' if we can't figure it out. We try to be flexible
5812 about how much of the version number to keep, e.g. if 4.1.1, 4.1.2,
5813 and 4.1.3 are essentially the same for this package, hints files
5814 might just be os_4.0 or os_4.1, etc., not keeping separate files
5815 for each little release.
5816 "otherlibdirs"
5818 From otherlibdirs.U:
5819 This variable contains a colon-separated set of paths for the perl
5821 binary to search for additional library files or modules. These
5822 directories will be tacked to the end of @"INC". Perl will
5823 automatically search below each path for version- and architecture-
5824 specific directories. See inc_version_list for more details. A
5825 value of " " means "none" and is used to preserve this value for
5826 the next run through Configure.
5827 p
5829 "package"
5830 From package.U:
5831 This variable contains the name of the package being constructed.
5833 It is primarily intended for the use of later Configure units.
5834 "pager"
5836 From pager.U:
5837 This variable contains the name of the preferred pager on the
5839 system. Usual values are (the full pathnames of) more, less, pg,
5840 or cat.
5841 "passcat"
5843 From nis.U:
5844 This variable contains a command that produces the text of the
5846 /etc/passwd file. This is normally "cat /etc/passwd", but can be
5847 "ypcat passwd" when "NIS" is used. On some systems, such as os390,
5848 there may be no equivalent command, in which case this variable is
5849 unset.
5850 "patchlevel"
5852 From patchlevel.U:
5853 The patchlevel level of this package. The value of patchlevel
5855 comes from the patchlevel.h file. In a version number such as
5856 5.6.1, this is the 6. In patchlevel.h, this is referred to as
5857 "PERL_VERSION".
5858 "path_sep"
5860 From Unix.U:
5861 This is an old synonym for p_ in Head.U, the character used to
5863 separate elements in the command shell search "PATH".
5864 "perl"
5866 From Loc.U:
5867 This variable is defined but not used by Configure. The value is
5869 the empty string and is not useful.
5870 "perl5"
5872 From perl5.U:
5873 This variable contains the full path (if any) to a previously
5875 installed perl5.005 or later suitable for running the script to
5876 determine inc_version_list.
5877 P
5879 "PERL_API_REVISION"
5880 From patchlevel.h:
5881 This number describes the earliest compatible "PERL_REVISION" of
5883 Perl ("compatibility" here being defined as sufficient binary/"API"
5884 compatibility to run "XS" code built with the older version).
5885 Normally this does not change across maintenance releases. Please
5886 read the comment in patchlevel.h.
5887 "PERL_API_SUBVERSION"
5889 From patchlevel.h:
5890 This number describes the earliest compatible "PERL_SUBVERSION" of
5892 Perl ("compatibility" here being defined as sufficient binary/"API"
5893 compatibility to run "XS" code built with the older version).
5894 Normally this does not change across maintenance releases. Please
5895 read the comment in patchlevel.h.
5896 "PERL_API_VERSION"
5898 From patchlevel.h:
5899 This number describes the earliest compatible "PERL_VERSION" of
5901 Perl ("compatibility" here being defined as sufficient binary/"API"
5902 compatibility to run "XS" code built with the older version).
5903 Normally this does not change across maintenance releases. Please
5904 read the comment in patchlevel.h.
5905 "PERL_CONFIG_SH"
5907 From Oldsyms.U:
5908 This is set to "true" in config.sh so that a shell script sourcing
5910 config.sh can tell if it has been sourced already.
5911 "PERL_PATCHLEVEL"
5913 From Oldsyms.U:
5914 This symbol reflects the patchlevel, if available. Will usually
5916 come from the .patch file, which is available when the perl source
5917 tree was fetched with rsync.
5918 "perl_patchlevel"
5920 From patchlevel.U:
5921 This is the Perl patch level, a numeric change identifier, as
5923 defined by whichever source code maintenance system is used to
5924 maintain the patches; currently Perforce. It does not correlate
5925 with the Perl version numbers or the maintenance versus development
5926 dichotomy except by also being increasing.
5927 "PERL_REVISION"
5929 From Oldsyms.U:
5930 In a Perl version number such as 5.6.2, this is the 5. This value
5932 is manually set in patchlevel.h
5933 "PERL_SUBVERSION"
5935 From Oldsyms.U:
5936 In a Perl version number such as 5.6.2, this is the 2. Values
5938 greater than 50 represent potentially unstable development
5939 subversions. This value is manually set in patchlevel.h
5940 "PERL_VERSION"
5942 From Oldsyms.U:
5943 In a Perl version number such as 5.6.2, this is the 6. This value
5945 is manually set in patchlevel.h
5946 "perladmin"
5948 From perladmin.U:
5949 Electronic mail address of the perl5 administrator.
5951 "perllibs"
5953 From End.U:
5954 The list of libraries needed by Perl only (any libraries needed by
5956 extensions only will by dropped, if using dynamic loading).
5957 "perlpath"
5959 From perlpath.U:
5960 This variable contains the eventual value of the "PERLPATH" symbol,
5962 which contains the name of the perl interpreter to be used in shell
5963 scripts and in the "eval "exec"" idiom. This variable is not
5964 necessarily the pathname of the file containing the perl
5965 interpreter; you must append the executable extension (_exe) if it
5966 is not already present. Note that Perl code that runs during the
5967 Perl build process cannot reference this variable, as Perl may not
5968 have been installed, or even if installed, may be a different
5969 version of Perl.
5970 "pg"
5972 From Loc.U:
5973 This variable is used internally by Configure to determine the full
5975 pathname (if any) of the pg program. After Configure runs, the
5976 value is reset to a plain "pg" and is not useful.
5977 "phostname"
5979 From myhostname.U:
5980 This variable contains the eventual value of the "PHOSTNAME"
5982 symbol, which is a command that can be fed to popen() to get the
5983 host name. The program should probably not presume that the domain
5984 is or isn't there already.
5985 "pidtype"
5987 From pidtype.U:
5988 This variable defines "PIDTYPE" to be something like pid_t, int,
5990 ushort, or whatever type is used to declare process ids in the
5991 kernel.
5992 "plibpth"
5994 From libpth.U:
5995 Holds the private path used by Configure to find out the libraries.
5997 Its value is prepend to libpth. This variable takes care of special
5998 machines, like the mips. Usually, it should be empty.
5999 "pmake"
6001 From Loc.U:
6002 This variable is defined but not used by Configure. The value is
6004 the empty string and is not useful.
6005 "pr"
6007 From Loc.U:
6008 This variable is defined but not used by Configure. The value is
6010 the empty string and is not useful.
6011 "prefix"
6013 From prefix.U:
6014 This variable holds the name of the directory below which the user
6016 will install the package. Usually, this is /usr/local, and
6017 executables go in /usr/local/bin, library stuff in /usr/local/lib,
6018 man pages in /usr/local/man, etc. It is only used to set defaults
6019 for things in bin.U, mansrc.U, privlib.U, or scriptdir.U.
6020 "prefixexp"
6022 From prefix.U:
6023 This variable holds the full absolute path of the directory below
6025 which the user will install the package. Derived from prefix.
