xref: /openbmc/libcper/subprojects/packagefiles/json-c/config/meson.build (revision cd9b1c5826323f8035a10513c832cc1a0d351247) 
1conf = configuration_data()
2check_headers = [
3    'dlfcn.h',
4    'endian.h',
5    'fcntl.h',
6    'float.h',
7    'inttypes.h',
8    'limits.h',
9    'memory.h',
10    'stdarg.h',
11    'stdint.h',
12    'stdlib.h',
13    'strings.h',
14    'string.h',
15    'syslog.h',
16    'sys/cdefs.h',
17    'sys/param.h',
18    'sys/stat.h',
19    'sys/types.h',
20    'unistd.h',
21    'xlocale.h',
22]
23
24foreach header : check_headers
25    if cc.has_header(header)
26        conf.set('HAVE_@0@'.format(header.underscorify().to_upper()), 1)
27    endif
28endforeach
29
30have_stdc = true
31foreach header : ['stdlib.h', 'stdarg.h', 'string.h', 'float.h']
32    if not conf.has('HAVE_@0@'.format(header.underscorify().to_upper()))
33        have_stdc = false
34    endif
35endforeach
36conf.set10('STDC_HEADERS', have_stdc)
37
38foreach symbol : ['_isnan', '_finite']
39    if cc.has_header_symbol('float.h', symbol)
40        conf.set('HAVE_DECL_@0@'.format(symbol.to_upper()), 1)
41    endif
42endforeach
43
44foreach symbol : ['INFINITY', 'isinf', 'isnan', 'nan']
45    if cc.has_header_symbol('math.h', symbol)
46        conf.set('HAVE_DECL_@0@'.format(symbol.to_upper()), 1)
47    endif
48endforeach
49
50check_function = [
51    'vasprintf',
52    'realloc',
53    'strcasecmp',
54    'strdup',
55    'strerror',
56    'vsyslog',
57    'open',
58    'strtoll',
59]
60
61if conf.has('HAVE_STRINGS_H')
62    check_function += 'strncasecmp'
63endif
64
65foreach function : check_function
66    if cc.has_function(function)
67        conf.set('HAVE_@0@'.format(function.to_upper()), 1)
68    endif
69endforeach
70conf.set10('HAVE_DOPRNT', cc.has_function('_doprnt'))
71
72foreach f : ['snprintf', 'vsnprintf', 'vprintf']
73    if cc.has_header_symbol('stdio.h', f)
74        conf.set('HAVE_@0@'.format(f.to_upper()), 1)
75    endif
76endforeach
77
78size = cc.sizeof('size_t', prefix: '#include <stddef.h>')
79conf.set('SIZEOF_SIZE_T', size)
80
81if cc.get_argument_syntax() == 'msvc'
82    size = cc.sizeof('SSIZE_T', prefix: '#include <BaseTsd.h>')
83else
84    size = cc.sizeof('ssize_t', prefix: '#include <sys/types.h>')
85endif
86conf.set('SIZEOF_SSIZE_T', size)
87
88foreach type : ['int', 'int64_t', 'long', 'long long']
89    size = cc.sizeof(type, prefix: '#include <stdint.h>')
90    conf.set('SIZEOF_@0@'.format(type.underscorify().to_upper()), size)
91endforeach
92
93if cc.links('int main(){__sync_synchronize();}', name: 'atomic builtins')
94    conf.set('HAVE_ATOMIC_BUILTINS', 1)
95endif
96
97if cc.compiles('static __thread int x = 0;', name: '__thread')
98    conf.set('HAVE___THREAD', 1)
99endif
100
101if conf.has('HAVE___THREAD')
102    conf.set('SPEC___THREAD', '__thread')
103elif cc.get_argument_syntax() == 'msvc'
104    conf.set('SPEC___THREAD', '__declspec(thread)')
105endif
106
107conf.set_quoted('VERSION', meson.project_version())
108
109config_h = configure_file(configuration: conf, output: 'config.h')
110
111