1 project('glib', 'c', 'cpp',
3 meson_version : '>= 0.48.0',
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 current = binary_age - interface_age
49 library_version = '@0@.@1@.@2@'.format(soversion, current, interface_age)
50 darwin_versions = [current + 1, '@0@.@1@'.format(current + 1, interface_age)]
52 configinc = include_directories('.')
53 glibinc = include_directories('glib')
54 gobjectinc = include_directories('gobject')
55 gmoduleinc = include_directories('gmodule')
56 gioinc = include_directories('gio')
58 glib_prefix = get_option('prefix')
59 glib_bindir = join_paths(glib_prefix, get_option('bindir'))
60 glib_libdir = join_paths(glib_prefix, get_option('libdir'))
61 glib_libexecdir = join_paths(glib_prefix, get_option('libexecdir'))
62 glib_datadir = join_paths(glib_prefix, get_option('datadir'))
63 glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
64 glib_includedir = join_paths(glib_prefix, get_option('includedir'))
65 glib_giomodulesdir = get_option('gio_module_dir')
66 if glib_giomodulesdir == ''
67 glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
70 glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
72 installed_tests_metadir = join_paths(glib_datadir, 'installed-tests', meson.project_name())
73 installed_tests_execdir = join_paths(glib_libexecdir, 'installed-tests', meson.project_name())
74 installed_tests_enabled = get_option('installed_tests')
75 installed_tests_template = files('template.test.in')
76 installed_tests_template_tap = files('template-tap.test.in')
78 add_project_arguments('-D_GNU_SOURCE', language: 'c')
80 # Disable strict aliasing;
81 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
82 if cc.has_argument('-fno-strict-aliasing')
83 add_project_arguments('-fno-strict-aliasing', language: 'c')
86 ########################
87 # Configuration begins #
88 ########################
89 glib_conf = configuration_data()
90 glibconfig_conf = configuration_data()
92 # accumulated list of defines as we check for them, so we can easily
93 # use them later in test programs (autoconf does this automatically)
96 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
97 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
98 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
99 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
100 glib_conf.set('GLIB_BINARY_AGE', binary_age)
101 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
102 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
103 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
104 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
105 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
106 glib_conf.set_quoted('PACKAGE_URL', '')
107 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
108 glib_conf.set('ENABLE_NLS', 1)
110 # used by the .rc.in files
111 glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
113 glib_conf.set('_GNU_SOURCE', 1)
115 if host_system == 'windows'
116 # Poll doesn't work on devices on Windows
117 glib_conf.set('BROKEN_POLL', true)
120 if host_system == 'windows' and cc.get_id() != 'msvc'
121 # FIXME: Ideally we shouldn't depend on this on Windows and should use
122 # 64 bit capable Windows API that also works with MSVC.
123 # The autotools build did set this for mingw and while meson sets it
124 # for gcc/clang by default, it doesn't do so on Windows.
125 glib_conf.set('_FILE_OFFSET_BITS', 64)
128 # Check for GNU visibility attributes
129 g_have_gnuc_visibility = cc.compiles('''
131 __attribute__ ((visibility ("hidden")))
136 __attribute__ ((visibility ("internal")))
141 __attribute__ ((visibility ("protected")))
146 __attribute__ ((visibility ("default")))
159 # Not supported by MSVC, but MSVC also won't support visibility,
160 # so it's OK to pass -Werror explicitly. Replace with
161 # override_options : 'werror=true' once that is supported
163 name : 'GNU C visibility attributes test')
165 if g_have_gnuc_visibility
166 glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
169 # Detect and set symbol visibility
170 glib_hidden_visibility_args = []
171 if get_option('default_library') != 'static'
172 if host_system == 'windows' or host_system == 'cygwin'
173 glib_conf.set('DLL_EXPORT', true)
174 if cc.get_id() == 'msvc'
175 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
176 elif cc.has_argument('-fvisibility=hidden')
177 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
178 glib_hidden_visibility_args = ['-fvisibility=hidden']
180 elif cc.has_argument('-fvisibility=hidden')
181 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
182 glib_hidden_visibility_args = ['-fvisibility=hidden']
186 if host_system == 'windows' and get_option('default_library') == 'static'
187 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
188 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
191 # Cygwin glib port maintainers made it clear
192 # (via the patches they apply) that they want no
193 # part of glib W32 code, therefore we do not define
194 # G_PLATFORM_WIN32 for host_system == 'cygwin'.
195 # This makes G_PLATFORM_WIN32 a synonym for
197 if host_system == 'windows'
198 glib_os = '''#define G_OS_WIN32
199 #define G_PLATFORM_WIN32'''
200 elif host_system == 'cygwin'
201 glib_os = '''#define G_OS_WIN32
202 #define G_WITH_CYGWIN'''
204 glib_os = '#define G_OS_UNIX'
206 glibconfig_conf.set('glib_os', glib_os)
208 # We need to know the build type to determine what .lib files we need on Visual Studio
209 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
210 buildtype = get_option('buildtype')
212 glib_debug_cflags = []
213 if buildtype.startswith('debug')
214 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
215 elif buildtype == 'release'
216 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
219 add_project_arguments(glib_debug_cflags, language: 'c')
221 # check for header files
226 'dirent.h', # MSC does not come with this by default
260 'sys/time.h', # MSC does not come with this by default
276 define = 'HAVE_' + h.underscorify().to_upper()
277 glib_conf.set(define, 1)
278 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
282 # FIXME: Use cc.check_header from Meson 0.47.
283 # FreeBSD includes a malloc.h which always throw compilation error.
