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'
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 # FIXME: what about Cygwin (G_WITH_CYGWIN)
192 if host_system == 'windows'
193 glib_os = '''#define G_OS_WIN32
194 #define G_PLATFORM_WIN32'''
196 glib_os = '#define G_OS_UNIX'
198 glibconfig_conf.set('glib_os', glib_os)
200 # We need to know the build type to determine what .lib files we need on Visual Studio
201 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
202 buildtype = get_option('buildtype')
204 glib_debug_cflags = []
205 if buildtype.startswith('debug')
206 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
207 elif buildtype == 'release'
208 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
211 add_project_arguments(glib_debug_cflags, language: 'c')
213 # check for header files
218 'dirent.h', # MSC does not come with this by default
252 'sys/time.h', # MSC does not come with this by default
268 define = 'HAVE_' + h.underscorify().to_upper()
269 glib_conf.set(define, 1)
270 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
274 # FIXME: Use cc.check_header from Meson 0.47.
275 # FreeBSD includes a malloc.h which always throw compilation error.
276 if cc.compiles('#include <malloc.h>', name : 'malloc.h')
277 glib_conf.set('HAVE_MALLOC_H', 1)
278 glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
281 if cc.has_header('linux/netlink.h')
282 glib_conf.set('HAVE_NETLINK', 1)
285 if glib_conf.has('HAVE_LOCALE_H')
286 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
287 glib_conf.set('HAVE_LC_MESSAGES', 1)
291 struct_stat_blkprefix = '''
292 #include <sys/types.h>
293 #include <sys/stat.h>
297 #ifdef HAVE_SYS_STATFS_H
298 #include <sys/statfs.h>
300 #ifdef HAVE_SYS_PARAM_H
301 #include <sys/param.h>
303 #ifdef HAVE_SYS_MOUNT_H
304 #include <sys/mount.h>
309 [ 'stat', 'st_mtimensec' ],
310 [ 'stat', 'st_mtim.tv_nsec' ],
311 [ 'stat', 'st_atimensec' ],
312 [ 'stat', 'st_atim.tv_nsec' ],
313 [ 'stat', 'st_ctimensec' ],
314 [ 'stat', 'st_ctim.tv_nsec' ],
315 [ 'stat', 'st_birthtime' ],
316 [ 'stat', 'st_birthtimensec' ],
317 [ 'stat', 'st_birthtim' ],
318 [ 'stat', 'st_birthtim.tv_nsec' ],
319 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
320 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
321 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
322 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
323 [ 'dirent', 'd_type', '''#include <sys/types.h>
324 #include <dirent.h>''' ],
325 [ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
326 [ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
327 [ 'tm', 'tm_gmtoff', '#include <time.h>' ],
328 [ 'tm', '__tm_gmtoff', '#include <time.h>' ],
331 foreach m : struct_members
332 header_check_prefix = glib_conf_prefix
334 header_check_prefix = header_check_prefix + m[2]
336 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
338 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
339 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
340 glib_conf.set(define, 1)
341 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
347 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
350 '-Wduplicated-branches',
351 '-Wimplicit-fallthrough',
352 '-Wmisleading-indentation',
353 '-Wstrict-prototypes',
355 # Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
356 # building with -Wbad-function-cast.
357 '-Wno-bad-function-cast',
358 # Due to function casts through (void*) we cannot support -Wpedantic:
359 # https://wiki.gnome.org/Projects/GLib/CompilerRequirements#Function_pointer_conversions.
361 '-Werror=declaration-after-statement',
363 '-Werror=implicit-function-declaration',
365 '-Werror=missing-include-dirs',
366 '-Werror=missing-prototypes',
367 '-Werror=pointer-arith',
369 warning_c_link_args = [
372 if get_option('bsymbolic_functions')
373 warning_c_link_args += ['-Wl,-Bsymbolic-functions']
377 warning_c_link_args = []
380 add_project_arguments(cc.get_supported_arguments(warning_c_args), language: 'c')
382 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
383 # means we cannot use that flag in add_project_link_arguments(), and must add
384 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
385 # because that is what the autotools build did.
386 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
388 glib_link_flags = cc.get_supported_link_arguments(warning_c_link_args)
390 # Windows Support (7+)
391 if host_system == 'windows'
392 glib_conf.set('_WIN32_WINNT', '0x0601')
455 if glib_conf.has('HAVE_SYS_STATVFS_H')
456 functions += ['statvfs']
458 have_func_statvfs = false
460 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
461 functions += ['statfs']
463 have_func_statfs = false
466 if host_system == 'windows'
467 iphlpapi_dep = cc.find_library('iphlpapi')
468 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
469 foreach ifunc : iphlpapi_funcs
470 iphl_prefix = '''#define _WIN32_WINNT @0@
471 #include <winsock2.h>
472 #include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
473 if cc.has_function(ifunc,
474 prefix : iphl_prefix,
475 dependencies : iphlpapi_dep)
476 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
477 glib_conf.set(idefine, 1)
478 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
479 set_variable('have_func_' + ifunc, true)
481 set_variable('have_func_' + ifunc, false)
485 functions += ['if_indextoname', 'if_nametoindex']
488 # AIX splice is something else
489 if host_system != 'aix'
490 functions += ['splice']
493 foreach f : functions
494 if cc.has_function(f)
495 define = 'HAVE_' + f.underscorify().to_upper()
496 glib_conf.set(define, 1)
497 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
498 set_variable('have_func_' + f, true)
500 set_variable('have_func_' + f, false)
504 # Check that stpcpy() is usable; must use header
505 if cc.has_function('stpcpy', prefix : '#include <string.h>')
506 glib_conf.set('HAVE_STPCPY', 1)
509 # Check that posix_memalign() is usable; must use header
510 if cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
511 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
514 # Check that posix_spawn() is usable; must use header
515 if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
516 glib_conf.set('HAVE_POSIX_SPAWN', 1)
519 # Check whether strerror_r returns char *
520 if have_func_strerror_r
