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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 Config qw(%Config);
use ExtUtils::MakeMaker;
use File::Temp qw/tempdir tempfile/;
if ($] < 5.006002) {
die <<'EOL'
Perl 5.006002 required. Please install version-0.9906 if you need
to support an earlier Perl release.
EOL
}
my ($no_xs, $force_xs);
unlink 'pm_to_blib'; # belts and braces
if ($ENV{PERL_ONLY}) {
$no_xs = 1;
}
for (@ARGV)
{
/^--perl_only/ and $no_xs = 1;
/^--perl-only/ and $no_xs = 1;
/^--xs/ and $force_xs = 1;
}
if ($] < 5.010) { # support pure Perl only
$no_xs = 1;
}
unless (defined $no_xs or $force_xs)
{
check_for_compiler()
or no_cc();
}
write_makefile();
sub write_makefile
{
my %test_prereq = (
'Test::More' => 0.45,
'File::Temp' => 0.13,
'parent' => 0.221,
);
WriteMakefile( VERSION => '0.9924',
NAME => 'version',
LICENSE => 'perl',
MIN_PERL_VERSION=> 5.006002,
TEST_REQUIRES => \%test_prereq,
NORECURS => $no_xs,
ABSTRACT => 'Structured version objects',
AUTHOR => 'John Peacock <jpeacock@cpan.org>',
( $] >= 5.009001 && $] < 5.011000 ?
( INSTALLDIRS => 'perl' ) :
()
),
( ($] < 5.012
&& ! $ENV{PERL_NO_HIGHLANDER}
&& ! ( $ENV{PERL_MM_OPT}
&& $ENV{PERL_MM_OPT} =~ /(?:INSTALL_BASE|PREFIX)/ )
&& ! grep { /INSTALL_BASE/ || /PREFIX/ } @ARGV ) ?
( UNINST => 1 ) :
()
),
PM =>
{'lib/version.pm' => '$(INST_LIBDIR)/version.pm',
'lib/version.pod' => '$(INST_LIBDIR)/version.pod',
'lib/version/regex.pm' =>
'$(INST_LIBDIR)/version/regex.pm',
'lib/version/Internals.pod' =>
'$(INST_LIBDIR)/version/Internals.pod',
'vperl/vpp.pm' => '$(INST_LIBDIR)/version/vpp.pm',
},
PL_FILES => {},
C => [],
( $no_xs ?
() :
( DIR => ['vutil'])
),
dist => {
COMPRESS => 'gzip -9f',
SUFFIX => 'gz',
},
META_MERGE => {
"meta-spec" => { version => 2 },
resources => {
repository => {
type => 'git',
url => 'git://github.com/JohnPeacock/version.pm.git',
web => 'http://github.com/JohnPeacock/version.pm',
},
bugtracker => {
web => 'https://rt.cpan.org/Public/Dist/Display.html?Name=version',
mailto => 'bug-version@rt.cpan.org',
},
},
no_index => {
package => ['charstar'],
},
},
);
}
sub no_cc
{
$no_xs = 1;
print <<'EOF';
I cannot determine if you have a C compiler
so I will install a perl-only implementation
You can force installation of the XS version with
perl Makefile.PL --xs
EOF
}
sub check_for_compiler
{
# IMPORTANT NOTE: This is NOT used to determine how to compile
# extensions properly; EU::MM does that for us. This is only
# intended to see if that is likely to succeed. We do not try
# to do anything here except compile (not even link). If you
# want this to be a full featured test, feel free to submit a
# patch or do something useful.
print "Testing if you have a C compiler\n";
eval { require ExtUtils::CBuilder };
if ($@)
{
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, $ccflags, $obj_ext) = map { $Config{$_} } qw/cc ccflags obj_ext/;
my $command;
if ($^O =~ /(dos|win32)/i && $Config{'cc'} =~ /^cl/) {
$command = "$cc $ccflags /c test.c";
}
elsif ($Config{gccversion}) {
$command = "$cc $ccflags -o test$obj_ext test.c";
}
else {
warn "Unsupported system: can't test compiler availability. Patches welcome...";
return 0;
}
my $retval = system( $command );
map { unlink $_ if -f $_ } ('test.c',"test$obj_ext");
return not($retval); # system returns -1
}
|
