1 project('glib', 'c', 'cpp',
3 # NOTE: We keep this pinned at 0.49 because that's what Debian 10 ships
4 meson_version : '>= 0.49.2',
6 'buildtype=debugoptimized',
12 cc = meson.get_compiler('c')
13 cxx = meson.get_compiler('cpp')
15 cc_can_run = not meson.is_cross_build() or meson.has_exe_wrapper()
17 if cc.get_id() == 'msvc'
18 # Ignore several spurious warnings for things glib does very commonly
19 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
20 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
21 # NOTE: Only add warnings here if you are sure they're spurious
22 add_project_arguments('/wd4035', '/wd4715', '/wd4116',
23 '/wd4046', '/wd4068', '/wo4090', '/FImsvc_recommended_pragmas.h',language : 'c')
24 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
25 # are built with MinGW
26 noseh_link_args = ['/SAFESEH:NO']
27 # Set the input and exec encoding to utf-8, like is the default with GCC
28 add_project_arguments(cc.get_supported_arguments(['/utf-8']), language: 'c')
31 # -mms-bitfields vs -fnative-struct ?
34 host_system = host_machine.system()
36 if host_system == 'darwin'
37 ios_test_code = '''#include <TargetConditionals.h>
38 #if ! TARGET_OS_IPHONE
39 #error "Not iOS/tvOS/watchOS/iPhoneSimulator"
41 if cc.compiles(ios_test_code, name : 'building for iOS')
46 glib_version = meson.project_version()
47 glib_api_version = '2.0'
48 version_arr = glib_version.split('.')
49 major_version = version_arr[0].to_int()
50 minor_version = version_arr[1].to_int()
51 micro_version = version_arr[2].to_int()
53 interface_age = minor_version.is_odd() ? 0 : micro_version
54 binary_age = 100 * minor_version + micro_version
57 # Maintain compatibility with previous libtool versioning
58 # current = minor * 100 + micro
59 current = binary_age - interface_age
60 library_version = '@0@.@1@.@2@'.format(soversion, current, interface_age)
61 darwin_versions = [current + 1, '@0@.@1@'.format(current + 1, interface_age)]
63 configinc = include_directories('.')
64 glibinc = include_directories('glib')
65 gobjectinc = include_directories('gobject')
66 gmoduleinc = include_directories('gmodule')
67 gioinc = include_directories('gio')
69 glib_prefix = get_option('prefix')
70 glib_bindir = join_paths(glib_prefix, get_option('bindir'))
71 glib_libdir = join_paths(glib_prefix, get_option('libdir'))
72 glib_libexecdir = join_paths(glib_prefix, get_option('libexecdir'))
73 glib_datadir = join_paths(glib_prefix, get_option('datadir'))
74 glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
75 glib_includedir = join_paths(glib_prefix, get_option('includedir'))
76 if get_option('gio_module_dir') != ''
77 glib_giomodulesdir = join_paths(glib_prefix, get_option('gio_module_dir'))
79 glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
82 glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
84 if get_option('charsetalias_dir') != ''
85 glib_charsetaliasdir = join_paths(glib_prefix, get_option('charsetalias_dir'))
87 glib_charsetaliasdir = glib_libdir
90 installed_tests_metadir = join_paths(glib_datadir, 'installed-tests', meson.project_name())
91 installed_tests_execdir = join_paths(glib_libexecdir, 'installed-tests', meson.project_name())
92 installed_tests_enabled = get_option('installed_tests')
93 installed_tests_template = files('template.test.in')
94 installed_tests_template_tap = files('template-tap.test.in')
96 # Don’t build the tests unless we can run them (either natively, in an exe wrapper, or by installing them for later use)
97 build_tests = not meson.is_cross_build() or (meson.is_cross_build() and meson.has_exe_wrapper()) or installed_tests_enabled
99 add_project_arguments('-D_GNU_SOURCE', language: 'c')
101 # Disable strict aliasing;
102 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
103 if cc.has_argument('-fno-strict-aliasing')
104 add_project_arguments('-fno-strict-aliasing', language: 'c')
107 ########################
108 # Configuration begins #
109 ########################
110 glib_conf = configuration_data()
111 glibconfig_conf = configuration_data()
113 # accumulated list of defines as we check for them, so we can easily
114 # use them later in test programs (autoconf does this automatically)
115 glib_conf_prefix = ''
117 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
118 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
119 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
120 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
