1 project('glib', 'c', 'cpp',
3 meson_version : '>= 0.47.0',
5 'buildtype=debugoptimized',
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')
30 # -mms-bitfields vs -fnative-struct ?
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
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')
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')
74 installed_tests_template_tap = files('template-tap.test.in')
76 add_project_arguments('-D_GNU_SOURCE', language: 'c')
78 # Disable strict aliasing;
79 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
80 if cc.has_argument('-fno-strict-aliasing')
81 add_project_arguments('-fno-strict-aliasing', language: 'c')
84 ########################
85 # Configuration begins #
86 ########################
87 glib_conf = configuration_data()
88 glibconfig_conf = configuration_data()
90 # accumulated list of defines as we check for them, so we can easily
91 # use them later in test programs (autoconf does this automatically)
94 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
95 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
96 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
97 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
98 glib_conf.set('GLIB_BINARY_AGE', binary_age)
99 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
100 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
101 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
102 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
103 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
104 glib_conf.set_quoted('PACKAGE_URL', '')
105 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
106 glib_conf.set('ENABLE_NLS', 1)
108 # used by the .rc.in files
109 glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
111 glib_conf.set('_GNU_SOURCE', 1)
113 if host_system == 'windows'
114 # Poll doesn't work on devices on Windows
115 glib_conf.set('BROKEN_POLL', true)
118 if host_system == 'windows' and cc.get_id() != 'msvc'
119 # FIXME: Ideally we shouldn't depend on this on Windows and should use
120 # 64 bit capable Windows API that also works with MSVC.
121 # The autotools build did set this for mingw and while meson sets it
122 # for gcc/clang by default, it doesn't do so on Windows.
123 glib_conf.set('_FILE_OFFSET_BITS', 64)
126 # Check for GNU visibility attributes
127 g_have_gnuc_visibility = cc.compiles('''
129 __attribute__ ((visibility ("hidden")))
134 __attribute__ ((visibility ("internal")))
139 __attribute__ ((visibility ("protected")))
144 __attribute__ ((visibility ("default")))
157 # Not supported by MSVC, but MSVC also won't support visibility,
158 # so it's OK to pass -Werror explicitly. Replace with
159 # override_options : 'werror=true' once that is supported
161 name : 'GNU C visibility attributes test')
163 if g_have_gnuc_visibility
164 glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
167 # Detect and set symbol visibility
168 glib_hidden_visibility_args = []
169 if get_option('default_library') != 'static'
170 if host_system == 'windows'
171 glib_conf.set('DLL_EXPORT', true)
172 if cc.get_id() == 'msvc'
173 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
174 elif cc.has_argument('-fvisibility=hidden')
175 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
176 glib_hidden_visibility_args = ['-fvisibility=hidden']
178 elif cc.has_argument('-fvisibility=hidden')
179 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
180 glib_hidden_visibility_args = ['-fvisibility=hidden']
184 if host_system == 'windows' and get_option('default_library') == 'static'
185 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
186 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
189 # FIXME: what about Cygwin (G_WITH_CYGWIN)
190 if host_system == 'windows'
191 glib_os = '''#define G_OS_WIN32
192 #define G_PLATFORM_WIN32'''
194 glib_os = '#define G_OS_UNIX'
196 glibconfig_conf.set('glib_os', glib_os)
198 # We need to know the build type to determine what .lib files we need on Visual Studio
199 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
200 buildtype = get_option('buildtype')
202 glib_debug_cflags = []
203 if buildtype.startswith('debug')
204 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
205 elif buildtype == 'release'
206 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
209 add_project_arguments(glib_debug_cflags, language: 'c')
211 # check for header files
216 'dirent.h', # MSC does not come with this by default
250 'sys/time.h', # MSC does not come with this by default
266 define = 'HAVE_' + h.underscorify().to_upper()
267 glib_conf.set(define, 1)
268 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
272 # FIXME: Use cc.check_header from Meson 0.47.
273 # FreeBSD includes a malloc.h which always throw compilation error.
274 if cc.compiles('#include <malloc.h>', name : 'malloc.h')
275 glib_conf.set('HAVE_MALLOC_H', 1)
276 glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
279 if cc.has_header('linux/netlink.h')
280 glib_conf.set('HAVE_NETLINK', 1)
283 if glib_conf.has('HAVE_LOCALE_H')
284 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
285 glib_conf.set('HAVE_LC_MESSAGES', 1)
289 struct_stat_blkprefix = '''
290 #include <sys/types.h>
291 #include <sys/stat.h>
295 #ifdef HAVE_SYS_STATFS_H
296 #include <sys/statfs.h>
298 #ifdef HAVE_SYS_PARAM_H
299 #include <sys/param.h>
301 #ifdef HAVE_SYS_MOUNT_H
302 #include <sys/mount.h>
307 [ 'stat', 'st_mtimensec' ],
308 [ 'stat', 'st_mtim.tv_nsec' ],
309 [ 'stat', 'st_atimensec' ],
310 [ 'stat', 'st_atim.tv_nsec' ],
311 [ 'stat', 'st_ctimensec' ],
312 [ 'stat', 'st_ctim.tv_nsec' ],
313 [ 'stat', 'st_birthtime' ],
314 [ 'stat', 'st_birthtimensec' ],
315 [ 'stat', 'st_birthtim' ],
316 [ 'stat', 'st_birthtim.tv_nsec' ],
317 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
318 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
319 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
320 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
321 [ 'dirent', 'd_type', '''#include <sys/types.h>
322 #include <dirent.h>''' ],
323 [ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
324 [ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
325 [ 'tm', 'tm_gmtoff', '#include <time.h>' ],
326 [ 'tm', '__tm_gmtoff', '#include <time.h>' ],
329 foreach m : struct_members
330 header_check_prefix = glib_conf_prefix
332 header_check_prefix = header_check_prefix + m[2]
334 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
336 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
337 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
338 glib_conf.set(define, 1)
339 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
345 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
348 '-Wduplicated-branches',
349 '-Wmisleading-indentation',
350 '-Wstrict-prototypes',
352 # Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
353 # building with -Wbad-function-cast.
