use ExtUtils::MakeMaker;

use Config;

my $lib = '-lcrypto';

my $inc = '';

my $nul = $^O eq 'MSWin32' ? 'nul' : '/dev/null';

if (my $dir = $ENV{OPENSSL_PREFIX}) {

  $lib = "-L$dir/lib -lcrypto";

  $inc = "-I$dir/include";

}

elsif ($ENV{OPENSSL_LIB}) {

  $lib = $ENV{OPENSSL_LIB};

  $inc = $ENV{OPENSSL_INCLUDE};

}

elsif (`pkg-config --modversion libcrypto 2>$nul`) {

  $lib = `pkg-config --libs libcrypto 2> $nul`;

  $inc = `pkg-config --cflags libcrypto 2> $nul`;

}

elsif ($^O eq 'MSWin32') {

  $lib = '-llibeay32' if $Config{cc} =~ /cl/;

  $lib = '-leay32'    if $Config{cc} =~ /gcc/;

}

$lib =~ s/[\r\n]+/ /g;

$inc =~ s/[\r\n]+/ /g;

WriteMakefile(

    'NAME'              => 'Crypt::OpenSSL::Bignum',

    'VERSION_FROM'      => 'Bignum.pm',

    'PREREQ_PM'         => {},

    'ABSTRACT_FROM'     => 'Bignum.pm', # retrieve abstract from module

    'AUTHOR'            => 'Ian Robertson <iroberts@cpan.org>',

    'LICENSE'           => 'perl',

    'LIBS'              => [ $lib ],

    'DEFINE'            => '-DPERL5 -DOPENSSL_NO_KRB5',

    # perl-5.8/gcc-3.2 needs -DPERL5, and redhat9 likes -DOPENSSL_NO_KRB5

    'INC'               => $inc,

    'MIN_PERL_VERSION'  => '5.006002',

    'META_MERGE'        => {

      resources => {

        repository => 'https://github.com/kmx/perl-Crypt-OpenSSL-Bignum',

      },

    },

    dist => { TARFLAGS => '--owner=0 --group=0 -cvf' },

);