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#!./miniperl -w
use strict;
use Config;
use 5.012;
die "Can't fork" unless $Config{d_fork};
# Brute force testing for makedef.pl
#
# To use this...
#
# Before modifying makedef.pl, create your golden results:
#
# $ mkdir Gold
# $ ./perl -Ilib Porting/exercise_makedef.pl Gold/
# $ chmod -R -w Gold/
# $ mkdr Test
#
# then modify makedef.pl
#
# then test
#
# $ ./perl -Ilib Porting/exercise_makedef.pl Test
# $ diff -rpu Gold Test
my $prefix = shift;
die "$0 prefix" unless $prefix;
die "No such directory $prefix" unless -d $prefix;
my @unlink;
sub END {
unlink @unlink;
}
$SIG{INT} = sub { die }; # Trigger END processing
{
# needed for OS/2, so fake one up
my $mpm = 'miniperl.map';
die "$mpm exists" if -e $mpm;
open my $in, '<', 'av.c' or die "Can't open av.c: $!";
push @unlink, $mpm;
open my $out, '>', $mpm or die "Can't open $mpm: $!";
while (<$in>) {
print $out "f $1\n" if /^(Perl_[A-Za-z_0-9]+)\(pTHX/;
}
close $out or die "Can't close $mpm: $!";
}
my @args = (platform => [map {"PLATFORM=$_"} qw(aix win32 wince os2 netware vms test)],
cflags => ['', 'CCFLAGS=-Dperl=rules -Dzzz'],
Deq => ['', '-Dbeer=foamy'],
D => ['', '-DPERL_IMPLICIT_SYS'],
cctype => ['', map {"CCTYPE=$_"} qw (MSVC60 GCC)],
filetype => ['', 'FILETYPE=def', 'FILETYPE=imp'],
targ_dir => ['', 'TARG_DIR=t/../'],
);
sub expand {
my ($names, $args, $key, $vals, @rest) = @_;
if (defined $key) {
my $bad;
while (my ($i, $v) = each @$vals) {
$bad += expand([@$names, "$key=$i"], [@$args, $v], @rest);
}
return $bad;
}
# time to process something:
my $name = join ',', @$names;
my @args = grep {length} @$args;
$ENV{PERL5LIB} = join $Config{path_sep}, @INC;
my $pid = fork;
unless ($pid) {
open STDOUT, '>', "$prefix/$name.out"
or die "Can't open $prefix/$name.out: $!";
open STDERR, '>', "$prefix/$name.err"
or die "Can't open $prefix/$name.err: $!";
exec $^X, 'makedef.pl', @args;
die "Something went horribly wrong: $!";
}
die "Bad waitpid: $!" unless waitpid $pid, 0 == $pid;
if ($?) {
print STDERR "`$^X makedef.pl @args` failed with $?\n";
print STDERR "See output in $prefix/$name.err\n";
return 1;
}
return 0;
}
my $bad = expand([], [], @args);
exit($bad > 255 ? 255 : $bad);
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