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Commit | Line | Data |
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1d7e3124 TC |
1 | #!perl -w |
2 | use strict; | |
d24404be | 3 | use ExtUtils::MakeMaker; |
1d7e3124 | 4 | use Getopt::Long; |
b515cc4c | 5 | use Config; |
1d7e3124 TC |
6 | |
7 | my $verbose = $ENV{IM_VERBOSE}; | |
8 | my @libpaths; | |
9 | my @incpaths; | |
10 | ||
11 | GetOptions("incpath=s", \@incpaths, | |
12 | "libpath=s" => \@libpaths, | |
13 | "verbose|v" => \$verbose); | |
14 | ||
15 | our $BUILDING_IMAGER; | |
d97c8dbd | 16 | our %IMAGER_LIBS; |
1d7e3124 | 17 | |
1d7e3124 TC |
18 | my %opts = |
19 | ( | |
20 | NAME => 'Imager::File::PNG', | |
21 | VERSION_FROM => 'PNG.pm', | |
22 | OBJECT => 'PNG.o impng.o', | |
30160513 | 23 | clean => { FILES => 'testout' }, |
1d7e3124 TC |
24 | ); |
25 | ||
572d5255 TC |
26 | if (eval { ExtUtils::MakeMaker->VERSION('6.46'); 1 }) { |
27 | $opts{LICENSE} = "perl_5"; | |
28 | $opts{AUTHOR} = 'Tony Cook <tonyc@cpan.org>'; | |
29 | $opts{ABSTRACT} = 'PNG Image file support for Imager'; | |
30 | $opts{META_MERGE} = | |
31 | { | |
32 | 'meta-spec' => | |
33 | { | |
34 | version => "2", | |
35 | url => "https://metacpan.org/pod/CPAN::Meta::Spec", | |
36 | }, | |
37 | resources => | |
38 | { | |
39 | homepage => "http://imager.perl.org/", | |
40 | repository => | |
41 | { | |
42 | type => "git", | |
43 | url => "git://git.imager.perl.org/imager.git", | |
44 | web => "http://git.imager.perl.org/imager.git", | |
45 | }, | |
46 | bugtracker => | |
47 | { | |
48 | web => "http://rt.cpan.org/NoAuth/Bugs.html?Dist=Imager", | |
49 | mailto => 'bug-Imager@rt.cpan.org', | |
50 | }, | |
51 | }, | |
52 | }; | |
53 | } | |
54 | ||
1d7e3124 TC |
55 | my @inc; |
56 | if ($BUILDING_IMAGER) { | |
57 | push @inc, "-I.."; | |
b515cc4c | 58 | unshift @INC, "../lib"; |
1d7e3124 TC |
59 | } |
60 | else { | |
b515cc4c | 61 | unshift @INC, "inc"; |
1d7e3124 TC |
62 | print "PNG: building independently\n"; |
63 | require Imager::ExtUtils; | |
64 | push @inc, Imager::ExtUtils->includes; | |
65 | $opts{TYPEMAPS} = [ Imager::ExtUtils->typemap ]; | |
66 | ||
67 | # Imager required configure through use | |
de50f459 | 68 | my @Imager_req = ( Imager => "0.90" ); |
572d5255 TC |
69 | if (eval { ExtUtils::MakeMaker->VERSION('6.46'); 1 }) { |
70 | $opts{META_MERGE}{prereqs} = | |
1d7e3124 | 71 | { |
572d5255 TC |
72 | configure => |
73 | { | |
74 | requires => | |
75 | { | |
76 | @Imager_req, | |
77 | }, | |
78 | }, | |
79 | build => | |
1d7e3124 | 80 | { |
572d5255 TC |
81 | requires => |
82 | { | |
83 | @Imager_req, | |
84 | "Test::More" => "0.47", | |
85 | } | |
1d7e3124 | 86 | }, |
572d5255 | 87 | runtime => |
1d7e3124 | 88 | { |
572d5255 TC |
89 | requires => |
90 | { | |
91 | @Imager_req, | |
92 | } | |
b515cc4c | 93 | }, |
572d5255 | 94 | test => |
b515cc4c | 95 | { |
572d5255 TC |
96 | requires => |
97 | { | |
98 | "Test::More" => "0.47", | |
99 | } | |
b515cc4c | 100 | }, |
1d7e3124 TC |
101 | }; |
102 | $opts{PREREQ_PM} = | |
103 | { | |
104 | @Imager_req, | |
a5919365 | 105 | XSLoader => 0, |
