Makefile.PL.sombok

#-*- perl -*-
#-*- coding: us-ascii -*-

use ExtUtils::MakeMaker;
use Cwd;

my $define = '';
$define .= ' -DWIN32 -DPERL_STATIC_SYMS' if ($^O eq 'MSWin32');

my $pwd = cwd();

WriteMakefile(
    NAME      => 'sombok', # (doesn't matter what the name is here) oh yes it does
    DEFINE    => $define,
    INC       => "\"-I\$(PERL_INC)\" \"-I$pwd\$(DIRFILESEP)include\" @LIBTHAI_INC@", # force PERL_INC dir ahead of system -I's
    SKIP      => [qw(dynamic dynamic_lib dlsyms)],
    OBJECT    => '$(O_FILES)',
    clean     => {'FILES' => 'libsombok$(LIB_EXT)'},
    H         => [qw(include/sombok.h include/sombok_constants.h $(PERL_INC)/config.h)],
    C         => [qw(lib/break.c lib/charprop.c lib/gcstring.c lib/linebreak.c lib/southeastasian.c lib/utf8.c lib/utils.c lib/@UNICODE_VERSION@.c)]
);

sub MY::constants {
    package MY;
    my $self = shift;

    $self->{INST_STATIC} = 'libsombok$(LIB_EXT)';

    return $self->SUPER::constants();
}

sub MY::top_targets {
    my $r = '
all :: static
	$(NOECHO) $(NOOP)

config ::
	$(NOECHO) $(NOOP)

lint:
	lint -abchx $(LIBSRCS)

pure_all ::
	$(NOECHO) $(NOOP)

';
if ($ExtUtils::MakeMaker::VERSION >= 7.16) { #https://rt.cpan.org/Ticket/Display.html?id=117800
#when it would be fixed in EUMM, <= condition should be added
    $r .= '
dynamic ::
	$(NOECHO) $(NOOP)

';
}
    $r .= '
# This is a workaround, the problem is that our old GNU make exports
# variables into the environment so $(MYEXTLIB) is set in here to this
# value which can not be built.
sombok/libsombok.a:
	$(NOECHO) $(NOOP)
' unless $^O eq 'VMS';

    return $r;
}

sub MY::c_o {
    package MY;
    my $self = shift;
    my $inherited = $self->SUPER::c_o(@_);
    $inherited =~ s{(:\n\t)(.*(?:\n\t.*)*)}
	{ $1 . $self->cd('lib', split /(?<!\\)\n\t/, $2) }eg;
    $inherited =~ s{(\s)(\$\*\.c\s)}
	{ "$1..\$(DIRFILESEP)$2" }eg;
    $inherited =~ s{(-o\s)(\$\*\$\(OBJ_EXT\))}
	{ "$1..\$(DIRFILESEP)$2" }eg;
    $inherited;
}