121 glib_conf.set('GLIB_BINARY_AGE', binary_age)
122 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
123 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
124 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
125 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
126 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
127 glib_conf.set_quoted('PACKAGE_URL', '')
128 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
129 glib_conf.set('ENABLE_NLS', 1)
131 # used by the .rc.in files
132 glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
134 glib_conf.set('_GNU_SOURCE', 1)
136 if host_system == 'windows'
137 # Poll doesn't work on devices on Windows
138 glib_conf.set('BROKEN_POLL', true)
141 if host_system == 'windows' and cc.get_id() != 'msvc' and cc.get_id() != 'clang-cl'
142 # FIXME: Ideally we shouldn't depend on this on Windows and should use
143 # 64 bit capable Windows API that also works with MSVC.
144 # The autotools build did set this for mingw and while meson sets it
145 # for gcc/clang by default, it doesn't do so on Windows.
146 glib_conf.set('_FILE_OFFSET_BITS', 64)
149 # Check for GNU visibility attributes
150 g_have_gnuc_visibility = cc.compiles('''
152 __attribute__ ((visibility ("hidden")))
157 __attribute__ ((visibility ("internal")))
162 __attribute__ ((visibility ("default")))
174 # Not supported by MSVC, but MSVC also won't support visibility,
175 # so it's OK to pass -Werror explicitly. Replace with
176 # override_options : 'werror=true' once that is supported
178 name : 'GNU C visibility attributes test')
180 if g_have_gnuc_visibility
181 glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
184 # Detect and set symbol visibility
185 glib_hidden_visibility_args = []
186 if get_option('default_library') != 'static'
187 if host_system == 'windows' or host_system == 'cygwin'
188 glib_conf.set('DLL_EXPORT', true)
189 if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
190 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
191 elif cc.has_argument('-fvisibility=hidden')
192 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
193 glib_hidden_visibility_args = ['-fvisibility=hidden']
195 elif cc.has_argument('-fvisibility=hidden')
196 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
197 glib_hidden_visibility_args = ['-fvisibility=hidden']
201 if get_option('default_library') == 'static'
202 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
203 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
206 # Cygwin glib port maintainers made it clear
207 # (via the patches they apply) that they want no
208 # part of glib W32 code, therefore we do not define
209 # G_PLATFORM_WIN32 for host_system == 'cygwin'.
210 # This makes G_PLATFORM_WIN32 a synonym for
212 if host_system == 'windows'
213 glib_os = '''#define G_OS_WIN32
214 #define G_PLATFORM_WIN32'''
215 elif host_system == 'cygwin'
216 glib_os = '''#define G_OS_UNIX
217 #define G_WITH_CYGWIN'''
219 glib_os = '#define G_OS_UNIX'
221 glibconfig_conf.set('glib_os', glib_os)
223 # We need to know the CRT being used to determine what .lib files we need on
224 # Visual Studio for dependencies that don't normally come with pkg-config files
226 vs_crt_opt = get_option('b_vscrt')
227 if vs_crt_opt in ['mdd', 'mtd']
229 elif vs_crt_opt == 'from_buildtype'
230 if get_option('buildtype') == 'debug'
235 # Use debug/optimization flags to determine whether to enable debug or disable
237 glib_debug_cflags = []
238 if get_option('debug')
239 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
240 message('Enabling various debug infrastructure')
241 elif get_option('optimization') in ['2', '3', 's']
242 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
243 message('Disabling cast checks')
246 if not get_option('glib_assert')
247 glib_debug_cflags += ['-DG_DISABLE_ASSERT']
248 message('Disabling GLib asserts')
251 if not get_option('glib_checks')
252 glib_debug_cflags += ['-DG_DISABLE_CHECKS']
253 message('Disabling GLib checks')
256 add_project_arguments(glib_debug_cflags, language: 'c')
258 # check for header files
263 'dirent.h', # MSC does not come with this by default
297 'sys/time.h', # MSC does not come with this by default
314 define = 'HAVE_' + h.underscorify().to_upper()
315 glib_conf.set(define, 1)
316 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
320 # FIXME: Use cc.check_header from Meson 0.47.
