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use 5.010;
use alienfile;
use Sort::Versions;

my $on_windows = $^O =~ /mswin/i;
my $on_automated_rig
  =  $ENV{PERL_CPAN_REPORTER_DIR}
  || $ENV{PERL_CPAN_REPORTER_CONFIG}
  || $ENV{AUTOMATED_TESTING}
  || $ENV{TRAVIS}
  || $ENV{APPVEYOR};


use Cwd;
my $base_dir = getcwd();

#  make libtool noisy for debug purposes
#$ENV{LTFLAGS} = "--debug --verbose" if $on_windows;



my $min_target_version = '1.0.4';

plugin 'PkgConfig' => (
    pkg_name => 'freexl',
    minimum_version => $min_target_version,
);


share {

  my $with_local = '';
  my $with_cpp11 = '';

  #  need to work out how to get latest
  start_url 'https://www.gaia-gis.it/gaia-sins/freexl-sources/';
  plugin Download => (
    filter  => qr/^freexl-([0-9\.]+)\.tar\.gz$/,
    version => qr/^freexl-([0-9\.]+)\.tar\.gz$/,
  );

  my $lib_version = get_lib_version() // 'not yet defined';
  say "Downloaded version is $lib_version";
  
  plugin Extract => (format => 'tar.gz');


  plugin 'Build::Autoconf' => ();

  my $build_static = ($^O =~ /mswin/i) ? '' : '--disable-shared';
  $build_static = '';
  $build_static = '--enable-static=no';  #  override - needed?  leftover from gdal
  $build_static = '' if $ENV{FORCE_DYNAMIC};
  
  
  if ($^O =~ /bsd/) {
    plugin 'Build::Make' => 'gmake';
    if (-d '/usr/local') {
        $with_local = ' --with-local=/usr/local ';
    }
  }
  elsif ($^O =~ /dragonfly/) {
    #  might need to be combined with bsd check above
    #  but not sure if /usr/local is needed yet
    plugin 'Build::Make' => 'gmake';
  }

  my $make_cmd = '%{make}';
  my $make_inst_cmd = '%{make} install';
  my @make_clean;
  #  try not to exceed the cpan-testers log limits
  if ($on_automated_rig) {
    say "Running under CI or automated testing";
    $make_cmd      .= q/ | perl -ne "BEGIN {$|=1; open our $log, q|>|, q|build.log|};   print qq|\n| if 0 == ($. %% 100); print q|.|; print {$log} $_;" || type build.log/;
    $make_inst_cmd .= q/ | perl -ne "BEGIN {$|=1; open our $log, q|>|, q|install.log|}; print qq|\n| if 0 == ($. %% 100); print q|.|; print {$log} $_;" || type install.log/;
    if (!$on_windows) {
        $make_cmd =~ s/%%/%/;
        $make_cmd =~ s/type/cat/;
        $make_cmd =~ s/"/'/g;
        $make_inst_cmd =~ s/%%/%/;
        $make_inst_cmd =~ s/type/cat/;
        $make_inst_cmd =~ s/"/'/g;
    }
    #if (! ($ENV{TRAVIS} || $ENV{APPVEYOR})) {
    #    push @make_clean, '%{make} clean';
    #}
    #  clean up the build dir on cpan testers etc
    plugin 'Cleanse::BuildDir';
  }
  
  build [
    "%{configure} $with_local $with_cpp11 $build_static --disable-xmldocs",
    \&pause,
    $make_cmd,
    $make_inst_cmd,
    #@make_clean
  ];

};


gather [
    \&rename_la_files,
];

sub rename_la_files {
    #  need to return if not share
    return if !$on_windows;
    
    use File::Find::Rule;
    my @la_files
      = File::Find::Rule->file()
                        ->name( '*.la' )
                        ->in( '.' );
    foreach my $file (@la_files) {
        say "Renaming $file so it will not intefere with gdal compilation";
        rename $file, $file . '.bak';
    }

}


sub pause {
    return;  #  re-enable in case of debug
    return if $on_automated_rig;
    return if !$on_windows;

    say "CONTINUE?";
    my $response = <>;
    while (not $response =~ /yes/) {
        $response = <>;
    }
}


sub get_lib_version {
    my $h = get_alien_state_hash();
    return $h->{runtime}{version};
}

sub get_alien_state_hash {
    use JSON::PP;
    my $root = "$base_dir/_alien";
    my $f = "$root/state.json";
    my $h = {};
    if (-e $f) {
        open my $fh, '<', $f or die $!;
        my $d = do {
            local $/ = undef;
            <$fh>;
        };
        $h = JSON::PP::decode_json($d);
    }
    return $h;
}