use 5.006;
use strict;
use warnings;
use ExtUtils::MakeMaker;
use Config qw(%Config);
use File::Spec;
my $no_xs;
my $force_xs;
for (@ARGV)
{
/^--pm/ and $no_xs = 1;
/^--xs/ and $no_xs = 0;
}
if ($no_xs)
{
write_makefile();
exit;
}
unless (defined $no_xs)
{
check_for_compiler()
or no_cc();
if ( -d '.svn' )
{
local *DIR;
opendir DIR, "t" or die "Cannot read t: $!";
foreach my $file ( grep { /^\d.+\.t$/ } readdir DIR )
{
next if $file =~ /^99/;
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;
}
}
}
write_makefile();
sub write_makefile
{
my %prereq =
( 'Test::More' => 0,
'Scalar::Util' => 0,
);
$prereq{'Attribute::Handlers'} = 0 if $] >= 5.006;
my $zz = join ' ', glob File::Spec->catfile( 't', 'zz_*.t' );
my $ccflags = -d '.svn' ? '-Wall' : '';
WriteMakefile( VERSION_FROM => "lib/Params/Validate.pm",
NAME => "Params::Validate",
PREREQ_PM => \%prereq,
CONFIGURE => \&init,
CCFLAGS => $ccflags,
clean => { FILES => "test.c test.o $zz" },
ABSTRACT_FROM => 'lib/Params/Validate.pm',
AUTHOR => 'Dave Rolsky, <autarch@urth.org>',
LICENSE => 'perl',
);
}
sub init
{
my $hash = $_[1];
if ($no_xs)
{
@{ $hash }{ 'XS', 'C' } = ( {}, [] );
}
$hash;
}
sub no_cc
{
$no_xs = 1;
print <<'EOF';
I cannot determine if you have a C compiler
so I will install a perl-only implementation
You can force installation of the XS version with
perl Makefile.PL --xs
EOF
write_makefile();
exit;
}
sub check_for_compiler
{
print "Testing if you have a C compiler\n";
eval { require ExtUtils::CBuilder };
if ($@)
{
return _check_for_compiler_manually();
}
else
{
return _check_for_compiler_with_cbuilder();
}
}
sub _check_for_compiler_with_cbuilder
{
my $cb = ExtUtils::CBuilder->new( quiet => 1 );
return $cb->have_compiler;
}
sub _check_for_compiler_manually
{
unless ( open F, ">test.c" )
{
warn "Cannot write test.c, skipping test compilation and installing pure Perl version.\n";
return 0;
}
print F <<'EOF';
int main() { return 0; }
EOF
close F or return 0;
my $cc = $Config{cc};
if ( $cc =~ /cl(\.exe)?$/ )
{
$cc .= ' -c'; }
system( "$cc -o test$Config{obj_ext} test.c" ) and return 0;
unlink $_
for grep { -f } 'test.c', "test$Config{obj_ext}";
return 1;
}