6026 "privlib"
6028 From privlib.U:
6029 This variable contains the eventual value of the "PRIVLIB" symbol,
6031 which is the name of the private library for this package. It may
6032 have a ~ on the front. It is up to the makefile to eventually
6033 create this directory while performing installation (with ~
6034 substitution).
6035 "privlibexp"
6037 From privlib.U:
6038 This variable is the ~name expanded version of privlib, so that you
6040 may use it directly in Makefiles or shell scripts.
6041 "procselfexe"
6043 From d_procselfexe.U:
6044 If d_procselfexe is defined, $procselfexe is the filename of the
6046 symbolic link pointing to the absolute pathname of the executing
6047 program.
6048 "prototype"
6050 From prototype.U:
6051 This variable holds the eventual value of "CAN_PROTOTYPE", which
6053 indicates the C compiler can handle funciton prototypes.
6054 "ptrsize"
6056 From ptrsize.U:
6057 This variable contains the value of the "PTRSIZE" symbol, which
6059 indicates to the C program how many bytes there are in a pointer.
6060 q
6062 "quadkind"
6063 From quadtype.U:
6064 This variable, if defined, encodes the type of a quad: 1 = int, 2 =
6066 long, 3 = long long, 4 = int64_t.
6067 "quadtype"
6069 From quadtype.U:
6070 This variable defines Quad_t to be something like long, int, long
6072 long, int64_t, or whatever type is used for 64-bit integers.
6073 r
6075 "randbits"
6076 From randfunc.U:
6077 Indicates how many bits are produced by the function used to
6079 generate normalized random numbers.
6080 "randfunc"
6082 From randfunc.U:
6083 Indicates the name of the random number function to use. Values
6085 include drand48, random, and rand. In C programs, the "Drand01"
6086 macro is defined to generate uniformly distributed random numbers
6087 over the range [0., 1.[ (see drand01 and nrand).
6088 "random_r_proto"
6090 From d_random_r.U:
6091 This variable encodes the prototype of random_r. It is zero if
6093 d_random_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
6094 of reentr.h if d_random_r is defined.
6095 "randseedtype"
6097 From randfunc.U:
6098 Indicates the type of the argument of the seedfunc.
6100 "ranlib"
6102 From orderlib.U:
6103 This variable is set to the pathname of the ranlib program, if it
6105 is needed to generate random libraries. Set to ":" if ar can
6106 generate random libraries or if random libraries are not supported
6107 "rd_nodata"
6109 From nblock_io.U:
6110 This variable holds the return code from read() when no data is
6112 present. It should be -1, but some systems return 0 when "O_NDELAY"
6113 is used, which is a shame because you cannot make the difference
6114 between no data and an EOF.. Sigh!
6115 "readdir64_r_proto"
6117 From d_readdir64_r.U:
6118 This variable encodes the prototype of readdir64_r. It is zero if
6120 d_readdir64_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6121 macros of reentr.h if d_readdir64_r is defined.
6122 "readdir_r_proto"
6124 From d_readdir_r.U:
6125 This variable encodes the prototype of readdir_r. It is zero if
6127 d_readdir_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
6128 of reentr.h if d_readdir_r is defined.
6129 "revision"
6131 From patchlevel.U:
6132 The value of revision comes from the patchlevel.h file. In a
6134 version number such as 5.6.1, this is the 5. In patchlevel.h, this
6135 is referred to as "PERL_REVISION".
6136 "rm"
6138 From Loc.U:
6139 This variable is used internally by Configure to determine the full
6141 pathname (if any) of the rm program. After Configure runs, the
6142 value is reset to a plain "rm" and is not useful.
6143 "rm_try"
6145 From Unix.U:
6146 This is a cleanup variable for try test programs. Internal
6148 Configure use only.
6149 "rmail"
6151 From Loc.U:
6152 This variable is defined but not used by Configure. The value is
6154 the empty string and is not useful.
6155 "run"
6157 From Cross.U:
6158 This variable contains the command used by Configure to copy and
6160 execute a cross-compiled executable in the target host. Useful and
6161 available only during Perl build. Empty string '' if not cross-
6162 compiling.
6163 "runnm"
6165 From usenm.U:
6166 This variable contains "true" or "false" depending whether the nm
6168 extraction should be performed or not, according to the value of
6169 usenm and the flags on the Configure command line.
6170 s
6172 "sched_yield"
6173 From d_pthread_y.U:
6174 This variable defines the way to yield the execution of the current
6176 thread.
6177 "scriptdir"
6179 From scriptdir.U:
6180 This variable holds the name of the directory in which the user
6182 wants to put publicly scripts for the package in question. It is
6183 either the same directory as for binaries, or a special one that
6184 can be mounted across different architectures, like /usr/share.
6185 Programs must be prepared to deal with ~name expansion.
6186 "scriptdirexp"
6188 From scriptdir.U:
6189 This variable is the same as scriptdir, but is filename expanded at
6191 configuration time, for programs not wanting to bother with it.
6192 "sed"
6194 From Loc.U:
6195 This variable is used internally by Configure to determine the full
6197 pathname (if any) of the sed program. After Configure runs, the
6198 value is reset to a plain "sed" and is not useful.
6199 "seedfunc"
6201 From randfunc.U:
6202 Indicates the random number generating seed function. Values
6204 include srand48, srandom, and srand.
6205 "selectminbits"
6207 From selectminbits.U:
6208 This variable holds the minimum number of bits operated by select.
6210 That is, if you do select(n, ...), how many bits at least will be
6211 cleared in the masks if some activity is detected. Usually this is
6212 either n or 32*ceil(n/32), especially many little-endians do the
6213 latter. This is only useful if you have select(), naturally.
6214 "selecttype"
6216 From selecttype.U:
6217 This variable holds the type used for the 2nd, 3rd, and 4th
6219 arguments to select. Usually, this is "fd_set *", if "HAS_FD_SET"
6220 is defined, and "int *" otherwise. This is only useful if you have
6221 select(), naturally.
6222 "sendmail"
6224 From Loc.U:
6225 This variable is defined but not used by Configure. The value is
6227 the empty string and is not useful.
6228 "setgrent_r_proto"
6230 From d_setgrent_r.U:
6231 This variable encodes the prototype of setgrent_r. It is zero if
6233 d_setgrent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6234 macros of reentr.h if d_setgrent_r is defined.
6235 "sethostent_r_proto"
6237 From d_sethostent_r.U:
6238 This variable encodes the prototype of sethostent_r. It is zero if
6240 d_sethostent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6241 macros of reentr.h if d_sethostent_r is defined.
6242 "setlocale_r_proto"
6244 From d_setlocale_r.U:
6245 This variable encodes the prototype of setlocale_r. It is zero if
6247 d_setlocale_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6248 macros of reentr.h if d_setlocale_r is defined.
6249 "setnetent_r_proto"
6251 From d_setnetent_r.U:
6252 This variable encodes the prototype of setnetent_r. It is zero if
6254 d_setnetent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6255 macros of reentr.h if d_setnetent_r is defined.
