1LDD(1) Linux Programmer's Manual LDD(1)
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6 ldd - print shared library dependencies
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9 ldd [OPTION]... FILE...
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12 ldd prints the shared libraries required by each program or shared
13 library specified on the command line.
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16 --version
17 Print the version number of ldd.
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19 -v --verbose
20 Print all information, including, for example, symbol versioning
21 information.
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23 -u --unused
24 Print unused direct dependencies. (Since glibc 2.3.4.)
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26 -d --data-relocs
27 Perform relocations and report any missing objects (ELF only).
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29 -r --function-relocs
30 Perform relocations for both data objects and functions, and
31 report any missing objects or functions (ELF only).
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33 --help Usage information.
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36 The standard version of ldd comes with glibc2. Libc5 came with an
37 older version, still present on some systems. The long options are not
38 supported by the libc5 version. On the other hand, the glibc2 version
39 does not support -V and only has the equivalent --version.
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41 The libc5 version of this program will use the name of a library given
42 on the command line as-is when it contains a '/'; otherwise it searches
43 for the library in the standard locations. To run it on a shared
44 library in the current directory, prefix the name with "./".
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47 ldd does not work on a.out shared libraries.
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49 ldd does not work with some extremely old a.out programs which were
50 built before ldd support was added to the compiler releases. If you
51 use ldd on one of these programs, the program will attempt to run with
52 argc = 0 and the results will be unpredictable.
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55 ld.so(8), ldconfig(8)
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58 This page is part of release 3.22 of the Linux man-pages project. A
59 description of the project, and information about reporting bugs, can
60 be found at http://www.kernel.org/doc/man-pages/.
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64 2000-10-30 LDD(1)