perl/djgpp/fixpmain

34 lines
1.1 KiB
Perl

#!perl -w
# Fix perlmain.c under DOS (short & case insensitive filenames).
# Called from Makefile.aperl when needed.
# You don't need this when LFN=y.
use Config;
open (PERLM, '<', 'perlmain.c') or die "Can't load perlmain.c: $!";
open (MAKEFILE, '<', 'makefile.pl') or die "Can't load makefile.pl: $!";
undef $/;
$perlmain=<PERLM>;
$makefile=<MAKEFILE>;
($_) = $makefile =~ /\bNAME\b.*=>\W*([\w\:]+)/; # extract module name
$badname=join ("__",map {lc substr ($_,0,8)} split /:+/); # DOSify
$perlmain =~ s/^.*boot_$badname.*$//gm if $badname; # delete bad lines
@exts=('DynaLoader',split (" ",$Config{known_extensions}));
for $realname (@exts)
{
$dosname=join ("__",map {lc substr ($_,0,8)} split /\//,$realname);
$realname =~ s!/!__!g;
$perlmain =~ s/\bboot_$dosname\b/boot_$realname/gm;
$dosname =~ s/__/::/;
$realname =~ s/__/::/;
$perlmain =~ s/\b$dosname(::bootstrap)/$realname$1/gm;
}
#DynaLoader is special
$perlmain =~ s/(DynaLoader:\:boot)strap/$1_DynaLoader/gm;
open (PERLM, '>', 'perlmain.c') or die "Can't write perlmain.c: $!";
print PERLM $perlmain;