354 '-Wno-bad-function-cast',
355 '-Werror=declaration-after-statement',
357 '-Werror=implicit-function-declaration',
359 '-Werror=missing-include-dirs',
360 '-Werror=missing-prototypes',
361 '-Werror=pointer-arith',
363 warning_c_link_args = [
366 if get_option('bsymbolic_functions')
367 warning_c_link_args += ['-Wl,-Bsymbolic-functions']
371 warning_c_link_args = []
374 add_project_arguments(cc.get_supported_arguments(warning_c_args), language: 'c')
376 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
377 # means we cannot use that flag in add_project_link_arguments(), and must add
378 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
379 # because that is what the autotools build did.
380 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
382 glib_link_flags = cc.get_supported_link_arguments(warning_c_link_args)
384 # Windows Support (7+)
385 if host_system == 'windows'
386 glib_conf.set('_WIN32_WINNT', '0x0601')
448 if glib_conf.has('HAVE_SYS_STATVFS_H')
449 functions += ['statvfs']
451 have_func_statvfs = false
453 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
454 functions += ['statfs']
456 have_func_statfs = false
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)
474 set_variable('have_func_' + ifunc, false)
478 functions += ['if_indextoname', 'if_nametoindex']
481 # AIX splice is something else
482 if host_system != 'aix'
483 functions += ['splice']
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)
493 set_variable('have_func_' + f, false)
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)
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)
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)
512 # Check whether strerror_r returns char *
513 if have_func_strerror_r
514 if cc.compiles('''#define _GNU_SOURCE
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;
523 name : 'strerror_r() returns char *')
524 glib_conf.set('STRERROR_R_CHAR_P', 1,
525 description: 'Defined if strerror_r returns char *')
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
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
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
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)
565 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
566 glib_conf.set('HAVE_RTLD_LAZY', 1)
569 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
570 glib_conf.set('HAVE_RTLD_NOW', 1)
573 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
574 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
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
584 # at least on linux, statfs is the actual syscall
585 have_func_statvfs = false
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'
595 stat_func_to_use = 'neither'
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)
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')
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
629 name : 'OS X 9 or later')
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"
637 name : 'Mac OS X Cocoa support')
640 glib_conf.set('HAVE_COCOA', true)
641 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
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'])
651 if cc.links('''#include <linux/futex.h>
652 #include <sys/syscall.h>
654 int main (int argc, char ** argv) {
655 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
657 }''', name : 'futex(2) system call')
658 glib_conf.set('HAVE_FUTEX', 1)
661 # Check for eventfd(2)
662 if cc.links('''#include <sys/eventfd.h>
664 int main (int argc, char ** argv) {
665 eventfd (0, EFD_CLOEXEC);
667 }''', name : 'eventfd(2) system call')
668 glib_conf.set('HAVE_EVENTFD', 1)
671 clock_gettime_test_code = '''
674 int main (int argc, char ** argv) {
675 return clock_gettime(CLOCK_REALTIME, &t);
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')
685 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
687 if cc.compiles(glib_conf_prefix + '''
689 #ifdef HAVE_SYS_PARAM_H
690 #include <sys/param.h>
692 #ifdef HAVE_SYS_VFS_H
695 #ifdef HAVE_SYS_MOUNT_H
696 #include <sys/mount.h>
698 #ifdef HAVE_SYS_STATFS_H
699 #include <sys/statfs.h>
701 void some_func (void) {
704 }''', name : 'number of arguments to statfs() (n=2)')
705 glib_conf.set('STATFS_ARGS', 2)
706 elif cc.compiles(glib_conf_prefix + '''
708 #ifdef HAVE_SYS_PARAM_H
709 #include <sys/param.h>
711 #ifdef HAVE_SYS_VFS_H
714 #ifdef HAVE_SYS_MOUNT_H
715 #include <sys/mount.h>
717 #ifdef HAVE_SYS_STATFS_H
718 #include <sys/statfs.h>
720 void some_func (void) {
722 statfs("/", &st, sizeof (st), 0);
723 }''', name : 'number of arguments to statfs() (n=4)')
724 glib_conf.set('STATFS_ARGS', 4)
726 error('Unable to determine number of arguments to statfs()')
730 # open takes O_DIRECTORY as an option
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)
741 # Check whether there is a vsnprintf() function with C99 semantics installed.
742 # (similar tests to AC_FUNC_VSNPRINTF_C99)
743 # Check whether there is a snprintf() function with C99 semantics installed.
744 # (similar tests to AC_FUNC_SNPRINTF_C99)
745 # Check whether there is a printf() function with Unix98 semantics installed.
746 # (similar tests to AC_FUNC_PRINTF_UNIX98)
747 have_good_vsnprintf = false
748 have_good_snprintf = false
749 have_good_printf = false
751 if host_system == 'windows' and cc.get_id() == 'msvc'
752 # Unfortunately the Visual Studio 2015+ implementations of C99-style
753 # snprintf and vsnprintf don't seem to be quite good enough.
754 # (Sorry, I don't know exactly what is the problem,
755 # but it is related to floating point formatting and decimal point vs. comma.)
