source: perl/modules/Twitter/inc/Module/Install/Makefile.pm @ d27ecf3

#line 1
package Module::Install::Makefile;

use strict 'vars';
use ExtUtils::MakeMaker   ();
use Module::Install::Base ();

use vars qw{$VERSION @ISA $ISCORE};
BEGIN {
        $VERSION = '0.91';
        @ISA     = 'Module::Install::Base';
        $ISCORE  = 1;
}

sub Makefile { $_[0] }

my %seen = ();

sub prompt {
        shift;

        # Infinite loop protection
        my @c = caller();
        if ( ++$seen{"$c[1]|$c[2]|$_[0]"} > 3 ) {
                die "Caught an potential prompt infinite loop ($c[1]|$c[2]|$_[0])";
        }

        # In automated testing, always use defaults
        if ( $ENV{AUTOMATED_TESTING} and ! $ENV{PERL_MM_USE_DEFAULT} ) {
                local $ENV{PERL_MM_USE_DEFAULT} = 1;
                goto &ExtUtils::MakeMaker::prompt;
        } else {
                goto &ExtUtils::MakeMaker::prompt;
        }
}

sub makemaker_args {
        my $self = shift;
        my $args = ( $self->{makemaker_args} ||= {} );
        %$args = ( %$args, @_ );
        return $args;
}

# For mm args that take multiple space-seperated args,
# append an argument to the current list.
sub makemaker_append {
        my $self = sShift;
        my $name = shift;
        my $args = $self->makemaker_args;
        $args->{name} = defined $args->{$name}
                ? join( ' ', $args->{name}, @_ )
                : join( ' ', @_ );
}

sub build_subdirs {
        my $self    = shift;
        my $subdirs = $self->makemaker_args->{DIR} ||= [];
        for my $subdir (@_) {
                push @$subdirs, $subdir;
        }
}

sub clean_files {
        my $self  = shift;
        my $clean = $self->makemaker_args->{clean} ||= {};
          %$clean = (
                %$clean,
                FILES => join ' ', grep { length $_ } ($clean->{FILES} || (), @_),
        );
}

sub realclean_files {
        my $self      = shift;
        my $realclean = $self->makemaker_args->{realclean} ||= {};
          %$realclean = (
                %$realclean,
                FILES => join ' ', grep { length $_ } ($realclean->{FILES} || (), @_),
        );
}

sub libs {
        my $self = shift;
        my $libs = ref $_[0] ? shift : [ shift ];
        $self->makemaker_args( LIBS => $libs );
}

sub inc {
        my $self = shift;
        $self->makemaker_args( INC => shift );
}

my %test_dir = ();

sub _wanted_t {
        /\.t$/ and -f $_ and $test_dir{$File::Find::dir} = 1;
}

sub tests_recursive {
        my $self = shift;
        if ( $self->tests ) {
                die "tests_recursive will not work if tests are already defined";
        }
        my $dir = shift || 't';
        unless ( -d $dir ) {
                die "tests_recursive dir '$dir' does not exist";
        }
        %test_dir = ();
        require File::Find;
        File::Find::find( \&_wanted_t, $dir );
        $self->tests( join ' ', map { "$_/*.t" } sort keys %test_dir );
}

sub write {
        my $self = shift;
        die "&Makefile->write() takes no arguments\n" if @_;

        # Check the current Perl version
        my $perl_version = $self->perl_version;
        if ( $perl_version ) {
                eval "use $perl_version; 1"
                        or die "ERROR: perl: Version $] is installed, "
                        . "but we need version >= $perl_version";
        }

        # Make sure we have a new enough MakeMaker
        require ExtUtils::MakeMaker;

        if ( $perl_version and $self->_cmp($perl_version, '5.006') >= 0 ) {
                # MakeMaker can complain about module versions that include
                # an underscore, even though its own version may contain one!
                # Hence the funny regexp to get rid of it.  See RT #35800
                # for details.
                $self->build_requires( 'ExtUtils::MakeMaker' => $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/ );
                $self->configure_requires( 'ExtUtils::MakeMaker' => $ExtUtils::MakeMaker::VERSION =~ /^(\d+\.\d+)/ );
        } else {
                # Allow legacy-compatibility with 5.005 by depending on the
                # most recent EU:MM that supported 5.005.
                $self->build_requires( 'ExtUtils::MakeMaker' => 6.42 );
                $self->configure_requires( 'ExtUtils::MakeMaker' => 6.42 );
        }