521 if cc.compiles('''#define _GNU_SOURCE
524 char error_string[256];
525 char *ptr = strerror_r (-2, error_string, 256);
526 char c = *strerror_r (-2, error_string, 256);
527 return c != 0 && ptr != (void*) 0L;
530 name : 'strerror_r() returns char *')
531 glib_conf.set('STRERROR_R_CHAR_P', 1,
532 description: 'Defined if strerror_r returns char *')
536 # Special-case these functions that have alternative names on Windows/MSVC
537 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
538 glib_conf.set('HAVE_SNPRINTF', 1)
539 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
540 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
541 hack_define = '1\n#define snprintf _snprintf'
542 glib_conf.set('HAVE_SNPRINTF', hack_define)
543 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
546 if cc.has_function('strcasecmp')
547 glib_conf.set('HAVE_STRCASECMP', 1)
548 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
549 elif cc.has_function('_stricmp')
550 hack_define = '1\n#define strcasecmp _stricmp'
551 glib_conf.set('HAVE_STRCASECMP', hack_define)
552 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
555 if cc.has_function('strncasecmp')
556 glib_conf.set('HAVE_STRNCASECMP', 1)
557 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
558 elif cc.has_function('_strnicmp')
559 hack_define = '1\n#define strncasecmp _strnicmp'
560 glib_conf.set('HAVE_STRNCASECMP', hack_define)
561 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
564 if cc.has_header_symbol('sys/sysmacros.h', 'major')
565 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
566 elif cc.has_header_symbol('sys/mkdev.h', 'major')
567 glib_conf.set('MAJOR_IN_MKDEV', 1)
568 elif cc.has_header_symbol('sys/types.h', 'major')
569 glib_conf.set('MAJOR_IN_TYPES', 1)
572 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
573 glib_conf.set('HAVE_RTLD_LAZY', 1)
576 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
577 glib_conf.set('HAVE_RTLD_NOW', 1)
580 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
581 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
584 # Check whether to use statfs or statvfs
585 # Some systems have both statfs and statvfs, pick the most "native" for these
586 if have_func_statfs and have_func_statvfs
587 # on solaris and irix, statfs doesn't even have the f_bavail field
588 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
589 have_func_statfs = false
591 # at least on linux, statfs is the actual syscall
592 have_func_statvfs = false
596 glib_conf.set('USE_STATFS', 1)
597 stat_func_to_use = 'statfs'
598 elif have_func_statvfs
599 glib_conf.set('USE_STATVFS', 1)
600 stat_func_to_use = 'statvfs'
602 stat_func_to_use = 'neither'
604 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
606 if host_system == 'linux'
607 if cc.has_function('mkostemp',
608 prefix: '''#define _GNU_SOURCE
609 #include <stdlib.h>''')
610 glib_conf.set('HAVE_MKOSTEMP', 1)
615 glib_have_os_x_9_or_later = false
616 glib_have_carbon = false
617 glib_have_cocoa = false
618 if host_system == 'darwin'
619 add_languages('objc')
620 objcc = meson.get_compiler('objc')
622 osx_ldflags += ['-Wl,-framework,CoreFoundation']
624 # Mac OS X Carbon support
625 glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
626 #include <CoreServices/CoreServices.h>''',
627 name : 'Mac OS X Carbon support')
630 glib_conf.set('HAVE_CARBON', true)
631 osx_ldflags += '-Wl,-framework,Carbon'
632 glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
633 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
634 #error Compiling for minimum OS X version before 10.9
636 name : 'OS X 9 or later')
639 # Mac OS X Cocoa support
640 glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
641 #ifdef GNUSTEP_BASE_VERSION
642 #error "Detected GNUstep, not Cocoa"
644 name : 'Mac OS X Cocoa support')
647 glib_conf.set('HAVE_COCOA', true)
648 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
651 # FIXME: libgio mix C and objC source files and there is no way to reliably
652 # know which language flags it's going to use to link. Add to both languages
653 # for now. See https://github.com/mesonbuild/meson/issues/3585.
654 add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
658 if cc.links('''#include <linux/futex.h>
659 #include <sys/syscall.h>
661 int main (int argc, char ** argv) {
662 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
664 }''', name : 'futex(2) system call')
665 glib_conf.set('HAVE_FUTEX', 1)
668 # Check for eventfd(2)
669 if cc.links('''#include <sys/eventfd.h>
671 int main (int argc, char ** argv) {
672 eventfd (0, EFD_CLOEXEC);
674 }''', name : 'eventfd(2) system call')
675 glib_conf.set('HAVE_EVENTFD', 1)
678 clock_gettime_test_code = '''
681 int main (int argc, char ** argv) {
682 return clock_gettime(CLOCK_REALTIME, &t);
685 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
686 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
687 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
688 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
689 librt = cc.find_library('rt')
692 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
694 if cc.compiles(glib_conf_prefix + '''
696 #ifdef HAVE_SYS_PARAM_H
697 #include <sys/param.h>
699 #ifdef HAVE_SYS_VFS_H
702 #ifdef HAVE_SYS_MOUNT_H
703 #include <sys/mount.h>
705 #ifdef HAVE_SYS_STATFS_H
706 #include <sys/statfs.h>
708 void some_func (void) {
711 }''', name : 'number of arguments to statfs() (n=2)')
712 glib_conf.set('STATFS_ARGS', 2)
713 elif cc.compiles(glib_conf_prefix + '''
715 #ifdef HAVE_SYS_PARAM_H
716 #include <sys/param.h>
718 #ifdef HAVE_SYS_VFS_H
721 #ifdef HAVE_SYS_MOUNT_H
722 #include <sys/mount.h>
724 #ifdef HAVE_SYS_STATFS_H
725 #include <sys/statfs.h>
727 void some_func (void) {
729 statfs("/", &st, sizeof (st), 0);
730 }''', name : 'number of arguments to statfs() (n=4)')
731 glib_conf.set('STATFS_ARGS', 4)
733 error('Unable to determine number of arguments to statfs()')
737 # open takes O_DIRECTORY as an option
739 if cc.compiles('''#include <fcntl.h>
740 #include <sys/types.h>
741 #include <sys/stat.h>],
742 void some_func (void) {
743 open(0, O_DIRECTORY, 0);
744 }''', name : 'open() option O_DIRECTORY')
745 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
748 # Check whether there is a vsnprintf() function with C99 semantics installed.
