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1 | use strict; |
2 | use warnings FATAL => 'all'; |
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3 | use ExtUtils::MakeMaker; |
4 | (do 'maint/Makefile.PL.include' or die $@) unless -f 'META.yml'; |
5 | |
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6 | my %WriteMakefileArgs = ( |
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7 | NAME => 'JSON::MaybeXS', |
8 | VERSION_FROM => 'lib/JSON/MaybeXS.pm', |
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9 | |
10 | META_MERGE => { |
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11 | 'meta-spec' => { version => 2 }, |
12 | dynamic_config => 1, |
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13 | resources => { |
14 | repository => { |
15 | url => 'https://github.com/karenetheridge/JSON-MaybeXS.git', |
16 | web => 'https://github.com/karenetheridge/JSON-MaybeXS', |
17 | type => 'git', |
18 | }, |
19 | bugtracker => { |
20 | mailto => 'bug-JSON-MaybeXS@rt.cpan.org', |
21 | web => 'https://rt.cpan.org/Public/Dist/Display.html?Name=JSON-MaybeXS', |
22 | }, |
23 | }, |
24 | }, |
25 | |
26 | META_ADD => { |
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27 | prereqs => { |
28 | configure => { |
29 | requires => { |
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30 | 'ExtUtils::MakeMaker' => '0', |
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31 | 'ExtUtils::CBuilder' => '0.27', |
32 | 'File::Spec' => '0', |
33 | 'File::Temp' => '0', |
34 | }, |
35 | }, |
36 | runtime => { |
37 | requires => { |
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38 | 'Safe::Isa' => '0', |
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39 | 'JSON::PP' => '2.27202', |
40 | # we may also add a runtime prereq for Cpanel::JSON::XS, on the |
41 | # installer's machine |
42 | perl => '5.006', |
43 | }, |
44 | recommends => { 'Cpanel::JSON::XS' => '2.3310' }, |
45 | }, |
46 | test => { |
47 | requires => { |
48 | 'Test::Without::Module' => '0.17', |
49 | 'Test::More' => '0.88', |
50 | }, |
51 | }, |
52 | }, |
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53 | }, |
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54 | ); |
55 | |
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56 | my $eumm_version = eval $ExtUtils::MakeMaker::VERSION; |
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57 | |
58 | for (qw(configure build test runtime)) { |
59 | my $key = $_ eq 'runtime' ? 'PREREQ_PM' : uc $_.'_REQUIRES'; |
60 | next unless exists $WriteMakefileArgs{META_ADD}{prereqs}{$_} |
61 | or exists $WriteMakefileArgs{$key}; |
62 | my $r = $WriteMakefileArgs{$key} = { |
63 | %{$WriteMakefileArgs{META_ADD}{prereqs}{$_}{requires} || {}}, |
64 | %{delete $WriteMakefileArgs{$key} || {}}, |
65 | }; |
66 | defined $r->{$_} or delete $r->{$_} for keys %$r; |
67 | } |
68 | |
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69 | # dynamic prereqs get added here. |
70 | |
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71 | # we require Cpanel::JSON::XS, except if JSON::XS is already installed. |
72 | # (we also always recommend Cpanel::JSON::XS, just to make sure.) |
73 | $WriteMakefileArgs{PREREQ_PM}{'Cpanel::JSON::XS'} = '2.3310' |
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74 | if not parse_args()->{PUREPERL_ONLY} |
75 | && not eval { require JSON::XS; 1; } && can_xs(); |
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76 | |
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77 | $WriteMakefileArgs{MIN_PERL_VERSION} = delete $WriteMakefileArgs{PREREQ_PM}{perl} || 0; |
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78 | |
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79 | die 'attention developer: you need to do a sane meta merge here!' |
80 | if keys %{$WriteMakefileArgs{BUILD_REQUIRES}}; |
81 | |
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82 | $WriteMakefileArgs{BUILD_REQUIRES} = { |
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83 | %{$WriteMakefileArgs{BUILD_REQUIRES} || {}}, |
