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# The perl/C checking voodoo is stolen from Graham Barr's
# Scalar-List-Utils distribution.
use strict;
use ExtUtils::MakeMaker;
use Config qw(%Config);
use File::Spec;
my $no_xs;
for (@ARGV)
{
/^--pm/ and $no_xs = 1;
/^--xs/ and $no_xs = 0;
}
exit if defined $no_xs;
print "Testing if you have a C compiler\n";
unless ( open F, ">test.c" )
{
warn "Cannot write test.c, skipping test compilation and install pure Perl version.\n";
no_cc();
}
print F <<'EOF';
int main() { return 0; }
EOF
close F or no_cc();
system("$Config{make} test$Config{obj_ext}") and no_cc();
my @clean;
if ( -d 'CVS' )
{
local *DIR;
opendir DIR, "t" or die "Cannot read t: $!";
foreach my $file ( grep { /^\d.+\.t$/ } readdir DIR )
{
next if $file eq '99-pod.t';
my $real_file = File::Spec->catfile( 't', $file );
local *F;
open F, "<$real_file" or die "Cannot read $real_file: $!";
my $shbang = <F>;
my $test = do { local $/; <F> };
close F;
$test = "$shbang\nBEGIN { \$ENV{PV_TEST_PERL} = 1 }\n\n$test";
my $new_file = File::Spec->catfile( 't', "zz_$file" );
open F, ">$new_file" or die "Cannot write $new_file: $!";
print F $test;
close F;
push @clean, $new_file;
}
}
write_makefile();
sub write_makefile
{
print <<'EOF';
*** NOTE ***
You can safely ignore the warnings below about 'Too late to run
CHECK/INIT blocks'.
*************
EOF
my %prereq = ( 'Test::More' => 0 );
$prereq{'Attribute::Handlers'} = 0 if $] >= 5.006;
WriteMakefile( VERSION_FROM => "lib/Params/Validate.pm",
NAME => "Params::Validate",
PREREQ_PM => \%prereq,
CONFIGURE => \&init,
clean => { FILES => "test.c test.o @clean" },
( $] >= 5.005 ?
( ABSTRACT_FROM => 'lib/Params/Validate.pm',
AUTHOR => 'Dave Rolsky, <autarch@urth.org>') :
()
),
);
}
sub init
{
my $hash = $_[1];
if ($no_xs)
{
@{ $hash }{ 'XS', 'C' } = ( {}, [] );
}
$hash;
}
sub no_cc
{
$no_xs = 1;
print <<'EOF';
I cannot determine if you have a C compiler
so I will install a perl-only implementation
You can force installation of the XS version with
perl Makefile.PL --xs
EOF
write_makefile();
exit;
}
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