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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 | |
44459f01 |
12 | WriteMakefile( |
13 | NAME => 'JSON::MaybeXS', |
14 | VERSION_FROM => 'lib/JSON/MaybeXS.pm', |
15 | PREREQ_PM => { |
16 | 'JSON::PP' => '2.27202', |
44459f01 |
17 | (can_xs() |
18 | ? ('Cpanel::JSON::XS' => '2.3310') |
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19 | : ()), |
20 | %BUILD_DEPS, |
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21 | }, |
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22 | BUILD_REQUIRES => \%BUILD_DEPS, |
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23 | ); |
24 | |
25 | # can we locate a (the) C compiler |
26 | sub can_cc { |
27 | my @chunks = split(/ /, $Config::Config{cc}) or return; |
28 | |
29 | # $Config{cc} may contain args; try to find out the program part |
30 | while (@chunks) { |
31 | return can_run("@chunks") || (pop(@chunks), next); |
32 | } |
33 | |
34 | return; |
35 | } |
36 | |
37 | # check if we can run some command |
38 | sub can_run { |
39 | my ($cmd) = @_; |
40 | |
41 | return $cmd if -x $cmd; |
42 | if (my $found_cmd = MM->maybe_command($cmd)) { |
43 | return $found_cmd; |
44 | } |
45 | |
46 | require File::Spec; |
47 | for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') { |
48 | next if $dir eq ''; |
49 | my $abs = File::Spec->catfile($dir, $cmd); |
50 | return $abs if (-x $abs or $abs = MM->maybe_command($abs)); |
51 | } |
52 | |
53 | return; |
54 | } |
55 | |
56 | # Can our C compiler environment build XS files |
57 | sub can_xs { |
58 | # Do we have the configure_requires checker? |
59 | local $@; |
60 | eval "require ExtUtils::CBuilder; ExtUtils::CBuilder->VERSION(0.27)"; |
61 | if ( $@ ) { |
62 | # They don't obey configure_requires, so it is |
63 | # someone old and delicate. Try to avoid hurting |
64 | # them by falling back to an older simpler test. |
65 | return can_cc(); |
66 | } |
67 | |
68 | # Do we have a working C compiler |
69 | my $builder = ExtUtils::CBuilder->new( |
70 | quiet => 1, |
71 | ); |
72 | unless ( $builder->have_compiler ) { |
73 | # No working C compiler |
74 | return 0; |
75 | } |
76 | |
77 | # Write a C file representative of what XS becomes |
78 | require File::Temp; |
79 | my ( $FH, $tmpfile ) = File::Temp::tempfile( |
80 | "compilexs-XXXXX", |
81 | SUFFIX => '.c', |
82 | ); |
83 | binmode $FH; |
84 | print $FH <<'END_C'; |
85 | #include "EXTERN.h" |
86 | #include "perl.h" |
87 | #include "XSUB.h" |
88 | |
89 | int main(int argc, char **argv) { |
90 | return 0; |
91 | } |
92 | |
93 | int boot_sanexs() { |
94 | return 1; |
95 | } |
96 | |
97 | END_C |
98 | close $FH; |
99 | |
100 | # Can the C compiler access the same headers XS does |
101 | my @libs = (); |
102 | my $object = undef; |
103 | eval { |
104 | local $^W = 0; |
105 | $object = $builder->compile( |
106 | source => $tmpfile, |
107 | ); |
108 | @libs = $builder->link( |
109 | objects => $object, |
110 | module_name => 'sanexs', |
111 | ); |
112 | }; |
113 | my $result = $@ ? 0 : 1; |
114 | |
115 | # Clean up all the build files |
116 | foreach ( $tmpfile, $object, @libs ) { |
117 | next unless defined $_; |
118 | 1 while unlink; |
119 | } |
120 | |
121 | return $result; |
122 | } |