284 if cc.compiles('#include <malloc.h>', name : 'malloc.h')
285 glib_conf.set('HAVE_MALLOC_H', 1)
286 glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
289 if cc.has_header('linux/netlink.h')
290 glib_conf.set('HAVE_NETLINK', 1)
293 if glib_conf.has('HAVE_LOCALE_H')
294 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
295 glib_conf.set('HAVE_LC_MESSAGES', 1)
299 struct_stat_blkprefix = '''
300 #include <sys/types.h>
301 #include <sys/stat.h>
305 #ifdef HAVE_SYS_STATFS_H
306 #include <sys/statfs.h>
308 #ifdef HAVE_SYS_PARAM_H
309 #include <sys/param.h>
311 #ifdef HAVE_SYS_MOUNT_H
312 #include <sys/mount.h>
317 [ 'stat', 'st_mtimensec' ],
318 [ 'stat', 'st_mtim.tv_nsec' ],
319 [ 'stat', 'st_atimensec' ],
320 [ 'stat', 'st_atim.tv_nsec' ],
321 [ 'stat', 'st_ctimensec' ],
322 [ 'stat', 'st_ctim.tv_nsec' ],
323 [ 'stat', 'st_birthtime' ],
324 [ 'stat', 'st_birthtimensec' ],
325 [ 'stat', 'st_birthtim' ],
326 [ 'stat', 'st_birthtim.tv_nsec' ],
327 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
328 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
329 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
330 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
331 [ 'dirent', 'd_type', '''#include <sys/types.h>
332 #include <dirent.h>''' ],
333 [ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
334 [ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
335 [ 'tm', 'tm_gmtoff', '#include <time.h>' ],
336 [ 'tm', '__tm_gmtoff', '#include <time.h>' ],
339 foreach m : struct_members
340 header_check_prefix = glib_conf_prefix
342 header_check_prefix = header_check_prefix + m[2]
344 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
346 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
347 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
348 glib_conf.set(define, 1)
349 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
355 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
358 '-Wduplicated-branches',
359 '-Wimplicit-fallthrough',
360 '-Wmisleading-indentation',
361 '-Wstrict-prototypes',
363 # Due to maintained deprecated code, we do not want to see unused parameters
364 '-Wno-unused-parameter',
365 # Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
366 # building with -Wbad-function-cast.
367 '-Wno-bad-function-cast',
368 '-Wno-cast-function-type',
369 # Due to function casts through (void*) we cannot support -Wpedantic:
370 # https://wiki.gnome.org/Projects/GLib/CompilerRequirements#Function_pointer_conversions.
372 '-Werror=declaration-after-statement',
374 '-Werror=implicit-function-declaration',
376 '-Werror=missing-include-dirs',
377 '-Werror=missing-prototypes',
378 '-Werror=pointer-arith',
380 warning_c_link_args = [
383 if get_option('bsymbolic_functions')
384 warning_c_link_args += ['-Wl,-Bsymbolic-functions']
388 warning_c_link_args = []
391 add_project_arguments(cc.get_supported_arguments(warning_c_args), language: 'c')
393 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
394 # means we cannot use that flag in add_project_link_arguments(), and must add
395 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
396 # because that is what the autotools build did.
397 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
399 glib_link_flags = cc.get_supported_link_arguments(warning_c_link_args)
401 # Windows Support (7+)
402 if host_system == 'windows'
403 glib_conf.set('_WIN32_WINNT', '0x0601')
466 if glib_conf.has('HAVE_SYS_STATVFS_H')
467 functions += ['statvfs']
469 have_func_statvfs = false
471 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
472 functions += ['statfs']
474 have_func_statfs = false
477 if host_system == 'windows'
478 iphlpapi_dep = cc.find_library('iphlpapi')
479 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
480 foreach ifunc : iphlpapi_funcs
481 iphl_prefix = '''#define _WIN32_WINNT @0@
482 #include <winsock2.h>
483 #include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
484 if cc.has_function(ifunc,
485 prefix : iphl_prefix,
486 dependencies : iphlpapi_dep)
487 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
488 glib_conf.set(idefine, 1)
489 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
490 set_variable('have_func_' + ifunc, true)
492 set_variable('have_func_' + ifunc, false)
496 functions += ['if_indextoname', 'if_nametoindex']
499 # AIX splice is something else
500 if host_system != 'aix'
501 functions += ['splice']
504 foreach f : functions
505 if cc.has_function(f)
506 define = 'HAVE_' + f.underscorify().to_upper()
507 glib_conf.set(define, 1)
508 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
509 set_variable('have_func_' + f, true)
511 set_variable('have_func_' + f, false)
515 # Check that stpcpy() is usable; must use header
516 if cc.has_function('stpcpy', prefix : '#include <string.h>')
517 glib_conf.set('HAVE_STPCPY', 1)
520 # Check that posix_memalign() is usable; must use header
521 if cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
522 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
525 # Check that posix_spawn() is usable; must use header
526 if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
527 glib_conf.set('HAVE_POSIX_SPAWN', 1)
530 # Check whether strerror_r returns char *
531 if have_func_strerror_r
532 if cc.compiles('''#define _GNU_SOURCE
535 char error_string[256];
536 char *ptr = strerror_r (-2, error_string, 256);
537 char c = *strerror_r (-2, error_string, 256);
538 return c != 0 && ptr != (void*) 0L;
541 name : 'strerror_r() returns char *')
542 glib_conf.set('STRERROR_R_CHAR_P', 1,
543 description: 'Defined if strerror_r returns char *')
547 # Special-case these functions that have alternative names on Windows/MSVC
548 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
549 glib_conf.set('HAVE_SNPRINTF', 1)
550 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
551 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
552 hack_define = '1\n#define snprintf _snprintf'
553 glib_conf.set('HAVE_SNPRINTF', hack_define)
554 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
557 if cc.has_function('strcasecmp')
558 glib_conf.set('HAVE_STRCASECMP', 1)
559 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
560 elif cc.has_function('_stricmp')
561 hack_define = '1\n#define strcasecmp _stricmp'
562 glib_conf.set('HAVE_STRCASECMP', hack_define)
563 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
566 if cc.has_function('strncasecmp')
567 glib_conf.set('HAVE_STRNCASECMP', 1)
568 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
569 elif cc.has_function('_strnicmp')
570 hack_define = '1\n#define strncasecmp _strnicmp'
571 glib_conf.set('HAVE_STRNCASECMP', hack_define)
572 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
575 if cc.has_header_symbol('sys/sysmacros.h', 'major')
576 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
577 elif cc.has_header_symbol('sys/mkdev.h', 'major')
578 glib_conf.set('MAJOR_IN_MKDEV', 1)
579 elif cc.has_header_symbol('sys/types.h', 'major')
580 glib_conf.set('MAJOR_IN_TYPES', 1)
583 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
584 glib_conf.set('HAVE_RTLD_LAZY', 1)
587 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
588 glib_conf.set('HAVE_RTLD_NOW', 1)
591 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
592 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
595 have_rtld_next = false
596 if cc.has_header_symbol('dlfcn.h', 'RTLD_NEXT')
597 have_rtld_next = true
598 glib_conf.set('HAVE_RTLD_NEXT', 1)
601 # Check whether to use statfs or statvfs
602 # Some systems have both statfs and statvfs, pick the most "native" for these
603 if have_func_statfs and have_func_statvfs
604 # on solaris and irix, statfs doesn't even have the f_bavail field
605 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
606 have_func_statfs = false
608 # at least on linux, statfs is the actual syscall
609 have_func_statvfs = false
613 glib_conf.set('USE_STATFS', 1)
614 stat_func_to_use = 'statfs'
615 elif have_func_statvfs
616 glib_conf.set('USE_STATVFS', 1)
617 stat_func_to_use = 'statvfs'
619 stat_func_to_use = 'neither'
621 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
623 if host_system == 'linux'
624 if cc.has_function('mkostemp',
625 prefix: '''#define _GNU_SOURCE
626 #include <stdlib.h>''')
627 glib_conf.set('HAVE_MKOSTEMP', 1)
632 glib_have_os_x_9_or_later = false
633 glib_have_carbon = false
634 glib_have_cocoa = false
635 if host_system == 'darwin'
636 add_languages('objc')
637 objcc = meson.get_compiler('objc')
639 osx_ldflags += ['-Wl,-framework,CoreFoundation']
641 # Mac OS X Carbon support
642 glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
643 #include <CoreServices/CoreServices.h>''',
644 name : 'Mac OS X Carbon support')
647 glib_conf.set('HAVE_CARBON', true)
648 osx_ldflags += '-Wl,-framework,Carbon'
649 glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
650 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
651 #error Compiling for minimum OS X version before 10.9
653 name : 'OS X 9 or later')
656 # Mac OS X Cocoa support
657 glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
658 #ifdef GNUSTEP_BASE_VERSION
659 #error "Detected GNUstep, not Cocoa"
661 name : 'Mac OS X Cocoa support')
664 glib_conf.set('HAVE_COCOA', true)
665 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
668 # FIXME: libgio mix C and objC source files and there is no way to reliably
669 # know which language flags it's going to use to link. Add to both languages
670 # for now. See https://github.com/mesonbuild/meson/issues/3585.