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84 | %{delete $WriteMakefileArgs{TEST_REQUIRES}} |
85 | } if $eumm_version < 6.63_03; |
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86 | |
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87 | $WriteMakefileArgs{PREREQ_PM} = { |
88 | %{$WriteMakefileArgs{PREREQ_PM}}, |
89 | %{delete $WriteMakefileArgs{BUILD_REQUIRES}} |
90 | } if $eumm_version < 6.55_01; |
91 | |
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92 | delete $WriteMakefileArgs{CONFIGURE_REQUIRES} |
93 | if $eumm_version < 6.51_03; |
94 | |
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95 | delete $WriteMakefileArgs{MIN_PERL_VERSION} |
96 | if $eumm_version < 6.48; |
97 | |
98 | delete @WriteMakefileArgs{qw(META_ADD META_MERGE)} |
99 | if $eumm_version < 6.46; |
100 | |
101 | delete $WriteMakefileArgs{LICENSE} |
102 | if $eumm_version < 6.31; |
103 | |
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104 | WriteMakefile(%WriteMakefileArgs); |
105 | |
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106 | |
107 | sub parse_args { |
108 | # copied from EUMM |
109 | require ExtUtils::MakeMaker; |
110 | require Text::ParseWords; |
111 | ExtUtils::MakeMaker::parse_args( |
112 | my $tmp = {}, |
113 | Text::ParseWords::shellwords($ENV{PERL_MM_OPT} || ''), |
114 | @ARGV, |
115 | ); |
116 | return $tmp->{ARGS} || {}; |
117 | } |
118 | |
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119 | # can we locate a (the) C compiler |
120 | sub can_cc { |
121 | my @chunks = split(/ /, $Config::Config{cc}) or return; |
122 | |
123 | # $Config{cc} may contain args; try to find out the program part |
124 | while (@chunks) { |
125 | return can_run("@chunks") || (pop(@chunks), next); |
126 | } |
127 | |
128 | return; |
129 | } |
130 | |
131 | # check if we can run some command |
132 | sub can_run { |
133 | my ($cmd) = @_; |
134 | |
135 | return $cmd if -x $cmd; |
136 | if (my $found_cmd = MM->maybe_command($cmd)) { |
137 | return $found_cmd; |
138 | } |
139 | |
140 | require File::Spec; |
141 | for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') { |
142 | next if $dir eq ''; |
143 | my $abs = File::Spec->catfile($dir, $cmd); |
144 | return $abs if (-x $abs or $abs = MM->maybe_command($abs)); |
145 | } |
146 | |
147 | return; |
148 | } |
149 | |
150 | # Can our C compiler environment build XS files |
151 | sub can_xs { |
152 | # Do we have the configure_requires checker? |
153 | local $@; |
154 | eval "require ExtUtils::CBuilder; ExtUtils::CBuilder->VERSION(0.27)"; |
155 | if ( $@ ) { |
156 | # They don't obey configure_requires, so it is |
157 | # someone old and delicate. Try to avoid hurting |
158 | # them by falling back to an older simpler test. |
159 | return can_cc(); |
160 | } |
161 | |
162 | # Do we have a working C compiler |
163 | my $builder = ExtUtils::CBuilder->new( |
164 | quiet => 1, |
165 | ); |
166 | unless ( $builder->have_compiler ) { |
167 | # No working C compiler |
168 | return 0; |
169 | } |
170 | |
171 | # Write a C file representative of what XS becomes |
172 | require File::Temp; |
173 | my ( $FH, $tmpfile ) = File::Temp::tempfile( |
174 | "compilexs-XXXXX", |
175 | SUFFIX => '.c', |
176 | ); |
177 | binmode $FH; |
178 | print $FH <<'END_C'; |
179 | #include "EXTERN.h" |
180 | #include "perl.h" |
181 | #include "XSUB.h" |
182 | |
183 | int main(int argc, char **argv) { |
184 | return 0; |
185 | } |
186 | |
187 | int boot_sanexs() { |
188 | return 1; |
189 | } |
190 | |
191 | END_C |
192 | close $FH; |
193 | |
194 | # Can the C compiler access the same headers XS does |
195 | my @libs = (); |
196 | my $object = undef; |
197 | eval { |
198 | local $^W = 0; |
199 | $object = $builder->compile( |
200 | source => $tmpfile, |
201 | ); |
202 | @libs = $builder->link( |
203 | objects => $object, |
204 | module_name => 'sanexs', |
205 | ); |
206 | }; |
207 | my $result = $@ ? 0 : 1; |
208 | |
209 | # Clean up all the build files |
210 | foreach ( $tmpfile, $object, @libs ) { |
211 | next unless defined $_; |
212 | 1 while unlink; |
213 | } |
214 | |
215 | return $result; |
216 | } |