321 # FreeBSD includes a malloc.h which always throw compilation error.
322 if cc.compiles('#include <malloc.h>', name : 'malloc.h')
323 glib_conf.set('HAVE_MALLOC_H', 1)
324 glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
327 if cc.has_header('linux/netlink.h')
328 glib_conf.set('HAVE_NETLINK', 1)
331 # Is statx() supported? Android systems don’t reliably support it as of August 2020.
336 #include <sys/stat.h>
340 struct statx stat_buf;
341 return statx (AT_FDCWD, "/", AT_SYMLINK_NOFOLLOW, STATX_BASIC_STATS | STATX_BTIME, &stat_buf);
344 if host_system != 'android' and cc.compiles(statx_code, name : 'statx() test')
345 glib_conf.set('HAVE_STATX', 1)
348 if glib_conf.has('HAVE_LOCALE_H')
349 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
350 glib_conf.set('HAVE_LC_MESSAGES', 1)
354 struct_stat_blkprefix = '''
355 #include <sys/types.h>
356 #include <sys/stat.h>
360 #ifdef HAVE_SYS_STATFS_H
361 #include <sys/statfs.h>
363 #ifdef HAVE_SYS_PARAM_H
364 #include <sys/param.h>
366 #ifdef HAVE_SYS_MOUNT_H
367 #include <sys/mount.h>
372 [ 'stat', 'st_mtimensec' ],
373 [ 'stat', 'st_mtim.tv_nsec' ],
374 [ 'stat', 'st_atimensec' ],
375 [ 'stat', 'st_atim.tv_nsec' ],
376 [ 'stat', 'st_ctimensec' ],
377 [ 'stat', 'st_ctim.tv_nsec' ],
378 [ 'stat', 'st_birthtime' ],
379 [ 'stat', 'st_birthtimensec' ],
380 [ 'stat', 'st_birthtim' ],
381 [ 'stat', 'st_birthtim.tv_nsec' ],
382 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
383 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
384 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
385 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
386 [ 'dirent', 'd_type', '''#include <sys/types.h>
387 #include <dirent.h>''' ],
388 [ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
389 [ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
390 [ 'tm', 'tm_gmtoff', '#include <time.h>' ],
391 [ 'tm', '__tm_gmtoff', '#include <time.h>' ],
394 foreach m : struct_members
395 header_check_prefix = glib_conf_prefix
397 header_check_prefix = header_check_prefix + m[2]
399 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
401 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
402 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
403 glib_conf.set(define, 1)
404 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
410 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
412 '-Wduplicated-branches',
413 '-Wimplicit-fallthrough',
414 '-Wmisleading-indentation',
415 '-Wstrict-prototypes',
417 # Due to maintained deprecated code, we do not want to see unused parameters
418 '-Wno-unused-parameter',
419 # Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
420 # building with -Wbad-function-cast.
421 '-Wno-bad-function-cast',
422 '-Wno-cast-function-type',
423 # Due to function casts through (void*) we cannot support -Wpedantic:
424 # https://wiki.gnome.org/Projects/GLib/CompilerRequirements#Function_pointer_conversions.
426 # A zero-length format string shouldn't be considered an issue.