671 add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
675 if cc.links('''#include <linux/futex.h>
676 #include <sys/syscall.h>
678 int main (int argc, char ** argv) {
679 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
681 }''', name : 'futex(2) system call')
682 glib_conf.set('HAVE_FUTEX', 1)
685 # Check for eventfd(2)
686 if cc.links('''#include <sys/eventfd.h>
688 int main (int argc, char ** argv) {
689 eventfd (0, EFD_CLOEXEC);
691 }''', name : 'eventfd(2) system call')
692 glib_conf.set('HAVE_EVENTFD', 1)
695 clock_gettime_test_code = '''
698 int main (int argc, char ** argv) {
699 return clock_gettime(CLOCK_REALTIME, &t);
702 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
703 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
704 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
705 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
706 librt = cc.find_library('rt')
709 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
711 if cc.compiles(glib_conf_prefix + '''
713 #ifdef HAVE_SYS_PARAM_H
714 #include <sys/param.h>
716 #ifdef HAVE_SYS_VFS_H
719 #ifdef HAVE_SYS_MOUNT_H
720 #include <sys/mount.h>
722 #ifdef HAVE_SYS_STATFS_H
723 #include <sys/statfs.h>
725 void some_func (void) {
728 }''', name : 'number of arguments to statfs() (n=2)')
729 glib_conf.set('STATFS_ARGS', 2)
730 elif cc.compiles(glib_conf_prefix + '''
732 #ifdef HAVE_SYS_PARAM_H
733 #include <sys/param.h>
735 #ifdef HAVE_SYS_VFS_H
738 #ifdef HAVE_SYS_MOUNT_H
739 #include <sys/mount.h>
741 #ifdef HAVE_SYS_STATFS_H
742 #include <sys/statfs.h>
744 void some_func (void) {
746 statfs("/", &st, sizeof (st), 0);
747 }''', name : 'number of arguments to statfs() (n=4)')
748 glib_conf.set('STATFS_ARGS', 4)
750 error('Unable to determine number of arguments to statfs()')
754 # open takes O_DIRECTORY as an option
756 if cc.compiles('''#include <fcntl.h>
757 #include <sys/types.h>
758 #include <sys/stat.h>],
759 void some_func (void) {
760 open(0, O_DIRECTORY, 0);
761 }''', name : 'open() option O_DIRECTORY')
762 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
765 # Check whether there is a vsnprintf() function with C99 semantics installed.
766 # (similar tests to AC_FUNC_VSNPRINTF_C99)
767 # Check whether there is a snprintf() function with C99 semantics installed.
768 # (similar tests to AC_FUNC_SNPRINTF_C99)
769 # Check whether there is a printf() function with Unix98 semantics installed.
770 # (similar tests to AC_FUNC_PRINTF_UNIX98)
771 have_good_vsnprintf = false
772 have_good_snprintf = false
773 have_good_printf = false
775 if host_system == 'windows' and cc.get_id() == 'msvc'
776 # Unfortunately the Visual Studio 2015+ implementations of C99-style
777 # snprintf and vsnprintf don't seem to be quite good enough.
778 # (Sorry, I don't know exactly what is the problem,
779 # but it is related to floating point formatting and decimal point vs. comma.)
780 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
781 # rigorous enough to notice, though.