749 # (similar tests to AC_FUNC_VSNPRINTF_C99)
750 # Check whether there is a snprintf() function with C99 semantics installed.
751 # (similar tests to AC_FUNC_SNPRINTF_C99)
752 # Check whether there is a printf() function with Unix98 semantics installed.
753 # (similar tests to AC_FUNC_PRINTF_UNIX98)
754 have_good_vsnprintf = false
755 have_good_snprintf = false
756 have_good_printf = false
758 if host_system == 'windows' and cc.get_id() == 'msvc'
759 # Unfortunately the Visual Studio 2015+ implementations of C99-style
760 # snprintf and vsnprintf don't seem to be quite good enough.
761 # (Sorry, I don't know exactly what is the problem,
762 # but it is related to floating point formatting and decimal point vs. comma.)
763 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
764 # rigorous enough to notice, though.
765 glib_conf.set('HAVE_C99_SNPRINTF', false)
766 glib_conf.set('HAVE_C99_VSNPRINTF', false)
767 glib_conf.set('HAVE_UNIX98_PRINTF', false)
769 vsnprintf_c99_test_code = '''
781 r = vsnprintf(buffer, 5, s, args);
787 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
788 implementation. The above will return 7 but if you replace
789 the size of the buffer with 0, it borks! */
791 r = vsnprintf(buffer, 0, s, args);
808 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
809 if rres.compiled() and rres.returncode() == 0
810 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
811 have_good_vsnprintf = true
814 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
815 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
818 snprintf_c99_test_code = '''
829 r = snprintf(buffer, 5, "1234567");
834 r = snprintf(buffer, 0, "1234567");
839 r = snprintf(NULL, 0, "1234567");
855 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
856 if rres.compiled() and rres.returncode() == 0
857 glib_conf.set('HAVE_C99_SNPRINTF', 1)
858 have_good_snprintf = true
861 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
862 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
865 printf_unix98_test_code = '''
873 sprintf (buffer, "%2\$d %3\$d %1\$d", 1, 2, 3);
874 if (strcmp ("2 3 1", buffer) == 0)
880 rres = cc.run(printf_unix98_test_code, name : 'Unix98 printf positional parameters')
881 if rres.compiled() and rres.returncode() == 0
882 glib_conf.set('HAVE_UNIX98_PRINTF', 1)
883 have_good_printf = true
886 have_good_printf = meson.get_cross_property('have_unix98_printf', false)
887 glib_conf.set('HAVE_UNIX98_PRINTF', have_good_printf)
891 if host_system == 'windows'
892 glib_conf.set_quoted('EXEEXT', '.exe')
894 glib_conf.set('EXEEXT', '')
897 if have_good_vsnprintf and have_good_snprintf and have_good_printf
898 # Our printf is 'good' only if vsnpintf()/snprintf()/printf() supports C99 well enough
899 glib_conf.set('HAVE_GOOD_PRINTF', 1)
901 glib_conf.set('HAVE_VASPRINTF', 1)
904 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF',
905 have_good_vsnprintf and have_good_snprintf and have_good_printf)
907 # Check whether the printf() family supports Unix98 %n$ positional parameters
908 # AC_FUNC_PRINTF_UNIX98
909 # Nothing uses HAVE_UNIX98_PRINTF
912 # Check for nl_langinfo and CODESET
913 if cc.links('''#include <langinfo.h>
914 int main (int argc, char ** argv) {
915 char *codeset = nl_langinfo (CODESET);
917 }''', name : 'nl_langinfo and CODESET')
918 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
919 glib_conf.set('HAVE_CODESET', 1)
922 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
923 if cc.links('''#include <langinfo.h>
924 int main (int argc, char ** argv) {
926 str = nl_langinfo (PM_STR);
927 str = nl_langinfo (D_T_FMT);
928 str = nl_langinfo (D_FMT);
929 str = nl_langinfo (T_FMT);
930 str = nl_langinfo (T_FMT_AMPM);
931 str = nl_langinfo (MON_1);
932 str = nl_langinfo (ABMON_12);
933 str = nl_langinfo (DAY_1);
934 str = nl_langinfo (ABDAY_7);
936 }''', name : 'nl_langinfo (PM_STR)')
937 glib_conf.set('HAVE_LANGINFO_TIME', 1)
939 if cc.links('''#include <langinfo.h>
940 int main (int argc, char ** argv) {
942 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
943 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
944 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
945 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
946 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
947 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
948 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
949 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
950 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
951 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
953 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
954 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
957 # Check for nl_langinfo and alternative month names
958 if cc.links('''#ifndef _GNU_SOURCE
961 #include <langinfo.h>
962 int main (int argc, char ** argv) {
964 str = nl_langinfo (ALTMON_1);
965 str = nl_langinfo (ALTMON_2);
966 str = nl_langinfo (ALTMON_3);
967 str = nl_langinfo (ALTMON_4);
968 str = nl_langinfo (ALTMON_5);
969 str = nl_langinfo (ALTMON_6);
970 str = nl_langinfo (ALTMON_7);
971 str = nl_langinfo (ALTMON_8);
972 str = nl_langinfo (ALTMON_9);
973 str = nl_langinfo (ALTMON_10);
974 str = nl_langinfo (ALTMON_11);
975 str = nl_langinfo (ALTMON_12);
977 }''', name : 'nl_langinfo (ALTMON_n)')
978 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
981 # Check for nl_langinfo and abbreviated alternative month names
982 if cc.links('''#ifndef _GNU_SOURCE
985 #include <langinfo.h>
986 int main (int argc, char ** argv) {
988 str = nl_langinfo (_NL_ALTMON_1);
989 str = nl_langinfo (_NL_ALTMON_2);
990 str = nl_langinfo (_NL_ALTMON_3);
991 str = nl_langinfo (_NL_ALTMON_4);
992 str = nl_langinfo (_NL_ALTMON_5);
993 str = nl_langinfo (_NL_ALTMON_6);
994 str = nl_langinfo (_NL_ALTMON_7);
995 str = nl_langinfo (_NL_ALTMON_8);
996 str = nl_langinfo (_NL_ALTMON_9);
