| blob | 20bdb37434d50ecf7bb7cc185fb4c466ed957c4a |
1 project('glib', 'c', 'cpp',
2 version : '2.57.2',
3 meson_version : '>= 0.47.0',
4 default_options : [
5 'buildtype=debugoptimized',
6 'warning_level=1',
7 'c_std=gnu89'
8 ]
9 )
11 cc = meson.get_compiler('c')
12 cxx = meson.get_compiler('cpp')
14 cc_can_run = not meson.is_cross_build() or meson.has_exe_wrapper()
16 if cc.get_id() == 'msvc'
17 # Ignore several spurious warnings for things glib does very commonly
18 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
19 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
20 # NOTE: Only add warnings here if you are sure they're spurious
21 add_project_arguments('/wd4035', '/wd4715', '/wd4116',
22 '/wd4046', '/wd4068', '/wo4090', '/FImsvc_recommended_pragmas.h',language : 'c')
23 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
24 # are built with MinGW
25 noseh_link_args = ['/SAFESEH:NO']
26 # Set the input and exec encoding to utf-8, like is the default with GCC
27 add_project_arguments(cc.get_supported_arguments(['/utf-8']), language: 'c')
28 else
29 noseh_link_args = []
30 # -mms-bitfields vs -fnative-struct ?
31 endif
33 host_system = host_machine.system()
35 glib_version = meson.project_version()
36 glib_api_version = '2.0'
37 version_arr = glib_version.split('.')
38 major_version = version_arr[0].to_int()
39 minor_version = version_arr[1].to_int()
40 micro_version = version_arr[2].to_int()
42 interface_age = minor_version.is_odd() ? 0 : micro_version
43 binary_age = 100 * minor_version + micro_version
45 soversion = 0
46 # Maintain compatibility with previous libtool versioning
47 # current = minor * 100 + micro
48 library_version = '@0@.@1@.@2@'.format(soversion, binary_age - interface_age, interface_age)
50 configinc = include_directories('.')
51 glibinc = include_directories('glib')
52 gobjectinc = include_directories('gobject')
53 gmoduleinc = include_directories('gmodule')
54 gioinc = include_directories('gio')
56 glib_prefix = get_option('prefix')
57 glib_bindir = join_paths(glib_prefix, get_option('bindir'))
58 glib_libdir = join_paths(glib_prefix, get_option('libdir'))
59 glib_libexecdir = join_paths(glib_prefix, get_option('libexecdir'))
60 glib_datadir = join_paths(glib_prefix, get_option('datadir'))
61 glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
62 glib_includedir = join_paths(glib_prefix, get_option('includedir'))
63 glib_giomodulesdir = get_option('gio_module_dir')
64 if glib_giomodulesdir == ''
65 glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
66 endif
68 glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
70 installed_tests_metadir = join_paths(glib_datadir, 'installed-tests', meson.project_name())
71 installed_tests_execdir = join_paths(glib_libexecdir, 'installed-tests', meson.project_name())
72 installed_tests_enabled = get_option('installed_tests')
73 installed_tests_template = files('template.test.in')
75 add_project_arguments('-D_GNU_SOURCE', language: 'c')
77 # Disable strict aliasing;
78 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
79 if cc.has_argument('-fno-strict-aliasing')
80 add_project_arguments('-fno-strict-aliasing', language: 'c')
81 endif
83 ########################
84 # Configuration begins #
85 ########################
86 glib_conf = configuration_data()
87 glibconfig_conf = configuration_data()
89 # accumulated list of defines as we check for them, so we can easily
90 # use them later in test programs (autoconf does this automatically)
91 glib_conf_prefix = ''
93 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
94 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
95 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
96 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
97 glib_conf.set('GLIB_BINARY_AGE', binary_age)
98 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
99 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
100 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
101 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
102 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
103 glib_conf.set_quoted('PACKAGE_URL', '')
104 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
105 glib_conf.set('ENABLE_NLS', 1)
107 # used by the .rc.in files
108 glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
110 glib_conf.set('_GNU_SOURCE', 1)
112 if host_system == 'windows'
113 # Poll doesn't work on devices on Windows
114 glib_conf.set('BROKEN_POLL', true)
115 endif
117 if host_system == 'windows' and cc.get_id() != 'msvc'
118 # FIXME: Ideally we shouldn't depend on this on Windows and should use
119 # 64 bit capable Windows API that also works with MSVC.
120 # The autotools build did set this for mingw and while meson sets it
121 # for gcc/clang by default, it doesn't do so on Windows.
122 glib_conf.set('_FILE_OFFSET_BITS', 64)
123 endif
125 # Check for GNU visibility attributes
126 g_have_gnuc_visibility = cc.compiles('''
127 void
128 __attribute__ ((visibility ("hidden")))
129 f_hidden (void)
130 {
131 }
132 void
133 __attribute__ ((visibility ("internal")))
134 f_internal (void)
135 {
136 }
137 void
138 __attribute__ ((visibility ("protected")))
139 f_protected (void)
140 {
141 }
142 void
143 __attribute__ ((visibility ("default")))
144 f_default (void)
145 {
146 }
147 int main (void)
148 {
149 f_hidden();
150 f_internal();
151 f_protected();
152 f_default();
153 return 0;
154 }
155 ''',
156 # Not supported by MSVC, but MSVC also won't support visibility,
157 # so it's OK to pass -Werror explicitly. Replace with
158 # override_options : 'werror=true' once that is supported
159 args: ['-Werror'],
160 name : 'GNU C visibility attributes test')
162 if g_have_gnuc_visibility
163 glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
164 endif
166 # Detect and set symbol visibility
167 glib_hidden_visibility_args = []
168 if get_option('default_library') != 'static'
169 if host_system == 'windows'
170 glib_conf.set('DLL_EXPORT', true)
171 if cc.get_id() == 'msvc'
172 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
173 elif cc.has_argument('-fvisibility=hidden')
174 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
175 glib_hidden_visibility_args = ['-fvisibility=hidden']
176 endif
177 elif cc.has_argument('-fvisibility=hidden')
178 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
179 glib_hidden_visibility_args = ['-fvisibility=hidden']
180 endif
181 endif
183 if host_system == 'windows' and get_option('default_library') == 'static'
184 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
185 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
186 endif
188 # FIXME: what about Cygwin (G_WITH_CYGWIN)
189 if host_system == 'windows'
190 glib_os = '''#define G_OS_WIN32
191 #define G_PLATFORM_WIN32'''
192 else
193 glib_os = '#define G_OS_UNIX'
194 endif
195 glibconfig_conf.set('glib_os', glib_os)
197 # We need to know the build type to determine what .lib files we need on Visual Studio
198 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
199 buildtype = get_option('buildtype')
201 glib_debug_cflags = []
202 if buildtype.startswith('debug')
203 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
204 elif buildtype == 'release'
205 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
206 endif
208 add_project_arguments(glib_debug_cflags, language: 'c')
210 # check for header files
212 headers = [
213 'alloca.h',
214 'crt_externs.h',
215 'dirent.h', # MSC does not come with this by default
216 'float.h',
217 'fstab.h',
218 'grp.h',
219 'inttypes.h',
220 'limits.h',
221 'linux/magic.h',
222 'locale.h',
223 'mach/mach_time.h',
224 'memory.h',
225 'mntent.h',
226 'poll.h',
227 'pwd.h',
228 'sched.h',
229 'stdint.h',
230 'stdlib.h',
231 'string.h',
232 'strings.h',
233 'sys/auxv.h',
234 'sys/event.h',
235 'sys/filio.h',
236 'sys/inotify.h',
237 'sys/mkdev.h',
238 'sys/mntctl.h',
239 'sys/mnttab.h',
240 'sys/mount.h',
241 'sys/param.h',
242 'sys/resource.h',
243 'sys/select.h',
244 'sys/statfs.h',
245 'sys/stat.h',
246 'sys/statvfs.h',
247 'sys/sysctl.h',
248 'sys/time.h', # MSC does not come with this by default
249 'sys/times.h',
250 'sys/types.h',
251 'sys/uio.h',
252 'sys/vfs.h',
253 'sys/vfstab.h',
254 'sys/vmount.h',
255 'sys/wait.h',
256 'termios.h',
257 'unistd.h',
258 'values.h',
259 'xlocale.h',
260 ]
262 foreach h : headers
263 if cc.has_header(h)
264 define = 'HAVE_' + h.underscorify().to_upper()
265 glib_conf.set(define, 1)
266 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
267 endif
268 endforeach
270 # FIXME: Use cc.check_header from Meson 0.47.