782 glib_conf.set('HAVE_C99_SNPRINTF', false)
783 glib_conf.set('HAVE_C99_VSNPRINTF', false)
784 glib_conf.set('HAVE_UNIX98_PRINTF', false)
786 vsnprintf_c99_test_code = '''
798 r = vsnprintf(buffer, 5, s, args);
804 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
805 implementation. The above will return 7 but if you replace
806 the size of the buffer with 0, it borks! */
808 r = vsnprintf(buffer, 0, s, args);
825 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
826 if rres.compiled() and rres.returncode() == 0
827 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
828 have_good_vsnprintf = true
831 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
832 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
835 snprintf_c99_test_code = '''
846 r = snprintf(buffer, 5, "1234567");
851 r = snprintf(buffer, 0, "1234567");
856 r = snprintf(NULL, 0, "1234567");
872 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
873 if rres.compiled() and rres.returncode() == 0
874 glib_conf.set('HAVE_C99_SNPRINTF', 1)
875 have_good_snprintf = true
878 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
879 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
882 printf_unix98_test_code = '''
890 sprintf (buffer, "%2\$d %3\$d %1\$d", 1, 2, 3);
891 if (strcmp ("2 3 1", buffer) == 0)
897 rres = cc.run(printf_unix98_test_code, name : 'Unix98 printf positional parameters')
898 if rres.compiled() and rres.returncode() == 0
899 glib_conf.set('HAVE_UNIX98_PRINTF', 1)
900 have_good_printf = true
903 have_good_printf = meson.get_cross_property('have_unix98_printf', false)
904 glib_conf.set('HAVE_UNIX98_PRINTF', have_good_printf)
908 if host_system == 'windows'
909 glib_conf.set_quoted('EXEEXT', '.exe')
911 glib_conf.set('EXEEXT', '')
914 if have_good_vsnprintf and have_good_snprintf and have_good_printf
915 # Our printf is 'good' only if vsnpintf()/snprintf()/printf() supports C99 well enough
916 glib_conf.set('HAVE_GOOD_PRINTF', 1)
918 glib_conf.set('HAVE_VASPRINTF', 1)
921 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF',
922 have_good_vsnprintf and have_good_snprintf and have_good_printf)
924 # Check whether the printf() family supports Unix98 %n$ positional parameters
925 # AC_FUNC_PRINTF_UNIX98
926 # Nothing uses HAVE_UNIX98_PRINTF
929 # Check for nl_langinfo and CODESET
930 if cc.links('''#include <langinfo.h>
931 int main (int argc, char ** argv) {
932 char *codeset = nl_langinfo (CODESET);
934 }''', name : 'nl_langinfo and CODESET')
935 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
936 glib_conf.set('HAVE_CODESET', 1)
939 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
940 if cc.links('''#include <langinfo.h>
941 int main (int argc, char ** argv) {
943 str = nl_langinfo (PM_STR);
944 str = nl_langinfo (D_T_FMT);
945 str = nl_langinfo (D_FMT);
946 str = nl_langinfo (T_FMT);
947 str = nl_langinfo (T_FMT_AMPM);
948 str = nl_langinfo (MON_1);
949 str = nl_langinfo (ABMON_12);
950 str = nl_langinfo (DAY_1);
951 str = nl_langinfo (ABDAY_7);
953 }''', name : 'nl_langinfo (PM_STR)')
954 glib_conf.set('HAVE_LANGINFO_TIME', 1)
956 if cc.links('''#include <langinfo.h>
957 int main (int argc, char ** argv) {
959 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
960 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
961 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
962 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
963 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
964 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
965 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
966 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
967 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
968 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
970 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
971 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
974 # Check for nl_langinfo and 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 (ALTMON_1);
982 str = nl_langinfo (ALTMON_2);
983 str = nl_langinfo (ALTMON_3);
984 str = nl_langinfo (ALTMON_4);
985 str = nl_langinfo (ALTMON_5);
986 str = nl_langinfo (ALTMON_6);
987 str = nl_langinfo (ALTMON_7);
988 str = nl_langinfo (ALTMON_8);
989 str = nl_langinfo (ALTMON_9);
990 str = nl_langinfo (ALTMON_10);
991 str = nl_langinfo (ALTMON_11);
992 str = nl_langinfo (ALTMON_12);
994 }''', name : 'nl_langinfo (ALTMON_n)')
995 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
998 # Check for nl_langinfo and abbreviated alternative month names
999 if cc.links('''#ifndef _GNU_SOURCE
1000 # define _GNU_SOURCE
1002 #include <langinfo.h>
1003 int main (int argc, char ** argv) {
1005 str = nl_langinfo (_NL_ALTMON_1);
1006 str = nl_langinfo (_NL_ALTMON_2);
1007 str = nl_langinfo (_NL_ALTMON_3);
1008 str = nl_langinfo (_NL_ALTMON_4);
1009 str = nl_langinfo (_NL_ALTMON_5);
1010 str = nl_langinfo (_NL_ALTMON_6);
1011 str = nl_langinfo (_NL_ALTMON_7);
1012 str = nl_langinfo (_NL_ALTMON_8);
1013 str = nl_langinfo (_NL_ALTMON_9);
1014 str = nl_langinfo (_NL_ALTMON_10);
1015 str = nl_langinfo (_NL_ALTMON_11);
1016 str = nl_langinfo (_NL_ALTMON_12);
1018 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
1019 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
1022 # Check if C compiler supports the 'signed' keyword
1023 if not cc.compiles('''signed char x;''', name : 'signed')
1024 glib_conf.set('signed', '/* NOOP */')
1027 # Check if the ptrdiff_t type exists
1028 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
1029 glib_conf.set('HAVE_PTRDIFF_T', 1)
1032 # Check for sig_atomic_t type
1033 if cc.links('''#include <signal.h>
1034 #include <sys/types.h>
1035 sig_atomic_t val = 42;
1036 int main (int argc, char ** argv) {
1037 return val == 42 ? 0 : 1;
1038 }''', name : 'sig_atomic_t')
1039 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
1042 # Check if 'long long' works
1043 # jm_AC_TYPE_LONG_LONG
1044 if cc.compiles('''long long ll = 1LL;
1046 int some_func (void) {
1047 long long llmax = (long long) -1;
1048 return ll << i | ll >> i | llmax / ll | llmax % ll;
1049 }''', name : 'long long')
1050 glib_conf.set('HAVE_LONG_LONG', 1)
1051 have_long_long = true
1053 have_long_long = false
1056 # Test whether the compiler supports the 'long double' type.
1057 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
1058 long double foo = 0.0;
1059 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
1060 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
1061 name : 'long double')
1062 glib_conf.set('HAVE_LONG_DOUBLE', 1)
1065 # Test whether <stddef.h> has the 'wchar_t' type.
1066 if cc.has_header_symbol('stddef.h', 'wchar_t')
1067 glib_conf.set('HAVE_WCHAR_T', 1)
1070 # Test whether <wchar.h> has the 'wint_t' type.
1071 if cc.has_header_symbol('wchar.h', 'wint_t')
1072 glib_conf.set('HAVE_WINT_T', 1)
1075 found_uintmax_t = false
1077 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
1078 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1079 # jm_AC_HEADER_INTTYPES_H
1080 if cc.compiles('''#include <sys/types.h>
1081 #include <inttypes.h>
1082 void some_func (void) {
1083 uintmax_t i = (uintmax_t) -1;
1084 }''', name : 'uintmax_t in inttypes.h')
1085 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1086 found_uintmax_t = true
1089 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1090 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1091 # jm_AC_HEADER_STDINT_H
1092 if cc.compiles('''#include <sys/types.h>
1094 void some_func (void) {
1095 uintmax_t i = (uintmax_t) -1;
1096 }''', name : 'uintmax_t in stdint.h')
1097 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1098 found_uintmax_t = true
1101 # Define intmax_t to 'long' or 'long long'
1102 # if it is not already defined in <stdint.h> or <inttypes.h>.
1103 # For simplicity, we assume that a header file defines 'intmax_t' if and
1104 # only if it defines 'uintmax_t'.