997 str = nl_langinfo (_NL_ALTMON_10);
998 str = nl_langinfo (_NL_ALTMON_11);
999 str = nl_langinfo (_NL_ALTMON_12);
1001 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
1002 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
1005 # Check if C compiler supports the 'signed' keyword
1006 if not cc.compiles('''signed char x;''', name : 'signed')
1007 glib_conf.set('signed', '/* NOOP */')
1010 # Check if the ptrdiff_t type exists
1011 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
1012 glib_conf.set('HAVE_PTRDIFF_T', 1)
1015 # Check for sig_atomic_t type
1016 if cc.links('''#include <signal.h>
1017 #include <sys/types.h>
1018 sig_atomic_t val = 42;
1019 int main (int argc, char ** argv) {
1020 return val == 42 ? 0 : 1;
1021 }''', name : 'sig_atomic_t')
1022 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
1025 # Check if 'long long' works
1026 # jm_AC_TYPE_LONG_LONG
1027 if cc.compiles('''long long ll = 1LL;
1029 int some_func (void) {
1030 long long llmax = (long long) -1;
1031 return ll << i | ll >> i | llmax / ll | llmax % ll;
1032 }''', name : 'long long')
1033 glib_conf.set('HAVE_LONG_LONG', 1)
1034 have_long_long = true
1036 have_long_long = false
1039 # Test whether the compiler supports the 'long double' type.
1040 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
1041 long double foo = 0.0;
1042 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
1043 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
1044 name : 'long double')
1045 glib_conf.set('HAVE_LONG_DOUBLE', 1)
1048 # Test whether <stddef.h> has the 'wchar_t' type.
1049 if cc.has_header_symbol('stddef.h', 'wchar_t')
1050 glib_conf.set('HAVE_WCHAR_T', 1)
1053 # Test whether <wchar.h> has the 'wint_t' type.
1054 if cc.has_header_symbol('wchar.h', 'wint_t')
1055 glib_conf.set('HAVE_WINT_T', 1)
1058 found_uintmax_t = false
1060 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
1061 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1062 # jm_AC_HEADER_INTTYPES_H
1063 if cc.compiles('''#include <sys/types.h>
1064 #include <inttypes.h>
1065 void some_func (void) {
1066 uintmax_t i = (uintmax_t) -1;
1067 }''', name : 'uintmax_t in inttypes.h')
1068 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1069 found_uintmax_t = true
1072 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1073 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1074 # jm_AC_HEADER_STDINT_H
1075 if cc.compiles('''#include <sys/types.h>
1077 void some_func (void) {
1078 uintmax_t i = (uintmax_t) -1;
1079 }''', name : 'uintmax_t in stdint.h')
1080 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1081 found_uintmax_t = true
1084 # Define intmax_t to 'long' or 'long long'
1085 # if it is not already defined in <stdint.h> or <inttypes.h>.
1086 # For simplicity, we assume that a header file defines 'intmax_t' if and
1087 # only if it defines 'uintmax_t'.
1089 glib_conf.set('HAVE_INTMAX_T', 1)
1091 glib_conf.set('intmax_t', 'long long')
1093 glib_conf.set('intmax_t', 'long')
1096 char_size = cc.sizeof('char')
1097 short_size = cc.sizeof('short')
1098 int_size = cc.sizeof('int')
1099 voidp_size = cc.sizeof('void*')
1100 long_size = cc.sizeof('long')
1102 long_long_size = cc.sizeof('long long')
1106 sizet_size = cc.sizeof('size_t')
1107 if cc.get_id() == 'msvc'
1108 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1110 ssizet_size = cc.sizeof('ssize_t')
1113 # Some platforms (Apple) hard-code int64_t to long long instead of
1114 # using long on 64-bit architectures. This can cause type mismatch
1115 # warnings when trying to interface with code using the standard
1116 # library type. Test for the warnings and set gint64 to whichever
1118 if long_long_size == long_size
1119 if cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1120 #pragma options langlvl=stdc99
1122 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1129 }''', name : 'int64_t is long')
1130 int64_t_typedef = 'long'
1131 elif cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1132 #pragma options langlvl=stdc99
1134 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1139 long long *i2 = &i1;
1141 }''', name : 'int64_t is long long')
1142 int64_t_typedef = 'long long'
1147 char_align = cc.alignment('char')
1148 short_align = cc.alignment('short')
1149 int_align = cc.alignment('int')
1150 voidp_align = cc.alignment('void*')
1151 long_align = cc.alignment('long')
1152 long_long_align = cc.alignment('long long')
1153 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1154 # be 64-bit in C99, and it is available on all supported compilers
1155 sizet_align = cc.alignment('size_t')
1157 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1159 glib_conf.set('SIZEOF_CHAR', char_size)
1160 glib_conf.set('SIZEOF_INT', int_size)
1161 glib_conf.set('SIZEOF_SHORT', short_size)
1162 glib_conf.set('SIZEOF_LONG', long_size)
1163 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1164 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1165 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1166 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1179 error('Compiler provides no native 16-bit integer type')
1181 glibconfig_conf.set('gint16', gint16)
1182 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1183 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1184 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1191 guint32_align = short_align
1197 guint32_align = int_align
1203 guint32_align = long_align
1205 error('Compiler provides no native 32-bit integer type')
1207 glibconfig_conf.set('gint32', gint32)
1208 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1209 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1210 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1211 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1219 gint64_constant='(val)'
1220 guint64_constant='(val)'
1221 guint64_align = int_align
1222 elif long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long')