427 '-Wno-format-zero-length',
428 '-Werror=declaration-after-statement',
430 '-Werror=implicit-function-declaration',
432 '-Werror=missing-include-dirs',
433 '-Werror=missing-prototypes',
434 '-Werror=pointer-arith',
436 warning_c_link_args = [
439 if get_option('bsymbolic_functions')
440 warning_c_link_args += ['-Wl,-Bsymbolic-functions']
444 warning_c_link_args = []
447 add_project_arguments(cc.get_supported_arguments(warning_c_args), language: 'c')
449 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
450 # means we cannot use that flag in add_project_link_arguments(), and must add
451 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
452 # because that is what the autotools build did.
453 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
455 glib_link_flags = cc.get_supported_link_arguments(warning_c_link_args)
457 # Windows SDK requirements and checks
458 if host_system == 'windows'
459 # Check whether we're building for UWP apps
462 #if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
463 #error "Not building for UWP"
465 if cc.compiles(code, name : 'building for UWP')
466 glib_conf.set('G_WINAPI_ONLY_APP', true)
467 # We require Windows 10+ on WinRT
468 glib_conf.set('_WIN32_WINNT', '0x0A00')
470 # We require Windows 7+ on Win32
471 glib_conf.set('_WIN32_WINNT', '0x0601')
534 # _NSGetEnviron is available on iOS too, but its usage gets apps rejected from
535 # the app store since it's considered 'private API'
536 if host_system == 'darwin'
537 functions += ['_NSGetEnviron']
540 if glib_conf.has('HAVE_SYS_STATVFS_H')
541 functions += ['statvfs']
543 have_func_statvfs = false
545 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
546 functions += ['statfs']
548 have_func_statfs = false
551 if host_system == 'windows'
552 iphlpapi_dep = cc.find_library('iphlpapi')
553 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
554 foreach ifunc : iphlpapi_funcs
555 iphl_prefix = '''#define _WIN32_WINNT @0@
556 #include <winsock2.h>
557 #include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
558 if cc.has_function(ifunc,
559 prefix : iphl_prefix,
560 dependencies : iphlpapi_dep)
561 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
562 glib_conf.set(idefine, 1)
563 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
564 set_variable('have_func_' + ifunc, true)
566 set_variable('have_func_' + ifunc, false)
570 functions += ['if_indextoname', 'if_nametoindex']
573 # AIX splice is something else
574 if host_system != 'aix'
575 functions += ['splice']
578 foreach f : functions
579 if cc.has_function(f)
580 define = 'HAVE_' + f.underscorify().to_upper()
581 glib_conf.set(define, 1)
582 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
583 set_variable('have_func_' + f, true)
585 set_variable('have_func_' + f, false)
589 # Check that stpcpy() is usable; must use header.
590 # cc.has_function() in some cases (clang, gcc 10+) assumes that if the
591 # compiler provides a builtin of the same name that the function exists, while
592 # it's in fact not provided by any header or library. This is true for
593 # stpcpy() on Windows using clang and gcc as well as posix_memalign() using
594 # gcc on Windows. Skip these checks on Windows for now to avoid false
595 # positives. See https://github.com/mesonbuild/meson/pull/7116,
596 # https://github.com/mesonbuild/meson/issues/3672 and
597 # https://github.com/mesonbuild/meson/issues/5628.
598 # FIXME: Once meson no longer returns success for stpcpy() and
599 # posix_memalign() on Windows using GCC and clang we can remove this.
600 if host_system != 'windows' and cc.has_function('stpcpy', prefix : '#include <string.h>')
601 glib_conf.set('HAVE_STPCPY', 1)
604 # When building for Android-20 and earlier, require Meson 0.54.2 or newer.
605 # This is needed, because Meson build versions prior to 0.54.2 return false
606 # positive for stpcpy has_function check when building for legacy Android.