1106 glib_conf.set('HAVE_INTMAX_T', 1)
1108 glib_conf.set('intmax_t', 'long long')
1110 glib_conf.set('intmax_t', 'long')
1113 char_size = cc.sizeof('char')
1114 short_size = cc.sizeof('short')
1115 int_size = cc.sizeof('int')
1116 voidp_size = cc.sizeof('void*')
1117 long_size = cc.sizeof('long')
1119 long_long_size = cc.sizeof('long long')
1123 sizet_size = cc.sizeof('size_t')
1124 if cc.get_id() == 'msvc'
1125 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1127 ssizet_size = cc.sizeof('ssize_t')
1130 # Some platforms (Apple) hard-code int64_t to long long instead of
1131 # using long on 64-bit architectures. This can cause type mismatch
1132 # warnings when trying to interface with code using the standard
1133 # library type. Test for the warnings and set gint64 to whichever
1135 if long_long_size == long_size
1136 if cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1137 #pragma options langlvl=stdc99
1139 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1146 }''', name : 'int64_t is long')
1147 int64_t_typedef = 'long'
1148 elif cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1149 #pragma options langlvl=stdc99
1151 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1156 long long *i2 = &i1;
1158 }''', name : 'int64_t is long long')
1159 int64_t_typedef = 'long long'
1164 char_align = cc.alignment('char')
1165 short_align = cc.alignment('short')
1166 int_align = cc.alignment('int')
1167 voidp_align = cc.alignment('void*')
1168 long_align = cc.alignment('long')
1169 long_long_align = cc.alignment('long long')
1170 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1171 # be 64-bit in C99, and it is available on all supported compilers
1172 sizet_align = cc.alignment('size_t')
1174 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1176 glib_conf.set('SIZEOF_CHAR', char_size)
1177 glib_conf.set('SIZEOF_INT', int_size)
1178 glib_conf.set('SIZEOF_SHORT', short_size)
1179 glib_conf.set('SIZEOF_LONG', long_size)
1180 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1181 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1182 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1183 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1196 error('Compiler provides no native 16-bit integer type')
1198 glibconfig_conf.set('gint16', gint16)
1199 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1200 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1201 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1208 guint32_align = short_align
1214 guint32_align = int_align
1220 guint32_align = long_align
1222 error('Compiler provides no native 32-bit integer type')
1224 glibconfig_conf.set('gint32', gint32)
1225 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1226 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1227 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1228 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1236 gint64_constant='(val)'
1237 guint64_constant='(val)'
1238 guint64_align = int_align
1239 elif long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long')
1245 gint64_constant='(val##L)'
1246 guint64_constant='(val##UL)'
1247 guint64_align = long_align
1248 elif long_long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long long')
1249 gint64 = 'long long'
1250 glib_extension='G_GNUC_EXTENSION '
1251 gint64_modifier=int64_m
1252 gint64_format=int64_m + 'i'
1253 guint64_format=int64_m + 'u'
1254 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1255 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1256 guint64_align = long_long_align
1258 error('Compiler provides no native 64-bit integer type')
1260 glibconfig_conf.set('glib_extension', glib_extension)
1261 glibconfig_conf.set('gint64', gint64)
1262 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1263 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1264 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1265 glibconfig_conf.set('gint64_constant', gint64_constant)
1266 glibconfig_conf.set('guint64_constant', guint64_constant)
1267 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1269 if host_system == 'windows'
1270 glibconfig_conf.set('g_pid_type', 'void*')
1271 glibconfig_conf.set_quoted('g_pid_format', 'p')
1272 if host_machine.cpu_family() == 'x86_64'
1273 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1275 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1277 glibconfig_conf.set('g_dir_separator', '\\\\')
1278 glibconfig_conf.set('g_searchpath_separator', ';')
1280 glibconfig_conf.set('g_pid_type', 'int')
1281 glibconfig_conf.set_quoted('g_pid_format', 'i')
1282 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1283 glibconfig_conf.set('g_dir_separator', '/')
1284 glibconfig_conf.set('g_searchpath_separator', ':')
1287 if sizet_size == short_size
1288 glibconfig_conf.set('glib_size_type_define', 'short')
1289 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1290 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1291 glibconfig_conf.set_quoted('gsize_format', 'hu')
1292 glibconfig_conf.set_quoted('gssize_format', 'hi')
1293 glibconfig_conf.set('glib_msize_type', 'SHRT')
1294 elif sizet_size == int_size
1295 glibconfig_conf.set('glib_size_type_define', 'int')
1296 glibconfig_conf.set_quoted('gsize_modifier', '')
1297 glibconfig_conf.set_quoted('gssize_modifier', '')
1298 glibconfig_conf.set_quoted('gsize_format', 'u')
1299 glibconfig_conf.set_quoted('gssize_format', 'i')
1300 glibconfig_conf.set('glib_msize_type', 'INT')
1301 elif sizet_size == long_size
1302 glibconfig_conf.set('glib_size_type_define', 'long')
1303 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1304 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1305 glibconfig_conf.set_quoted('gsize_format', 'lu')
1306 glibconfig_conf.set_quoted('gssize_format', 'li')
1307 glibconfig_conf.set('glib_msize_type', 'LONG')
1308 elif sizet_size == long_long_size
1309 glibconfig_conf.set('glib_size_type_define', 'long long')
1310 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1311 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1312 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1313 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1314 glibconfig_conf.set('glib_msize_type', 'INT64')
1316 error('Could not determine size of size_t.')
1319 if voidp_size == int_size
1320 glibconfig_conf.set('glib_intptr_type_define', 'int')
1321 glibconfig_conf.set_quoted('gintptr_modifier', '')
1322 glibconfig_conf.set_quoted('gintptr_format', 'i')
1323 glibconfig_conf.set_quoted('guintptr_format', 'u')
1324 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1325 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1326 elif voidp_size == long_size
1327 glibconfig_conf.set('glib_intptr_type_define', 'long')
1328 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1329 glibconfig_conf.set_quoted('gintptr_format', 'li')
1330 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1331 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1332 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1333 elif voidp_size == long_long_size
1334 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1335 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1336 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1337 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1338 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1339 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1341 error('Could not determine size of void *')
1344 if long_size != 8 and long_long_size != 8 and int_size != 8
1345 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1348 glibconfig_conf.set('gintbits', int_size * 8)
1349 glibconfig_conf.set('glongbits', long_size * 8)
1350 glibconfig_conf.set('gsizebits', sizet_size * 8)
1351 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1353 # XXX: https://gitlab.gnome.org/GNOME/glib/issues/1413
1354 if host_system == 'windows'
1355 g_module_suffix = 'dll'
1357 g_module_suffix = 'so'
1359 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1361 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1362 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1363 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1364 glibconfig_conf.set('GLIB_VERSION', glib_version)
1366 glibconfig_conf.set('glib_void_p', voidp_size)
1367 glibconfig_conf.set('glib_long', long_size)
1368 glibconfig_conf.set('glib_size_t', sizet_size)
1369 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1370 if host_machine.endian() == 'big'
1371 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1372 glibconfig_conf.set('g_bs_native', 'BE')
1373 glibconfig_conf.set('g_bs_alien', 'LE')
1375 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1376 glibconfig_conf.set('g_bs_native', 'LE')
1377 glibconfig_conf.set('g_bs_alien', 'BE')
1380 # === va_copy checks ===
1381 # we currently check for all three va_copy possibilities, so we get
1382 # all results in config.log for bug reports.
