# Module makefile for threads (using ExtUtils::MakeMaker)

require 5.008;

use strict;
use warnings;

use ExtUtils::MakeMaker;


# Used to check for a 'C' compiler
sub check_cc
{
    require File::Spec;

    my $cmd = $_[0];
    if (-x $cmd or MM->maybe_command($cmd)) {
        return (1);       # CC command found
    }
    for my $dir (File::Spec->path(), '.') {
        my $abs = File::Spec->catfile($dir, $cmd);
        if (-x $abs or MM->maybe_command($abs)) {
            return (1);   # CC command found
        }
    }
    return;
}

sub have_cc
{
    eval { require Config_m; };     # ExtUtils::FakeConfig (+ ActivePerl)
    if ($@) {
        eval { require Config; };   # Everyone else
    }
    my @chunks = split(/ /, $Config::Config{cc});
    # $Config{cc} may contain args; try to find out the program part
    while (@chunks) {
        if (check_cc("@chunks")) {
            return (1);   # CC command found
        }
        pop(@chunks);
    }
    return;
}

# Verify that a 'C' compiler is available
if (! have_cc()) {
    die("OS unsupported:  ERROR: No 'C' compiler found to build 'threads'\n");
}


# Create Makefile
WriteMakefile(
    'NAME'          => 'threads',

    'AUTHOR'        => 'Artur Bergman, Jerry D. Hedden <jdhedden AT cpan DOT org>',

    'VERSION_FROM'  => 'lib/threads.pm',
    'ABSTRACT_FROM' => 'lib/threads.pm',

    'PREREQ_PM'     => {
        'strict'            => 0,
        'warnings'          => 0,
        'overload'          => 0,
        'Config'            => 0,
        'Carp'              => 0,
        'XSLoader'          => 0,

        'Test::More'        => 0,
        'ExtUtils::testlib' => 0,
        'Hash::Util'        => 0,
        'IO::File'          => 0,
    },

    'DEFINE'        => '-DHAS_PPPORT_H',

    'INSTALLDIRS'   => (($] < 5.011) ? 'perl' : 'site'),

    ((ExtUtils::MakeMaker->VERSION() lt '6.25') ?
        ('PL_FILES' => { })            : ()),
    ((ExtUtils::MakeMaker->VERSION() gt '6.30') ?
        ('LICENSE'  => 'perl')         : ()),
);

# Additional 'make' targets
sub MY::postamble
{
    return <<'_EXTRAS_';
fixfiles:
	@dos2unix `cat MANIFEST`
	@$(CHMOD) 644 `cat MANIFEST`
	@$(CHMOD) 755 examples/*.pl

ppport:
	@( cd /tmp; perl -e 'use Devel::PPPort; Devel::PPPort::WriteFile("ppport.h");' )
	@if ! cmp -s ppport.h /tmp/ppport.h; then \
	    ( tkdiff ppport.h /tmp/ppport.h & ); \
	    perl /tmp/ppport.h; \
	fi
_EXTRAS_
}

# EOF