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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 => { |
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14 | # r/w: p5sagit@git.shadowcat.co.uk:JSON-MaybeXS.git |
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15 | repository => { |
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16 | url => 'git://git.shadowcat.co.uk/p5sagit/JSON-MaybeXS.git', |
17 | web => 'http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=p5sagit/JSON-MaybeXS.git', |
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18 | type => 'git', |
19 | }, |
20 | bugtracker => { |
21 | mailto => 'bug-JSON-MaybeXS@rt.cpan.org', |
22 | web => 'https://rt.cpan.org/Public/Dist/Display.html?Name=JSON-MaybeXS', |
23 | }, |
24 | }, |
25 | }, |
26 | |
27 | META_ADD => { |
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28 | prereqs => { |
29 | configure => { |
30 | requires => { |
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31 | 'ExtUtils::MakeMaker' => '0', |
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32 | 'ExtUtils::CBuilder' => '0.27', |
33 | 'File::Spec' => '0', |
34 | 'File::Temp' => '0', |
35 | }, |
36 | }, |
37 | runtime => { |
38 | requires => { |
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39 | 'Scalar::Util' => '0', |
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40 | 'Carp' => '0', |
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41 | 'JSON::PP' => '2.27202', |
42 | # we may also add a runtime prereq for Cpanel::JSON::XS, on the |
43 | # installer's machine |
44 | perl => '5.006', |
45 | }, |
46 | recommends => { 'Cpanel::JSON::XS' => '2.3310' }, |
47 | }, |
48 | test => { |
49 | requires => { |
50 | 'Test::Without::Module' => '0.17', |
51 | 'Test::More' => '0.88', |
52 | }, |
53 | }, |
54 | }, |
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55 | }, |
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56 | ); |
57 | |
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58 | my $eumm_version = eval $ExtUtils::MakeMaker::VERSION; |
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59 | |
60 | for (qw(configure build test runtime)) { |
61 | my $key = $_ eq 'runtime' ? 'PREREQ_PM' : uc $_.'_REQUIRES'; |
62 | next unless exists $WriteMakefileArgs{META_ADD}{prereqs}{$_} |
63 | or exists $WriteMakefileArgs{$key}; |
64 | my $r = $WriteMakefileArgs{$key} = { |
65 | %{$WriteMakefileArgs{META_ADD}{prereqs}{$_}{requires} || {}}, |
66 | %{delete $WriteMakefileArgs{$key} || {}}, |
67 | }; |
68 | defined $r->{$_} or delete $r->{$_} for keys %$r; |
69 | } |
70 | |
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71 | # dynamic prereqs get added here. |
72 | |
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73 | # we require Cpanel::JSON::XS, except if JSON::XS is already installed. |
74 | # (we also always recommend Cpanel::JSON::XS, just to make sure.) |
75 | $WriteMakefileArgs{PREREQ_PM}{'Cpanel::JSON::XS'} = '2.3310' |
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76 | if not parse_args()->{PUREPERL_ONLY} |
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77 | and ((eval { require Cpanel::JSON::XS; 1 } and not eval { Cpanel::JSON::XS->VERSION('2.3310'); 1 }) |
78 | or (not eval { require JSON::XS; 1; } and can_xs())); |
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79 | |
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80 | # avoid "JSON::XS::Boolean::* redefined" warnings caused by incompatibilities |
81 | # between JSON::XS 2.x and 3.0 -- |
82 | # if JSON::XS is installed and < 3.0 |
83 | # and Cpanel::JSON::JSON is (or is about to be) >= 3.0, |
84 | # then update JSON::XS to eliminate the incompatibility |
85 | $WriteMakefileArgs{PREREQ_PM}{'JSON::XS'} = '3.00' |
86 | if not parse_args()->{PUREPERL_ONLY} |
87 | and eval { require JSON::XS; 1 } and not eval { JSON::XS->VERSION('3.0'); 1 } |
88 | and (eval { require Cpanel::JSON::XS; Cpanel::JSON::XS->VERSION('3.0'); 1 } |
89 | # we presume here that if we are installing Cpanel::JSON::XS, we |
90 | # are installing the latest version |
91 | or exists $WriteMakefileArgs{PREREQ_PM}{'Cpanel::JSON::XS'}); |
92 | |
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93 | $WriteMakefileArgs{MIN_PERL_VERSION} = delete $WriteMakefileArgs{PREREQ_PM}{perl} || 0; |
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94 | |
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95 | die 'attention developer: you need to do a sane meta merge here!' |