1385 foreach try_func : [ '__va_copy', 'va_copy' ]
1386 if cc.compiles('''#include <stdarg.h>
1389 # include "msvc_recommended_pragmas.h"
1391 void f (int i, ...) {
1392 va_list args1, args2;
1393 va_start (args1, i);
1395 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1397 va_end (args1); va_end (args2);
1402 }'''.format(try_func),
1403 name : try_func + ' check')
1404 va_copy_func = try_func
1407 if va_copy_func != ''
1408 glib_conf.set('G_VA_COPY', va_copy_func)
1409 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1411 glib_vacopy = '/* #undef G_VA_COPY */'
1414 va_list_val_copy_prog = '''
1417 void f (int i, ...) {
1418 va_list args1, args2;
1419 va_start (args1, i);
1421 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1423 va_end (args1); va_end (args2);
1431 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1432 glib_va_val_copy = rres.returncode() == 0
1434 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1436 if not glib_va_val_copy
1437 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1438 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1440 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1442 # check for flavours of varargs macros
1443 g_have_iso_c_varargs = cc.compiles('''
1444 void some_func (void) {
1445 int a(int p1, int p2, int p3);
1446 #define call_a(...) a(1,__VA_ARGS__)
1448 }''', name : 'ISO C99 varargs macros in C')
1450 if g_have_iso_c_varargs
1451 glibconfig_conf.set('g_have_iso_c_varargs', '''
1453 # define G_HAVE_ISO_VARARGS 1
1457 g_have_iso_cxx_varargs = cxx.compiles('''
1458 void some_func (void) {
1459 int a(int p1, int p2, int p3);
1460 #define call_a(...) a(1,__VA_ARGS__)
1462 }''', name : 'ISO C99 varargs macros in C++')
1464 if g_have_iso_cxx_varargs
1465 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1467 # define G_HAVE_ISO_VARARGS 1
1471 g_have_gnuc_varargs = cc.compiles('''
1472 void some_func (void) {
1473 int a(int p1, int p2, int p3);
1474 #define call_a(params...) a(1,params)
1476 }''', name : 'GNUC varargs macros')
1478 if cc.has_header('alloca.h')
1479 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1481 has_syspoll = cc.has_header('sys/poll.h')
1482 has_systypes = cc.has_header('sys/types.h')
1484 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1486 has_winsock2 = cc.has_header('winsock2.h')
1488 if has_syspoll and has_systypes
1490 #include<sys/poll.h>
1491 #include<sys/types.h>'''
1494 #define _WIN32_WINNT @0@
1495 #include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
1498 error('FIX POLL* defines')
1502 [ 'POLLIN', 'g_pollin', 1 ],
1503 [ 'POLLOUT', 'g_pollout', 4 ],
1504 [ 'POLLPRI', 'g_pollpri', 2 ],
1505 [ 'POLLERR', 'g_pollerr', 8 ],
1506 [ 'POLLHUP', 'g_pollhup', 16 ],
1507 [ 'POLLNVAL', 'g_pollnval', 32 ],
1510 if has_syspoll and has_systypes
1511 foreach d : poll_defines
1512 val = cc.compute_int(d[0], prefix: poll_includes)
1513 glibconfig_conf.set(d[1], val)
1516 # Due to a missed bug in configure.ac the poll test
1517 # never succeeded on Windows and used some pre-defined
1518 # values as a fallback. Keep using them to maintain
1519 # ABI compatibility with autotools builds of glibs
1520 # and with *any* glib-using code compiled against them,
1521 # since these values end up in a public header glibconfig.h.
1522 foreach d : poll_defines
1523 glibconfig_conf.set(d[1], d[2])
1527 # Internet address families
1528 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1529 if host_system == 'windows'
1531 #include <winsock2.h>'''
1534 #include <sys/types.h>
1535 #include <sys/socket.h>'''
1539 [ 'AF_UNIX', 'g_af_unix' ],
1540 [ 'AF_INET', 'g_af_inet' ],
1541 [ 'AF_INET6', 'g_af_inet6' ],
1542 [ 'MSG_OOB', 'g_msg_oob' ],
1543 [ 'MSG_PEEK', 'g_msg_peek' ],
1544 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1546 foreach d : inet_defines
1547 val = cc.compute_int(d[0], prefix: inet_includes)
1548 glibconfig_conf.set(d[1], val)
1551 # We need a more robust approach here...
1552 host_cpu_family = host_machine.cpu_family()
1553 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')
1554 glib_memory_barrier_needed = false
1555 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1556 glib_memory_barrier_needed = true
1558 warning('Unknown host cpu: ' + host_cpu_family)
1559 glib_memory_barrier_needed = true
1561 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1563 # We need to decide at configure time if GLib will use real atomic
1564 # operations ("lock free") or emulated ones with a mutex. This is
1565 # because we must put this information in glibconfig.h so we know if
1566 # it is safe or not to inline using compiler intrinsics directly from
1569 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1570 # user is interested in knowing if they can use the atomic ops across
1573 # We can currently support the atomic ops natively when building GLib
1574 # with recent versions of GCC or MSVC.
1576 # Note that the atomic ops are only available with GCC on x86 when
1577 # using -march=i486 or higher. If we detect that the atomic ops are
1578 # not available but would be available given the right flags, we want
1579 # to abort and advise the user to fix their CFLAGS. It's better to do
1580 # that then to silently fall back on emulated atomic ops just because
1581 # the user had the wrong build environment.
1582 atomictest = '''int main() {
1583 volatile int atomic = 2;
1584 __sync_bool_compare_and_swap (&atomic, 2, 3);
1590 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1591 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1595 # We know that we can always use real ("lock free") atomic operations with MSVC
1596 if cc.get_id() == 'msvc' or cc.links(atomictest, name : 'atomic ops')
1597 have_atomic_lock_free = true
1598 if (host_system == 'android' or host_system == 'linux') and not cc.compiles(atomicdefine, name : 'atomic ops define')
1599 # When building for armv5 on Linux, gcc provides
1600 # __sync_bool_compare_and_swap but doesn't define
1601 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1602 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1605 have_atomic_lock_free = false
1606 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1607 error('GLib must be built with -march=i486 or later.')