271 # FreeBSD includes a malloc.h which always throw compilation error.
272 if cc.compiles('#include <malloc.h>', name : 'malloc.h')
273 glib_conf.set('HAVE_MALLOC_H', 1)
274 glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
275 endif
277 if cc.has_header('linux/netlink.h')
278 glib_conf.set('HAVE_NETLINK', 1)
279 endif
281 if glib_conf.has('HAVE_LOCALE_H')
282 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
283 glib_conf.set('HAVE_LC_MESSAGES', 1)
284 endif
285 endif
287 struct_stat_blkprefix = '''
288 #include <sys/types.h>
289 #include <sys/stat.h>
290 #ifdef HAVE_UNISTD_H
291 #include <unistd.h>
292 #endif
293 #ifdef HAVE_SYS_STATFS_H
294 #include <sys/statfs.h>
295 #endif
296 #ifdef HAVE_SYS_PARAM_H
297 #include <sys/param.h>
298 #endif
299 #ifdef HAVE_SYS_MOUNT_H
300 #include <sys/mount.h>
301 #endif
302 '''
304 struct_members = [
305 [ 'stat', 'st_mtimensec' ],
306 [ 'stat', 'st_mtim.tv_nsec' ],
307 [ 'stat', 'st_atimensec' ],
308 [ 'stat', 'st_atim.tv_nsec' ],
309 [ 'stat', 'st_ctimensec' ],
310 [ 'stat', 'st_ctim.tv_nsec' ],
311 [ 'stat', 'st_birthtime' ],
312 [ 'stat', 'st_birthtimensec' ],
313 [ 'stat', 'st_birthtim' ],
314 [ 'stat', 'st_birthtim.tv_nsec' ],
315 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
316 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
317 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
318 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
319 [ 'dirent', 'd_type', '''#include <sys/types.h>
320 #include <dirent.h>''' ],
321 [ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
322 [ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
323 [ 'tm', 'tm_gmtoff', '#include <time.h>' ],
324 [ 'tm', '__tm_gmtoff', '#include <time.h>' ],
325 ]
327 foreach m : struct_members
328 header_check_prefix = glib_conf_prefix
329 if m.length() == 3
330 header_check_prefix = header_check_prefix + m[2]
331 else
332 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
333 endif
334 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
335 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
336 glib_conf.set(define, 1)
337 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
338 else
339 endif
340 endforeach
342 # Compiler flags
343 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
344 test_c_args = [
345 '-Wall',
346 '-Wduplicated-branches',
347 '-Wmisleading-indentation',
348 '-Wstrict-prototypes',
349 '-Wunused',
350 # Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
351 # building with -Wbad-function-cast.
352 '-Wno-bad-function-cast',
353 '-Werror=declaration-after-statement',
354 '-Werror=format=2',
355 '-Werror=format-security',
356 '-Werror=implicit-function-declaration',
357 '-Werror=init-self',
358 '-Werror=missing-include-dirs',
359 '-Werror=missing-prototypes',
360 '-Werror=pointer-arith',
361 ]
362 test_c_link_args = [
363 '-Wl,-z,nodelete',
364 ]
365 if get_option('bsymbolic_functions')
366 test_c_link_args += ['-Wl,-Bsymbolic-functions']
367 endif
368 else
369 test_c_args = []
370 test_c_link_args = []
371 endif
373 add_project_arguments(cc.get_supported_arguments(test_c_args), language: 'c')
375 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
376 # means we cannot use that flag in add_project_link_arguments(), and must add
377 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
378 # because that is what the autotools build did.
379 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
380 # improve this.
381 glib_link_flags = cc.get_supported_link_arguments(test_c_link_args)
383 # Windows Support (7+)
384 if host_system == 'windows'
385 glib_conf.set('_WIN32_WINNT', '0x0601')
386 endif
388 functions = [
389 'alloca',
390 'endmntent',
391 'endservent',
392 'fallocate',
393 'fchmod',
394 'fchown',
395 'fdwalk',
396 'fsync',
397 'getc_unlocked',
398 'getfsstat',
399 'getgrgid_r',
400 'getmntent_r',
401 'getpwuid_r',
402 'getresuid',
403 'getvfsstat',
404 'gmtime_r',
405 'hasmntopt',
406 'inotify_init1',
407 'issetugid',
408 'kevent',
409 'kqueue',
410 'lchmod',
411 'lchown',
412 'link',
413 'localtime_r',
414 'lstat',
415 'mbrtowc',
416 'memalign',
417 'mmap',
418 'newlocale',
419 'pipe2',
420 'poll',
421 'prlimit',
422 'readlink',
423 'recvmmsg',
424 'sendmmsg',
425 'setenv',
426 'setmntent',
427 'strerror_r',
428 'strnlen',
429 'strsignal',
430 'strtod_l',
431 'strtoll_l',
432 'strtoull_l',
433 'symlink',
434 'timegm',
435 'unsetenv',
436 'uselocale',
437 'utimes',
438 'valloc',
439 'vasprintf',
440 'vsnprintf',
441 'wcrtomb',
442 'wcslen',
443 'wcsnlen',
444 'sysctlbyname',
445 '_NSGetEnviron',
446 ]
448 if glib_conf.has('HAVE_SYS_STATVFS_H')
449 functions += ['statvfs']
450 else
451 have_func_statvfs = false
452 endif
453 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
454 functions += ['statfs']
455 else
456 have_func_statfs = false
457 endif
459 if host_system == 'windows'
460 iphlpapi_dep = cc.find_library('iphlpapi')
461 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
462 foreach ifunc : iphlpapi_funcs
463 iphl_prefix = '''#define _WIN32_WINNT @0@
464 #include <winsock2.h>
465 #include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
466 if cc.has_function(ifunc,
467 prefix : iphl_prefix,
468 dependencies : iphlpapi_dep)
469 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
470 glib_conf.set(idefine, 1)
471 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
472 set_variable('have_func_' + ifunc, true)
473 else
474 set_variable('have_func_' + ifunc, false)
475 endif
476 endforeach
477 else
478 functions += ['if_indextoname', 'if_nametoindex']
479 endif
481 # AIX splice is something else
482 if host_system != 'aix'
483 functions += ['splice']
484 endif
486 foreach f : functions
487 if cc.has_function(f)
488 define = 'HAVE_' + f.underscorify().to_upper()
489 glib_conf.set(define, 1)
490 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
491 set_variable('have_func_' + f, true)
492 else
493 set_variable('have_func_' + f, false)
494 endif
495 endforeach
497 # Check that stpcpy() is usable; must use header
498 if cc.has_function('stpcpy', prefix : '#include <string.h>')
499 glib_conf.set('HAVE_STPCPY', 1)
500 endif
502 # Check that posix_memalign() is usable; must use header
503 if cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
504 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
505 endif
507 # Check that posix_spawn() is usable; must use header
508 if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
509 glib_conf.set('HAVE_POSIX_SPAWN', 1)
510 endif
512 # Check whether strerror_r returns char *
513 if have_func_strerror_r
514 if cc.compiles('''#define _GNU_SOURCE
515 #include <string.h>
516 int func (void) {
517 char error_string[256];
518 char *ptr = strerror_r (-2, error_string, 256);
519 char c = *strerror_r (-2, error_string, 256);
520 return c != 0 && ptr != (void*) 0L;
521 }
522 ''',
523 name : 'strerror_r() returns char *')
524 glib_conf.set('STRERROR_R_CHAR_P', 1,
525 description: 'Defined if strerror_r returns char *')
526 endif
527 endif
529 # Special-case these functions that have alternative names on Windows/MSVC
530 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
531 glib_conf.set('HAVE_SNPRINTF', 1)
532 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
533 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