6256 "setprotoent_r_proto"
6258 From d_setprotoent_r.U:
6259 This variable encodes the prototype of setprotoent_r. It is zero
6261 if d_setprotoent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6262 macros of reentr.h if d_setprotoent_r is defined.
6263 "setpwent_r_proto"
6265 From d_setpwent_r.U:
6266 This variable encodes the prototype of setpwent_r. It is zero if
6268 d_setpwent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6269 macros of reentr.h if d_setpwent_r is defined.
6270 "setservent_r_proto"
6272 From d_setservent_r.U:
6273 This variable encodes the prototype of setservent_r. It is zero if
6275 d_setservent_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6276 macros of reentr.h if d_setservent_r is defined.
6277 "sGMTIME_max"
6279 From time_size.U:
6280 This variable defines the maximum value of the time_t offset that
6282 the system function gmtime () accepts
6283 "sGMTIME_min"
6285 From time_size.U:
6286 This variable defines the minimum value of the time_t offset that
6288 the system function gmtime () accepts
6289 "sh"
6291 From sh.U:
6292 This variable contains the full pathname of the shell used on this
6294 system to execute Bourne shell scripts. Usually, this will be
6295 /bin/sh, though it's possible that some systems will have /bin/ksh,
6296 /bin/pdksh, /bin/ash, /bin/bash, or even something such as
6297 D:/bin/sh.exe. This unit comes before Options.U, so you can't set
6298 sh with a "-D" option, though you can override this (and startsh)
6299 with "-O -Dsh=/bin/whatever -Dstartsh=whatever"
6300 "shar"
6302 From Loc.U:
6303 This variable is defined but not used by Configure. The value is
6305 the empty string and is not useful.
6306 "sharpbang"
6308 From spitshell.U:
6309 This variable contains the string #! if this system supports that
6311 construct.
6312 "shmattype"
6314 From d_shmat.U:
6315 This symbol contains the type of pointer returned by shmat(). It
6317 can be "void *" or "char *".
6318 "shortsize"
6320 From intsize.U:
6321 This variable contains the value of the "SHORTSIZE" symbol which
6323 indicates to the C program how many bytes there are in a short.
6324 "shrpenv"
6326 From libperl.U:
6327 If the user builds a shared libperl.so, then we need to tell the
6329 "perl" executable where it will be able to find the installed
6330 libperl.so. One way to do this on some systems is to set the
6331 environment variable "LD_RUN_PATH" to the directory that will be
6332 the final location of the shared libperl.so. The makefile can use
6333 this with something like $shrpenv $("CC") -o perl perlmain.o
6334 $libperl $libs Typical values are shrpenv="env
6335 "LD_RUN_PATH"=$archlibexp/"CORE"" or shrpenv='' See the main perl
6336 Makefile.SH for actual working usage. Alternatively, we might be
6337 able to use a command line option such as -R $archlibexp/"CORE"
6338 (Solaris) or -Wl,-rpath $archlibexp/"CORE" (Linux).
6339 "shsharp"
6341 From spitshell.U:
6342 This variable tells further Configure units whether your sh can
6344 handle # comments.
6345 "sig_count"
6347 From sig_name.U:
6348 This variable holds a number larger than the largest valid signal
6350 number. This is usually the same as the "NSIG" macro.
6351 "sig_name"
6353 From sig_name.U:
6354 This variable holds the signal names, space separated. The leading
6356 "SIG" in signal name is removed. A "ZERO" is prepended to the
6357 list. This is currently not used, sig_name_init is used instead.
6358 "sig_name_init"
6360 From sig_name.U:
6361 This variable holds the signal names, enclosed in double quotes and
6363 separated by commas, suitable for use in the "SIG_NAME" definition
6364 below. A "ZERO" is prepended to the list, and the list is
6365 terminated with a plain 0. The leading "SIG" in signal names is
6366 removed. See sig_num.
6367 "sig_num"
6369 From sig_name.U:
6370 This variable holds the signal numbers, space separated. A "ZERO"
6372 is prepended to the list (corresponding to the fake "SIGZERO").
6373 Those numbers correspond to the value of the signal listed in the
6374 same place within the sig_name list. This is currently not used,
6375 sig_num_init is used instead.
6376 "sig_num_init"
6378 From sig_name.U:
6379 This variable holds the signal numbers, enclosed in double quotes
6381 and separated by commas, suitable for use in the "SIG_NUM"
6382 definition below. A "ZERO" is prepended to the list, and the list
6383 is terminated with a plain 0.
6384 "sig_size"
6386 From sig_name.U:
6387 This variable contains the number of elements of the sig_name and
6389 sig_num arrays.
6390 "signal_t"
6392 From d_voidsig.U:
6393 This variable holds the type of the signal handler (void or int).
6395 "sitearch"
6397 From sitearch.U:
6398 This variable contains the eventual value of the "SITEARCH" symbol,
6400 which is the name of the private library for this package. It may
6401 have a ~ on the front. It is up to the makefile to eventually
6402 create this directory while performing installation (with ~
6403 substitution). The standard distribution will put nothing in this
6404 directory. After perl has been installed, users may install their
6405 own local architecture-dependent modules in this directory with
6406 MakeMaker Makefile.PL or equivalent. See "INSTALL" for details.
6407 "sitearchexp"
6409 From sitearch.U:
6410 This variable is the ~name expanded version of sitearch, so that
6412 you may use it directly in Makefiles or shell scripts.
6413 "sitebin"
6415 From sitebin.U:
6416 This variable holds the name of the directory in which the user
6418 wants to put add-on publicly executable files for the package in
6419 question. It is most often a local directory such as
6420 /usr/local/bin. Programs using this variable must be prepared to
6421 deal with ~name substitution. The standard distribution will put
6422 nothing in this directory. After perl has been installed, users
6423 may install their own local executables in this directory with
6424 MakeMaker Makefile.PL or equivalent. See "INSTALL" for details.
6425 "sitebinexp"
6427 From sitebin.U:
6428 This is the same as the sitebin variable, but is filename expanded
6430 at configuration time, for use in your makefiles.
6431 "sitehtml1dir"
6433 From sitehtml1dir.U:
6434 This variable contains the name of the directory in which site-
6436 specific html source pages are to be put. It is the responsibility
6437 of the Makefile.SH to get the value of this into the proper
6438 command. You must be prepared to do the ~name expansion yourself.
6439 The standard distribution will put nothing in this directory.
6440 After perl has been installed, users may install their own local
6441 html pages in this directory with MakeMaker Makefile.PL or
6442 equivalent. See "INSTALL" for details.
6443 "sitehtml1direxp"
6445 From sitehtml1dir.U:
6446 This variable is the same as the sitehtml1dir variable, but is
6448 filename expanded at configuration time, for convenient use in
6449 makefiles.
