Config::Extensions(3p) | Perl Programmers Reference Guide | Config::Extensions(3p)

# NAME

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

# SYNOPSIS

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

# DESCRIPTION

The Config::Extensions module provides a hash %Extensions containing all the core extensions that were enabled for this perl. The hash is keyed by extension name, with each entry having one of 3 possible values:

dynamic
  The extension is dynamically linked
nonxs
  The extension is pure perl, so doesn't need linking to the perl executable
static
  The extension is statically linked to the perl binary

As all values evaluate to true, a simple "if" test is good enough to determine whether an extension is present.

All the data uses to generate the %Extensions hash is already present in the "Config" module, but not in such a convenient format to quickly reference.

# AUTHOR

Nicholas Clark <nick@ccl4.org>

2019-12-30 | perl v5.40.1