756 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
757 # rigorous enough to notice, though.
758 glib_conf.set('HAVE_C99_SNPRINTF', false)
759 glib_conf.set('HAVE_C99_VSNPRINTF', false)
760 glib_conf.set('HAVE_UNIX98_PRINTF', false)
762 vsnprintf_c99_test_code = '''
774 r = vsnprintf(buffer, 5, s, args);
780 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
781 implementation. The above will return 7 but if you replace
782 the size of the buffer with 0, it borks! */
784 r = vsnprintf(buffer, 0, s, args);
801 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
802 if rres.compiled() and rres.returncode() == 0
803 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
804 have_good_vsnprintf = true
807 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
808 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
811 snprintf_c99_test_code = '''
822 r = snprintf(buffer, 5, "1234567");
827 r = snprintf(buffer, 0, "1234567");
832 r = snprintf(NULL, 0, "1234567");
848 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
849 if rres.compiled() and rres.returncode() == 0
850 glib_conf.set('HAVE_C99_SNPRINTF', 1)
851 have_good_snprintf = true
854 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
855 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
858 printf_unix98_test_code = '''
866 sprintf (buffer, "%2\$d %3\$d %1\$d", 1, 2, 3);
867 if (strcmp ("2 3 1", buffer) == 0)
873 rres = cc.run(printf_unix98_test_code, name : 'Unix98 printf positional parameters')
874 if rres.compiled() and rres.returncode() == 0
875 glib_conf.set('HAVE_UNIX98_PRINTF', 1)
876 have_good_printf = true
879 have_good_printf = meson.get_cross_property('have_unix98_printf', false)
880 glib_conf.set('HAVE_UNIX98_PRINTF', have_good_printf)
884 if host_system == 'windows'
885 glib_conf.set_quoted('EXEEXT', '.exe')
887 glib_conf.set('EXEEXT', '')
890 if have_good_vsnprintf and have_good_snprintf and have_good_printf
891 # Our printf is 'good' only if vsnpintf()/snprintf()/printf() supports C99 well enough
892 glib_conf.set('HAVE_GOOD_PRINTF', 1)
894 glib_conf.set('HAVE_VASPRINTF', 1)
897 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF',
898 have_good_vsnprintf and have_good_snprintf and have_good_printf)
900 # Check whether the printf() family supports Unix98 %n$ positional parameters
901 # AC_FUNC_PRINTF_UNIX98
902 # Nothing uses HAVE_UNIX98_PRINTF
905 # Check for nl_langinfo and CODESET
906 if cc.links('''#include <langinfo.h>
907 int main (int argc, char ** argv) {
908 char *codeset = nl_langinfo (CODESET);
910 }''', name : 'nl_langinfo and CODESET')
911 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
912 glib_conf.set('HAVE_CODESET', 1)
915 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
916 if cc.links('''#include <langinfo.h>
917 int main (int argc, char ** argv) {
919 str = nl_langinfo (PM_STR);
920 str = nl_langinfo (D_T_FMT);
921 str = nl_langinfo (D_FMT);
922 str = nl_langinfo (T_FMT);
923 str = nl_langinfo (T_FMT_AMPM);
924 str = nl_langinfo (MON_1);
925 str = nl_langinfo (ABMON_12);
926 str = nl_langinfo (DAY_1);
927 str = nl_langinfo (ABDAY_7);
929 }''', name : 'nl_langinfo (PM_STR)')
930 glib_conf.set('HAVE_LANGINFO_TIME', 1)
932 if cc.links('''#include <langinfo.h>
933 int main (int argc, char ** argv) {
935 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
936 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
937 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
938 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
939 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
940 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
941 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
942 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
943 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
944 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
946 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
947 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
950 # Check for nl_langinfo and alternative month names
951 if cc.links('''#ifndef _GNU_SOURCE
954 #include <langinfo.h>
955 int main (int argc, char ** argv) {
957 str = nl_langinfo (ALTMON_1);
958 str = nl_langinfo (ALTMON_2);
959 str = nl_langinfo (ALTMON_3);
960 str = nl_langinfo (ALTMON_4);
961 str = nl_langinfo (ALTMON_5);
962 str = nl_langinfo (ALTMON_6);
963 str = nl_langinfo (ALTMON_7);
964 str = nl_langinfo (ALTMON_8);
965 str = nl_langinfo (ALTMON_9);
966 str = nl_langinfo (ALTMON_10);
967 str = nl_langinfo (ALTMON_11);
968 str = nl_langinfo (ALTMON_12);
970 }''', name : 'nl_langinfo (ALTMON_n)')
971 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
974 # Check for nl_langinfo and abbreviated alternative month names
975 if cc.links('''#ifndef _GNU_SOURCE
978 #include <langinfo.h>
979 int main (int argc, char ** argv) {
981 str = nl_langinfo (_NL_ALTMON_1);
982 str = nl_langinfo (_NL_ALTMON_2);
983 str = nl_langinfo (_NL_ALTMON_3);
984 str = nl_langinfo (_NL_ALTMON_4);
985 str = nl_langinfo (_NL_ALTMON_5);
986 str = nl_langinfo (_NL_ALTMON_6);
987 str = nl_langinfo (_NL_ALTMON_7);
988 str = nl_langinfo (_NL_ALTMON_8);
989 str = nl_langinfo (_NL_ALTMON_9);
990 str = nl_langinfo (_NL_ALTMON_10);
991 str = nl_langinfo (_NL_ALTMON_11);
992 str = nl_langinfo (_NL_ALTMON_12);
994 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
995 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
998 # Check if C compiler supports the 'signed' keyword
999 if not cc.compiles('''signed char x;''', name : 'signed')
1000 glib_conf.set('signed', '/* NOOP */')
1003 # Check if the ptrdiff_t type exists
1004 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
1005 glib_conf.set('HAVE_PTRDIFF_T', 1)
1008 # Check for sig_atomic_t type
1009 if cc.links('''#include <signal.h>
1010 #include <sys/types.h>
1011 sig_atomic_t val = 42;
1012 int main (int argc, char ** argv) {
1013 return val == 42 ? 0 : 1;
1014 }''', name : 'sig_atomic_t')
1015 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
1018 # Check if 'long long' works
1019 # jm_AC_TYPE_LONG_LONG
1020 if cc.compiles('''long long ll = 1LL;
1022 int some_func (void) {
1023 long long llmax = (long long) -1;
1024 return ll << i | ll >> i | llmax / ll | llmax % ll;
1025 }''', name : 'long long')
1026 glib_conf.set('HAVE_LONG_LONG', 1)
1027 have_long_long = true
1029 have_long_long = false
1032 # Test whether the compiler supports the 'long double' type.