1d7e3124 TC |
106 | }; |
107 | } | |
108 | } | |
109 | ||
110 | require Imager::Probe; | |
111 | ||
57520a19 | 112 | # these are mostly needed when pkg-config isn't available |
de50f459 TC |
113 | my @alts = |
114 | ( | |
57520a19 TC |
115 | { |
116 | altname => "v1.6", | |
117 | incsuffix => "libpng16", | |
118 | libbase => "png16", | |
119 | }, | |
de50f459 TC |
120 | { |
121 | altname => "v1.5", | |
122 | incsuffix => "libpng15", | |
123 | libbase => "png15", | |
124 | }, | |
125 | { | |
126 | altname => "v1.4", | |
127 | incsuffix => "libpng14", | |
128 | libbase => "png14", | |
129 | }, | |
130 | { | |
131 | altname => "v1.2", | |
132 | incsuffix => "libpng12", | |
133 | libbase => "png12", | |
134 | }, | |
135 | { | |
136 | altname => "v1.0", | |
137 | incsuffix => "libpng10", | |
138 | libbase => "png10", | |
139 | }, | |
140 | ); | |
141 | ||
1d7e3124 TC |
142 | my %probe = |
143 | ( | |
144 | name => "PNG", | |
cac1147d | 145 | altname => "Generic", |
57520a19 | 146 | pkg => [ qw/libpng libpng16 libpng15 libpng14 libpng12 libpng10/ ], |
1d7e3124 TC |
147 | inccheck => sub { -e File::Spec->catfile($_[0], "png.h") }, |
148 | libbase => "png", | |
149 | testcode => _png_test_code(), | |
150 | testcodeheaders => [ "png.h", "stdio.h" ], | |
0c3c1180 TC |
151 | incpath => \@incpaths, |
152 | libpath => \@libpaths, | |
0987aae1 | 153 | verbose => $verbose, |
cac1147d TC |
154 | alternatives => |
155 | [ | |
de50f459 | 156 | @alts, |
9b4036f7 | 157 | { |
de50f459 TC |
158 | altname => "base (+libz)", |
159 | libbase => [ "png", "z" ], | |
cac1147d | 160 | }, |
de50f459 TC |
161 | ( # a static libpng may require libz too |
162 | map +{ | |
163 | %$_, | |
164 | altname => "$_->{altname} (+libz)", | |
165 | libbase => [ $_->{libbase}, "z" ], | |
166 | }, @alts | |
167 | ), | |
cac1147d | 168 | ], |
1d7e3124 TC |
169 | ); |
170 | ||
171 | my $probe_res = Imager::Probe->probe(\%probe); | |
172 | if ($probe_res) { | |
d97c8dbd TC |
173 | $IMAGER_LIBS{PNG} = 1; |
174 | ||
1d7e3124 TC |
175 | push @inc, $probe_res->{INC}; |
176 | $opts{LIBS} = $probe_res->{LIBS}; | |
03e49392 | 177 | $opts{DEFINE} = $probe_res->{DEFINE}; |
1d7e3124 | 178 | $opts{INC} = "@inc"; |
572d5255 | 179 | |
1d7e3124 TC |
180 | WriteMakefile(%opts); |
181 | } | |
182 | else { | |
d97c8dbd TC |
183 | $IMAGER_LIBS{PNG} = 0; |
184 | ||
1d7e3124 | 185 | if ($BUILDING_IMAGER) { |
d24404be | 186 | ExtUtils::MakeMaker::WriteEmptyMakefile(%opts); |
1d7e3124 TC |
187 | } |
188 | else { | |
189 | # fail in good way | |
190 | die "OS unsupported: PNG libraries or headers not found\n"; | |
191 | } | |
192 | } | |
193 | ||
194 | sub _png_test_code { | |
195 | return <<'CODE'; | |
196 | ||
197 | fprintf(stderr, "PNG: library version %ld, header version %ld\n", (long)png_access_version_number(), (long)PNG_LIBPNG_VER); | |
aaf82685 TC |
198 | |
199 | if (png_access_version_number() != PNG_LIBPNG_VER) { | |
200 | fprintf(stderr, "PNG: Your header version number doesn't match the library version number\n"); | |
201 | return 1; | |
202 | } | |
1d7e3124 TC |
203 | return 0; |
204 | CODE | |
205 | } |