- document that overlapping windows will show in a captured image.
[imager-screenshot.git] / Makefile.PL
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1#!perl -w
2use strict;
3use ExtUtils::MakeMaker;
37819a40 4use Imager 0.54;
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5use Imager::ExtUtils;
6use Config;
7use File::Spec;
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8use Getopt::Long;
9
10my @incpaths; # places to look for headers
11my @libpaths; # places to look for libraries
12
13GetOptions("incpath=s", \@incpaths,
14 "libpath=s" => \@libpaths);
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15
16my @objs = qw/Screenshot.o/;
17my @cflags;
18my @lflags;
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19my %seen_incdir;
20my %seen_libdir;
0ddb7051 21my $X11_lib = $^O eq 'cygwin' ? 'X11.dll' : 'X11';
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22if (find_header("X11/Xlib.h", "X11 header")
23 and find_lib($X11_lib, "X11 library")) {
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24 push @objs, 'scx11.o';
25 push @cflags, '-DSS_X11';
26 push @lflags, '-l'.$X11_lib;
27 print "Found X11\n";
28}
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29if (find_header('windows.h', "Win32 header")
30 and find_lib('gdi32', "Win32 library")) {
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31 push @objs, 'scwin32.o';
32 push @cflags, '-DSS_WIN32';
33 if ($^O eq 'cygwin') {
34 push @lflags, '-L/usr/lib/w32api', '-lgdi32';
35 }
36 print "Found Win32\n";
37}
38
39unless (@objs > 1) {
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40 die <<DEAD;
41
42NA: Sorry, I can't find headers or libraries for a supported GUI
43You need to install development headers and libraries for your GUI
44For Win32: Platform SDK or a substitute
45For X11: X11 headers and libraries, eg. the libX11-dev package on Debian
46
47DEAD
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48}
49
50my %opts =
51 (
52 NAME => 'Imager::Screenshot',
53 VERSION_FROM => 'Screenshot.pm',
54 OBJECT => "@objs",
55 PREREQ_PM => {
56 'Imager' => 0.54,
57 },
58 INC => Imager::ExtUtils->includes,
59 TYPEMAPS => [ Imager::ExtUtils->typemap ],
60 );
61
62$opts{LIBS} = "@lflags" if @lflags;
63$opts{INC} .= " @cflags" if @cflags;
64
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65# avoid "... isn't numberic in numeric gt ..." warnings for dev versions
66my $eu_mm_version = eval $ExtUtils::MakeMaker::VERSION;
67if ($eu_mm_version > 6.06) {
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68 $opts{AUTHOR} = 'Tony Cook <tonyc@cpan.org>';
69 $opts{ABSTRACT} = 'Screen/Window capture to Imager images';
70}
71
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72# LICENSE was introduced in 6.30_01, but Debian etch includes
73# (as of 2007/01/12) an ExtUtils::MakeMaker versioned 6.30_01 without
74# LICENSE support
54f11a66 75# EXTRA_META was also introduced in 6.30_01
37819a40 76if ($eu_mm_version > 6.3001) {
770c534e 77 $opts{LICENSE} = 'perl';
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78 $opts{EXTRA_META} = <<META;
79configure_requires:
80 Imager: 0.54
81build_requires:
82 Imager: 0.54
83 Test::More: 0.47
84META
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85}
86
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87WriteMakefile(%opts);
88
89my @incs;
90sub header_search_path {
91 @incs and return @incs;
92
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93 push @incs, map {; split /\Q$Config{path_sep}/ } @incpaths;
94 push @incs, split /\Q$Config{path_sep}/, $ENV{IM_INCPATH}
95 if defined $ENV{IM_INCPATH};
8a7d6890 96 push @incs, '/usr/include', '/usr/X11R6/include'
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97 unless $^O eq 'MSWin32' && $Config{cc} =~ /\bcl\b/;
98 push @incs, split /\Q$Config{path_sep}/, $ENV{INCLUDE}
99 if $^O eq 'MSWin32' && $Config{cc} =~ /\bcl\b/ and $ENV{INCLUDE};
100 push @incs, split ' ', $Config{locincpth}
101 if $Config{locincpth};
102 push @incs, split /\Q$Config{path_sep}/, $Config{incpath}
103 if $Config{incpath};
104 push @incs, '/usr/include/w32api', '/usr/X11R6/include'
105 if $^O eq 'cygwin';
106
107 @incs = grep -d, @incs;
108
109 @incs;
110}
111
112my @libs;
113sub library_search_path {
114 @libs and return @libs;
115
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116 push @libs, map {; split /\Q$Config{path_sep}/ } @libpaths;
117 push @incs, split /\Q$Config{path_sep}/, $ENV{IM_LIBPATH}
118 if defined $ENV{IM_LIBPATH};
8aca6763 119 push @libs, '/usr/lib', '/usr/X11R6/lib'
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120 unless $^O eq 'MSWin32' && $Config{cc} =~ /\bcl\b/;
121 push @libs, split /\Q$Config{path_sep}/, $ENV{LIB}
122 if $^O eq 'MSWin32' && $Config{cc} =~ /\bcl\b/ and $ENV{LIB};
123 push @libs, split ' ', $Config{loclibpth}
124 if $Config{loclibpth};
125 push @libs, split /\Q$Config{path_sep}/, $Config{libpth}
126 if $Config{libpth};
127 push @libs, '/usr/lib/w32api', '/usr/X11R6/lib'
128 if $^O eq 'cygwin';
129
130 @libs = grep -d, @libs;
131
132 @libs;
133}
134
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135sub _find_file {
136 my ($name, @where) = @_;
137
138 grep -f File::Spec->catfile($_, $name), @where;
139}
140
141sub find_header {
574c4fe0 142 my ($name, $description) = @_;
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143 my @found = _find_file($_[0], header_search_path());
144
145 if (@found) {
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146 push @cflags, "-I$_" for grep !$seen_incdir{$_}, @found;
147 @seen_incdir{@found} = (1) x @found;
148 }
149 else {
150 print STDERR "Could not find $name ($description)\n";
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151 }
152
153 @found;
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154}
155
156sub find_lib {
574c4fe0 157 my ($name, $description) = shift;
0ddb7051 158 my @found;
574c4fe0 159 my $libname;
0ddb7051 160 if ($^O eq 'MSWin32' && $Config{_a} eq '.lib') {
574c4fe0 161 $libname = $name . $Config{_a};
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162 }
163 else {
574c4fe0 164 $libname = "lib" . $name . $Config{_a};
0ddb7051 165 }
574c4fe0 166 @found = _find_file($libname, library_search_path());
0ddb7051 167 if (@found) {
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168 push @lflags, "-L$_" for grep !$seen_libdir{$_}, @found;
169 @seen_libdir{@found} = (1) x @found;
0ddb7051 170 }
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171 else {
172 print STDERR "Could not find $libname ($description)\n";
173 }
174
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175 @found;
176}