1033 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
1034 long double foo = 0.0;
1035 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
1036 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
1037 name : 'long double')
1038 glib_conf.set('HAVE_LONG_DOUBLE', 1)
1041 # Test whether <stddef.h> has the 'wchar_t' type.
1042 if cc.has_header_symbol('stddef.h', 'wchar_t')
1043 glib_conf.set('HAVE_WCHAR_T', 1)
1046 # Test whether <wchar.h> has the 'wint_t' type.
1047 if cc.has_header_symbol('wchar.h', 'wint_t')
1048 glib_conf.set('HAVE_WINT_T', 1)
1051 found_uintmax_t = false
1053 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
1054 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1055 # jm_AC_HEADER_INTTYPES_H
1056 if cc.compiles('''#include <sys/types.h>
1057 #include <inttypes.h>
1058 void some_func (void) {
1059 uintmax_t i = (uintmax_t) -1;
1060 }''', name : 'uintmax_t in inttypes.h')
1061 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1062 found_uintmax_t = true
1065 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1066 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1067 # jm_AC_HEADER_STDINT_H
1068 if cc.compiles('''#include <sys/types.h>
1070 void some_func (void) {
1071 uintmax_t i = (uintmax_t) -1;
1072 }''', name : 'uintmax_t in stdint.h')
1073 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1074 found_uintmax_t = true
1077 # Define intmax_t to 'long' or 'long long'
1078 # if it is not already defined in <stdint.h> or <inttypes.h>.
1079 # For simplicity, we assume that a header file defines 'intmax_t' if and
1080 # only if it defines 'uintmax_t'.
1082 glib_conf.set('HAVE_INTMAX_T', 1)
1084 glib_conf.set('intmax_t', 'long long')
1086 glib_conf.set('intmax_t', 'long')
1089 char_size = cc.sizeof('char')
1090 short_size = cc.sizeof('short')
1091 int_size = cc.sizeof('int')
1092 voidp_size = cc.sizeof('void*')
1093 long_size = cc.sizeof('long')
1095 long_long_size = cc.sizeof('long long')
1099 sizet_size = cc.sizeof('size_t')
1100 if cc.get_id() == 'msvc'
1101 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1103 ssizet_size = cc.sizeof('ssize_t')
1106 # Some platforms (Apple) hard-code int64_t to long long instead of
1107 # using long on 64-bit architectures. This can cause type mismatch
1108 # warnings when trying to interface with code using the standard
1109 # library type. Test for the warnings and set gint64 to whichever
1111 if long_long_size == long_size
1112 if cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1113 #pragma options langlvl=stdc99
1115 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1122 }''', name : 'int64_t is long')
1123 int64_t_typedef = 'long'
1124 elif cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1125 #pragma options langlvl=stdc99
1127 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1132 long long *i2 = &i1;
1134 }''', name : 'int64_t is long long')
1135 int64_t_typedef = 'long long'
1140 char_align = cc.alignment('char')
1141 short_align = cc.alignment('short')
1142 int_align = cc.alignment('int')
1143 voidp_align = cc.alignment('void*')
1144 long_align = cc.alignment('long')
1145 long_long_align = cc.alignment('long long')
1146 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1147 # be 64-bit in C99, and it is available on all supported compilers
1148 sizet_align = cc.alignment('size_t')
1150 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1152 glib_conf.set('SIZEOF_CHAR', char_size)
1153 glib_conf.set('SIZEOF_INT', int_size)
1154 glib_conf.set('SIZEOF_SHORT', short_size)
1155 glib_conf.set('SIZEOF_LONG', long_size)
1156 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1157 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1158 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1159 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1172 error('Compiler provides no native 16-bit integer type')
1174 glibconfig_conf.set('gint16', gint16)
1175 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1176 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1177 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1184 guint32_align = short_align
1190 guint32_align = int_align
1196 guint32_align = long_align
1198 error('Compiler provides no native 32-bit integer type')
1200 glibconfig_conf.set('gint32', gint32)
1201 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1202 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1203 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1204 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1212 gint64_constant='(val)'
1213 guint64_constant='(val)'
1214 guint64_align = int_align
1215 elif long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long')
1221 gint64_constant='(val##L)'
1222 guint64_constant='(val##UL)'
1223 guint64_align = long_align
1224 elif long_long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long long')
1225 gint64 = 'long long'
1226 glib_extension='G_GNUC_EXTENSION '
1227 gint64_modifier=int64_m
1228 gint64_format=int64_m + 'i'
1229 guint64_format=int64_m + 'u'
1230 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1231 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1232 guint64_align = long_long_align
1234 error('Compiler provides no native 64-bit integer type')
1236 glibconfig_conf.set('glib_extension', glib_extension)