1228 gint64_constant='(val##L)'
1229 guint64_constant='(val##UL)'
1230 guint64_align = long_align
1231 elif long_long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long long')
1232 gint64 = 'long long'
1233 glib_extension='G_GNUC_EXTENSION '
1234 gint64_modifier=int64_m
1235 gint64_format=int64_m + 'i'
1236 guint64_format=int64_m + 'u'
1237 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1238 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1239 guint64_align = long_long_align
1241 error('Compiler provides no native 64-bit integer type')
1243 glibconfig_conf.set('glib_extension', glib_extension)
1244 glibconfig_conf.set('gint64', gint64)
1245 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1246 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1247 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1248 glibconfig_conf.set('gint64_constant', gint64_constant)
1249 glibconfig_conf.set('guint64_constant', guint64_constant)
1250 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1252 if host_system == 'windows'
1253 glibconfig_conf.set('g_pid_type', 'void*')
1254 glibconfig_conf.set_quoted('g_pid_format', 'p')
1255 if host_machine.cpu_family() == 'x86_64'
1256 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1258 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1260 glibconfig_conf.set('g_dir_separator', '\\\\')
1261 glibconfig_conf.set('g_searchpath_separator', ';')
1263 glibconfig_conf.set('g_pid_type', 'int')
1264 glibconfig_conf.set_quoted('g_pid_format', 'i')
1265 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1266 glibconfig_conf.set('g_dir_separator', '/')
1267 glibconfig_conf.set('g_searchpath_separator', ':')
1270 if sizet_size == short_size
1271 glibconfig_conf.set('glib_size_type_define', 'short')
1272 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1273 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1274 glibconfig_conf.set_quoted('gsize_format', 'hu')
1275 glibconfig_conf.set_quoted('gssize_format', 'hi')
1276 glibconfig_conf.set('glib_msize_type', 'SHRT')
1277 elif sizet_size == int_size
1278 glibconfig_conf.set('glib_size_type_define', 'int')
1279 glibconfig_conf.set_quoted('gsize_modifier', '')
1280 glibconfig_conf.set_quoted('gssize_modifier', '')
1281 glibconfig_conf.set_quoted('gsize_format', 'u')
1282 glibconfig_conf.set_quoted('gssize_format', 'i')
1283 glibconfig_conf.set('glib_msize_type', 'INT')
1284 elif sizet_size == long_size
1285 glibconfig_conf.set('glib_size_type_define', 'long')
1286 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1287 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1288 glibconfig_conf.set_quoted('gsize_format', 'lu')
1289 glibconfig_conf.set_quoted('gssize_format', 'li')
1290 glibconfig_conf.set('glib_msize_type', 'LONG')
1291 elif sizet_size == long_long_size
1292 glibconfig_conf.set('glib_size_type_define', 'long long')
1293 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1294 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1295 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1296 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1297 glibconfig_conf.set('glib_msize_type', 'INT64')
1299 error('Could not determine size of size_t.')
1302 if voidp_size == int_size
1303 glibconfig_conf.set('glib_intptr_type_define', 'int')
1304 glibconfig_conf.set_quoted('gintptr_modifier', '')
1305 glibconfig_conf.set_quoted('gintptr_format', 'i')
1306 glibconfig_conf.set_quoted('guintptr_format', 'u')
1307 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1308 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1309 elif voidp_size == long_size
1310 glibconfig_conf.set('glib_intptr_type_define', 'long')
1311 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1312 glibconfig_conf.set_quoted('gintptr_format', 'li')
1313 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1314 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1315 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1316 elif voidp_size == long_long_size
1317 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1318 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1319 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1320 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1321 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1322 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1324 error('Could not determine size of void *')
1327 if long_size != 8 and long_long_size != 8 and int_size != 8
1328 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1331 glibconfig_conf.set('gintbits', int_size * 8)
1332 glibconfig_conf.set('glongbits', long_size * 8)
1333 glibconfig_conf.set('gsizebits', sizet_size * 8)
1334 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1336 # XXX: https://gitlab.gnome.org/GNOME/glib/issues/1413
1337 if host_system == 'windows'
1338 g_module_suffix = 'dll'
1340 g_module_suffix = 'so'
1342 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1344 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1345 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1346 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1347 glibconfig_conf.set('GLIB_VERSION', glib_version)
1349 glibconfig_conf.set('glib_void_p', voidp_size)
1350 glibconfig_conf.set('glib_long', long_size)
1351 glibconfig_conf.set('glib_size_t', sizet_size)
1352 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1353 if host_machine.endian() == 'big'
1354 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1355 glibconfig_conf.set('g_bs_native', 'BE')
1356 glibconfig_conf.set('g_bs_alien', 'LE')
1358 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1359 glibconfig_conf.set('g_bs_native', 'LE')
1360 glibconfig_conf.set('g_bs_alien', 'BE')
1363 # === va_copy checks ===
1364 # we currently check for all three va_copy possibilities, so we get
1365 # all results in config.log for bug reports.