607 if host_system.startswith('android-')
608 android_is_older = cc.compiles('''#if __ANDROID_API__ >= 21
609 #error Android is 21 or newer
611 if android_is_older and meson.version().version_compare('< 0.54.2')
612 error('Compiling for <Android-21 requires Meson 0.54.2 or newer')
617 # Check that posix_memalign() is usable; must use header
618 if host_system != 'windows' and cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
619 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
622 # Check that posix_spawn() is usable; must use header
623 if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
624 glib_conf.set('HAVE_POSIX_SPAWN', 1)
627 # Check whether strerror_r returns char *
628 if have_func_strerror_r
629 if cc.compiles('''#define _GNU_SOURCE
632 char error_string[256];
633 char *ptr = strerror_r (-2, error_string, 256);
634 char c = *strerror_r (-2, error_string, 256);
635 return c != 0 && ptr != (void*) 0L;
638 name : 'strerror_r() returns char *')
639 glib_conf.set('STRERROR_R_CHAR_P', 1,
640 description: 'Defined if strerror_r returns char *')
644 # Special-case these functions that have alternative names on Windows/MSVC
645 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
646 glib_conf.set('HAVE_SNPRINTF', 1)
647 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
648 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
649 hack_define = '1\n#define snprintf _snprintf'
650 glib_conf.set('HAVE_SNPRINTF', hack_define)
651 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
654 if cc.has_function('strcasecmp')
655 glib_conf.set('HAVE_STRCASECMP', 1)
656 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
657 elif cc.has_function('_stricmp')
658 hack_define = '1\n#define strcasecmp _stricmp'
659 glib_conf.set('HAVE_STRCASECMP', hack_define)
660 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
663 if cc.has_function('strncasecmp')
664 glib_conf.set('HAVE_STRNCASECMP', 1)
665 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
666 elif cc.has_function('_strnicmp')
667 hack_define = '1\n#define strncasecmp _strnicmp'
668 glib_conf.set('HAVE_STRNCASECMP', hack_define)
669 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
672 if cc.has_header_symbol('sys/sysmacros.h', 'major')
673 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
674 elif cc.has_header_symbol('sys/mkdev.h', 'major')
675 glib_conf.set('MAJOR_IN_MKDEV', 1)
676 elif cc.has_header_symbol('sys/types.h', 'major')
677 glib_conf.set('MAJOR_IN_TYPES', 1)
680 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
681 glib_conf.set('HAVE_RTLD_LAZY', 1)
684 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
685 glib_conf.set('HAVE_RTLD_NOW', 1)
688 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
689 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
692 have_rtld_next = false
693 if cc.has_header_symbol('dlfcn.h', 'RTLD_NEXT', args: '-D_GNU_SOURCE')
694 have_rtld_next = true
695 glib_conf.set('HAVE_RTLD_NEXT', 1)
698 # Check whether to use statfs or statvfs
699 # Some systems have both statfs and statvfs, pick the most "native" for these
700 if have_func_statfs and have_func_statvfs
701 # on solaris and irix, statfs doesn't even have the f_bavail field
702 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
703 have_func_statfs = false
705 # at least on linux, statfs is the actual syscall
706 have_func_statvfs = false
710 glib_conf.set('USE_STATFS', 1)
711 stat_func_to_use = 'statfs'
712 elif have_func_statvfs
713 glib_conf.set('USE_STATVFS', 1)
714 stat_func_to_use = 'statvfs'
716 stat_func_to_use = 'neither'
718 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
720 if host_system == 'linux'
721 if cc.has_function('mkostemp',
722 prefix: '''#define _GNU_SOURCE
723 #include <stdlib.h>''')
724 glib_conf.set('HAVE_MKOSTEMP', 1)
729 glib_have_os_x_9_or_later = false
730 glib_have_carbon = false
731 glib_have_cocoa = false
732 if host_system == 'darwin'
733 add_languages('objc')
734 objcc = meson.get_compiler('objc')
736 osx_ldflags += ['-Wl,-framework,CoreFoundation']
738 # Mac OS X Carbon support
739 glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
740 #include <CoreServices/CoreServices.h>''',
741 name : 'Mac OS X Carbon support')
744 glib_conf.set('HAVE_CARBON', true)
745 osx_ldflags += '-Wl,-framework,Carbon'
746 glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
747 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
748 #error Compiling for minimum OS X version before 10.9
750 name : 'OS X 9 or later')
753 # Mac OS X Cocoa support
754 glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
755 #ifdef GNUSTEP_BASE_VERSION
756 #error "Detected GNUstep, not Cocoa"
758 name : 'Mac OS X Cocoa support')
761 glib_conf.set('HAVE_COCOA', true)
762 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
765 # FIXME: libgio mix C and objC source files and there is no way to reliably
766 # know which language flags it's going to use to link. Add to both languages
767 # for now. See https://github.com/mesonbuild/meson/issues/3585.