534 hack_define = '1\n#define snprintf _snprintf'
535 glib_conf.set('HAVE_SNPRINTF', hack_define)
536 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
537 endif
539 if cc.has_function('strcasecmp')
540 glib_conf.set('HAVE_STRCASECMP', 1)
541 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
542 elif cc.has_function('_stricmp')
543 hack_define = '1\n#define strcasecmp _stricmp'
544 glib_conf.set('HAVE_STRCASECMP', hack_define)
545 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
546 endif
548 if cc.has_function('strncasecmp')
549 glib_conf.set('HAVE_STRNCASECMP', 1)
550 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
551 elif cc.has_function('_strnicmp')
552 hack_define = '1\n#define strncasecmp _strnicmp'
553 glib_conf.set('HAVE_STRNCASECMP', hack_define)
554 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
555 endif
557 if cc.has_header_symbol('sys/sysmacros.h', 'major')
558 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
559 elif cc.has_header_symbol('sys/mkdev.h', 'major')
560 glib_conf.set('MAJOR_IN_MKDEV', 1)
561 elif cc.has_header_symbol('sys/types.h', 'major')
562 glib_conf.set('MAJOR_IN_TYPES', 1)
563 endif
565 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
566 glib_conf.set('HAVE_RTLD_LAZY', 1)
567 endif
569 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
570 glib_conf.set('HAVE_RTLD_NOW', 1)
571 endif
573 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
574 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
575 endif
577 # Check whether to use statfs or statvfs
578 # Some systems have both statfs and statvfs, pick the most "native" for these
579 if have_func_statfs and have_func_statvfs
580 # on solaris and irix, statfs doesn't even have the f_bavail field
581 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
582 have_func_statfs = false
583 else
584 # at least on linux, statfs is the actual syscall
585 have_func_statvfs = false
586 endif
587 endif
588 if have_func_statfs
589 glib_conf.set('USE_STATFS', 1)
590 stat_func_to_use = 'statfs'
591 elif have_func_statvfs
592 glib_conf.set('USE_STATVFS', 1)
593 stat_func_to_use = 'statvfs'
594 else
595 stat_func_to_use = 'neither'
596 endif
597 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
599 if host_system == 'linux'
600 if cc.has_function('mkostemp',
601 prefix: '''#define _GNU_SOURCE
602 #include <stdlib.h>''')
603 glib_conf.set('HAVE_MKOSTEMP', 1)
604 endif
605 endif
607 osx_ldflags = []
608 glib_have_os_x_9_or_later = false
609 glib_have_carbon = false
610 glib_have_cocoa = false
611 if host_system == 'darwin'
612 add_languages('objc')
613 objcc = meson.get_compiler('objc')
615 osx_ldflags += ['-Wl,-framework,CoreFoundation']
617 # Mac OS X Carbon support
618 glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
619 #include <CoreServices/CoreServices.h>''',
620 name : 'Mac OS X Carbon support')
622 if glib_have_carbon
623 glib_conf.set('HAVE_CARBON', true)
624 osx_ldflags += '-Wl,-framework,Carbon'
625 glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
626 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
627 #error Compiling for minimum OS X version before 10.9
628 #endif''',
629 name : 'OS X 9 or later')
630 endif
632 # Mac OS X Cocoa support
633 glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
634 #ifdef GNUSTEP_BASE_VERSION
635 #error "Detected GNUstep, not Cocoa"
636 #endif''',
637 name : 'Mac OS X Cocoa support')
639 if glib_have_cocoa
640 glib_conf.set('HAVE_COCOA', true)
641 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
642 endif
644 # FIXME: libgio mix C and objC source files and there is no way to reliably
645 # know which language flags it's going to use to link. Add to both languages
646 # for now. See https://github.com/mesonbuild/meson/issues/3585.
647 add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
648 endif
650 # Check for futex(2)
651 if cc.links('''#include <linux/futex.h>
652 #include <sys/syscall.h>
653 #include <unistd.h>
654 int main (int argc, char ** argv) {
655 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
656 return 0;
657 }''', name : 'futex(2) system call')
658 glib_conf.set('HAVE_FUTEX', 1)
659 endif
661 # Check for eventfd(2)
662 if cc.links('''#include <sys/eventfd.h>
663 #include <unistd.h>
664 int main (int argc, char ** argv) {
665 eventfd (0, EFD_CLOEXEC);
666 return 0;
667 }''', name : 'eventfd(2) system call')
668 glib_conf.set('HAVE_EVENTFD', 1)
669 endif
671 clock_gettime_test_code = '''
672 #include <time.h>
673 struct timespec t;
674 int main (int argc, char ** argv) {
675 return clock_gettime(CLOCK_REALTIME, &t);
676 }'''
677 librt = []
678 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
679 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
680 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
681 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
682 librt = cc.find_library('rt')
683 endif
685 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
686 if have_func_statfs
687 if cc.compiles(glib_conf_prefix + '''
688 #include <unistd.h>
689 #ifdef HAVE_SYS_PARAM_H
690 #include <sys/param.h>
691 #endif
692 #ifdef HAVE_SYS_VFS_H
693 #include <sys/vfs.h>
694 #endif
695 #ifdef HAVE_SYS_MOUNT_H
696 #include <sys/mount.h>
697 #endif
698 #ifdef HAVE_SYS_STATFS_H
699 #include <sys/statfs.h>
700 #endif
701 void some_func (void) {
702 struct statfs st;
703 statfs("/", &st);
704 }''', name : 'number of arguments to statfs() (n=2)')
705 glib_conf.set('STATFS_ARGS', 2)
706 elif cc.compiles(glib_conf_prefix + '''
707 #include <unistd.h>
708 #ifdef HAVE_SYS_PARAM_H
709 #include <sys/param.h>
710 #endif
711 #ifdef HAVE_SYS_VFS_H
712 #include <sys/vfs.h>
713 #endif
714 #ifdef HAVE_SYS_MOUNT_H
715 #include <sys/mount.h>
716 #endif
717 #ifdef HAVE_SYS_STATFS_H
718 #include <sys/statfs.h>
719 #endif
720 void some_func (void) {
721 struct statfs st;
722 statfs("/", &st, sizeof (st), 0);
723 }''', name : 'number of arguments to statfs() (n=4)')
724 glib_conf.set('STATFS_ARGS', 4)
725 else
726 error('Unable to determine number of arguments to statfs()')
727 endif
728 endif
730 # open takes O_DIRECTORY as an option
731 #AC_MSG_CHECKING([])
732 if cc.compiles('''#include <fcntl.h>
733 #include <sys/types.h>
734 #include <sys/stat.h>],
735 void some_func (void) {
736 open(0, O_DIRECTORY, 0);
737 }''', name : 'open() option O_DIRECTORY')
738 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
739 endif
741 # Check whether there is a vsnprintf() function with C99 semantics installed.
742 # AC_FUNC_VSNPRINTF_C99
743 # Check whether there is a snprintf() function with C99 semantics installed.
744 # AC_FUNC_SNPRINTF_C99
746 have_good_vsnprintf = false
747 have_good_snprintf = false
749 if host_system == 'windows' and cc.get_id() == 'msvc'
750 # Unfortunately the Visual Studio 2015+ implementations of C99-style
751 # snprintf and vsnprintf don't seem to be quite good enough.
752 # (Sorry, I don't know exactly what is the problem,
753 # but it is related to floating point formatting and decimal point vs. comma.)
754 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
755 # rigorous enough to notice, though.
756 glib_conf.set('HAVE_C99_SNPRINTF', false)
757 glib_conf.set('HAVE_C99_VSNPRINTF', false)
758 else
759 vsnprintf_c99_test_code = '''
760 #include <stdio.h>
761 #include <stdarg.h>
763 int
764 doit(char * s, ...)