1237 glibconfig_conf.set('gint64', gint64)
1238 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1239 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1240 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1241 glibconfig_conf.set('gint64_constant', gint64_constant)
1242 glibconfig_conf.set('guint64_constant', guint64_constant)
1243 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1245 if host_system == 'windows'
1246 glibconfig_conf.set('g_pid_type', 'void*')
1247 glibconfig_conf.set_quoted('g_pid_format', 'p')
1248 if host_machine.cpu_family() == 'x86_64'
1249 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1251 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1253 glibconfig_conf.set('g_dir_separator', '\\\\')
1254 glibconfig_conf.set('g_searchpath_separator', ';')
1256 glibconfig_conf.set('g_pid_type', 'int')
1257 glibconfig_conf.set_quoted('g_pid_format', 'i')
1258 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1259 glibconfig_conf.set('g_dir_separator', '/')
1260 glibconfig_conf.set('g_searchpath_separator', ':')
1263 if sizet_size == short_size
1264 glibconfig_conf.set('glib_size_type_define', 'short')
1265 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1266 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1267 glibconfig_conf.set_quoted('gsize_format', 'hu')
1268 glibconfig_conf.set_quoted('gssize_format', 'hi')
1269 glibconfig_conf.set('glib_msize_type', 'SHRT')
1270 elif sizet_size == int_size
1271 glibconfig_conf.set('glib_size_type_define', 'int')
1272 glibconfig_conf.set_quoted('gsize_modifier', '')
1273 glibconfig_conf.set_quoted('gssize_modifier', '')
1274 glibconfig_conf.set_quoted('gsize_format', 'u')
1275 glibconfig_conf.set_quoted('gssize_format', 'i')
1276 glibconfig_conf.set('glib_msize_type', 'INT')
1277 elif sizet_size == long_size
1278 glibconfig_conf.set('glib_size_type_define', 'long')
1279 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1280 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1281 glibconfig_conf.set_quoted('gsize_format', 'lu')
1282 glibconfig_conf.set_quoted('gssize_format', 'li')
1283 glibconfig_conf.set('glib_msize_type', 'LONG')
1284 elif sizet_size == long_long_size
1285 glibconfig_conf.set('glib_size_type_define', 'long long')
1286 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1287 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1288 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1289 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1290 glibconfig_conf.set('glib_msize_type', 'INT64')
1292 error('Could not determine size of size_t.')
1295 if voidp_size == int_size
1296 glibconfig_conf.set('glib_intptr_type_define', 'int')
1297 glibconfig_conf.set_quoted('gintptr_modifier', '')
1298 glibconfig_conf.set_quoted('gintptr_format', 'i')
1299 glibconfig_conf.set_quoted('guintptr_format', 'u')
1300 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1301 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1302 elif voidp_size == long_size
1303 glibconfig_conf.set('glib_intptr_type_define', 'long')
1304 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1305 glibconfig_conf.set_quoted('gintptr_format', 'li')
1306 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1307 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1308 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1309 elif voidp_size == long_long_size
1310 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1311 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1312 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1313 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1314 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1315 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1317 error('Could not determine size of void *')
1320 if long_size != 8 and long_long_size != 8 and int_size != 8
1321 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1324 glibconfig_conf.set('gintbits', int_size * 8)
1325 glibconfig_conf.set('glongbits', long_size * 8)
1326 glibconfig_conf.set('gsizebits', sizet_size * 8)
1327 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1329 # XXX: https://gitlab.gnome.org/GNOME/glib/issues/1413
1330 if host_system == 'windows'
1331 g_module_suffix = 'dll'
1333 g_module_suffix = 'so'
1335 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1337 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1338 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1339 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1340 glibconfig_conf.set('GLIB_VERSION', glib_version)
1342 glibconfig_conf.set('glib_void_p', voidp_size)
1343 glibconfig_conf.set('glib_long', long_size)
1344 glibconfig_conf.set('glib_size_t', sizet_size)
1345 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1346 if host_machine.endian() == 'big'
1347 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1348 glibconfig_conf.set('g_bs_native', 'BE')
1349 glibconfig_conf.set('g_bs_alien', 'LE')
1351 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1352 glibconfig_conf.set('g_bs_native', 'LE')
1353 glibconfig_conf.set('g_bs_alien', 'BE')
1356 # === va_copy checks ===
1357 # we currently check for all three va_copy possibilities, so we get
1358 # all results in config.log for bug reports.