6450 "sitehtml3dir"
6452 From sitehtml3dir.U:
6453 This variable contains the name of the directory in which site-
6455 specific library html source pages are to be put. It is the
6456 responsibility of the Makefile.SH to get the value of this into the
6457 proper command. You must be prepared to do the ~name expansion
6458 yourself. The standard distribution will put nothing in this
6459 directory. After perl has been installed, users may install their
6460 own local library html pages in this directory with MakeMaker
6461 Makefile.PL or equivalent. See "INSTALL" for details.
6462 "sitehtml3direxp"
6464 From sitehtml3dir.U:
6465 This variable is the same as the sitehtml3dir variable, but is
6467 filename expanded at configuration time, for convenient use in
6468 makefiles.
6469 "sitelib"
6471 From sitelib.U:
6472 This variable contains the eventual value of the "SITELIB" symbol,
6474 which is the name of the private library for this package. It may
6475 have a ~ on the front. It is up to the makefile to eventually
6476 create this directory while performing installation (with ~
6477 substitution). The standard distribution will put nothing in this
6478 directory. After perl has been installed, users may install their
6479 own local architecture-independent modules in this directory with
6480 MakeMaker Makefile.PL or equivalent. See "INSTALL" for details.
6481 "sitelib_stem"
6483 From sitelib.U:
6484 This variable is $sitelibexp with any trailing version-specific
6486 component removed. The elements in inc_version_list
6487 (inc_version_list.U) can be tacked onto this variable to generate a
6488 list of directories to search.
6489 "sitelibexp"
6491 From sitelib.U:
6492 This variable is the ~name expanded version of sitelib, so that you
6494 may use it directly in Makefiles or shell scripts.
6495 "siteman1dir"
6497 From siteman1dir.U:
6498 This variable contains the name of the directory in which site-
6500 specific manual source pages are to be put. It is the
6501 responsibility of the Makefile.SH to get the value of this into the
6502 proper command. You must be prepared to do the ~name expansion
6503 yourself. The standard distribution will put nothing in this
6504 directory. After perl has been installed, users may install their
6505 own local man1 pages in this directory with MakeMaker Makefile.PL
6506 or equivalent. See "INSTALL" for details.
6507 "siteman1direxp"
6509 From siteman1dir.U:
6510 This variable is the same as the siteman1dir variable, but is
6512 filename expanded at configuration time, for convenient use in
6513 makefiles.
6514 "siteman3dir"
6516 From siteman3dir.U:
6517 This variable contains the name of the directory in which site-
6519 specific library man source pages are to be put. It is the
6520 responsibility of the Makefile.SH to get the value of this into the
6521 proper command. You must be prepared to do the ~name expansion
6522 yourself. The standard distribution will put nothing in this
6523 directory. After perl has been installed, users may install their
6524 own local man3 pages in this directory with MakeMaker Makefile.PL
6525 or equivalent. See "INSTALL" for details.
6526 "siteman3direxp"
6528 From siteman3dir.U:
6529 This variable is the same as the siteman3dir variable, but is
6531 filename expanded at configuration time, for convenient use in
6532 makefiles.
6533 "siteprefix"
6535 From siteprefix.U:
6536 This variable holds the full absolute path of the directory below
6538 which the user will install add-on packages. See "INSTALL" for
6539 usage and examples.
6540 "siteprefixexp"
6542 From siteprefix.U:
6543 This variable holds the full absolute path of the directory below
6545 which the user will install add-on packages. Derived from
6546 siteprefix.
6547 "sitescript"
6549 From sitescript.U:
6550 This variable holds the name of the directory in which the user
6552 wants to put add-on publicly executable files for the package in
6553 question. It is most often a local directory such as
6554 /usr/local/bin. Programs using this variable must be prepared to
6555 deal with ~name substitution. The standard distribution will put
6556 nothing in this directory. After perl has been installed, users
6557 may install their own local scripts in this directory with
6558 MakeMaker Makefile.PL or equivalent. See "INSTALL" for details.
6559 "sitescriptexp"
6561 From sitescript.U:
6562 This is the same as the sitescript variable, but is filename
6564 expanded at configuration time, for use in your makefiles.
6565 "sizesize"
6567 From sizesize.U:
6568 This variable contains the size of a sizetype in bytes.
6570 "sizetype"
6572 From sizetype.U:
6573 This variable defines sizetype to be something like size_t,
6575 unsigned long, or whatever type is used to declare length
6576 parameters for string functions.
6577 "sleep"
6579 From Loc.U:
6580 This variable is defined but not used by Configure. The value is
6582 the empty string and is not useful.
6583 "sLOCALTIME_max"
6585 From time_size.U:
6586 This variable defines the maximum value of the time_t offset that
6588 the system function localtime () accepts
6589 "sLOCALTIME_min"
6591 From time_size.U:
6592 This variable defines the minimum value of the time_t offset that
6594 the system function localtime () accepts
6595 "smail"
6597 From Loc.U:
6598 This variable is defined but not used by Configure. The value is
6600 the empty string and is not useful.
6601 "so"
6603 From so.U:
6604 This variable holds the extension used to identify shared libraries
6606 (also known as shared objects) on the system. Usually set to "so".
6607 "sockethdr"
6609 From d_socket.U:
6610 This variable has any cpp "-I" flags needed for socket support.
6612 "socketlib"
6614 From d_socket.U:
6615 This variable has the names of any libraries needed for socket
6617 support.
6618 "socksizetype"
6620 From socksizetype.U:
6621 This variable holds the type used for the size argument for various
6623 socket calls like accept. Usual values include socklen_t, size_t,
6624 and int.
6625 "sort"
6627 From Loc.U:
6628 This variable is used internally by Configure to determine the full
6630 pathname (if any) of the sort program. After Configure runs, the
6631 value is reset to a plain "sort" and is not useful.
6632 "spackage"
6634 From package.U:
6635 This variable contains the name of the package being constructed,
6637 with the first letter uppercased, i.e. suitable for starting
6638 sentences.
6639 "spitshell"
6641 From spitshell.U:
6642 This variable contains the command necessary to spit out a runnable
6644 shell on this system. It is either cat or a grep "-v" for #
6645 comments.
6646 "sPRId64"
6648 From quadfio.U:
6649 This variable, if defined, contains the string used by stdio to
6651 format 64-bit decimal numbers (format "d") for output.
6652 "sPRIeldbl"
6654 From longdblfio.U:
6655 This variable, if defined, contains the string used by stdio to
6657 format long doubles (format "e") for output.
6658 "sPRIEUldbl"
6660 From longdblfio.U:
6661 This variable, if defined, contains the string used by stdio to
6663 format long doubles (format "E") for output. The "U" in the name
6664 is to separate this from sPRIeldbl so that even case-blind systems
6665 can see the difference.
6666 "sPRIfldbl"
6668 From longdblfio.U:
6669 This variable, if defined, contains the string used by stdio to
6671 format long doubles (format "f") for output.
6672 "sPRIFUldbl"
6674 From longdblfio.U:
6675 This variable, if defined, contains the string used by stdio to
6677 format long doubles (format "F") for output. The "U" in the name
6678 is to separate this from sPRIfldbl so that even case-blind systems
6679 can see the difference.
6680 "sPRIgldbl"
6682 From longdblfio.U:
6683 This variable, if defined, contains the string used by stdio to
6685 format long doubles (format "g") for output.
