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#!perl -w
use strict;
use ExtUtils::MakeMaker;
use Getopt::Long;
use Config;
my $verbose = $ENV{IM_VERBOSE};
my @libpaths;
my @incpaths;
GetOptions("incpath=s", \@incpaths,
"libpath=s" => \@libpaths,
"verbose|v" => \$verbose);
our $BUILDING_IMAGER;
our %IMAGER_LIBS;
my $MM_ver = eval $ExtUtils::MakeMaker::VERSION;
my %opts =
(
NAME => 'Imager::File::JPEG',
VERSION_FROM => 'JPEG.pm',
OBJECT => 'JPEG.o imjpeg.o imexif.o',
clean => { FILES => 'testout' },
);
my @inc;
if ($BUILDING_IMAGER) {
push @inc, "-I..";
unshift @INC, "../lib";
}
else {
unshift @INC, "inc";
print "JPEG: building independently\n";
require Imager::ExtUtils;
push @inc, Imager::ExtUtils->includes;
$opts{TYPEMAPS} = [ Imager::ExtUtils->typemap ];
# Imager required configure through use
my @Imager_req = ( Imager => "0.86" );
if ($MM_ver >= 6.46) {
$opts{META_MERGE} =
{
configure_requires =>
{
@Imager_req,
},
build_requires =>
{
@Imager_req,
"Test::More" => "0.47",
},
resources =>
{
homepage => "http://imager.perl.org/",
repository => "git://git.imager.perl.org/imager.git",
bugtracker => "http://rt.cpan.org/NoAuth/Bugs.html?Dist=Imager",
},
};
$opts{PREREQ_PM} =
{
@Imager_req,
XSLoader => 0,
};
}
}
require Imager::Probe;
my %probe =
(
name => "JPEG",
inccheck => sub { -e File::Spec->catfile($_[0], "jpeglib.h") },
libbase => "jpeg",
testcode => _jpeg_test_code(),
testcodeheaders => [ "stdio.h", "stddef.h", "jpeglib.h" ],
incpath => \@incpaths,
libpath => \@libpaths,
verbose => $verbose,
);
my $probe_res = Imager::Probe->probe(\%probe);
if ($probe_res) {
$IMAGER_LIBS{JPEG} = 1;
push @inc, $probe_res->{INC};
$opts{LIBS} = $probe_res->{LIBS};
$opts{DEFINE} = $probe_res->{DEFINE};
$opts{INC} = "@inc";
if ($MM_ver > 6.06) {
$opts{AUTHOR} = 'Tony Cook <tonyc@cpan.org>';
$opts{ABSTRACT} = 'JPEG Image file support';
}
WriteMakefile(%opts);
}
else {
$IMAGER_LIBS{JPEG} = 0;
if ($BUILDING_IMAGER) {
ExtUtils::MakeMaker::WriteEmptyMakefile(%opts);
}
else {
# fail in good way
die "OS unsupported: JPEG libraries or headers not found\n";
}
}
sub _jpeg_test_code {
return <<'CODE';
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_decompress(&cinfo);
return 0;
CODE
}
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