768 add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
772 if cc.links('''#include <linux/futex.h>
773 #include <sys/syscall.h>
775 int main (int argc, char ** argv) {
776 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
778 }''', name : 'futex(2) system call')
779 glib_conf.set('HAVE_FUTEX', 1)
782 # Check for eventfd(2)
783 if cc.links('''#include <sys/eventfd.h>
785 int main (int argc, char ** argv) {
786 eventfd (0, EFD_CLOEXEC);
788 }''', name : 'eventfd(2) system call')
789 glib_conf.set('HAVE_EVENTFD', 1)
792 # Check for __uint128_t (gcc) by checking for 128-bit division
793 uint128_t_src = '''int main() {
794 static __uint128_t v1 = 100;
795 static __uint128_t v2 = 10;
796 static __uint128_t u;
799 if cc.compiles(uint128_t_src, name : '__uint128_t available')
800 glib_conf.set('HAVE_UINT128_T', 1)
803 clock_gettime_test_code = '''
806 int main (int argc, char ** argv) {
807 return clock_gettime(CLOCK_REALTIME, &t);
810 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
811 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
812 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
813 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
814 librt = cc.find_library('rt')
817 dlopen_dlsym_test_code = '''
819 int glib_underscore_test (void) { return 42; }
820 int main (int argc, char ** argv) {
821 void *f1 = (void*)0, *f2 = (void*)0, *handle;
822 handle = dlopen ((void*)0, 0);
824 f1 = dlsym (handle, "glib_underscore_test");
825 f2 = dlsym (handle, "_glib_underscore_test");
830 if cc.links(dlopen_dlsym_test_code, name : 'dlopen() and dlsym() in system libraries')
831 have_dlopen_dlsym = true
832 elif cc.links(dlopen_dlsym_test_code, args : '-ldl', name : 'dlopen() and dlsym() in libdl')
833 have_dlopen_dlsym = true
834 libdl_dep = cc.find_library('dl')
836 have_dlopen_dlsym = false
839 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
841 if cc.compiles(glib_conf_prefix + '''
843 #ifdef HAVE_SYS_PARAM_H
844 #include <sys/param.h>
846 #ifdef HAVE_SYS_VFS_H
849 #ifdef HAVE_SYS_MOUNT_H
850 #include <sys/mount.h>
852 #ifdef HAVE_SYS_STATFS_H
853 #include <sys/statfs.h>
855 void some_func (void) {
858 }''', name : 'number of arguments to statfs() (n=2)')
859 glib_conf.set('STATFS_ARGS', 2)
860 elif cc.compiles(glib_conf_prefix + '''
862 #ifdef HAVE_SYS_PARAM_H
863 #include <sys/param.h>
865 #ifdef HAVE_SYS_VFS_H
868 #ifdef HAVE_SYS_MOUNT_H
869 #include <sys/mount.h>
871 #ifdef HAVE_SYS_STATFS_H
872 #include <sys/statfs.h>
874 void some_func (void) {
876 statfs("/", &st, sizeof (st), 0);
877 }''', name : 'number of arguments to statfs() (n=4)')
878 glib_conf.set('STATFS_ARGS', 4)
880 error('Unable to determine number of arguments to statfs()')
884 # open takes O_DIRECTORY as an option
886 if cc.compiles('''#include <fcntl.h>
887 #include <sys/types.h>
888 #include <sys/stat.h>
889 void some_func (void) {
890 open(0, O_DIRECTORY, 0);
891 }''', name : 'open() option O_DIRECTORY')
892 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
895 # fcntl takes F_FULLFSYNC as an option
896 # See https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fsync.2.html
897 if cc.compiles('''#include <fcntl.h>
898 #include <sys/types.h>
899 #include <sys/stat.h>
900 void some_func (void) {
901 fcntl(0, F_FULLFSYNC, 0);
902 }''', name : 'fcntl() option F_FULLFSYNC')
903 glib_conf.set('HAVE_FCNTL_F_FULLFSYNC', 1)
906 # Check whether there is a vsnprintf() function with C99 semantics installed.