1368 foreach try_func : [ '__va_copy', 'va_copy' ]
1369 if cc.compiles('''#include <stdarg.h>
1372 # include "msvc_recommended_pragmas.h"
1374 void f (int i, ...) {
1375 va_list args1, args2;
1376 va_start (args1, i);
1378 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1380 va_end (args1); va_end (args2);
1385 }'''.format(try_func),
1386 name : try_func + ' check')
1387 va_copy_func = try_func
1390 if va_copy_func != ''
1391 glib_conf.set('G_VA_COPY', va_copy_func)
1392 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1394 glib_vacopy = '/* #undef G_VA_COPY */'
1397 va_list_val_copy_prog = '''
1400 void f (int i, ...) {
1401 va_list args1, args2;
1402 va_start (args1, i);
1404 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1406 va_end (args1); va_end (args2);
1414 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1415 glib_va_val_copy = rres.returncode() == 0
1417 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1419 if not glib_va_val_copy
1420 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1421 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1423 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1425 # check for flavours of varargs macros
1426 g_have_iso_c_varargs = cc.compiles('''
1427 void some_func (void) {
1428 int a(int p1, int p2, int p3);
1429 #define call_a(...) a(1,__VA_ARGS__)
1431 }''', name : 'ISO C99 varargs macros in C')
1433 if g_have_iso_c_varargs
1434 glibconfig_conf.set('g_have_iso_c_varargs', '''
1436 # define G_HAVE_ISO_VARARGS 1
1440 g_have_iso_cxx_varargs = cxx.compiles('''
1441 void some_func (void) {
1442 int a(int p1, int p2, int p3);
1443 #define call_a(...) a(1,__VA_ARGS__)
1445 }''', name : 'ISO C99 varargs macros in C++')
1447 if g_have_iso_cxx_varargs
1448 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1450 # define G_HAVE_ISO_VARARGS 1
1454 g_have_gnuc_varargs = cc.compiles('''
1455 void some_func (void) {
1456 int a(int p1, int p2, int p3);
1457 #define call_a(params...) a(1,params)
1459 }''', name : 'GNUC varargs macros')
1461 if cc.has_header('alloca.h')
1462 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1464 has_syspoll = cc.has_header('sys/poll.h')
1465 has_systypes = cc.has_header('sys/types.h')
1467 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1469 has_winsock2 = cc.has_header('winsock2.h')
1471 if has_syspoll and has_systypes
1473 #include<sys/poll.h>
1474 #include<sys/types.h>'''
1477 #define _WIN32_WINNT @0@
1478 #include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
1481 error('FIX POLL* defines')
1485 [ 'POLLIN', 'g_pollin', 1 ],
1486 [ 'POLLOUT', 'g_pollout', 4 ],
1487 [ 'POLLPRI', 'g_pollpri', 2 ],
1488 [ 'POLLERR', 'g_pollerr', 8 ],
1489 [ 'POLLHUP', 'g_pollhup', 16 ],
1490 [ 'POLLNVAL', 'g_pollnval', 32 ],
1493 if has_syspoll and has_systypes
1494 foreach d : poll_defines
1495 val = cc.compute_int(d[0], prefix: poll_includes)
1496 glibconfig_conf.set(d[1], val)
1499 # Due to a missed bug in configure.ac the poll test
1500 # never succeeded on Windows and used some pre-defined
1501 # values as a fallback. Keep using them to maintain
1502 # ABI compatibility with autotools builds of glibs
1503 # and with *any* glib-using code compiled against them,
1504 # since these values end up in a public header glibconfig.h.
1505 foreach d : poll_defines
1506 glibconfig_conf.set(d[1], d[2])
1510 # Internet address families
1511 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1512 if host_system == 'windows'
1514 #include <winsock2.h>'''
1517 #include <sys/types.h>
1518 #include <sys/socket.h>'''
1522 [ 'AF_UNIX', 'g_af_unix' ],
1523 [ 'AF_INET', 'g_af_inet' ],
1524 [ 'AF_INET6', 'g_af_inet6' ],
1525 [ 'MSG_OOB', 'g_msg_oob' ],
1526 [ 'MSG_PEEK', 'g_msg_peek' ],
1527 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1529 foreach d : inet_defines
1530 val = cc.compute_int(d[0], prefix: inet_includes)
1531 glibconfig_conf.set(d[1], val)
1534 # We need a more robust approach here...
1535 host_cpu_family = host_machine.cpu_family()
1536 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')
1537 glib_memory_barrier_needed = false
1538 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1539 glib_memory_barrier_needed = true
1541 warning('Unknown host cpu: ' + host_cpu_family)
1542 glib_memory_barrier_needed = true
1544 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1546 # We need to decide at configure time if GLib will use real atomic
1547 # operations ("lock free") or emulated ones with a mutex. This is
1548 # because we must put this information in glibconfig.h so we know if
1549 # it is safe or not to inline using compiler intrinsics directly from
1552 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1553 # user is interested in knowing if they can use the atomic ops across
1556 # We can currently support the atomic ops natively when building GLib
1557 # with recent versions of GCC or MSVC.
1559 # Note that the atomic ops are only available with GCC on x86 when
1560 # using -march=i486 or higher. If we detect that the atomic ops are
1561 # not available but would be available given the right flags, we want
1562 # to abort and advise the user to fix their CFLAGS. It's better to do
1563 # that then to silently fall back on emulated atomic ops just because
1564 # the user had the wrong build environment.
1565 atomictest = '''int main() {
1566 volatile int atomic = 2;
1567 __sync_bool_compare_and_swap (&atomic, 2, 3);
1573 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1574 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1578 # We know that we can always use real ("lock free") atomic operations with MSVC
1579 if cc.get_id() == 'msvc' or cc.links(atomictest, name : 'atomic ops')
1580 have_atomic_lock_free = true
1581 if (host_system == 'android' or host_system == 'linux') and not cc.compiles(atomicdefine, name : 'atomic ops define')
1582 # When building for armv5 on Linux, gcc provides
1583 # __sync_bool_compare_and_swap but doesn't define
1584 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1585 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1588 have_atomic_lock_free = false
1589 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1590 error('GLib must be built with -march=i486 or later.')
