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44459f01 |
1 | use strict; |
2 | use warnings FATAL => 'all'; |
3 | use 5.008001; |
4 | use ExtUtils::MakeMaker; |
5 | (do 'maint/Makefile.PL.include' or die $@) unless -f 'META.yml'; |
6 | |
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7 | my %BUILD_DEPS = ( |
8 | 'Test::Without::Module' => '0.17', |
9 | 'Test::More' => '0.88' |
10 | ); |
11 | |
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12 | # we require Cpanel::JSON::XS, except if JSON::XS is already installed we only |
13 | # reocmmend it. |
14 | my $require_cpanel_json_xs = can_xs() && !eval { require JSON::XS; 1; }; |
15 | |
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16 | WriteMakefile( |
17 | NAME => 'JSON::MaybeXS', |
18 | VERSION_FROM => 'lib/JSON/MaybeXS.pm', |
19 | PREREQ_PM => { |
20 | 'JSON::PP' => '2.27202', |
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21 | ($require_cpanel_json_xs |
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22 | ? ('Cpanel::JSON::XS' => '2.3310') |
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23 | : ()), |
24 | %BUILD_DEPS, |
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25 | }, |
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26 | BUILD_REQUIRES => \%BUILD_DEPS, |
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27 | META_MERGE => { |
28 | 'meta-spec' => { version => 2 }, |
29 | dynamic_config => 1, |
30 | ($require_cpanel_json_xs |
31 | ? () |
32 | : (prereqs => { runtime => { recommends => { 'Cpanel::JSON::XS' => '2.3310' } } })), |
33 | }, |
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34 | |
35 | realclean => { FILES => 'Distar/' }, |
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36 | ); |
37 | |
38 | # can we locate a (the) C compiler |
39 | sub can_cc { |
40 | my @chunks = split(/ /, $Config::Config{cc}) or return; |
41 | |
42 | # $Config{cc} may contain args; try to find out the program part |
43 | while (@chunks) { |
44 | return can_run("@chunks") || (pop(@chunks), next); |
45 | } |
46 | |
47 | return; |
48 | } |
49 | |
50 | # check if we can run some command |
51 | sub can_run { |
52 | my ($cmd) = @_; |
53 | |
54 | return $cmd if -x $cmd; |
55 | if (my $found_cmd = MM->maybe_command($cmd)) { |
56 | return $found_cmd; |
57 | } |
58 | |
59 | require File::Spec; |
60 | for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') { |
61 | next if $dir eq ''; |
62 | my $abs = File::Spec->catfile($dir, $cmd); |
63 | return $abs if (-x $abs or $abs = MM->maybe_command($abs)); |
64 | } |
65 | |
66 | return; |
67 | } |
68 | |
69 | # Can our C compiler environment build XS files |
70 | sub can_xs { |
71 | # Do we have the configure_requires checker? |
72 | local $@; |
73 | eval "require ExtUtils::CBuilder; ExtUtils::CBuilder->VERSION(0.27)"; |
74 | if ( $@ ) { |
75 | # They don't obey configure_requires, so it is |
76 | # someone old and delicate. Try to avoid hurting |
77 | # them by falling back to an older simpler test. |
78 | return can_cc(); |
79 | } |
80 | |
81 | # Do we have a working C compiler |
82 | my $builder = ExtUtils::CBuilder->new( |
83 | quiet => 1, |
84 | ); |
85 | unless ( $builder->have_compiler ) { |
86 | # No working C compiler |
87 | return 0; |
88 | } |
89 | |
90 | # Write a C file representative of what XS becomes |
91 | require File::Temp; |
92 | my ( $FH, $tmpfile ) = File::Temp::tempfile( |
93 | "compilexs-XXXXX", |
94 | SUFFIX => '.c', |
95 | ); |
96 | binmode $FH; |
97 | print $FH <<'END_C'; |
98 | #include "EXTERN.h" |
99 | #include "perl.h" |
100 | #include "XSUB.h" |
101 | |
102 | int main(int argc, char **argv) { |
103 | return 0; |
104 | } |
105 | |
106 | int boot_sanexs() { |
107 | return 1; |
108 | } |
109 | |
110 | END_C |
111 | close $FH; |
112 | |
113 | # Can the C compiler access the same headers XS does |
114 | my @libs = (); |
115 | my $object = undef; |
116 | eval { |
117 | local $^W = 0; |
118 | $object = $builder->compile( |
119 | source => $tmpfile, |
120 | ); |
121 | @libs = $builder->link( |
122 | objects => $object, |
123 | module_name => 'sanexs', |
124 | ); |
125 | }; |
126 | my $result = $@ ? 0 : 1; |
127 | |
128 | # Clean up all the build files |
129 | foreach ( $tmpfile, $object, @libs ) { |
130 | next unless defined $_; |
131 | 1 while unlink; |
132 | } |
133 | |
134 | return $result; |
135 | } |