765 {
766 char buffer[32];
767 va_list args;
768 int r;
770 va_start(args, s);
771 r = vsnprintf(buffer, 5, s, args);
772 va_end(args);
774 if (r != 7)
775 exit(1);
777 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
778 implementation. The above will return 7 but if you replace
779 the size of the buffer with 0, it borks! */
780 va_start(args, s);
781 r = vsnprintf(buffer, 0, s, args);
782 va_end(args);
784 if (r != 7)
785 exit(1);
787 exit(0);
788 }
790 int
791 main(void)
792 {
793 doit("1234567");
794 exit(1);
795 }'''
797 if cc_can_run
798 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
799 if rres.compiled() and rres.returncode() == 0
800 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
801 have_good_vsnprintf = true
802 endif
803 else
804 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
805 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
806 endif
808 snprintf_c99_test_code = '''
809 #include <stdio.h>
810 #include <stdarg.h>
812 int
813 doit()
814 {
815 char buffer[32];
816 va_list args;
817 int r;
819 r = snprintf(buffer, 5, "1234567");
821 if (r != 7)
822 exit(1);
824 r = snprintf(buffer, 0, "1234567");
826 if (r != 7)
827 exit(1);
829 r = snprintf(NULL, 0, "1234567");
831 if (r != 7)
832 exit(1);
834 exit(0);
835 }
837 int
838 main(void)
839 {
840 doit();
841 exit(1);
842 }'''
844 if cc_can_run
845 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
846 if rres.compiled() and rres.returncode() == 0
847 glib_conf.set('HAVE_C99_SNPRINTF', 1)
848 have_good_snprintf = true
849 endif
850 else
851 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
852 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
853 endif
854 endif
856 if host_system == 'windows'
857 glib_conf.set_quoted('EXEEXT', '.exe')
858 else
859 glib_conf.set('EXEEXT', '')
860 endif
862 if have_good_vsnprintf and have_good_snprintf
863 # Our printf is 'good' only if vsnpintf()/snprintf() supports C99 well enough
864 glib_conf.set('HAVE_GOOD_PRINTF', 1) # FIXME: Check for HAVE_UNIX98_PRINTF?
865 else
866 glib_conf.set('HAVE_VASPRINTF', 1)
867 endif
869 # Check whether the printf() family supports Unix98 %n$ positional parameters
870 # AC_FUNC_PRINTF_UNIX98
871 # Nothing uses HAVE_UNIX98_PRINTF
874 # Check for nl_langinfo and CODESET
875 # FIXME: Check for HAVE_BIND_TEXTDOMAIN_CODESET
876 if cc.links('''#include <langinfo.h>
877 int main (int argc, char ** argv) {
878 char *codeset = nl_langinfo (CODESET);
879 return 0;
880 }''', name : 'nl_langinfo and CODESET')
881 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
882 glib_conf.set('HAVE_CODESET', 1)
883 endif
885 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
886 if cc.links('''#include <langinfo.h>
887 int main (int argc, char ** argv) {
888 char *str;
889 str = nl_langinfo (PM_STR);
890 str = nl_langinfo (D_T_FMT);
891 str = nl_langinfo (D_FMT);
892 str = nl_langinfo (T_FMT);
893 str = nl_langinfo (T_FMT_AMPM);
894 str = nl_langinfo (MON_1);
895 str = nl_langinfo (ABMON_12);
896 str = nl_langinfo (DAY_1);
897 str = nl_langinfo (ABDAY_7);
898 return 0;
899 }''', name : 'nl_langinfo (PM_STR)')
900 glib_conf.set('HAVE_LANGINFO_TIME', 1)
901 endif
902 if cc.links('''#include <langinfo.h>
903 int main (int argc, char ** argv) {
904 char *str;
905 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
906 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
907 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
908 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
909 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
910 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
911 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
912 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
913 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
914 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
915 return 0;
916 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
917 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
918 endif
920 # Check for nl_langinfo and alternative month names
921 if cc.links('''#ifndef _GNU_SOURCE
922 # define _GNU_SOURCE
923 #endif
924 #include <langinfo.h>
925 int main (int argc, char ** argv) {
926 char *str;
927 str = nl_langinfo (ALTMON_1);
928 str = nl_langinfo (ALTMON_2);
929 str = nl_langinfo (ALTMON_3);
930 str = nl_langinfo (ALTMON_4);
931 str = nl_langinfo (ALTMON_5);
932 str = nl_langinfo (ALTMON_6);
933 str = nl_langinfo (ALTMON_7);
934 str = nl_langinfo (ALTMON_8);
935 str = nl_langinfo (ALTMON_9);
936 str = nl_langinfo (ALTMON_10);
937 str = nl_langinfo (ALTMON_11);
938 str = nl_langinfo (ALTMON_12);
939 return 0;
940 }''', name : 'nl_langinfo (ALTMON_n)')
941 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
942 endif
944 # Check for nl_langinfo and abbreviated alternative month names
945 if cc.links('''#ifndef _GNU_SOURCE
946 # define _GNU_SOURCE
947 #endif
948 #include <langinfo.h>
949 int main (int argc, char ** argv) {
950 char *str;
951 str = nl_langinfo (_NL_ALTMON_1);
952 str = nl_langinfo (_NL_ALTMON_2);
953 str = nl_langinfo (_NL_ALTMON_3);
954 str = nl_langinfo (_NL_ALTMON_4);
955 str = nl_langinfo (_NL_ALTMON_5);
956 str = nl_langinfo (_NL_ALTMON_6);
957 str = nl_langinfo (_NL_ALTMON_7);
958 str = nl_langinfo (_NL_ALTMON_8);
959 str = nl_langinfo (_NL_ALTMON_9);
960 str = nl_langinfo (_NL_ALTMON_10);
961 str = nl_langinfo (_NL_ALTMON_11);
962 str = nl_langinfo (_NL_ALTMON_12);
963 return 0;
964 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
965 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
966 endif
968 # Check if C compiler supports the 'signed' keyword
969 if not cc.compiles('''signed char x;''', name : 'signed')
970 glib_conf.set('signed', '/* NOOP */')
971 endif
973 # Check if the ptrdiff_t type exists
974 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
975 glib_conf.set('HAVE_PTRDIFF_T', 1)
976 endif
978 # Check for sig_atomic_t type
979 if cc.links('''#include <signal.h>
980 #include <sys/types.h>
981 sig_atomic_t val = 42;
982 int main (int argc, char ** argv) {
983 return val == 42 ? 0 : 1;
984 }''', name : 'sig_atomic_t')
985 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
986 endif
988 # Check if 'long long' works
989 # jm_AC_TYPE_LONG_LONG
990 if cc.compiles('''long long ll = 1LL;
991 int i = 63;
992 int some_func (void) {
993 long long llmax = (long long) -1;
994 return ll << i | ll >> i | llmax / ll | llmax % ll;
995 }''', name : 'long long')
996 glib_conf.set('HAVE_LONG_LONG', 1)
997 have_long_long = true
998 else
999 have_long_long = false
1000 endif
1002 # Test whether the compiler supports the 'long double' type.
1003 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
1004 long double foo = 0.0;
1005 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
1006 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
1007 name : 'long double')
1008 glib_conf.set('HAVE_LONG_DOUBLE', 1)
1009 endif
1011 # Test whether <stddef.h> has the 'wchar_t' type.
1012 if cc.has_header_symbol('stddef.h', 'wchar_t')
1013 glib_conf.set('HAVE_WCHAR_T', 1)
1014 endif
1016 # Test whether <wchar.h> has the 'wint_t' type.
