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|
# This Makefile.PL stolen from Params::Validate
#
# 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;
use vars qw ($no_xs $force_xs);
if ( $] >= 5.009_001 && $] < 5.010_000 ) {
die "The CPAN module cannot be tested with Perl $]\n".
"Please update to the latest bleadperl...";
}
for (@ARGV)
{
/^--perl_only/ and $no_xs = 1;
/^--perl-only/ and $no_xs = 1;
/^--xs/ and $no_xs = 0;
}
map { unlink $_ if -f $_ } <vutil/Makefile*>;
unless (defined $no_xs)
{
check_for_compiler()
or no_cc();
}
write_makefile();
sub write_makefile
{
my %prereq = ( 'Test::More' => 0.45, 'File::Temp' => 0.13 );
WriteMakefile( VERSION_FROM => 'lib/version.pm',
NAME => 'version',
LICENSE => 'perl',
PREREQ_PM => \%prereq,
CONFIGURE => \&init,
( $] >= 5.005 ?
( ABSTRACT => 'Structured version objects',
AUTHOR => 'John Peacock <jpeacock@cpan.org>') :
()
),
( $] >= 5.009001 && $] < 5.011000 ?
( INSTALLDIRS => 'perl' ) :
()
),
PM =>
{'lib/version.pm' => '$(INST_LIBDIR)/version.pm',
'lib/version.pod' => '$(INST_LIBDIR)/version.pod',
'lib/version/Internals.pod' =>
'$(INST_LIBDIR)/version/Internals.pod'},
PL_FILES => {},
C => [],
clean => { FILES => 'vutil/Makefile.PL' },
dist => {
COMPRESS => 'gzip -9f',
SUFFIX => 'gz',
PREOP => (
'hg log --style changelog > Changes'
),
},
);
}
sub init
{
my $hash = $_[1];
if ($no_xs) {
$hash->{'PM'}->{'vperl/vpp.pm'} = '$(INST_LIBDIR)/version/vpp.pm';
}
else {
open MAKEFILE, '>vutil/Makefile.PL';
while (<DATA>) {
print MAKEFILE $_;
}
close MAKEFILE;
sleep(1);
@{ $hash }{ 'DIR' } = ['vutil'];
}
return $hash;
}
sub no_cc
{
$no_xs = 1;
print <<'EOF';
I cannot determine if you have a C compiler
so I will install a perl-only implementation
You can force installation of the XS version with
perl Makefile.PL --xs
EOF
}
sub check_for_compiler
{
print "Testing if you have a C compiler\n";
eval { require ExtUtils::CBuilder };
if ($@)
{
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};
my $retval = system( "$cc -c -o test$Config{obj_ext} test.c" );
map { unlink $_ if -f $_ } ('test.c',"test$Config{obj_ext}");
return not($retval); # system returns -1
}
__DATA__
#!/usr/bin/perl -w
use strict;
use ExtUtils::MakeMaker;
WriteMakefile(
NAME => 'version::vxs',
AUTHOR => 'John Peacock <jpeacock@cpan.org>',
VERSION_FROM => 'lib/version/vxs.pm',
OBJECT => q/$(O_FILES)/,
TYPEMAPS => ['../lib/version/typemap'],
);
|