1610 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1614 # Determination of thread implementation
1615 if host_system == 'windows' and not get_option('force_posix_threads')
1617 threads_implementation = 'win32'
1618 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1619 glib_conf.set('THREADS_WIN32', 1)
1621 thread_dep = dependency('threads')
1622 threads_implementation = 'posix'
1623 pthread_prefix = '''
1625 # define _GNU_SOURCE
1627 #include <pthread.h>'''
1628 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1629 glib_conf.set('THREADS_POSIX', 1)
1630 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1631 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1633 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1634 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1636 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1637 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1639 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1640 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1642 # Assume that pthread_setname_np is available in some form; same as configure
1643 if cc.links(pthread_prefix + '''
1645 pthread_setname_np("example");
1648 name : 'pthread_setname_np(const char*)',
1649 dependencies : thread_dep)
1651 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1652 elif cc.links(pthread_prefix + '''
1654 pthread_setname_np(pthread_self(), "example");
1657 name : 'pthread_setname_np(pthread_t, const char*)',
1658 dependencies : thread_dep)
1659 # Linux, Solaris, etc.
1660 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1664 # FIXME: we should make it print the result and always return 0, so that
1665 # the output in meson shows up as green
1666 stack_grows_check_prog = '''
1667 volatile int *a = 0, *b = 0;
1679 return b > a ? 0 : 1;
1683 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1684 growing_stack = rres.returncode() == 0
1686 growing_stack = meson.get_cross_property('growing_stack', false)
1689 glibconfig_conf.set10('G_HAVE_GROWING_STACK', growing_stack)
1693 # We should never use the MinGW C library's iconv because it may not be
1694 # available in the actual runtime environment. On Windows, we always use
1695 # the built-in implementation
1696 iconv_opt = get_option('iconv')
1697 if host_system == 'windows'
1699 # We have a #include "win_iconv.c" in gconvert.c on Windows, so we don't need
1700 # any external library for it
1701 if iconv_opt != 'auto'
1702 warning('-Diconv was set to @0@, which was ignored')
1706 if ['auto', 'libc'].contains(iconv_opt) and cc.has_function('iconv_open')
1710 if not found_iconv and ['auto', 'external'].contains(iconv_opt) and cc.has_header_symbol('iconv.h', 'iconv_open')
1711 libiconv = [cc.find_library('iconv')]
1716 error('iconv implementation "@0@" not found'.format(iconv_opt))
1720 if get_option('internal_pcre')
1722 use_system_pcre = false
1724 pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
1726 if cc.get_id() == 'msvc'
1727 # MSVC: Search for the PCRE library by the configuration, which corresponds
1728 # to the output of CMake builds of PCRE. Note that debugoptimized
1729 # is really a Release build with .PDB files.
1730 if buildtype == 'debug'
1731 pcre = cc.find_library('pcred', required : false)
1733 pcre = cc.find_library('pcre', required : false)
1737 use_system_pcre = pcre.found()
1739 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1741 use_pcre_static_flag = false
1743 if host_system == 'windows'
1744 if not use_system_pcre
1745 use_pcre_static_flag = true
1747 pcre_static = cc.links('''#define PCRE_STATIC
1755 name : 'Windows system PCRE is a static build')
1757 use_pcre_static_flag = true
1762 libm = cc.find_library('m', required : false)
1763 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1765 # Don't use the bundled ZLib sources until we are sure that we can't find it on
1767 libz_dep = dependency('zlib', required : false)
1768 if not libz_dep.found()
1769 if cc.get_id() != 'msvc'
1770 libz_dep = cc.find_library('z', required : false)
1772 libz_dep = cc.find_library('zlib1', required : false)
1773 if not libz_dep.found()
1774 libz_dep = cc.find_library('zlib', required : false)
1777 if not libz_dep.found() or not cc.has_header('zlib.h')
1778 libz_dep = subproject('zlib').get_variable('zlib_dep')
1782 # First check in libc, fallback to libintl, and as last chance build
1783 # proxy-libintl subproject.
1784 # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
1785 # implementations. This could be extended if issues are found in some platforms.
1786 if cc.has_function('ngettext')
1788 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset')
1790 libintl = cc.find_library('intl', required : false)
1791 if not libintl.found()
1792 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1793 have_bind_textdomain_codeset = true # proxy-libintl supports it
1795 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset',
1796 dependencies : libintl)
1800 glib_conf.set('HAVE_BIND_TEXTDOMAIN_CODESET', have_bind_textdomain_codeset)
1802 # We require gettext to always be present
1803 glib_conf.set('HAVE_DCGETTEXT', 1)
1804 glib_conf.set('HAVE_GETTEXT', 1)
1806 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1808 # libmount is only used by gio, but we need to fetch the libs to generate the
1809 # pkg-config file below
1811 if host_system == 'linux' and get_option('libmount')
1812 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1813 glib_conf.set('HAVE_LIBMOUNT', 1)
1816 if host_system == 'windows'
1817 winsock2 = cc.find_library('ws2_32')
1821 if host_system == 'linux'
1822 selinux_dep = dependency('libselinux', required: get_option('selinux'))
1824 glib_conf.set('HAVE_SELINUX', selinux_dep.found())
1828 if host_system != 'windows' and get_option('xattr')
1829 # either glibc or libattr can provide xattr support
1830 # for both of them, we check for getxattr being in
1831 # the library and a valid xattr header.
1834 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1835 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1836 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1837 #failure. try libattr
1838 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1839 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1840 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1841 xattr_dep = [cc.find_library('xattr')]
1843 error('No getxattr implementation found in C library or libxattr')
1846 glib_conf.set('HAVE_XATTR', 1)
1847 if cc.compiles(glib_conf_prefix + '''
1849 #ifdef HAVE_SYS_TYPES_H
1850 #include <sys/types.h>
1852 #ifdef HAVE_SYS_XATTR_H
1853 #include <sys/xattr.h>
1854 #elif HAVE_ATTR_XATTR_H
1855 #include <attr/xattr.h>
1859 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1862 name : 'XATTR_NOFOLLOW')
1863 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1867 # If strlcpy is present (BSD and similar), check that it conforms to the BSD
1868 # specification. Specifically Solaris 8's strlcpy() does not, see
1869 # https://bugzilla.gnome.org/show_bug.cgi?id=53933 for further context.