1361 foreach try_func : [ '__va_copy', 'va_copy' ]
1362 if cc.compiles('''#include <stdarg.h>
1365 # include "msvc_recommended_pragmas.h"
1367 void f (int i, ...) {
1368 va_list args1, args2;
1369 va_start (args1, i);
1371 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1373 va_end (args1); va_end (args2);
1378 }'''.format(try_func),
1379 name : try_func + ' check')
1380 va_copy_func = try_func
1383 if va_copy_func != ''
1384 glib_conf.set('G_VA_COPY', va_copy_func)
1385 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1387 glib_vacopy = '/* #undef G_VA_COPY */'
1390 va_list_val_copy_prog = '''
1393 void f (int i, ...) {
1394 va_list args1, args2;
1395 va_start (args1, i);
1397 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1399 va_end (args1); va_end (args2);
1407 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1408 glib_va_val_copy = rres.returncode() == 0
1410 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1412 if not glib_va_val_copy
1413 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1414 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1416 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1418 # check for flavours of varargs macros
1419 g_have_iso_c_varargs = cc.compiles('''
1420 void some_func (void) {
1421 int a(int p1, int p2, int p3);
1422 #define call_a(...) a(1,__VA_ARGS__)
1424 }''', name : 'ISO C99 varargs macros in C')
1426 if g_have_iso_c_varargs
1427 glibconfig_conf.set('g_have_iso_c_varargs', '''
1429 # define G_HAVE_ISO_VARARGS 1
1433 g_have_iso_cxx_varargs = cxx.compiles('''
1434 void some_func (void) {
1435 int a(int p1, int p2, int p3);
1436 #define call_a(...) a(1,__VA_ARGS__)
1438 }''', name : 'ISO C99 varargs macros in C++')
1440 if g_have_iso_cxx_varargs
1441 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1443 # define G_HAVE_ISO_VARARGS 1
1447 g_have_gnuc_varargs = cc.compiles('''
1448 void some_func (void) {
1449 int a(int p1, int p2, int p3);
1450 #define call_a(params...) a(1,params)
1452 }''', name : 'GNUC varargs macros')
1454 if cc.has_header('alloca.h')
1455 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1457 has_syspoll = cc.has_header('sys/poll.h')
1458 has_systypes = cc.has_header('sys/types.h')
1460 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1462 has_winsock2 = cc.has_header('winsock2.h')
1464 if has_syspoll and has_systypes
1466 #include<sys/poll.h>
1467 #include<sys/types.h>'''
1470 #define _WIN32_WINNT @0@
1471 #include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
1474 error('FIX POLL* defines')
1478 [ 'POLLIN', 'g_pollin', 1 ],
1479 [ 'POLLOUT', 'g_pollout', 4 ],
1480 [ 'POLLPRI', 'g_pollpri', 2 ],
1481 [ 'POLLERR', 'g_pollerr', 8 ],
1482 [ 'POLLHUP', 'g_pollhup', 16 ],
1483 [ 'POLLNVAL', 'g_pollnval', 32 ],
1486 if has_syspoll and has_systypes
1487 foreach d : poll_defines
1488 val = cc.compute_int(d[0], prefix: poll_includes)
1489 glibconfig_conf.set(d[1], val)
1492 # Due to a missed bug in configure.ac the poll test
1493 # never succeeded on Windows and used some pre-defined
1494 # values as a fallback. Keep using them to maintain
1495 # ABI compatibility with autotools builds of glibs
1496 # and with *any* glib-using code compiled against them,
1497 # since these values end up in a public header glibconfig.h.
1498 foreach d : poll_defines
1499 glibconfig_conf.set(d[1], d[2])
1503 # Internet address families
1504 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1505 if host_system == 'windows'
1507 #include <winsock2.h>'''
1510 #include <sys/types.h>
1511 #include <sys/socket.h>'''
1515 [ 'AF_UNIX', 'g_af_unix' ],
1516 [ 'AF_INET', 'g_af_inet' ],
1517 [ 'AF_INET6', 'g_af_inet6' ],
1518 [ 'MSG_OOB', 'g_msg_oob' ],
1519 [ 'MSG_PEEK', 'g_msg_peek' ],
1520 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1522 foreach d : inet_defines
1523 val = cc.compute_int(d[0], prefix: inet_includes)
1524 glibconfig_conf.set(d[1], val)
1527 # We need a more robust approach here...
1528 host_cpu_family = host_machine.cpu_family()
1529 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 == 'aarch64' or host_cpu_family.startswith('crisv32') or host_cpu_family.startswith('etrax')
1530 glib_memory_barrier_needed = false
1531 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1532 glib_memory_barrier_needed = true
1534 warning('Unknown host cpu: ' + host_cpu_family)
1535 glib_memory_barrier_needed = true
1537 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1539 # We need to decide at configure time if GLib will use real atomic
1540 # operations ("lock free") or emulated ones with a mutex. This is
1541 # because we must put this information in glibconfig.h so we know if
1542 # it is safe or not to inline using compiler intrinsics directly from
1545 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1546 # user is interested in knowing if they can use the atomic ops across
1549 # We can currently support the atomic ops natively when building GLib
1550 # with recent versions of GCC or MSVC.
1552 # Note that the atomic ops are only available with GCC on x86 when
1553 # using -march=i486 or higher. If we detect that the atomic ops are
1554 # not available but would be available given the right flags, we want
1555 # to abort and advise the user to fix their CFLAGS. It's better to do
1556 # that then to silently fall back on emulated atomic ops just because
1557 # the user had the wrong build environment.
1558 atomictest = '''int main() {
1559 volatile int atomic = 2;
1560 __sync_bool_compare_and_swap (&atomic, 2, 3);
1566 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1567 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1571 # We know that we can always use real ("lock free") atomic operations with MSVC
1572 if cc.get_id() == 'msvc' or cc.links(atomictest, name : 'atomic ops')
1573 have_atomic_lock_free = true
1574 if (host_system == 'android' or host_system == 'linux') and not cc.compiles(atomicdefine, name : 'atomic ops define')
1575 # When building for armv5 on Linux, gcc provides
1576 # __sync_bool_compare_and_swap but doesn't define
1577 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1578 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1581 have_atomic_lock_free = false
1582 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1583 error('GLib must be built with -march=i486 or later.')