96 | if keys %{$WriteMakefileArgs{BUILD_REQUIRES}}; |
97 | |
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98 | $WriteMakefileArgs{BUILD_REQUIRES} = { |
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99 | %{$WriteMakefileArgs{BUILD_REQUIRES} || {}}, |
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100 | %{delete $WriteMakefileArgs{TEST_REQUIRES}} |
101 | } if $eumm_version < 6.63_03; |
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102 | |
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103 | $WriteMakefileArgs{PREREQ_PM} = { |
104 | %{$WriteMakefileArgs{PREREQ_PM}}, |
105 | %{delete $WriteMakefileArgs{BUILD_REQUIRES}} |
106 | } if $eumm_version < 6.55_01; |
107 | |
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108 | delete $WriteMakefileArgs{CONFIGURE_REQUIRES} |
109 | if $eumm_version < 6.51_03; |
110 | |
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111 | delete $WriteMakefileArgs{MIN_PERL_VERSION} |
112 | if $eumm_version < 6.48; |
113 | |
114 | delete @WriteMakefileArgs{qw(META_ADD META_MERGE)} |
115 | if $eumm_version < 6.46; |
116 | |
117 | delete $WriteMakefileArgs{LICENSE} |
118 | if $eumm_version < 6.31; |
119 | |
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120 | WriteMakefile(%WriteMakefileArgs); |
121 | |
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122 | |
123 | sub parse_args { |
124 | # copied from EUMM |
125 | require ExtUtils::MakeMaker; |
126 | require Text::ParseWords; |
127 | ExtUtils::MakeMaker::parse_args( |
128 | my $tmp = {}, |
129 | Text::ParseWords::shellwords($ENV{PERL_MM_OPT} || ''), |
130 | @ARGV, |
131 | ); |
132 | return $tmp->{ARGS} || {}; |
133 | } |
134 | |
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135 | # can we locate a (the) C compiler |
136 | sub can_cc { |
137 | my @chunks = split(/ /, $Config::Config{cc}) or return; |
138 | |
139 | # $Config{cc} may contain args; try to find out the program part |
140 | while (@chunks) { |
141 | return can_run("@chunks") || (pop(@chunks), next); |
142 | } |
143 | |
144 | return; |
145 | } |
146 | |
147 | # check if we can run some command |
148 | sub can_run { |
149 | my ($cmd) = @_; |
150 | |
151 | return $cmd if -x $cmd; |
152 | if (my $found_cmd = MM->maybe_command($cmd)) { |
153 | return $found_cmd; |
154 | } |
155 | |
156 | require File::Spec; |
157 | for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') { |
158 | next if $dir eq ''; |
159 | my $abs = File::Spec->catfile($dir, $cmd); |
160 | return $abs if (-x $abs or $abs = MM->maybe_command($abs)); |
161 | } |
162 | |
163 | return; |
164 | } |
165 | |
166 | # Can our C compiler environment build XS files |
167 | sub can_xs { |
168 | # Do we have the configure_requires checker? |
169 | local $@; |
170 | eval "require ExtUtils::CBuilder; ExtUtils::CBuilder->VERSION(0.27)"; |
171 | if ( $@ ) { |
172 | # They don't obey configure_requires, so it is |
173 | # someone old and delicate. Try to avoid hurting |
174 | # them by falling back to an older simpler test. |
175 | return can_cc(); |
176 | } |
177 | |
178 | # Do we have a working C compiler |
179 | my $builder = ExtUtils::CBuilder->new( |
180 | quiet => 1, |
181 | ); |
182 | unless ( $builder->have_compiler ) { |
183 | # No working C compiler |
184 | return 0; |
185 | } |
186 | |
187 | # Write a C file representative of what XS becomes |
188 | require File::Temp; |
189 | my ( $FH, $tmpfile ) = File::Temp::tempfile( |
190 | "compilexs-XXXXX", |
191 | SUFFIX => '.c', |
192 | ); |
193 | binmode $FH; |
194 | print $FH <<'END_C'; |
195 | #include "EXTERN.h" |
196 | #include "perl.h" |
197 | #include "XSUB.h" |
198 | |
199 | int main(int argc, char **argv) { |
200 | return 0; |
201 | } |
202 | |
203 | int boot_sanexs() { |
204 | return 1; |
205 | } |
206 | |
207 | END_C |
208 | close $FH; |
209 | |
210 | # Can the C compiler access the same headers XS does |
211 | my @libs = (); |
212 | my $object = undef; |
213 | eval { |
214 | local $^W = 0; |
215 | $object = $builder->compile( |
216 | source => $tmpfile, |
217 | ); |
218 | @libs = $builder->link( |
219 | objects => $object, |
220 | module_name => 'sanexs', |
221 | ); |
222 | }; |
223 | my $result = $@ ? 0 : 1; |
224 | |
225 | # Clean up all the build files |
226 | foreach ( $tmpfile, $object, @libs ) { |
227 | next unless defined $_; |
228 | 1 while unlink; |
229 | } |
230 | |
231 | return $result; |
232 | } |