6686 "sPRIGUldbl"
6688 From longdblfio.U:
6689 This variable, if defined, contains the string used by stdio to
6691 format long doubles (format "G") for output. The "U" in the name
6692 is to separate this from sPRIgldbl so that even case-blind systems
6693 can see the difference.
6694 "sPRIi64"
6696 From quadfio.U:
6697 This variable, if defined, contains the string used by stdio to
6699 format 64-bit decimal numbers (format "i") for output.
6700 "sPRIo64"
6702 From quadfio.U:
6703 This variable, if defined, contains the string used by stdio to
6705 format 64-bit octal numbers (format "o") for output.
6706 "sPRIu64"
6708 From quadfio.U:
6709 This variable, if defined, contains the string used by stdio to
6711 format 64-bit unsigned decimal numbers (format "u") for output.
6712 "sPRIx64"
6714 From quadfio.U:
6715 This variable, if defined, contains the string used by stdio to
6717 format 64-bit hexadecimal numbers (format "x") for output.
6718 "sPRIXU64"
6720 From quadfio.U:
6721 This variable, if defined, contains the string used by stdio to
6723 format 64-bit hExADECimAl numbers (format "X") for output. The "U"
6724 in the name is to separate this from sPRIx64 so that even case-
6725 blind systems can see the difference.
6726 "srand48_r_proto"
6728 From d_srand48_r.U:
6729 This variable encodes the prototype of srand48_r. It is zero if
6731 d_srand48_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
6732 of reentr.h if d_srand48_r is defined.
6733 "srandom_r_proto"
6735 From d_srandom_r.U:
6736 This variable encodes the prototype of srandom_r. It is zero if
6738 d_srandom_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
6739 of reentr.h if d_srandom_r is defined.
6740 "src"
6742 From src.U:
6743 This variable holds the (possibly relative) path of the package
6745 source. It is up to the Makefile to use this variable and set
6746 "VPATH" accordingly to find the sources remotely. Use $pkgsrc to
6747 have an absolute path.
6748 "sSCNfldbl"
6750 From longdblfio.U:
6751 This variable, if defined, contains the string used by stdio to
6753 format long doubles (format "f") for input.
6754 "ssizetype"
6756 From ssizetype.U:
6757 This variable defines ssizetype to be something like ssize_t, long
6759 or int. It is used by functions that return a count of bytes or an
6760 error condition. It must be a signed type. We will pick a type
6761 such that sizeof(SSize_t) == sizeof(Size_t).
6762 "startperl"
6764 From startperl.U:
6765 This variable contains the string to put on the front of a perl
6767 script to make sure (hopefully) that it runs with perl and not some
6768 shell. Of course, that leading line must be followed by the
6769 classical perl idiom: eval 'exec perl -S $0 ${1+$@}' if
6770 $running_under_some_shell; to guarantee perl startup should the
6771 shell execute the script. Note that this magic incatation is not
6772 understood by csh.
6773 "startsh"
6775 From startsh.U:
6776 This variable contains the string to put on the front of a shell
6778 script to make sure (hopefully) that it runs with sh and not some
6779 other shell.
6780 "static_ext"
6782 From Extensions.U:
6783 This variable holds a list of "XS" extension files we want to link
6785 statically into the package. It is used by Makefile.
6786 "stdchar"
6788 From stdchar.U:
6789 This variable conditionally defines "STDCHAR" to be the type of
6791 char used in stdio.h. It has the values "unsigned char" or "char".
6792 "stdio_base"
6794 From d_stdstdio.U:
6795 This variable defines how, given a "FILE" pointer, fp, to access
6797 the _base field (or equivalent) of stdio.h's "FILE" structure.
6798 This will be used to define the macro FILE_base(fp).
6799 "stdio_bufsiz"
6801 From d_stdstdio.U:
6802 This variable defines how, given a "FILE" pointer, fp, to determine
6804 the number of bytes store in the I/O buffer pointer to by the _base
6805 field (or equivalent) of stdio.h's "FILE" structure. This will be
6806 used to define the macro FILE_bufsiz(fp).
6807 "stdio_cnt"
6809 From d_stdstdio.U:
6810 This variable defines how, given a "FILE" pointer, fp, to access
6812 the _cnt field (or equivalent) of stdio.h's "FILE" structure. This
6813 will be used to define the macro FILE_cnt(fp).
6814 "stdio_filbuf"
6816 From d_stdstdio.U:
6817 This variable defines how, given a "FILE" pointer, fp, to tell
6819 stdio to refill its internal buffers (?). This will be used to
6820 define the macro FILE_filbuf(fp).
6821 "stdio_ptr"
6823 From d_stdstdio.U:
6824 This variable defines how, given a "FILE" pointer, fp, to access
6826 the _ptr field (or equivalent) of stdio.h's "FILE" structure. This
6827 will be used to define the macro FILE_ptr(fp).
6828 "stdio_stream_array"
6830 From stdio_streams.U:
6831 This variable tells the name of the array holding the stdio
6833 streams. Usual values include _iob, __iob, and __sF.
6834 "strerror_r_proto"
6836 From d_strerror_r.U:
6837 This variable encodes the prototype of strerror_r. It is zero if
6839 d_strerror_r is undef, and one of the "REENTRANT_PROTO_T_ABC"
6840 macros of reentr.h if d_strerror_r is defined.
6841 "strings"
6843 From i_string.U:
6844 This variable holds the full path of the string header that will be
6846 used. Typically /usr/include/string.h or /usr/include/strings.h.
6847 "submit"
6849 From Loc.U:
6850 This variable is defined but not used by Configure. The value is
6852 the empty string and is not useful.
6853 "subversion"
6855 From patchlevel.U:
6856 The subversion level of this package. The value of subversion
6858 comes from the patchlevel.h file. In a version number such as
6859 5.6.1, this is the 1. In patchlevel.h, this is referred to as
6860 "PERL_SUBVERSION". This is unique to perl.
6861 "sysman"
6863 From sysman.U:
6864 This variable holds the place where the manual is located on this
6866 system. It is not the place where the user wants to put his manual
6867 pages. Rather it is the place where Configure may look to find
6868 manual for unix commands (section 1 of the manual usually). See
6869 mansrc.
6870 t
6872 "tail"
6873 From Loc.U:
6874 This variable is defined but not used by Configure. The value is
6876 the empty string and is not useful.
6877 "tar"
6879 From Loc.U:
6880 This variable is defined but not used by Configure. The value is
6882 the empty string and is not useful.
6883 "targetarch"
6885 From Cross.U:
6886 If cross-compiling, this variable contains the target architecture.
6888 If not, this will be empty.
6889 "tbl"
6891 From Loc.U:
6892 This variable is defined but not used by Configure. The value is
6894 the empty string and is not useful.
6895 "tee"
6897 From Loc.U:
6898 This variable is defined but not used by Configure. The value is
6900 the empty string and is not useful.
6901 "test"
6903 From Loc.U:
6904 This variable is used internally by Configure to determine the full
6906 pathname (if any) of the test program. After Configure runs, the
6907 value is reset to a plain "test" and is not useful.