1586 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1590 # Determination of thread implementation
1591 if host_system == 'windows' and not get_option('force_posix_threads')
1593 threads_implementation = 'win32'
1594 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1595 glib_conf.set('THREADS_WIN32', 1)
1597 thread_dep = dependency('threads')
1598 threads_implementation = 'posix'
1599 pthread_prefix = '''
1601 # define _GNU_SOURCE
1603 #include <pthread.h>'''
1604 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1605 glib_conf.set('THREADS_POSIX', 1)
1606 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1607 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1609 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1610 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1612 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1613 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1615 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1616 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1618 # Assume that pthread_setname_np is available in some form; same as configure
1619 if cc.links(pthread_prefix + '''
1621 pthread_setname_np("example");
1624 name : 'pthread_setname_np(const char*)',
1625 dependencies : thread_dep)
1627 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1628 elif cc.links(pthread_prefix + '''
1630 pthread_setname_np(pthread_self(), "example");
1633 name : 'pthread_setname_np(pthread_t, const char*)',
1634 dependencies : thread_dep)
1635 # Linux, Solaris, etc.
1636 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1640 # FIXME: we should make it print the result and always return 0, so that
1641 # the output in meson shows up as green
1642 stack_grows_check_prog = '''
1643 volatile int *a = 0, *b = 0;
1655 return b > a ? 0 : 1;
1659 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1660 growing_stack = rres.returncode() == 0
1662 growing_stack = meson.get_cross_property('growing_stack', false)
1665 glibconfig_conf.set10('G_HAVE_GROWING_STACK', growing_stack)
1669 # USE_LIBICONV_GNU: Using GNU libiconv
1670 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1672 # We should never use the MinGW C library's iconv. On Windows we use the
1673 # GNU implementation that ships with MinGW.
1675 # On Windows, just always use the built-in implementation
1676 if host_system == 'windows'
1678 glib_conf.set('USE_LIBICONV_NATIVE', true)
1681 iconv_opt = get_option('iconv')
1682 if iconv_opt == 'libc'
1683 if cc.has_function('iconv_open')
1687 elif iconv_opt == 'gnu'
1688 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1689 glib_conf.set('USE_LIBICONV_GNU', true)
1690 libiconv = [cc.find_library('iconv')]
1693 elif iconv_opt == 'native'
1694 if cc.has_header_symbol('iconv.h', 'iconv_open')
1695 glib_conf.set('USE_LIBICONV_NATIVE', true)
1696 libiconv = [cc.find_library('iconv')]
1702 error('iconv implementation "@0@" not found'.format(iconv_opt))
1707 if get_option('internal_pcre')
1709 use_system_pcre = false
1711 pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
1713 if cc.get_id() == 'msvc'
1714 # MSVC: Search for the PCRE library by the configuration, which corresponds
1715 # to the output of CMake builds of PCRE. Note that debugoptimized
1716 # is really a Release build with .PDB files.
1717 if buildtype == 'debug'
1718 pcre = cc.find_library('pcred', required : false)
1720 pcre = cc.find_library('pcre', required : false)
1724 use_system_pcre = pcre.found()
1726 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1728 use_pcre_static_flag = false
1730 if host_system == 'windows'
1731 if not use_system_pcre
1732 use_pcre_static_flag = true
1734 pcre_static = cc.links('''#define PCRE_STATIC
1742 name : 'Windows system PCRE is a static build')
1744 use_pcre_static_flag = true
1749 libm = cc.find_library('m', required : false)
1750 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1752 # Don't use the bundled ZLib sources until we are sure that we can't find it on
1754 libz_dep = dependency('zlib', required : false)
1755 if not libz_dep.found()
1756 if cc.get_id() != 'msvc'
1757 libz_dep = cc.find_library('z', required : false)
1759 libz_dep = cc.find_library('zlib1', required : false)
1760 if not libz_dep.found()
1761 libz_dep = cc.find_library('zlib', required : false)
1766 if not libz_dep.found()
1767 libz_dep = subproject('zlib').get_variable('zlib_dep')
1770 # First check in libc, fallback to libintl, and as last chance build
1771 # proxy-libintl subproject.
1772 # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
1773 # implementations. This could be extended if issues are found in some platforms.
1774 if cc.has_function('ngettext')
1776 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset')
1778 libintl = cc.find_library('intl', required : false)
1779 if not libintl.found()
1780 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1781 have_bind_textdomain_codeset = true # proxy-libintl supports it
1783 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset',
1784 dependencies : libintl)
1788 glib_conf.set('HAVE_BIND_TEXTDOMAIN_CODESET', have_bind_textdomain_codeset)
1790 # We require gettext to always be present
1791 glib_conf.set('HAVE_DCGETTEXT', 1)
1792 glib_conf.set('HAVE_GETTEXT', 1)
1794 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1795 # xgettext is optional (on Windows for instance)
1796 xgettext = find_program('xgettext', required : false)
1798 # libmount is only used by gio, but we need to fetch the libs to generate the
1799 # pkg-config file below
1801 if host_system == 'linux' and get_option('libmount')
1802 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1803 glib_conf.set('HAVE_LIBMOUNT', 1)
1806 if host_system == 'windows'
1807 winsock2 = cc.find_library('ws2_32')
1811 if host_system == 'linux' and get_option('selinux')
1812 selinux_dep = [dependency('libselinux')]
1813 glib_conf.set('HAVE_SELINUX', 1)
1817 if host_system != 'windows' and get_option('xattr')
1818 # either glibc or libattr can provide xattr support
1819 # for both of them, we check for getxattr being in
1820 # the library and a valid xattr header.
