[RT #9675] add the library detection summary back in and improve it
[imager.git] / JPEG / Makefile.PL
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1#!perl -w
2use strict;
d24404be 3use ExtUtils::MakeMaker;
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4use Getopt::Long;
5use Config;
6
7my $verbose = $ENV{IM_VERBOSE};
8my @libpaths;
9my @incpaths;
10
11GetOptions("incpath=s", \@incpaths,
12 "libpath=s" => \@libpaths,
13 "verbose|v" => \$verbose);
14
15our $BUILDING_IMAGER;
d97c8dbd 16our %IMAGER_LIBS;
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17
18my $MM_ver = eval $ExtUtils::MakeMaker::VERSION;
19
20my %opts =
21 (
22 NAME => 'Imager::File::JPEG',
23 VERSION_FROM => 'JPEG.pm',
24 OBJECT => 'JPEG.o imjpeg.o imexif.o',
30160513 25 clean => { FILES => 'testout' },
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26 );
27
28my @inc;
29if ($BUILDING_IMAGER) {
30 push @inc, "-I..";
31 unshift @INC, "../lib";
32}
33else {
34 unshift @INC, "inc";
35 print "JPEG: building independently\n";
36 require Imager::ExtUtils;
37 push @inc, Imager::ExtUtils->includes;
38 $opts{TYPEMAPS} = [ Imager::ExtUtils->typemap ];
39
40 # Imager required configure through use
893474f1 41 my @Imager_req = ( Imager => "0.78" );
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42 if ($MM_ver >= 6.46) {
43 $opts{META_MERGE} =
44 {
45 configure_requires =>
46 {
47 @Imager_req,
48 },
49 build_requires =>
50 {
51 @Imager_req,
52 "Test::More" => "0.47",
53 },
54 resources =>
55 {
56 homepage => "http://imager.perl.org/",
57 repository =>
58 {
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59 url => "http://imager.perl.org/svn/trunk/Imager/JPEG",
60 web => "http://imager.perl.org/svnweb/public/browse/trunk/Imager/JPEG",
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61 type => "svn",
62 },
63 },
64 };
65 $opts{PREREQ_PM} =
66 {
67 @Imager_req,
68 };
69 }
70}
71
72require Imager::Probe;
73
74my %probe =
75 (
76 name => "JPEG",
77 inccheck => sub { -e File::Spec->catfile($_[0], "jpeglib.h") },
78 libbase => "jpeg",
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79 testcode => _jpeg_test_code(),
80 testcodeheaders => [ "stdio.h", "stddef.h", "jpeglib.h" ],
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81 incpath => \@incpaths,
82 libpath => \@libpaths,
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83 );
84
85my $probe_res = Imager::Probe->probe(\%probe);
86if ($probe_res) {
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87 $IMAGER_LIBS{JPEG} = 1;
88
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89 push @inc, $probe_res->{INC};
90 $opts{LIBS} = $probe_res->{LIBS};
03e49392 91 $opts{DEFINE} = $probe_res->{DEFINE};
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92 $opts{INC} = "@inc";
93
94 if ($MM_ver > 6.06) {
95 $opts{AUTHOR} = 'Tony Cook <tony@imager.perl.org>';
96 $opts{ABSTRACT} = 'JPEG Image file support';
97 }
98
99 WriteMakefile(%opts);
100}
101else {
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102 $IMAGER_LIBS{JPEG} = 0;
103
797a9f9c 104 if ($BUILDING_IMAGER) {
d24404be 105 ExtUtils::MakeMaker::WriteEmptyMakefile(%opts);
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106 }
107 else {
108 # fail in good way
109 die "OS unsupported: JPEG libraries or headers not found\n";
110 }
111}
112
113sub _jpeg_test_code {
114 return <<'CODE';
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115struct jpeg_decompress_struct cinfo;
116struct jpeg_error_mgr jerr;
117
118cinfo.err = jpeg_std_error(&jerr);
119jpeg_create_decompress(&cinfo);
797a9f9c 120
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121return 0;
122CODE
123}