use strict;
use warnings FATAL => 'all';
use 5.008001;
use ExtUtils::MakeMaker;
(do 'maint/Makefile.PL.include' or die $@) unless -f 'META.yml';
my %BUILD_DEPS = (
'Test::Without::Module' => '0.17',
'Test::More' => '0.88'
);
WriteMakefile(
NAME => 'JSON::MaybeXS',
VERSION_FROM => 'lib/JSON/MaybeXS.pm',
PREREQ_PM => {
'JSON::PP' => '2.27202',
(can_xs()
? ('Cpanel::JSON::XS' => '2.3310')
: ()),
%BUILD_DEPS,
},
BUILD_REQUIRES => \%BUILD_DEPS,
);
# can we locate a (the) C compiler
sub can_cc {
my @chunks = split(/ /, $Config::Config{cc}) or return;
# $Config{cc} may contain args; try to find out the program part
while (@chunks) {
return can_run("@chunks") || (pop(@chunks), next);
}
return;
}
# check if we can run some command
sub can_run {
my ($cmd) = @_;
return $cmd if -x $cmd;
if (my $found_cmd = MM->maybe_command($cmd)) {
return $found_cmd;
}
require File::Spec;
for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') {
next if $dir eq '';
my $abs = File::Spec->catfile($dir, $cmd);
return $abs if (-x $abs or $abs = MM->maybe_command($abs));
}
return;
}
# Can our C compiler environment build XS files
sub can_xs {
# Do we have the configure_requires checker?
local $@;
eval "require ExtUtils::CBuilder; ExtUtils::CBuilder->VERSION(0.27)";
if ( $@ ) {
# They don't obey configure_requires, so it is
# someone old and delicate. Try to avoid hurting
# them by falling back to an older simpler test.
return can_cc();
}
# Do we have a working C compiler
my $builder = ExtUtils::CBuilder->new(
quiet => 1,
);
unless ( $builder->have_compiler ) {
# No working C compiler
return 0;
}
# Write a C file representative of what XS becomes
require File::Temp;
my ( $FH, $tmpfile ) = File::Temp::tempfile(
"compilexs-XXXXX",
SUFFIX => '.c',
);
binmode $FH;
print $FH <<'END_C';
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
int main(int argc, char **argv) {
return 0;
}
int boot_sanexs() {
return 1;
}
END_C
close $FH;
# Can the C compiler access the same headers XS does
my @libs = ();
my $object = undef;
eval {
local $^W = 0;
$object = $builder->compile(
source => $tmpfile,
);
@libs = $builder->link(
objects => $object,
module_name => 'sanexs',
);
};
my $result = $@ ? 0 : 1;
# Clean up all the build files
foreach ( $tmpfile, $object, @libs ) {
next unless defined $_;
1 while unlink;
}
return $result;
}