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|
use ExtUtils::MakeMaker qw(
WriteMakefile
prompt
);
use Config;
use Getopt::Long qw(
GetOptions
);
unlink 'Makefile'; # remove Makefile to stabalize CC test
#
# get any command line arguments
#
my ($useXS);
GetOptions(
'xs!' => \$useXS,
'pm' => sub {
warn "\n\t".'WARNING: Use of "--pm" is deprecated, use "-noxs" instead'."\n\n";
$useXS = 0;
},
);
my $pkg = 'NetAddr::IP::Util';
$pkg =~ /[^:]+$/;
my $module = $& .'.pm';
my $cfile = $& .'.c';
my %makeparms = (
NAME => $pkg,
VERSION_FROM => $module, # finds $VERSION
depend => {$cfile => q[xs_include/miniSocket.inc localStuff.h],
},
# PREREQ_PM => {Test::More => 0,
# },
LIBS => [],
XS => {},
C => [],
clean => { FILES => "*.bs *.o *.c *~ tmp* Util_IS.pm localStuff.h config.log"},
dist => {COMPRESS=>'gzip', SUFFIX=>'gz'}
);
#
# Check if we have a C compiler
unless (defined $useXS) {
if (test_cc()) {
print "You have a working compiler.\n";
$useXS = 1;
# $makeparms{'MYEXTLIB'} = 'netdns$(LIB_EXT)',
} else {
$useXS = 0;
print <<END;
I cannot determine if you have a C compiler. I will install the
perl-only implementation.
You can force installation of the XS version with:
perl Makefile.PL --xs
END
# $makeparms{'MYEXTLIB'} = '',
}
}
my $begin = '';
if ($useXS) {
# turn the XS bits on.
delete $makeparms{'XS'};
delete $makeparms{'C'};
my $link = '';
foreach(qw(-lsocket -lnsl)) {
if ($Config{libs} =~ /$_\b/) {
$link .= $_ .' ';
}
}
chop $link;
$makeparms{LIBS} = [$link];
$begin = q|
config :: localStuff.h
@$(NOOP)
# siteconf CCname Cfile_ext OBJext EXEext "Cflags" "LDflags" "LDLOADLIBS"
#
localStuff.h :
./siteconf "$(CC)" ".c" "$(OBJ_EXT)" "$(EXE_EXT)" "$(CCFLAGS)" "$(LDflags)" "$(LDLOADLIBS)"
|;
}
open(F,'>Util_IS.pm');
print F q|#!/usr/bin/perl
#
# DO NOT ALTER THIS FILE
# IT IS WRITTEN BY Makefile.PL
# EDIT THAT INSTEAD
#
package NetAddr::IP::Util_IS;
use vars qw($VERSION);
$VERSION = 1.00;
sub pure {
return |, (($useXS) ? 0 : 1), q|;
}
sub not_pure {
return |, (($useXS) ? 1 : 0), q|;
}
1;
__END__
=head1 NAME
NetAddr::IP::Util_IS - Tell about Pure Perl
=head1 SYNOPSIS
use NetAddr::IP::Util_IS;
$rv = NetAddr::IP::Util_IS->pure;
$rv = NetAddr::IP::Util_IS->not_pure;
=head1 DESCRIPTION
Util_IS indicates whether or not B<NetAddr::IP::Util> was compiled in Pure
Perl mode.
=over 4
=item * $rv = NetAddr::IP::Util_IS->pure;
Returns true if PurePerl mode, else false.
=item * $rv = NetAddr::IP::Util_IS->not_pure;
Returns true if NOT PurePerl mode, else false
=back
=cut
1;
|;
sub test_cc {
#
# The perl/C check borrowed from Graham Barr's
# Scalar-List-Utils distribution.
#
print "Testing if you have a C compiler and the needed header files....\n";
unless (open(F, ">compile.c")) {
warn "Cannot write compile.c, skipping test compilation and installing pure Perl version.\n";
return;
}
print F <<'EOF';
int main() { return 0; }
EOF
close(F) or return;
my $rv = system("$Config{'make'} compile$Config{obj_ext}");
foreach my $file (glob('compile*')) {
unlink($file) || warn "Could not delete $file: $!\n";
}
return ($ret == 0);
}
sub MY::top_targets {
package MY;
my $inherited = shift->SUPER::top_targets(@_);
$inherited =~ s/(pure_all\s+::.+)/$1 README/;
$begin . $inherited;
}
sub MY::post_constants {
my $post_constants = q|
MY_POD2TEXT = |. $Config{scriptdirexp} .'/pod2text' .q|
|;
}
sub MY::postamble {
package MY;
my $postamble = q|
README : |. $module .q|
@$(MY_POD2TEXT) |. $module .q| > README
|;
}
WriteMakefile(%makeparms);
|