1017 if cc.has_header_symbol('wchar.h', 'wint_t')
1018 glib_conf.set('HAVE_WINT_T', 1)
1019 endif
1021 found_uintmax_t = false
1023 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
1024 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1025 # jm_AC_HEADER_INTTYPES_H
1026 if cc.compiles('''#include <sys/types.h>
1027 #include <inttypes.h>
1028 void some_func (void) {
1029 uintmax_t i = (uintmax_t) -1;
1030 }''', name : 'uintmax_t in inttypes.h')
1031 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1032 found_uintmax_t = true
1033 endif
1035 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1036 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1037 # jm_AC_HEADER_STDINT_H
1038 if cc.compiles('''#include <sys/types.h>
1039 #include <stdint.h>
1040 void some_func (void) {
1041 uintmax_t i = (uintmax_t) -1;
1042 }''', name : 'uintmax_t in stdint.h')
1043 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1044 found_uintmax_t = true
1045 endif
1047 # Define intmax_t to 'long' or 'long long'
1048 # if it is not already defined in <stdint.h> or <inttypes.h>.
1049 # For simplicity, we assume that a header file defines 'intmax_t' if and
1050 # only if it defines 'uintmax_t'.
1051 if found_uintmax_t
1052 glib_conf.set('HAVE_INTMAX_T', 1)
1053 elif have_long_long
1054 glib_conf.set('intmax_t', 'long long')
1055 else
1056 glib_conf.set('intmax_t', 'long')
1057 endif
1059 char_size = cc.sizeof('char')
1060 short_size = cc.sizeof('short')
1061 int_size = cc.sizeof('int')
1062 voidp_size = cc.sizeof('void*')
1063 long_size = cc.sizeof('long')
1064 if have_long_long
1065 long_long_size = cc.sizeof('long long')
1066 else
1067 long_long_size = 0
1068 endif
1069 sizet_size = cc.sizeof('size_t')
1070 if cc.get_id() == 'msvc'
1071 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1072 else
1073 ssizet_size = cc.sizeof('ssize_t')
1074 endif
1076 int64_m = 'll'
1077 char_align = cc.alignment('char')
1078 short_align = cc.alignment('short')
1079 int_align = cc.alignment('int')
1080 voidp_align = cc.alignment('void*')
1081 long_align = cc.alignment('long')
1082 long_long_align = cc.alignment('long long')
1083 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1084 # be 64-bit in C99, and it is available on all supported compilers
1085 sizet_align = cc.alignment('size_t')
1087 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1089 glib_conf.set('SIZEOF_CHAR', char_size)
1090 glib_conf.set('SIZEOF_INT', int_size)
1091 glib_conf.set('SIZEOF_SHORT', short_size)
1092 glib_conf.set('SIZEOF_LONG', long_size)
1093 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1094 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1095 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1096 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1098 if short_size == 2
1099 gint16 = 'short'
1100 gint16_modifier='h'
1101 gint16_format='hi'
1102 guint16_format='hu'
1103 elif int_size == 2
1104 gint16 = 'int'
1105 gint16_modifier=''
1106 gint16_format='i'
1107 guint16_format='u'
1108 else
1109 error('Compiler provides no native 16-bit integer type')
1110 endif
1111 glibconfig_conf.set('gint16', gint16)
1112 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1113 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1114 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1116 if short_size == 4
1117 gint32 = 'short'
1118 gint32_modifier='h'
1119 gint32_format='hi'
1120 guint32_format='hu'
1121 guint32_align = short_align
1122 elif int_size == 4
1123 gint32 = 'int'
1124 gint32_modifier=''
1125 gint32_format='i'
1126 guint32_format='u'
1127 guint32_align = int_align
1128 elif long_size == 4
1129 gint32 = 'long'
1130 gint32_modifier='l'
1131 gint32_format='li'
1132 guint32_format='lu'
1133 guint32_align = long_align
1134 else
1135 error('Compiler provides no native 32-bit integer type')
1136 endif
1137 glibconfig_conf.set('gint32', gint32)
1138 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1139 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1140 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1141 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1143 if int_size == 8
1144 gint64 = 'int'
1145 gint64_modifier=''
1146 gint64_format='i'
1147 guint64_format='u'
1148 glib_extension=''
1149 gint64_constant='(val)'
1150 guint64_constant='(val)'
1151 guint64_align = int_align
1152 elif long_size == 8
1153 gint64 = 'long'
1154 glib_extension=''
1155 gint64_modifier='l'
1156 gint64_format='li'
1157 guint64_format='lu'
1158 gint64_constant='(val##L)'
1159 guint64_constant='(val##UL)'
1160 guint64_align = long_align
1161 elif long_long_size == 8
1162 gint64 = 'long long'
1163 glib_extension='G_GNUC_EXTENSION '
1164 gint64_modifier=int64_m
1165 gint64_format=int64_m + 'i'
1166 guint64_format=int64_m + 'u'
1167 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1168 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1169 guint64_align = long_long_align
1170 else
1171 error('Compiler provides no native 64-bit integer type')
1172 endif
1173 glibconfig_conf.set('glib_extension', glib_extension)
1174 glibconfig_conf.set('gint64', gint64)
1175 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1176 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1177 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1178 glibconfig_conf.set('gint64_constant', gint64_constant)
1179 glibconfig_conf.set('guint64_constant', guint64_constant)
1180 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1182 if host_system == 'windows'
1183 glibconfig_conf.set('g_pid_type', 'void*')
1184 glibconfig_conf.set_quoted('g_pid_format', 'p')
1185 if host_machine.cpu_family() == 'x86_64'
1186 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1187 else
1188 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1189 endif
1190 glibconfig_conf.set('g_dir_separator', '\\\\')
1191 glibconfig_conf.set('g_searchpath_separator', ';')
1192 else
1193 glibconfig_conf.set('g_pid_type', 'int')
1194 glibconfig_conf.set_quoted('g_pid_format', 'i')
1195 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1196 glibconfig_conf.set('g_dir_separator', '/')
1197 glibconfig_conf.set('g_searchpath_separator', ':')
1198 endif
1200 if sizet_size == short_size
1201 glibconfig_conf.set('glib_size_type_define', 'short')
1202 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1203 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1204 glibconfig_conf.set_quoted('gsize_format', 'hu')
1205 glibconfig_conf.set_quoted('gssize_format', 'hi')
1206 glibconfig_conf.set('glib_msize_type', 'SHRT')
1207 elif sizet_size == int_size
1208 glibconfig_conf.set('glib_size_type_define', 'int')
1209 glibconfig_conf.set_quoted('gsize_modifier', '')
1210 glibconfig_conf.set_quoted('gssize_modifier', '')
1211 glibconfig_conf.set_quoted('gsize_format', 'u')
1212 glibconfig_conf.set_quoted('gssize_format', 'i')
1213 glibconfig_conf.set('glib_msize_type', 'INT')
1214 elif sizet_size == long_size
1215 glibconfig_conf.set('glib_size_type_define', 'long')
1216 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1217 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1218 glibconfig_conf.set_quoted('gsize_format', 'lu')
1219 glibconfig_conf.set_quoted('gssize_format', 'li')
1220 glibconfig_conf.set('glib_msize_type', 'LONG')
1221 elif sizet_size == long_long_size
1222 glibconfig_conf.set('glib_size_type_define', 'long long')
1223 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1224 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1225 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1226 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1227 glibconfig_conf.set('glib_msize_type', 'INT64')
1228 else
1229 error('Could not determine size of size_t.')
1230 endif
1232 if voidp_size == int_size
1233 glibconfig_conf.set('glib_intptr_type_define', 'int')
1234 glibconfig_conf.set_quoted('gintptr_modifier', '')
1235 glibconfig_conf.set_quoted('gintptr_format', 'i')
1236 glibconfig_conf.set_quoted('guintptr_format', 'u')
1237 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1238 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1239 elif voidp_size == long_size
1240 glibconfig_conf.set('glib_intptr_type_define', 'long')
1241 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1242 glibconfig_conf.set_quoted('gintptr_format', 'li')
1243 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1244 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1245 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1246 elif voidp_size == long_long_size
1247 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1248 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1249 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1250 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1251 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1252 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1253 else
1254 error('Could not determine size of void *')
1255 endif
1257 if long_size != 8 and long_long_size != 8 and int_size != 8
1258 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1259 endif
1261 glibconfig_conf.set('gintbits', int_size * 8)
1262 glibconfig_conf.set('glongbits', long_size * 8)
1263 glibconfig_conf.set('gsizebits', sizet_size * 8)
1264 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1266 # FIXME: maybe meson should tell us the libsuffix?