        # Generate the MakeMaker params
        my $args = $self->makemaker_args;
        $args->{DISTNAME} = $self->name;
        $args->{NAME}     = $self->module_name || $self->name;
        $args->{VERSION}  = $self->version;
        $args->{NAME}     =~ s/-/::/g;
        if ( $self->tests ) {
                $args->{test} = { TESTS => $self->tests };
        }
        if ( $] >= 5.005 ) {
                $args->{ABSTRACT} = $self->abstract;
                $args->{AUTHOR}   = $self->author;
        }
        if ( eval($ExtUtils::MakeMaker::VERSION) >= 6.10 ) {
                $args->{NO_META} = 1;
        }
        if ( eval($ExtUtils::MakeMaker::VERSION) > 6.17 and $self->sign ) {
                $args->{SIGN} = 1;
        }
        unless ( $self->is_admin ) {
                delete $args->{SIGN};
        }

        # Merge both kinds of requires into prereq_pm
        my $prereq = ($args->{PREREQ_PM} ||= {});
        %$prereq = ( %$prereq,
                map { @$_ }
                map { @$_ }
                grep $_,
                ($self->configure_requires, $self->build_requires, $self->requires)
        );

        # Remove any reference to perl, PREREQ_PM doesn't support it
        delete $args->{PREREQ_PM}->{perl};

        # merge both kinds of requires into prereq_pm
        my $subdirs = ($args->{DIR} ||= []);
        if ($self->bundles) {
                foreach my $bundle (@{ $self->bundles }) {
                        my ($file, $dir) = @$bundle;
                        push @$subdirs, $dir if -d $dir;
                        delete $prereq->{$file};
                }
        }

        if ( my $perl_version = $self->perl_version ) {
                eval "use $perl_version; 1"
                        or die "ERROR: perl: Version $] is installed, "
                        . "but we need version >= $perl_version";
        }

        $args->{INSTALLDIRS} = $self->installdirs;

        my %args = map { ( $_ => $args->{$_} ) } grep {defined($args->{$_})} keys %$args;

        my $user_preop = delete $args{dist}->{PREOP};
        if (my $preop = $self->admin->preop($user_preop)) {
                foreach my $key ( keys %$preop ) {
                        $args{dist}->{$key} = $preop->{$key};
                }
        }

        my $mm = ExtUtils::MakeMaker::WriteMakefile(%args);
        $self->fix_up_makefile($mm->{FIRST_MAKEFILE} || 'Makefile');
}

sub fix_up_makefile {
        my $self          = shift;
        my $makefile_name = shift;
        my $top_class     = ref($self->_top) || '';
        my $top_version   = $self->_top->VERSION || '';

        my $preamble = $self->preamble
                ? "# Preamble by $top_class $top_version\n"
                        . $self->preamble
                : '';
        my $postamble = "# Postamble by $top_class $top_version\n"
                . ($self->postamble || '');

        local *MAKEFILE;
        open MAKEFILE, "< $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
        my $makefile = do { local $/; <MAKEFILE> };
        close MAKEFILE or die $!;

        $makefile =~ s/\b(test_harness\(\$\(TEST_VERBOSE\), )/$1'inc', /;
        $makefile =~ s/( -I\$\(INST_ARCHLIB\))/ -Iinc$1/g;
        $makefile =~ s/( "-I\$\(INST_LIB\)")/ "-Iinc"$1/g;
        $makefile =~ s/^(FULLPERL = .*)/$1 "-Iinc"/m;
        $makefile =~ s/^(PERL = .*)/$1 "-Iinc"/m;

        # Module::Install will never be used to build the Core Perl
        # Sometimes PERL_LIB and PERL_ARCHLIB get written anyway, which breaks
        # PREFIX/PERL5LIB, and thus, install_share. Blank them if they exist
        $makefile =~ s/^PERL_LIB = .+/PERL_LIB =/m;
        #$makefile =~ s/^PERL_ARCHLIB = .+/PERL_ARCHLIB =/m;

        # Perl 5.005 mentions PERL_LIB explicitly, so we have to remove that as well.
        $makefile =~ s/(\"?)-I\$\(PERL_LIB\)\1//g;

        # XXX - This is currently unused; not sure if it breaks other MM-users
        # $makefile =~ s/^pm_to_blib\s+:\s+/pm_to_blib :: /mg;

        open  MAKEFILE, "> $makefile_name" or die "fix_up_makefile: Couldn't open $makefile_name: $!";
        print MAKEFILE  "$preamble$makefile$postamble" or die $!;
        close MAKEFILE  or die $!;

        1;
}

sub preamble {
        my ($self, $text) = @_;
        $self->{preamble} = $text . $self->{preamble} if defined $text;
        $self->{preamble};
}

sub postamble {
        my ($self, $text) = @_;
        $self->{postamble} ||= $self->admin->postamble;
        $self->{postamble} .= $text if defined $text;
        $self->{postamble}
}

1;

__END__

#line 394