1Config::Extensions(3pm)Perl Programmers Reference GuideConfig::Extensions(3pm)
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NAME

6       Config::Extensions - hash lookup of which core extensions were built.
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SYNOPSIS

9           use Config::Extensions '%Extensions';
10           if ($Extensions{PerlIO::via}) {
11               # This perl has PerlIO::via built
12           }
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DESCRIPTION

15       The Config::Extensions module provides a hash %Extensions containing
16       all the core extensions that were enabled for this perl. The hash is
17       keyed by extension name, with each entry having one of 3 possible
18       values:
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20       dynamic
21           The extension is dynamically linked
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23       nonxs
24           The extension is pure perl, so doesn't need linking to the perl
25           executable
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27       static
28           The extension is statically linked to the perl binary
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30       As all values evaluate to true, a simple "if" test is good enough to
31       determine whether an extension is present.
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33       All the data uses to generate the %Extensions hash is already present
34       in the "Config" module, but not in such a convenient format to quickly
35       reference.
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AUTHOR

38       Nicholas Clark <nick@ccl4.org>
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42perl v5.32.1                      2021-05-31           Config::Extensions(3pm)
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