1267 if host_system == 'windows'
1268 g_module_suffix = 'dll'
1269 elif host_system == 'darwin'
1270 g_module_suffix = 'dylib'
1271 else
1272 g_module_suffix = 'so'
1273 endif
1274 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1276 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1277 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1278 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1279 glibconfig_conf.set('GLIB_VERSION', glib_version)
1281 glibconfig_conf.set('glib_void_p', voidp_size)
1282 glibconfig_conf.set('glib_long', long_size)
1283 glibconfig_conf.set('glib_size_t', sizet_size)
1284 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1285 if host_machine.endian() == 'big'
1286 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1287 glibconfig_conf.set('g_bs_native', 'BE')
1288 glibconfig_conf.set('g_bs_alien', 'LE')
1289 else
1290 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1291 glibconfig_conf.set('g_bs_native', 'LE')
1292 glibconfig_conf.set('g_bs_alien', 'BE')
1293 endif
1295 # === va_copy checks ===
1296 # we currently check for all three va_copy possibilities, so we get
1297 # all results in config.log for bug reports.
1299 va_copy_func = ''
1300 foreach try_func : [ '__va_copy', 'va_copy' ]
1301 if cc.compiles('''#include <stdarg.h>
1302 #include <stdlib.h>
1303 #ifdef _MSC_VER
1304 # include "msvc_recommended_pragmas.h"
1305 #endif
1306 void f (int i, ...) {
1307 va_list args1, args2;
1308 va_start (args1, i);
1309 @0@ (args2, args1);
1310 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1311 exit (1);
1312 va_end (args1); va_end (args2);
1313 }
1314 int main() {
1315 f (0, 42);
1316 return 0;
1317 }'''.format(try_func),
1318 name : try_func + ' check')
1319 va_copy_func = try_func
1320 endif
1321 endforeach
1322 if va_copy_func != ''
1323 glib_conf.set('G_VA_COPY', va_copy_func)
1324 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1325 else
1326 glib_vacopy = '/* #undef G_VA_COPY */'
1327 endif
1329 va_list_val_copy_prog = '''
1330 #include <stdarg.h>
1331 #include <stdlib.h>
1332 void f (int i, ...) {
1333 va_list args1, args2;
1334 va_start (args1, i);
1335 args2 = args1;
1336 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1337 exit (1);
1338 va_end (args1); va_end (args2);
1339 }
1340 int main() {
1341 f (0, 42);
1342 return 0;
1343 }'''
1345 if cc_can_run
1346 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1347 glib_va_val_copy = rres.returncode() == 0
1348 else
1349 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1350 endif
1351 if not glib_va_val_copy
1352 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1353 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1354 endif
1355 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1357 # check for flavours of varargs macros
1358 g_have_iso_c_varargs = cc.compiles('''
1359 void some_func (void) {
1360 int a(int p1, int p2, int p3);
1361 #define call_a(...) a(1,__VA_ARGS__)
1362 call_a(2,3);
1363 }''', name : 'ISO C99 varargs macros in C')
1365 if g_have_iso_c_varargs
1366 glibconfig_conf.set('g_have_iso_c_varargs', '''
1367 #ifndef __cplusplus
1368 # define G_HAVE_ISO_VARARGS 1
1369 #endif''')
1370 endif
1372 g_have_iso_cxx_varargs = cxx.compiles('''
1373 void some_func (void) {
1374 int a(int p1, int p2, int p3);
1375 #define call_a(...) a(1,__VA_ARGS__)
1376 call_a(2,3);
1377 }''', name : 'ISO C99 varargs macros in C++')
1379 if g_have_iso_cxx_varargs
1380 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1381 #ifdef __cplusplus
1382 # define G_HAVE_ISO_VARARGS 1
1383 #endif''')
1384 endif
1386 g_have_gnuc_varargs = cc.compiles('''
1387 void some_func (void) {
1388 int a(int p1, int p2, int p3);
1389 #define call_a(params...) a(1,params)
1390 call_a(2,3);
1391 }''', name : 'GNUC varargs macros')
1393 if cc.has_header('alloca.h')
1394 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1395 endif
1396 has_syspoll = cc.has_header('sys/poll.h')
1397 has_systypes = cc.has_header('sys/types.h')
1398 if has_syspoll
1399 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1400 endif
1401 has_winsock2 = cc.has_header('winsock2.h')
1403 if has_syspoll and has_systypes
1404 poll_includes = '''
1405 #include<sys/poll.h>
1406 #include<sys/types.h>'''
1407 elif has_winsock2
1408 poll_includes = '''
1409 #define _WIN32_WINNT @0@
1410 #include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
1411 else
1412 # FIXME?
1413 error('FIX POLL* defines')
1414 endif
1416 poll_defines = [
1417 [ 'POLLIN', 'g_pollin', 1 ],
1418 [ 'POLLOUT', 'g_pollout', 4 ],
1419 [ 'POLLPRI', 'g_pollpri', 2 ],
1420 [ 'POLLERR', 'g_pollerr', 8 ],
1421 [ 'POLLHUP', 'g_pollhup', 16 ],
1422 [ 'POLLNVAL', 'g_pollnval', 32 ],
1423 ]
1425 if has_syspoll and has_systypes
1426 foreach d : poll_defines
1427 val = cc.compute_int(d[0], prefix: poll_includes)
1428 glibconfig_conf.set(d[1], val)
1429 endforeach
1430 elif has_winsock2
1431 # Due to a missed bug in configure.ac the poll test
1432 # never succeeded on Windows and used some pre-defined
1433 # values as a fallback. Keep using them to maintain
1434 # ABI compatibility with autotools builds of glibs
1435 # and with *any* glib-using code compiled against them,
1436 # since these values end up in a public header glibconfig.h.
1437 foreach d : poll_defines
1438 glibconfig_conf.set(d[1], d[2])
1439 endforeach
1440 endif
1442 # Internet address families
1443 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1444 if host_system == 'windows'
1445 inet_includes = '''
1446 #include <winsock2.h>'''
1447 else
1448 inet_includes = '''
1449 #include <sys/types.h>
1450 #include <sys/socket.h>'''
1451 endif
1453 inet_defines = [
1454 [ 'AF_UNIX', 'g_af_unix' ],
1455 [ 'AF_INET', 'g_af_inet' ],
1456 [ 'AF_INET6', 'g_af_inet6' ],
1457 [ 'MSG_OOB', 'g_msg_oob' ],
1458 [ 'MSG_PEEK', 'g_msg_peek' ],
1459 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1460 ]
1461 foreach d : inet_defines
1462 val = cc.compute_int(d[0], prefix: inet_includes)
1463 glibconfig_conf.set(d[1], val)
1464 endforeach
1466 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', true) # FIXME!
1468 # We need a more robust approach here...
1469 host_cpu_family = host_machine.cpu_family()
1470 if host_cpu_family == 'x86' or host_cpu_family == 'x86_64' or host_cpu_family == 's390' or host_cpu_family == 's390x' or host_cpu_family.startswith('arm') or host_cpu_family.startswith('crisv32') or host_cpu_family.startswith('etrax')
1471 glib_memory_barrier_needed = false
1472 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1473 glib_memory_barrier_needed = true
1474 else
1475 warning('Unknown host cpu: ' + host_cpu_family)
1476 glib_memory_barrier_needed = true
1477 endif
1478 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1480 # We need to decide at configure time if GLib will use real atomic
1481 # operations ("lock free") or emulated ones with a mutex. This is
1482 # because we must put this information in glibconfig.h so we know if
1483 # it is safe or not to inline using compiler intrinsics directly from
1484 # the header.
1485 #
1486 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1487 # user is interested in knowing if they can use the atomic ops across
1488 # processes.
1489 #
1490 # We can currently support the atomic ops natively when building GLib
1491 # with recent versions of GCC or MSVC.
