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