NAME
   ExtUtils::PkgConfig - simplistic interface to pkg-config

SYNOPSIS
    use ExtUtils::PkgConfig;

    $package = 'gtk+-2.0';

    %pkg_info = ExtUtils::PkgConfig->find ($package);
    print "modversion:  $pkg_info{modversion}\n";
    print "cflags:      $pkg_info{cflags}\n";
    print "libs:        $pkg_info{libs}\n";

    $modversion = ExtUtils::PkgConfig->modversion($package);

    $libs = ExtUtils::PkgConfig->libs($package);

    $cflags = ExtUtils::PkgConfig->cflags($package);

    $lib_only_L = ExtUtils::PkgConfig->libs_only_L($package);

    $lib_only_l = ExtUtils::PkgConfig->libs_only_l($package);

    $var_value = ExtUtils::PkgConfig->variable($package,$var);

    if (ExtUtils::PkgConfig->atleast_version($package,$version)) {
       ...
    }

    if (ExtUtils::PkgConfig->exact_version($package,$version)) {
       ...
    }

    if (ExtUtils::PkgConfig->max_version($package,$version)) {
       ...
    }

DESCRIPTION
   The pkg-config program retrieves information about installed libraries,
   usually for the purposes of compiling against and linking to them.

   ExtUtils::PkgConfig is a very simplistic interface to this utility,
   intended for use in the Makefile.PL of perl extensions which bind
   libraries that pkg-config knows. It is really just boilerplate code that
   you would've written yourself.

 USAGE
   HASH = ExtUtils::PkgConfig->find (STRING, [STRING, ...])
       Call pkg-config on the library specified by *STRING* (you'll have to
       know what to use here). The returned *HASH* contains the modversion,
       cflags, and libs values under keys with those names. If multiple
       STRINGS are passed they are attempted in the order they are given
       till a working package is found.

       If pkg-config fails to find a working *STRING*, this function croaks
       with a message intended to be helpful to whomever is attempting to
       compile your package.

       For example:

         *** can not find package bad1
         *** check that it is properly installed and available
         *** in PKG_CONFIG_PATH

       or

         *** can't find cflags for gtk+-2.0
         *** is it properly installed and available in PKG_CONFIG_PATH?

   STRING = ExtUtils::PkgConfig->create_version_macros (PACKAGE, STEM)
       Create a set of version macros with the prefix *STEM* for the
       library specified by *PACKAGE*. The result is returned.

       Example input would be "gtk+-2.0" for *PACKAGE* and "GTK" for
       *STEM*.

   ExtUtils::PkgConfig->write_version_macros (FILE, PACKAGE, STEM,
   [PACKAGE, STEM, ...])
       Create one or more sets of version macros for the libraries and
       prefixes specified by the *PACKAGE* and *STEM* pairs and write them
       to the file *FILE*. If it doesn't exist, *FILE* will be created. If
       it does exist, it will be overwritten.

SEE ALSO
   ExtUtils::PkgConfig was designed to work with ExtUtils::Depends for
   compiling the various modules of the gtk2-perl project.

     L<ExtUtils::Depends>

     L<http://gtk2-perl.sourceforge.net/>

   This module is really just an interface to the pkg-config utility
   program. http://www.freedesktop.org/Software/pkgconfig

AUTHORS
   muppet <scott at asofyet dot org>.

COPYRIGHT AND LICENSE
   Copyright 2003-2004 by muppet, Ross McFarland, and the gtk2-perl team

   This library is free software; you can redistribute it and/or modify it
   under the terms of the Lesser General Public License (LGPL). For more
   information, see http://www.fsf.org/licenses/lgpl.txt

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