1870 if cc.has_function('strlcpy')
1872 rres = cc.run('''#include <stdlib.h>
1876 (void) strlcpy (p, "hi", 10);
1877 if (strlcat (p, "bye", 0) != 3)
1881 name : 'OpenBSD strlcpy/strlcat')
1882 if rres.compiled() and rres.returncode() == 0
1883 glib_conf.set('HAVE_STRLCPY', 1)
1885 elif meson.get_cross_property('have_strlcpy', false)
1886 glib_conf.set('HAVE_STRLCPY', 1)
1890 cmdline_test_code = '''
1892 #include <sys/stat.h>
1901 /* This code is a dumbed-down version of g_file_get_contents() */
1905 #define BUFSIZE 1024
1906 char result[BUFSIZE];
1907 struct stat stat_buf;
1909 int fd = open ("/proc/self/cmdline", O_RDONLY|O_BINARY);
1911 assert (fstat (fd, &stat_buf) == 0);
1913 if (stat_buf.st_size > 0 && S_ISREG (stat_buf.st_mode))
1914 assert (read (fd, result, BUFSIZE) > 0);
1917 FILE *f = fdopen (fd, "r");
1919 assert (fread (result, 1, BUFSIZE, f) > 0);
1928 exit (__getcmdline ());
1932 rres = cc.run(cmdline_test_code, name : '/proc/self/cmdline')
1933 have_proc_self_cmdline = rres.compiled() and rres.returncode() == 0
1935 have_proc_self_cmdline = meson.get_cross_property('have_proc_self_cmdline', false)
1938 glib_conf.set('HAVE_PROC_SELF_CMDLINE', have_proc_self_cmdline)
1940 python = import('python').find_installation('python3')
1941 # used for '#!/usr/bin/env <name>'
1942 python_name = 'python3'
1944 python_version = python.language_version()
1945 python_version_req = '>=3.4'
1946 if not python_version.version_compare(python_version_req)
1947 error('Requires Python @0@, @1@ found.'.format(python_version_req, python_version))
1950 # Determine which user environment-dependent files that we want to install
1951 have_bash = find_program('bash', required : false).found() # For completion scripts
1952 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1954 # Some installed tests require a custom environment
1955 env_program = find_program('env', required: installed_tests_enabled)
1957 # FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
1958 if host_system == 'sunos'
1959 glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
1960 glib_conf.set('_XOPEN_SOURCE', 2)
1961 glib_conf.set('__EXTENSIONS__',1)
1964 # Sadly Meson does not expose this value:
1965 # https://github.com/mesonbuild/meson/pull/3460
1966 if host_system == 'windows'
1967 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
1968 # with no explanation. Do the same here for now but this could be revisited if
1970 export_dynamic_ldflags = []
1971 elif host_system == 'cygwin'
1972 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
1973 elif host_system == 'darwin'
1974 export_dynamic_ldflags = []
1976 export_dynamic_ldflags = ['-Wl,--export-dynamic']
1981 if host_system == 'windows' and cc.get_id() != 'msvc'
1982 # Ensure MSVC-compatible struct packing convention is used when
1983 # compiling for Win32 with gcc. It is used for the whole project and exposed
1985 win32_cflags = ['-mms-bitfields']
1986 add_project_arguments(win32_cflags, language : 'c')
1988 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
1989 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
1990 elif host_system == 'cygwin'
1991 win32_ldflags = ['-luser32', '-lkernel32']
1995 want_dtrace = get_option('dtrace')
1996 enable_dtrace = false
1998 # Since dtrace support is opt-in we just error out if it was requested but
1999 # is not available. We don't bother with autodetection yet.
2002 error('GLib dtrace support not yet compatible with macOS dtrace')
2004 dtrace = find_program('dtrace', required : true) # error out if not found
2005 if not cc.has_header('sys/sdt.h')
2006 error('dtrace support needs sys/sdt.h header')
2008 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
2009 dtrace_obj_gen = generator(dtrace,
2010 output : '@BASENAME@.o',
2011 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
2012 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
2013 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
2014 dtrace_hdr_gen = generator(dtrace,
2015 output : '@BASENAME@.h',
2016 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
2017 glib_conf.set('HAVE_DTRACE', 1)
2018 enable_dtrace = true
2022 want_systemtap = get_option('systemtap')
2023 enable_systemtap = false
2025 if want_systemtap and enable_dtrace
2026 tapset_install_dir = get_option('tapset_install_dir')
2027 if tapset_install_dir == ''
2028 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
2030 stp_cdata = configuration_data()
2031 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
2032 stp_cdata.set('LT_CURRENT', minor_version * 100)
2033 stp_cdata.set('LT_REVISION', micro_version)
2034 enable_systemtap = true
2038 test_timeout_slow = 120
2040 pkg = import('pkgconfig')
2041 windows = import('windows')
2050 # xgettext is optional (on Windows for instance)
2051 if find_program('xgettext', required : get_option('nls')).found()
2055 # Install glib-gettextize executable, if a UNIX-style shell is found
2057 # These should not contain " quotes around the values
2058 gettextize_conf = configuration_data()
2059 gettextize_conf.set('PACKAGE', 'glib')
2060 gettextize_conf.set('VERSION', meson.project_version())
2061 gettextize_conf.set('prefix', glib_prefix)
2062 gettextize_conf.set('datarootdir', glib_datadir)
2063 gettextize_conf.set('datadir', glib_datadir)
2064 configure_file(input : 'glib-gettextize.in',
2066 install_dir : glib_bindir,
2067 output : 'glib-gettextize',
2068 configuration : gettextize_conf)
2071 # Install m4 macros that other projects use
2072 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
2073 install_dir : join_paths(get_option('datadir'), 'aclocal'))
2075 if host_system != 'windows'
2076 # Install Valgrind suppression file (except on Windows,
2077 # as Valgrind is currently not supported on Windows)
2078 install_data('glib.supp',
2079 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
2082 configure_file(output : 'config.h', configuration : glib_conf)
2084 if host_system == 'windows'
2085 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
2088 if get_option('man')
2089 xsltproc = find_program('xsltproc', required : true)
2090 xsltproc_command = [
2093 '--stringparam', 'man.output.quietly', '1',
2094 '--stringparam', 'funcsynopsis.style', 'ansi',
2095 '--stringparam', 'man.th.extra1.suppress', '1',
2096 '--stringparam', 'man.authors.section.enabled', '0',
2097 '--stringparam', 'man.copyright.section.enabled', '0',
2099 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
2102 man1_dir = get_option('mandir') + '/man1'
2105 gnome = import('gnome')
2106 subdir('docs/reference')