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use alienfile;
use Path::Tiny qw( path );
use File::Glob qw( bsd_glob );
use Config;

my $compiler_type = meta_prop->{platform}->{compiler_type};

meta_prop->{my_makefile} = $compiler_type eq 'microsoft' ? 'makefile.msc' : 'Makefile';

plugin 'Probe::CBuilder' => (
  libs    => '-lbz2',
  version => qr/version = '(.*?)[,']/,
  program => q{
#include <bzlib.h>
#include <stdio.h>

int main(int argc, char *argv[])
{
  printf("version = '%s'\n", BZ2_bzlibVersion());
  return 0;
}
},
);

plugin 'Probe::CommandLine' => (
  command   => 'bzip2',
  secondary => 1,
);

share {

  plugin 'Build::MSYS' => () unless $compiler_type eq 'microsoft';

  plugin 'Download' => (
    url     => 'https://sourceforge.net/projects/bzip2/files/latest/download',
  );
  plugin Extract => 'tar.gz';
  
  patch [ '%{patch} -p1 < %{.install.patch}/bzip2-1.0.6.diff' ];
  
  my @build;
  
  push @build,
    [ '%{make}', -f => '%{.meta.my_makefile}', 'all', "CC=%{perl.config.cc}", "CFLAGS=%{perl.config.cccdlflags} %{perl.config.optimize}", ],
    [ '%{make}', -f => '%{.meta.my_makefile}', 'install', 'PREFIX=%{.install.prefix}', 'EXE=%{perl.config.exe_ext}' ];

  push @build, sub {
    my($build) = @_;
    my($version) = path(".")->absolute->basename =~ /([0-9\.]+)$/;
    $build->runtime_prop->{version} = $version;
  };
  
  if($^O !~ /^(MSWin32|cygwin|msys)$/)
  {
    push @build, [ '%{make}', -f => 'Makefile-libbz2_so', sub {
    
      my($build, $det) = @_;
      
      if($det->{exit} == 0)
      {
        my @dlls = grep { ! -l $_ } bsd_glob 'libbz2*.so*';
        my $dest = path($build->install_prop->{prefix})->child('dynamic');
        $dest->mkpath;
        path($_)->copy($dest->child($_))
          for @dlls;
      }
    }];
  }
  
  build \@build;

  gather sub {
    my($build) = @_;
    my $prefix = $build->runtime_prop->{prefix};

    $build->runtime_prop->{cflags}        = "-I$prefix/include ";
    $build->runtime_prop->{cflags_static} = "-I$prefix/include ";

    if($compiler_type eq 'microsoft')
    {
      $build->runtime_prop->{libs}          = "-LIBPATH:$prefix/lib libbz2.lib ";
      $build->runtime_prop->{libs_static}   = "-LIBPATH:$prefix/lib libbz2.lib ";
    }
    else
    {
      $build->runtime_prop->{cflags_static} .= ' -DBZ_STATIC=1';
      $build->runtime_prop->{libs}          = "-L$prefix/lib -lbz2 ";
      $build->runtime_prop->{libs_static}   = "-L$prefix/lib -lbz2 ";
    }
  };

};