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.\" ========================================================================
.\"
.IX Title "Config::Extensions 3"
.TH Config::Extensions 3 "2012-09-11" "perl v5.12.5" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Config::Extensions \- hash lookup of which core extensions were built.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\&    use Config::Extensions \*(Aq%Extensions\*(Aq;
\&    if ($Extensions{PerlIO::via}) {
\&        # This perl has PerlIO::via built
\&    }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The Config::Extensions module provides a hash \f(CW%Extensions\fR 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:
.IP "dynamic" 4
.IX Item "dynamic"
The extension is dynamically linked
.IP "nonxs" 4
.IX Item "nonxs"
The extension is pure perl, so doesn't need linking to the perl executable
.IP "static" 4
.IX Item "static"
The extension is statically linked to the perl binary
.PP
As all values evaluate to true, a simple \f(CW\*(C`if\*(C'\fR test is good enough to determine
whether an extension is present.
.PP
All the data uses to generate the \f(CW%Extensions\fR hash is already present in
the \f(CW\*(C`Config\*(C'\fR module, but not in such a convenient format to quickly reference.
.SH "AUTHOR"
.IX Header "AUTHOR"
Nicholas Clark <nick@ccl4.org>


.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (5)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	runtime/perl-512
=
Stability	Uncommitted
.TE 
.PP

.SH NOTES

.\" Oracle has added source availability information to this manual page
This software was built from source available at https://java.net/projects/solaris-userland.  The original community source was downloaded from  http://www.cpan.org/src/5.0/perl-5.12.5.tar.bz2

Further information about this software can be found on the open source community website at http://www.perl.org/.