1492 #
1493 # Note that the atomic ops are only available with GCC on x86 when
1494 # using -march=i486 or higher. If we detect that the atomic ops are
1495 # not available but would be available given the right flags, we want
1496 # to abort and advise the user to fix their CFLAGS. It's better to do
1497 # that then to silently fall back on emulated atomic ops just because
1498 # the user had the wrong build environment.
1499 atomictest = '''int main() {
1500 volatile int atomic = 2;
1501 __sync_bool_compare_and_swap (&atomic, 2, 3);
1502 return 0;
1503 }
1504 '''
1506 atomicdefine = '''
1507 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1508 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1509 #endif
1510 '''
1512 # We know that we can always use real ("lock free") atomic operations with MSVC
1513 if cc.get_id() == 'msvc' or cc.links(atomictest, name : 'atomic ops')
1514 have_atomic_lock_free = true
1515 if host_system == 'android' and not cc.compiles(atomicdefine, name : 'atomic ops define')
1516 # When building for armv5 on Android, gcc 4.9 provides
1517 # __sync_bool_compare_and_swap but doesn't define
1518 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1519 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1520 endif
1521 else
1522 have_atomic_lock_free = false
1523 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1524 error('GLib must be built with -march=i486 or later.')
1525 endif
1526 endif
1527 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1529 # === Threads ===
1531 # Determination of thread implementation
1532 if host_system == 'windows' and not get_option('force_posix_threads')
1533 thread_dep = []
1534 threads_implementation = 'win32'
1535 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1536 glib_conf.set('THREADS_WIN32', 1)
1537 else
1538 thread_dep = dependency('threads')
1539 threads_implementation = 'posix'
1540 pthread_prefix = '''
1541 #ifndef _GNU_SOURCE
1542 # define _GNU_SOURCE
1543 #endif
1544 #include <pthread.h>'''
1545 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1546 glib_conf.set('THREADS_POSIX', 1)
1547 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1548 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1549 endif
1550 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1551 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1552 endif
1553 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1554 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1555 endif
1556 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1557 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1558 endif
1559 # Assume that pthread_setname_np is available in some form; same as configure
1560 if cc.links(pthread_prefix + '''
1561 int main() {
1562 pthread_setname_np("example");
1563 return 0;
1564 }''',
1565 name : 'pthread_setname_np(const char*)',
1566 dependencies : thread_dep)
1567 # macOS and iOS
1568 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1569 elif cc.links(pthread_prefix + '''
1570 int main() {
1571 pthread_setname_np(pthread_self(), "example");
1572 return 0;
1573 }''',
1574 name : 'pthread_setname_np(pthread_t, const char*)',
1575 dependencies : thread_dep)
1576 # Linux, Solaris, etc.
1577 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1578 endif
1579 endif
1581 # FIXME: we should make it print the result and always return 0, so that
1582 # the output in meson shows up as green
1583 stack_grows_check_prog = '''
1584 volatile int *a = 0, *b = 0;
1585 void f (int i) {
1586 volatile int x = 5;
1587 if (i == 0)
1588 b = &x;
1589 else
1590 f (i - 1);
1591 }
1592 int main () {
1593 volatile int y = 7;
1594 a = &y;
1595 f (100);
1596 return b > a ? 0 : 1;
1597 }'''
1599 if cc_can_run
1600 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1601 growing_stack = rres.returncode() == 0
1602 else
1603 growing_stack = meson.get_cross_property('growing_stack', false)
1604 endif
1606 glibconfig_conf.set('G_HAVE_GROWING_STACK', growing_stack)
1608 # Tests for iconv
1609 #
1610 # USE_LIBICONV_GNU: Using GNU libiconv
1611 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1612 #
1613 # We should never use the MinGW C library's iconv. On Windows we use the
1614 # GNU implementation that ships with MinGW.
1616 # On Windows, just always use the built-in implementation
1617 if host_system == 'windows'
1618 libiconv = []
1619 glib_conf.set('USE_LIBICONV_NATIVE', true)
1620 else
1621 found_iconv = false
1622 iconv_opt = get_option('iconv')
1623 if iconv_opt == 'libc'
1624 if cc.has_function('iconv_open')
1625 libiconv = []
1626 found_iconv = true
1627 endif
1628 elif iconv_opt == 'gnu'
1629 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1630 glib_conf.set('USE_LIBICONV_GNU', true)
1631 libiconv = [cc.find_library('iconv')]
1632 found_iconv = true
1633 endif
1634 elif iconv_opt == 'native'
1635 if cc.has_header_symbol('iconv.h', 'iconv_open')
1636 glib_conf.set('USE_LIBICONV_NATIVE', true)
1637 libiconv = [cc.find_library('iconv')]
1638 found_iconv = true
1639 endif
1640 endif
1642 if not found_iconv
1643 error('iconv implementation "@0@" not found'.format(iconv_opt))
1644 endif
1646 endif
1648 if get_option('internal_pcre')
1649 pcre = []
1650 use_system_pcre = false
1651 else
1652 pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
1653 if not pcre.found()
1654 if cc.get_id() == 'msvc'
1655 # MSVC: Search for the PCRE library by the configuration, which corresponds
1656 # to the output of CMake builds of PCRE. Note that debugoptimized
1657 # is really a Release build with .PDB files.
1658 if buildtype == 'debug'
1659 pcre = cc.find_library('pcred', required : false)
1660 else
1661 pcre = cc.find_library('pcre', required : false)
1662 endif
1663 endif
1664 endif
1665 use_system_pcre = pcre.found()
1666 endif
1667 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1669 use_pcre_static_flag = false
1671 if host_system == 'windows'
1672 if not use_system_pcre
1673 use_pcre_static_flag = true
1674 else
1675 pcre_static = cc.links('''#define PCRE_STATIC
1676 #include <pcre.h>
1677 int main() {
1678 void *p = NULL;
1679 pcre_free(p);
1680 return 0;
1681 }''',
1682 dependencies: pcre,
1683 name : 'Windows system PCRE is a static build')
1684 if pcre_static
1685 use_pcre_static_flag = true
1686 endif
1687 endif
1688 endif
1690 libm = cc.find_library('m', required : false)
1691 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1692 if cc.get_id() != 'msvc'
1693 libz_dep = dependency('zlib', fallback : ['zlib', 'zlib_dep'])
1694 else
1695 # MSVC: Don't use the bundled ZLib sources until we are sure that we can't
1696 # find the ZLib .lib
1697 libz_dep = dependency('zlib', required : false)
1699 # MSVC: Search for the ZLib .lib, which corresponds to the results of
1700 # of using ZLib's win32/makefile.msc.
1701 if not libz_dep.found()
1702 libz_dep = cc.find_library('zlib1', required : false)
1703 if not libz_dep.found()
1704 libz_dep = cc.find_library('zlib', required : false)
1705 if not libz_dep.found()
1706 libz_dep = subproject('zlib').get_variable('zlib_dep')
1707 endif
1708 endif
1709 endif
1710 endif
1712 # First check in libc, fallback to libintl, and as last chance build
1713 # proxy-libintl subproject.
1714 # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
1715 # implementations. This could be extended if issues are found in some platforms.
1716 if cc.has_function('ngettext')
1717 libintl = []
1718 else
1719 libintl = cc.find_library('intl', required : false)
1720 if not libintl.found()
1721 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1722 endif
1723 endif
1725 # We require gettext to always be present
1726 glib_conf.set('HAVE_DCGETTEXT', 1)
1727 glib_conf.set('HAVE_GETTEXT', 1)
1729 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1730 # xgettext is optional (on Windows for instance)
1731 xgettext = find_program('xgettext', required : false)
1733 # libmount is only used by gio, but we need to fetch the libs to generate the
1734 # pkg-config file below
1735 libmount_dep = []
1736 if host_system == 'linux' and get_option('libmount')
1737 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1738 glib_conf.set('HAVE_LIBMOUNT', 1)
1739 endif
1741 if host_system == 'windows'
1742 winsock2 = cc.find_library('ws2_32')
1743 endif
1745 selinux_dep = []
1746 if host_system == 'linux' and get_option('selinux')
1747 selinux_dep = [dependency('libselinux')]
1748 glib_conf.set('HAVE_SELINUX', 1)
1749 endif
1751 xattr_dep = []
1752 if host_system != 'windows' and get_option('xattr')
1753 # either glibc or libattr can provide xattr support
1754 # for both of them, we check for getxattr being in
1755 # the library and a valid xattr header.