6908 "timeincl"
6910 From i_time.U:
6911 This variable holds the full path of the included time header(s).
6913 "timetype"
6915 From d_time.U:
6916 This variable holds the type returned by time(). It can be long, or
6918 time_t on "BSD" sites (in which case <sys/types.h> should be
6919 included). Anyway, the type Time_t should be used.
6920 "tmpnam_r_proto"
6922 From d_tmpnam_r.U:
6923 This variable encodes the prototype of tmpnam_r. It is zero if
6925 d_tmpnam_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
6926 of reentr.h if d_tmpnam_r is defined.
6927 "to"
6929 From Cross.U:
6930 This variable contains the command used by Configure to copy to
6932 from the target host. Useful and available only during Perl build.
6933 The string ":" if not cross-compiling.
6934 "touch"
6936 From Loc.U:
6937 This variable is used internally by Configure to determine the full
6939 pathname (if any) of the touch program. After Configure runs, the
6940 value is reset to a plain "touch" and is not useful.
6941 "tr"
6943 From Loc.U:
6944 This variable is used internally by Configure to determine the full
6946 pathname (if any) of the tr program. After Configure runs, the
6947 value is reset to a plain "tr" and is not useful.
6948 "trnl"
6950 From trnl.U:
6951 This variable contains the value to be passed to the tr(1) command
6953 to transliterate a newline. Typical values are "\012" and "\n".
6954 This is needed for "EBCDIC" systems where newline is not
6955 necessarily "\012".
6956 "troff"
6958 From Loc.U:
6959 This variable is defined but not used by Configure. The value is
6961 the empty string and is not useful.
6962 "ttyname_r_proto"
6964 From d_ttyname_r.U:
6965 This variable encodes the prototype of ttyname_r. It is zero if
6967 d_ttyname_r is undef, and one of the "REENTRANT_PROTO_T_ABC" macros
6968 of reentr.h if d_ttyname_r is defined.
6969 u
6971 "u16size"
6972 From perlxv.U:
6973 This variable is the size of an U16 in bytes.
6975 "u16type"
6977 From perlxv.U:
6978 This variable contains the C type used for Perl's U16.
6980 "u32size"
6982 From perlxv.U:
6983 This variable is the size of an U32 in bytes.
6985 "u32type"
6987 From perlxv.U:
6988 This variable contains the C type used for Perl's U32.
6990 "u64size"
6992 From perlxv.U:
6993 This variable is the size of an U64 in bytes.
6995 "u64type"
6997 From perlxv.U:
6998 This variable contains the C type used for Perl's U64.
7000 "u8size"
7002 From perlxv.U:
7003 This variable is the size of an U8 in bytes.
7005 "u8type"
7007 From perlxv.U:
7008 This variable contains the C type used for Perl's U8.
7010 "uidformat"
7012 From uidf.U:
7013 This variable contains the format string used for printing a Uid_t.
7015 "uidsign"
7017 From uidsign.U:
7018 This variable contains the signedness of a uidtype. 1 for
7020 unsigned, -1 for signed.
7021 "uidsize"
7023 From uidsize.U:
7024 This variable contains the size of a uidtype in bytes.
7026 "uidtype"
7028 From uidtype.U:
7029 This variable defines Uid_t to be something like uid_t, int,
7031 ushort, or whatever type is used to declare user ids in the kernel.
7032 "uname"
7034 From Loc.U:
7035 This variable is used internally by Configure to determine the full
7037 pathname (if any) of the uname program. After Configure runs, the
7038 value is reset to a plain "uname" and is not useful.
7039 "uniq"
7041 From Loc.U:
7042 This variable is used internally by Configure to determine the full
7044 pathname (if any) of the uniq program. After Configure runs, the
7045 value is reset to a plain "uniq" and is not useful.
7046 "uquadtype"
7048 From quadtype.U:
7049 This variable defines Uquad_t to be something like unsigned long,
7051 unsigned int, unsigned long long, uint64_t, or whatever type is
7052 used for 64-bit integers.
7053 "use5005threads"
7055 From usethreads.U:
7056 This variable conditionally defines the USE_5005THREADS symbol, and
7058 indicates that Perl should be built to use the 5.005-based
7059 threading implementation. Only valid up to 5.8.x.
7060 "use64bitall"
7062 From use64bits.U:
7063 This variable conditionally defines the USE_64_BIT_ALL symbol, and
7065 indicates that 64-bit integer types should be used when available.
7066 The maximal possible 64-bitness is employed: LP64 or ILP64, meaning
7067 that you will be able to use more than 2 gigabytes of memory. This
7068 mode is even more binary incompatible than USE_64_BIT_INT. You may
7069 not be able to run the resulting executable in a 32-bit "CPU" at
7070 all or you may need at least to reboot your "OS" to 64-bit mode.
7071 "use64bitint"
7073 From use64bits.U:
7074 This variable conditionally defines the USE_64_BIT_INT symbol, and
7076 indicates that 64-bit integer types should be used when available.
7077 The minimal possible 64-bitness is employed, just enough to get
7078 64-bit integers into Perl. This may mean using for example "long
7079 longs", while your memory may still be limited to 2 gigabytes.
7080 "usecrosscompile"
7082 From Cross.U:
7083 This variable conditionally defines the "USE_CROSS_COMPILE" symbol,
7085 and indicates that Perl has been cross-compiled.
7086 "usedevel"
7088 From Devel.U:
7089 This variable indicates that Perl was configured with development
7091 features enabled. This should not be done for production builds.
7092 "usedl"
7094 From dlsrc.U:
7095 This variable indicates if the system supports dynamic loading of
7097 some sort. See also dlsrc and dlobj.
7098 "usedtrace"
7100 From usedtrace.U:
7101 This variable indicates whether we are compiling with dtrace
7103 support. See also dtrace.
7104 "usefaststdio"
7106 From usefaststdio.U:
7107 This variable conditionally defines the "USE_FAST_STDIO" symbol,
7109 and indicates that Perl should be built to use "fast stdio".
7110 Defaults to define in Perls 5.8 and earlier, to undef later.
7111 "useithreads"
7113 From usethreads.U:
7114 This variable conditionally defines the "USE_ITHREADS" symbol, and
7116 indicates that Perl should be built to use the interpreter-based
7117 threading implementation.
7118 "uselargefiles"
7120 From uselfs.U:
7121 This variable conditionally defines the "USE_LARGE_FILES" symbol,
7123 and indicates that large file interfaces should be used when
7124 available.
7125 "uselongdouble"
7127 From uselongdbl.U:
7128 This variable conditionally defines the "USE_LONG_DOUBLE" symbol,
7130 and indicates that long doubles should be used when available.
7131 "usemallocwrap"
7133 From mallocsrc.U:
7134 This variable contains y if we are wrapping malloc to prevent
7136 integer overflow during size calculations.
7137 "usemorebits"
7139 From usemorebits.U:
7140 This variable conditionally defines the "USE_MORE_BITS" symbol, and
7142 indicates that explicit 64-bit interfaces and long doubles should
7143 be used when available.