1593 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1597 # Determination of thread implementation
1598 if host_system == 'windows' and not get_option('force_posix_threads')
1600 threads_implementation = 'win32'
1601 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1602 glib_conf.set('THREADS_WIN32', 1)
1604 thread_dep = dependency('threads')
1605 threads_implementation = 'posix'
1606 pthread_prefix = '''
1608 # define _GNU_SOURCE
1610 #include <pthread.h>'''
1611 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1612 glib_conf.set('THREADS_POSIX', 1)
1613 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1614 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1616 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1617 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1619 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1620 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1622 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1623 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1625 # Assume that pthread_setname_np is available in some form; same as configure
1626 if cc.links(pthread_prefix + '''
1628 pthread_setname_np("example");
1631 name : 'pthread_setname_np(const char*)',
1632 dependencies : thread_dep)
1634 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1635 elif cc.links(pthread_prefix + '''
1637 pthread_setname_np(pthread_self(), "example");
1640 name : 'pthread_setname_np(pthread_t, const char*)',
1641 dependencies : thread_dep)
1642 # Linux, Solaris, etc.
1643 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1647 # FIXME: we should make it print the result and always return 0, so that
1648 # the output in meson shows up as green
1649 stack_grows_check_prog = '''
1650 volatile int *a = 0, *b = 0;
1662 return b > a ? 0 : 1;
1666 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1667 growing_stack = rres.returncode() == 0
1669 growing_stack = meson.get_cross_property('growing_stack', false)
1672 glibconfig_conf.set10('G_HAVE_GROWING_STACK', growing_stack)
1676 # USE_LIBICONV_GNU: Using GNU libiconv
1677 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1679 # We should never use the MinGW C library's iconv. On Windows we use the
1680 # GNU implementation that ships with MinGW.
1682 # On Windows, just always use the built-in implementation
1683 if host_system == 'windows'
1685 glib_conf.set('USE_LIBICONV_NATIVE', true)
1688 iconv_opt = get_option('iconv')
1689 if iconv_opt == 'libc'
1690 if cc.has_function('iconv_open')
1694 elif iconv_opt == 'gnu'
1695 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1696 glib_conf.set('USE_LIBICONV_GNU', true)
1697 libiconv = [cc.find_library('iconv')]
1700 elif iconv_opt == 'native'
1701 if cc.has_header_symbol('iconv.h', 'iconv_open')
1702 glib_conf.set('USE_LIBICONV_NATIVE', true)
1703 libiconv = [cc.find_library('iconv')]
1709 error('iconv implementation "@0@" not found'.format(iconv_opt))
1714 if get_option('internal_pcre')
1716 use_system_pcre = false
1718 pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
1720 if cc.get_id() == 'msvc'
1721 # MSVC: Search for the PCRE library by the configuration, which corresponds
1722 # to the output of CMake builds of PCRE. Note that debugoptimized
1723 # is really a Release build with .PDB files.
1724 if buildtype == 'debug'
1725 pcre = cc.find_library('pcred', required : false)
1727 pcre = cc.find_library('pcre', required : false)
1731 use_system_pcre = pcre.found()
1733 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1735 use_pcre_static_flag = false
1737 if host_system == 'windows'
1738 if not use_system_pcre
1739 use_pcre_static_flag = true
1741 pcre_static = cc.links('''#define PCRE_STATIC
1749 name : 'Windows system PCRE is a static build')
1751 use_pcre_static_flag = true
1756 libm = cc.find_library('m', required : false)
1757 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1759 # Don't use the bundled ZLib sources until we are sure that we can't find it on
1761 libz_dep = dependency('zlib', required : false)
1762 if not libz_dep.found()
1763 if cc.get_id() != 'msvc'
1764 libz_dep = cc.find_library('z', required : false)
1766 libz_dep = cc.find_library('zlib1', required : false)
1767 if not libz_dep.found()
1768 libz_dep = cc.find_library('zlib', required : false)
1771 if not libz_dep.found() or not cc.has_header('zlib.h')
1772 libz_dep = subproject('zlib').get_variable('zlib_dep')
1776 # First check in libc, fallback to libintl, and as last chance build
1777 # proxy-libintl subproject.
1778 # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
1779 # implementations. This could be extended if issues are found in some platforms.
1780 if cc.has_function('ngettext')
1782 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset')
1784 libintl = cc.find_library('intl', required : false)
1785 if not libintl.found()
1786 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1787 have_bind_textdomain_codeset = true # proxy-libintl supports it
1789 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset',
1790 dependencies : libintl)
1794 glib_conf.set('HAVE_BIND_TEXTDOMAIN_CODESET', have_bind_textdomain_codeset)
1796 # We require gettext to always be present
1797 glib_conf.set('HAVE_DCGETTEXT', 1)
1798 glib_conf.set('HAVE_GETTEXT', 1)
1800 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1802 # libmount is only used by gio, but we need to fetch the libs to generate the
1803 # pkg-config file below
1805 if host_system == 'linux' and get_option('libmount')
1806 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1807 glib_conf.set('HAVE_LIBMOUNT', 1)
1810 if host_system == 'windows'
1811 winsock2 = cc.find_library('ws2_32')
1815 if host_system == 'linux'
1816 selinux_dep = dependency('libselinux', required: get_option('selinux'))
1818 glib_conf.set('HAVE_SELINUX', selinux_dep.found())
1822 if host_system != 'windows' and get_option('xattr')
1823 # either glibc or libattr can provide xattr support
1824 # for both of them, we check for getxattr being in
1825 # the library and a valid xattr header.