1757 # try glibc
1758 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1759 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1760 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1761 #failure. try libattr
1762 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1763 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1764 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1765 xattr_dep = [cc.find_library('xattr')]
1766 else
1767 error('No getxattr implementation found in C library or libxattr')
1768 endif
1770 glib_conf.set('HAVE_XATTR', 1)
1771 if cc.compiles(glib_conf_prefix + '''
1772 #include <stdio.h>
1773 #ifdef HAVE_SYS_TYPES_H
1774 #include <sys/types.h>
1775 #endif
1776 #ifdef HAVE_SYS_XATTR_H
1777 #include <sys/xattr.h>
1778 #elif HAVE_ATTR_XATTR_H
1779 #include <attr/xattr.h>
1780 #endif
1782 int main (void) {
1783 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1784 return len;
1785 }''',
1786 name : 'XATTR_NOFOLLOW')
1787 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1788 endif
1789 endif
1791 # Test if we have strlcpy/strlcat with a compatible implementation:
1792 # https://bugzilla.gnome.org/show_bug.cgi?id=53933
1793 if cc_can_run
1794 rres = cc.run('''#include <stdlib.h>
1795 #include <string.h>
1796 int main() {
1797 char p[10];
1798 (void) strlcpy (p, "hi", 10);
1799 if (strlcat (p, "bye", 0) != 3)
1800 return 1;
1801 return 0;
1802 }''',
1803 name : 'OpenBSD strlcpy/strlcat')
1804 if rres.compiled() and rres.returncode() == 0
1805 glib_conf.set('HAVE_STRLCPY', 1)
1806 endif
1807 elif meson.get_cross_property('have_strlcpy', false)
1808 glib_conf.set('HAVE_STRLCPY', 1)
1809 endif
1811 python = import('python').find_installation('python3')
1812 # used for '#!/usr/bin/env <name>'
1813 python_name = 'python3'
1815 # Determine which user environment-dependent files that we want to install
1816 have_bash = find_program('bash', required : false).found() # For completion scripts
1817 have_m4 = find_program('m4', required : false).found() # For m4 macros
1818 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1820 # FIXME: defines in config.h that are not actually used anywhere
1821 # (we add them for now to minimise the diff)
1822 glib_conf.set('HAVE_DLFCN_H', 1)
1823 glib_conf.set('STDC_HEADERS', 1)
1824 glib_conf.set('SIZEOF___INT64', 8)
1826 # FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
1827 if host_system == 'sunos'
1828 glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
1829 glib_conf.set('_XOPEN_SOURCE', 2)
1830 glib_conf.set('__EXTENSIONS__',1)
1831 endif
1833 # Sadly Meson does not expose this value:
1834 # https://github.com/mesonbuild/meson/pull/3460
1835 if host_system == 'windows'
1836 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
1837 # with no explanation. Do the same here for now but this could be revisited if
1838 # if causes issues.
1839 export_dynamic_ldflags = []
1840 elif host_system == 'cygwin'
1841 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
1842 elif host_system == 'darwin'
1843 export_dynamic_ldflags = []
1844 else
1845 export_dynamic_ldflags = ['-Wl,--export-dynamic']
1846 endif
1848 win32_cflags = []
1849 win32_ldflags = []
1850 if host_system == 'windows' and cc.get_id() != 'msvc'
1851 # Ensure MSVC-compatible struct packing convention is used when
1852 # compiling for Win32 with gcc. It is used for the whole project and exposed
1853 # in glib-2.0.pc.
1854 win32_cflags = ['-mms-bitfields']
1855 add_project_arguments(win32_cflags, language : 'c')
1857 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
1858 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
1859 elif host_system == 'cygwin'
1860 win32_ldflags = ['-luser32', '-lkernel32']
1861 endif
1863 # Tracing: dtrace
1864 want_dtrace = get_option('dtrace')
1865 enable_dtrace = false
1867 # Since dtrace support is opt-in we just error out if it was requested but
1868 # is not available. We don't bother with autodetection yet.
1869 if want_dtrace
1870 if glib_have_carbon
1871 error('GLib dtrace support not yet compatible with macOS dtrace')
1872 endif
1873 dtrace = find_program('dtrace', required : true) # error out if not found
1874 if not cc.has_header('sys/sdt.h')
1875 error('dtrace support needs sys/sdt.h header')
1876 endif
1877 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1878 dtrace_obj_gen = generator(dtrace,
1879 output : '@BASENAME@.o',
1880 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1881 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1882 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1883 dtrace_hdr_gen = generator(dtrace,
1884 output : '@BASENAME@.h',
1885 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1886 glib_conf.set('HAVE_DTRACE', 1)
1887 enable_dtrace = true
1888 endif
1890 # systemtap
1891 want_systemtap = get_option('systemtap')
1892 enable_systemtap = false
1894 if want_systemtap and enable_dtrace
1895 tapset_install_dir = get_option('tapset_install_dir')
1896 if tapset_install_dir == ''
1897 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1898 endif
1899 stp_cdata = configuration_data()
1900 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1901 stp_cdata.set('LT_CURRENT', minor_version * 100)
1902 stp_cdata.set('LT_REVISION', micro_version)
1903 enable_systemtap = true
1904 endif
1907 pkg = import('pkgconfig')
1908 windows = import('windows')
1909 subdir('glib')
1910 subdir('gobject')
1911 subdir('gthread')
1912 subdir('gmodule')
1913 subdir('gio')
1914 if xgettext.found()
1915 subdir('po')
1916 endif
1917 subdir('tests')
1919 # Install glib-gettextize executable, if a UNIX-style shell is found
1920 if have_sh
1921 # These should not contain " quotes around the values
1922 gettexize_conf = configuration_data()
1923 gettexize_conf.set('PACKAGE', 'glib')
1924 gettexize_conf.set('VERSION', meson.project_version())
1925 gettexize_conf.set('prefix', glib_prefix)
1926 gettexize_conf.set('datarootdir', glib_datadir)
1927 gettexize_conf.set('datadir', glib_datadir)
1928 configure_file(input : 'glib-gettextize.in',
1929 install : true,
1930 install_dir : 'bin',
1931 output : 'glib-gettextize',
1932 configuration : gettexize_conf)
1933 endif
1935 if have_m4
1936 # Install m4 macros that other projects use
1937 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1938 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1939 endif
1941 if host_system != 'windows'
1942 # Install Valgrind suppression file (except on Windows,
1943 # as Valgrind is currently not supported on Windows)
1944 install_data('glib.supp',
1945 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
1946 endif
1948 configure_file(output : 'config.h', configuration : glib_conf)
1950 if host_system == 'windows'
1951 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
1952 endif
1954 if get_option('man')
1955 xsltproc = find_program('xsltproc', required : true)
1956 xsltproc_command = [
1957 xsltproc,
1958 '--nonet',
1959 '--stringparam', 'man.output.quietly', '1',
1960 '--stringparam', 'funcsynopsis.style', 'ansi',
1961 '--stringparam', 'man.th.extra1.suppress', '1',
1962 '--stringparam', 'man.authors.section.enabled', '0',
1963 '--stringparam', 'man.copyright.section.enabled', '0',
1964 '-o', '@OUTPUT@',
1965 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
1966 '@INPUT@',
1967 ]
1968 man1_dir = get_option('mandir') + '/man1'
1969 endif
1971 gnome = import('gnome')
1972 subdir('docs/reference/glib')
1973 subdir('docs/reference/gobject')
1974 subdir('docs/reference/gio')