7144 "usemultiplicity"
7146 From usemultiplicity.U:
7147 This variable conditionally defines the "MULTIPLICITY" symbol, and
7149 indicates that Perl should be built to use multiplicity.
7150 "usemymalloc"
7152 From mallocsrc.U:
7153 This variable contains y if the malloc that comes with this package
7155 is desired over the system's version of malloc. People often
7156 include special versions of malloc for effiency, but such versions
7157 are often less portable. See also mallocsrc and mallocobj. If
7158 this is "y", then -lmalloc is removed from $libs.
7159 "usenm"
7161 From usenm.U:
7162 This variable contains "true" or "false" depending whether the nm
7164 extraction is wanted or not.
7165 "useopcode"
7167 From Extensions.U:
7168 This variable holds either "true" or "false" to indicate whether
7170 the Opcode extension should be used. The sole use for this
7171 currently is to allow an easy mechanism for users to skip the
7172 Opcode extension from the Configure command line.
7173 "useperlio"
7175 From useperlio.U:
7176 This variable conditionally defines the "USE_PERLIO" symbol, and
7178 indicates that the PerlIO abstraction should be used throughout.
7179 "useposix"
7181 From Extensions.U:
7182 This variable holds either "true" or "false" to indicate whether
7184 the "POSIX" extension should be used. The sole use for this
7185 currently is to allow an easy mechanism for hints files to indicate
7186 that "POSIX" will not compile on a particular system.
7187 "usereentrant"
7189 From usethreads.U:
7190 This variable conditionally defines the "USE_REENTRANT_API" symbol,
7192 which indicates that the thread code may try to use the various _r
7193 versions of library functions. This is only potentially meaningful
7194 if usethreads is set and is very experimental, it is not even
7195 prompted for.
7196 "userelocatableinc"
7198 From bin.U:
7199 This variable is set to true to indicate that perl should relocate
7201 @"INC" entries at runtime based on the path to the perl binary.
7202 Any @"INC" paths starting .../ are relocated relative to the
7203 directory containing the perl binary, and a logical cleanup of the
7204 path is then made around the join point (removing dir/../ pairs)
7205 "usesfio"
7207 From d_sfio.U:
7208 This variable is set to true when the user agrees to use sfio. It
7210 is set to false when sfio is not available or when the user
7211 explicitely requests not to use sfio. It is here primarily so that
7212 command-line settings can override the auto-detection of d_sfio
7213 without running into a "WHOA THERE".
7214 "useshrplib"
7216 From libperl.U:
7217 This variable is set to "true" if the user wishes to build a shared
7219 libperl, and "false" otherwise.
7220 "usesitecustomize"
7222 From d_sitecustomize.U:
7223 This variable is set to true when the user requires a mechanism
7225 that allows the sysadmin to add entries to @"INC" at runtime. This
7226 variable being set, makes perl run $sitelib/sitecustomize.pl at
7227 startup.
7228 "usesocks"
7230 From usesocks.U:
7231 This variable conditionally defines the "USE_SOCKS" symbol, and
7233 indicates that Perl should be built to use "SOCKS".
7234 "usethreads"
7236 From usethreads.U:
7237 This variable conditionally defines the "USE_THREADS" symbol, and
7239 indicates that Perl should be built to use threads.
7240 "usevendorprefix"
7242 From vendorprefix.U:
7243 This variable tells whether the vendorprefix and consequently other
7245 vendor* paths are in use.
7246 "usevfork"
7248 From d_vfork.U:
7249 This variable is set to true when the user accepts to use vfork.
7251 It is set to false when no vfork is available or when the user
7252 explicitely requests not to use vfork.
7253 "usrinc"
7255 From usrinc.U:
7256 This variable holds the path of the include files, which is usually
7258 /usr/include. It is mainly used by other Configure units.
7259 "uuname"
7261 From Loc.U:
7262 This variable is defined but not used by Configure. The value is
7264 the empty string and is not useful.
7265 "uvoformat"
7267 From perlxvf.U:
7268 This variable contains the format string used for printing a Perl
7270 "UV" as an unsigned octal integer.
7271 "uvsize"
7273 From perlxv.U:
7274 This variable is the size of a "UV" in bytes.
7276 "uvtype"
7278 From perlxv.U:
7279 This variable contains the C type used for Perl's "UV".
7281 "uvuformat"
7283 From perlxvf.U:
7284 This variable contains the format string used for printing a Perl
7286 "UV" as an unsigned decimal integer.
7287 "uvxformat"
7289 From perlxvf.U:
7290 This variable contains the format string used for printing a Perl
7292 "UV" as an unsigned hexadecimal integer in lowercase abcdef.
7293 "uvXUformat"
7295 From perlxvf.U:
7296 This variable contains the format string used for printing a Perl
7298 "UV" as an unsigned hexadecimal integer in uppercase "ABCDEF".
7299 v
7301 "vaproto"
7302 From vaproto.U:
7303 This variable conditionally defines "CAN_VAPROTO" on systems
7305 supporting prototype declaration of functions with a variable
7306 number of arguments. See also prototype.
7307 "vendorarch"
7309 From vendorarch.U:
7310 This variable contains the value of the "PERL_VENDORARCH" symbol.
7312 It may have a ~ on the front. The standard distribution will put
7313 nothing in this directory. Vendors who distribute perl may wish to
7314 place their own architecture-dependent modules and extensions in
7315 this directory with MakeMaker Makefile.PL "INSTALLDIRS"=vendor or
7316 equivalent. See "INSTALL" for details.
7317 "vendorarchexp"
7319 From vendorarch.U:
7320 This variable is the ~name expanded version of vendorarch, so that
7322 you may use it directly in Makefiles or shell scripts.
7323 "vendorbin"
7325 From vendorbin.U:
7326 This variable contains the eventual value of the "VENDORBIN"
7328 symbol. It may have a ~ on the front. The standard distribution
7329 will put nothing in this directory. Vendors who distribute perl
7330 may wish to place additional binaries in this directory with
7331 MakeMaker Makefile.PL "INSTALLDIRS"=vendor or equivalent. See
7332 "INSTALL" for details.
7333 "vendorbinexp"
7335 From vendorbin.U:
7336 This variable is the ~name expanded version of vendorbin, so that
7338 you may use it directly in Makefiles or shell scripts.
7339 "vendorhtml1dir"
7341 From vendorhtml1dir.U:
7342 This variable contains the name of the directory for html pages.
7344 It may have a ~ on the front. The standard distribution will put
7345 nothing in this directory. Vendors who distribute perl may wish to
7346 place their own html pages in this directory with MakeMaker
7347 Makefile.PL "INSTALLDIRS"=vendor or equivalent. See "INSTALL" for
7348 details.
7349 "vendorhtml1direxp"
7351 From vendorhtml1dir.U:
7352 This variable is the ~name expanded version of vendorhtml1dir, so
7354 that you may use it directly in Makefiles or shell scripts.