1828 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1829 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1830 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1831 #failure. try libattr
1832 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1833 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1834 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1835 xattr_dep = [cc.find_library('xattr')]
1837 error('No getxattr implementation found in C library or libxattr')
1840 glib_conf.set('HAVE_XATTR', 1)
1841 if cc.compiles(glib_conf_prefix + '''
1843 #ifdef HAVE_SYS_TYPES_H
1844 #include <sys/types.h>
1846 #ifdef HAVE_SYS_XATTR_H
1847 #include <sys/xattr.h>
1848 #elif HAVE_ATTR_XATTR_H
1849 #include <attr/xattr.h>
1853 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1856 name : 'XATTR_NOFOLLOW')
1857 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1861 # Test if we have strlcpy/strlcat with a compatible implementation:
1862 # https://bugzilla.gnome.org/show_bug.cgi?id=53933
1864 rres = cc.run('''#include <stdlib.h>
1868 (void) strlcpy (p, "hi", 10);
1869 if (strlcat (p, "bye", 0) != 3)
1873 name : 'OpenBSD strlcpy/strlcat')
1874 if rres.compiled() and rres.returncode() == 0
1875 glib_conf.set('HAVE_STRLCPY', 1)
1877 elif meson.get_cross_property('have_strlcpy', false)
1878 glib_conf.set('HAVE_STRLCPY', 1)
1881 python = import('python').find_installation('python3')
1882 # used for '#!/usr/bin/env <name>'
1883 python_name = 'python3'
1885 python_version = python.language_version()
1886 python_version_req = '>=3.4'
1887 if not python_version.version_compare(python_version_req)
1888 error('Requires Python @0@, @1@ found.'.format(python_version_req, python_version))
1891 # Determine which user environment-dependent files that we want to install
1892 have_bash = find_program('bash', required : false).found() # For completion scripts
1893 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1895 # FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
1896 if host_system == 'sunos'
1897 glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
1898 glib_conf.set('_XOPEN_SOURCE', 2)
1899 glib_conf.set('__EXTENSIONS__',1)
1902 # Sadly Meson does not expose this value:
1903 # https://github.com/mesonbuild/meson/pull/3460
1904 if host_system == 'windows'
1905 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
1906 # with no explanation. Do the same here for now but this could be revisited if
1908 export_dynamic_ldflags = []
1909 elif host_system == 'cygwin'
1910 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
1911 elif host_system == 'darwin'
1912 export_dynamic_ldflags = []
1914 export_dynamic_ldflags = ['-Wl,--export-dynamic']
1919 if host_system == 'windows' and cc.get_id() != 'msvc'
1920 # Ensure MSVC-compatible struct packing convention is used when
1921 # compiling for Win32 with gcc. It is used for the whole project and exposed
1923 win32_cflags = ['-mms-bitfields']
1924 add_project_arguments(win32_cflags, language : 'c')
1926 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
1927 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
1928 elif host_system == 'cygwin'
1929 win32_ldflags = ['-luser32', '-lkernel32']
1933 want_dtrace = get_option('dtrace')
1934 enable_dtrace = false
1936 # Since dtrace support is opt-in we just error out if it was requested but
1937 # is not available. We don't bother with autodetection yet.
1940 error('GLib dtrace support not yet compatible with macOS dtrace')
1942 dtrace = find_program('dtrace', required : true) # error out if not found
1943 if not cc.has_header('sys/sdt.h')
1944 error('dtrace support needs sys/sdt.h header')
1946 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1947 dtrace_obj_gen = generator(dtrace,
1948 output : '@BASENAME@.o',
1949 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1950 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1951 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1952 dtrace_hdr_gen = generator(dtrace,
1953 output : '@BASENAME@.h',
1954 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1955 glib_conf.set('HAVE_DTRACE', 1)
1956 enable_dtrace = true
1960 want_systemtap = get_option('systemtap')
1961 enable_systemtap = false
1963 if want_systemtap and enable_dtrace
1964 tapset_install_dir = get_option('tapset_install_dir')
1965 if tapset_install_dir == ''
1966 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1968 stp_cdata = configuration_data()
1969 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1970 stp_cdata.set('LT_CURRENT', minor_version * 100)
1971 stp_cdata.set('LT_REVISION', micro_version)
1972 enable_systemtap = true
1976 test_timeout_slow = 120
1978 pkg = import('pkgconfig')
1979 windows = import('windows')
1988 # xgettext is optional (on Windows for instance)
1989 if find_program('xgettext', required : get_option('nls')).found()
1993 # Install glib-gettextize executable, if a UNIX-style shell is found
1995 # These should not contain " quotes around the values
1996 gettextize_conf = configuration_data()
1997 gettextize_conf.set('PACKAGE', 'glib')
1998 gettextize_conf.set('VERSION', meson.project_version())
1999 gettextize_conf.set('prefix', glib_prefix)
2000 gettextize_conf.set('datarootdir', glib_datadir)
2001 gettextize_conf.set('datadir', glib_datadir)
2002 configure_file(input : 'glib-gettextize.in',
2004 install_dir : glib_bindir,
2005 output : 'glib-gettextize',
2006 configuration : gettextize_conf)
2009 # Install m4 macros that other projects use
2010 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
2011 install_dir : join_paths(get_option('datadir'), 'aclocal'))
2013 if host_system != 'windows'
2014 # Install Valgrind suppression file (except on Windows,
2015 # as Valgrind is currently not supported on Windows)
2016 install_data('glib.supp',
2017 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
2020 configure_file(output : 'config.h', configuration : glib_conf)
2022 if host_system == 'windows'
2023 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
2026 if get_option('man')
2027 xsltproc = find_program('xsltproc', required : true)
2028 xsltproc_command = [
2031 '--stringparam', 'man.output.quietly', '1',
2032 '--stringparam', 'funcsynopsis.style', 'ansi',
2033 '--stringparam', 'man.th.extra1.suppress', '1',
2034 '--stringparam', 'man.authors.section.enabled', '0',
2035 '--stringparam', 'man.copyright.section.enabled', '0',
2037 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
2040 man1_dir = get_option('mandir') + '/man1'
2043 gnome = import('gnome')
2044 subdir('docs/reference/glib')
2045 subdir('docs/reference/gobject')
2046 subdir('docs/reference/gio')