1823 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1824 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1825 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1826 #failure. try libattr
1827 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1828 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1829 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1830 xattr_dep = [cc.find_library('xattr')]
1832 error('No getxattr implementation found in C library or libxattr')
1835 glib_conf.set('HAVE_XATTR', 1)
1836 if cc.compiles(glib_conf_prefix + '''
1838 #ifdef HAVE_SYS_TYPES_H
1839 #include <sys/types.h>
1841 #ifdef HAVE_SYS_XATTR_H
1842 #include <sys/xattr.h>
1843 #elif HAVE_ATTR_XATTR_H
1844 #include <attr/xattr.h>
1848 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1851 name : 'XATTR_NOFOLLOW')
1852 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1856 # Test if we have strlcpy/strlcat with a compatible implementation:
1857 # https://bugzilla.gnome.org/show_bug.cgi?id=53933
1859 rres = cc.run('''#include <stdlib.h>
1863 (void) strlcpy (p, "hi", 10);
1864 if (strlcat (p, "bye", 0) != 3)
1868 name : 'OpenBSD strlcpy/strlcat')
1869 if rres.compiled() and rres.returncode() == 0
1870 glib_conf.set('HAVE_STRLCPY', 1)
1872 elif meson.get_cross_property('have_strlcpy', false)
1873 glib_conf.set('HAVE_STRLCPY', 1)
1876 python = import('python').find_installation('python3')
1877 # used for '#!/usr/bin/env <name>'
1878 python_name = 'python3'
1880 # Determine which user environment-dependent files that we want to install
1881 have_bash = find_program('bash', required : false).found() # For completion scripts
1882 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1884 # FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
1885 if host_system == 'sunos'
1886 glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
1887 glib_conf.set('_XOPEN_SOURCE', 2)
1888 glib_conf.set('__EXTENSIONS__',1)
1891 # Sadly Meson does not expose this value:
1892 # https://github.com/mesonbuild/meson/pull/3460
1893 if host_system == 'windows'
1894 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
1895 # with no explanation. Do the same here for now but this could be revisited if
1897 export_dynamic_ldflags = []
1898 elif host_system == 'cygwin'
1899 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
1900 elif host_system == 'darwin'
1901 export_dynamic_ldflags = []
1903 export_dynamic_ldflags = ['-Wl,--export-dynamic']
1908 if host_system == 'windows' and cc.get_id() != 'msvc'
1909 # Ensure MSVC-compatible struct packing convention is used when
1910 # compiling for Win32 with gcc. It is used for the whole project and exposed
1912 win32_cflags = ['-mms-bitfields']
1913 add_project_arguments(win32_cflags, language : 'c')
1915 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
1916 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
1917 elif host_system == 'cygwin'
1918 win32_ldflags = ['-luser32', '-lkernel32']
1922 want_dtrace = get_option('dtrace')
1923 enable_dtrace = false
1925 # Since dtrace support is opt-in we just error out if it was requested but
1926 # is not available. We don't bother with autodetection yet.
1929 error('GLib dtrace support not yet compatible with macOS dtrace')
1931 dtrace = find_program('dtrace', required : true) # error out if not found
1932 if not cc.has_header('sys/sdt.h')
1933 error('dtrace support needs sys/sdt.h header')
1935 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1936 dtrace_obj_gen = generator(dtrace,
1937 output : '@BASENAME@.o',
1938 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1939 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1940 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1941 dtrace_hdr_gen = generator(dtrace,
1942 output : '@BASENAME@.h',
1943 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1944 glib_conf.set('HAVE_DTRACE', 1)
1945 enable_dtrace = true
1949 want_systemtap = get_option('systemtap')
1950 enable_systemtap = false
1952 if want_systemtap and enable_dtrace
1953 tapset_install_dir = get_option('tapset_install_dir')
1954 if tapset_install_dir == ''
1955 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1957 stp_cdata = configuration_data()
1958 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1959 stp_cdata.set('LT_CURRENT', minor_version * 100)
1960 stp_cdata.set('LT_REVISION', micro_version)
1961 enable_systemtap = true
1965 test_timeout_slow = 120
1967 pkg = import('pkgconfig')
1968 windows = import('windows')
1979 # Install glib-gettextize executable, if a UNIX-style shell is found
1981 # These should not contain " quotes around the values
1982 gettextize_conf = configuration_data()
1983 gettextize_conf.set('PACKAGE', 'glib')
1984 gettextize_conf.set('VERSION', meson.project_version())
1985 gettextize_conf.set('prefix', glib_prefix)
1986 gettextize_conf.set('datarootdir', glib_datadir)
1987 gettextize_conf.set('datadir', glib_datadir)
1988 configure_file(input : 'glib-gettextize.in',
1990 install_dir : glib_bindir,
1991 output : 'glib-gettextize',
1992 configuration : gettextize_conf)
1995 # Install m4 macros that other projects use
1996 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1997 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1999 if host_system != 'windows'
2000 # Install Valgrind suppression file (except on Windows,
2001 # as Valgrind is currently not supported on Windows)
2002 install_data('glib.supp',
2003 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
2006 configure_file(output : 'config.h', configuration : glib_conf)
2008 if host_system == 'windows'
2009 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
2012 if get_option('man')
2013 xsltproc = find_program('xsltproc', required : true)
2014 xsltproc_command = [
2017 '--stringparam', 'man.output.quietly', '1',
2018 '--stringparam', 'funcsynopsis.style', 'ansi',
2019 '--stringparam', 'man.th.extra1.suppress', '1',
2020 '--stringparam', 'man.authors.section.enabled', '0',
2021 '--stringparam', 'man.copyright.section.enabled', '0',
2023 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
2026 man1_dir = get_option('mandir') + '/man1'
2029 gnome = import('gnome')
2030 subdir('docs/reference/glib')
2031 subdir('docs/reference/gobject')
2032 subdir('docs/reference/gio')