7355 "vendorhtml3dir"
7357 From vendorhtml3dir.U:
7358 This variable contains the name of the directory for html library
7360 pages. It may have a ~ on the front. The standard distribution
7361 will put nothing in this directory. Vendors who distribute perl
7362 may wish to place their own html pages for modules and extensions
7363 in this directory with MakeMaker Makefile.PL "INSTALLDIRS"=vendor
7364 or equivalent. See "INSTALL" for details.
7365 "vendorhtml3direxp"
7367 From vendorhtml3dir.U:
7368 This variable is the ~name expanded version of vendorhtml3dir, so
7370 that you may use it directly in Makefiles or shell scripts.
7371 "vendorlib"
7373 From vendorlib.U:
7374 This variable contains the eventual value of the "VENDORLIB"
7376 symbol, which is the name of the private library for this package.
7377 The standard distribution will put nothing in this directory.
7378 Vendors who distribute perl may wish to place their own modules in
7379 this directory with MakeMaker Makefile.PL "INSTALLDIRS"=vendor or
7380 equivalent. See "INSTALL" for details.
7381 "vendorlib_stem"
7383 From vendorlib.U:
7384 This variable is $vendorlibexp with any trailing version-specific
7386 component removed. The elements in inc_version_list
7387 (inc_version_list.U) can be tacked onto this variable to generate a
7388 list of directories to search.
7389 "vendorlibexp"
7391 From vendorlib.U:
7392 This variable is the ~name expanded version of vendorlib, so that
7394 you may use it directly in Makefiles or shell scripts.
7395 "vendorman1dir"
7397 From vendorman1dir.U:
7398 This variable contains the name of the directory for man1 pages.
7400 It may have a ~ on the front. The standard distribution will put
7401 nothing in this directory. Vendors who distribute perl may wish to
7402 place their own man1 pages in this directory with MakeMaker
7403 Makefile.PL "INSTALLDIRS"=vendor or equivalent. See "INSTALL" for
7404 details.
7405 "vendorman1direxp"
7407 From vendorman1dir.U:
7408 This variable is the ~name expanded version of vendorman1dir, so
7410 that you may use it directly in Makefiles or shell scripts.
7411 "vendorman3dir"
7413 From vendorman3dir.U:
7414 This variable contains the name of the directory for man3 pages.
7416 It may have a ~ on the front. The standard distribution will put
7417 nothing in this directory. Vendors who distribute perl may wish to
7418 place their own man3 pages in this directory with MakeMaker
7419 Makefile.PL "INSTALLDIRS"=vendor or equivalent. See "INSTALL" for
7420 details.
7421 "vendorman3direxp"
7423 From vendorman3dir.U:
7424 This variable is the ~name expanded version of vendorman3dir, so
7426 that you may use it directly in Makefiles or shell scripts.
7427 "vendorprefix"
7429 From vendorprefix.U:
7430 This variable holds the full absolute path of the directory below
7432 which the vendor will install add-on packages. See "INSTALL" for
7433 usage and examples.
7434 "vendorprefixexp"
7436 From vendorprefix.U:
7437 This variable holds the full absolute path of the directory below
7439 which the vendor will install add-on packages. Derived from
7440 vendorprefix.
7441 "vendorscript"
7443 From vendorscript.U:
7444 This variable contains the eventual value of the "VENDORSCRIPT"
7446 symbol. It may have a ~ on the front. The standard distribution
7447 will put nothing in this directory. Vendors who distribute perl
7448 may wish to place additional executable scripts in this directory
7449 with MakeMaker Makefile.PL "INSTALLDIRS"=vendor or equivalent. See
7450 "INSTALL" for details.
7451 "vendorscriptexp"
7453 From vendorscript.U:
7454 This variable is the ~name expanded version of vendorscript, so
7456 that you may use it directly in Makefiles or shell scripts.
7457 "version"
7459 From patchlevel.U:
7460 The full version number of this package, such as 5.6.1 (or 5_6_1).
7462 This combines revision, patchlevel, and subversion to get the full
7463 version number, including any possible subversions. This is
7464 suitable for use as a directory name, and hence is filesystem
7465 dependent.
7466 "version_patchlevel_string"
7468 From patchlevel.U:
7469 This is a string combining version, subversion and perl_patchlevel
7471 (if perl_patchlevel is non-zero). It is typically something like
7472 'version 7 subversion 1' or 'version 7 subversion 1 patchlevel
7473 11224' It is computed here to avoid duplication of code in
7474 myconfig.SH and lib/Config.pm.
7475 "versiononly"
7477 From versiononly.U:
7478 If set, this symbol indicates that only the version-specific
7480 components of a perl installation should be installed. This may be
7481 useful for making a test installation of a new version without
7482 disturbing the existing installation. Setting versiononly is
7483 equivalent to setting installperl's -v option. In particular, the
7484 non-versioned scripts and programs such as a2p, c2ph, h2xs, pod2*,
7485 and perldoc are not installed (see "INSTALL" for a more complete
7486 list). Nor are the man pages installed. Usually, this is undef.
7487 "vi"
7489 From Loc.U:
7490 This variable is defined but not used by Configure. The value is
7492 the empty string and is not useful.
7493 "voidflags"
7495 From voidflags.U:
7496 This variable contains the eventual value of the "VOIDFLAGS"
7498 symbol, which indicates how much support of the void type is given
7499 by this compiler. See "VOIDFLAGS" for more info.
7500 x
7502 "xlibpth"
7503 From libpth.U:
7504 This variable holds extra path (space-separated) used to find
7506 libraries on this platform, for example "CPU"-specific libraries
7507 (on multi-"CPU" platforms) may be listed here.
7508 y
7510 "yacc"
7511 From yacc.U:
7512 This variable holds the name of the compiler compiler we want to
7514 use in the Makefile. It can be yacc, byacc, or bison -y.
7515 "yaccflags"
7517 From yacc.U:
7518 This variable contains any additional yacc flags desired by the
7520 user. It is up to the Makefile to use this.
7521 z
7523 "zcat"
7524 From Loc.U:
7525 This variable is defined but not used by Configure. The value is
7527 the empty string and is not useful.
7528 "zip"
7530 From Loc.U:
7531 This variable is used internally by Configure to determine the full
7533 pathname (if any) of the zip program. After Configure runs, the
7534 value is reset to a plain "zip" and is not useful.
7535
7537 Information on the git commit from which the current perl binary was
7538 compiled can be found in the variable $Config::Git_Data. The variable
7539 is a structured string that looks something like this:
7540 git_commit_id='ea0c2dbd5f5ac6845ecc7ec6696415bf8e27bd52'
7542 git_describe='GitLive-blead-1076-gea0c2db'
7543 git_branch='smartmatch'
7544 git_uncommitted_changes=''
7545 git_commit_id_title='Commit id:'
7546 git_commit_date='2009-05-09 17:47:31 +0200'
7547 Its format is not guaranteed not to change over time.
7549
7551 This module contains a good example of how to use tie to implement a
7552 cache and an example of how to make a tied variable readonly to those
7553 outside of it.
7554perl v5.12.4 2011-11-04 Config(3pm)