907 # (similar tests to AC_FUNC_VSNPRINTF_C99)
908 # Check whether there is a snprintf() function with C99 semantics installed.
909 # (similar tests to AC_FUNC_SNPRINTF_C99)
910 # Check whether there is a printf() function with Unix98 semantics installed.
911 # (similar tests to AC_FUNC_PRINTF_UNIX98)
912 have_good_vsnprintf = false
913 have_good_snprintf = false
914 have_good_printf = false
916 if host_system == 'windows' and (cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl')
917 # Unfortunately the Visual Studio 2015+ implementations of C99-style
918 # snprintf and vsnprintf don't seem to be quite good enough.
919 # (Sorry, I don't know exactly what is the problem,
920 # but it is related to floating point formatting and decimal point vs. comma.)
921 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
922 # rigorous enough to notice, though.
923 glib_conf.set('HAVE_C99_SNPRINTF', false)
924 glib_conf.set('HAVE_C99_VSNPRINTF', false)
925 glib_conf.set('HAVE_UNIX98_PRINTF', false)
926 elif not cc_can_run and host_system in ['ios', 'darwin']
927 # All these are true when compiling natively on macOS, so we should use good
928 # defaults when building for iOS and tvOS.
929 glib_conf.set('HAVE_C99_SNPRINTF', true)
930 glib_conf.set('HAVE_C99_VSNPRINTF', true)
931 glib_conf.set('HAVE_UNIX98_PRINTF', true)
932 have_good_vsnprintf = true
933 have_good_snprintf = true
934 have_good_printf = true
936 vsnprintf_c99_test_code = '''
948 r = vsnprintf(buffer, 5, s, args);
954 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
955 implementation. The above will return 7 but if you replace
956 the size of the buffer with 0, it borks! */
958 r = vsnprintf(buffer, 0, s, args);
975 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
976 if rres.compiled() and rres.returncode() == 0
977 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
978 have_good_vsnprintf = true
981 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
982 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
985 snprintf_c99_test_code = '''
996 r = snprintf(buffer, 5, "1234567");
1001 r = snprintf(buffer, 0, "1234567");
1006 r = snprintf(NULL, 0, "1234567");
1022 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
1023 if rres.compiled() and rres.returncode() == 0
1024 glib_conf.set('HAVE_C99_SNPRINTF', 1)
1025 have_good_snprintf = true
1028 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
1029 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
1032 printf_unix98_test_code = '''
1040 sprintf (buffer, "%2\$d %3\$d %1\$d", 1, 2, 3);
1041 if (strcmp ("2 3 1", buffer) == 0)
1047 rres = cc.run(printf_unix98_test_code, name : 'Unix98 printf positional parameters')
1048 if rres.compiled() and rres.returncode() == 0
1049 glib_conf.set('HAVE_UNIX98_PRINTF', 1)
1050 have_good_printf = true
1053 have_good_printf = meson.get_cross_property('have_unix98_printf', false)
1054 glib_conf.set('HAVE_UNIX98_PRINTF', have_good_printf)
1058 if host_system == 'windows'
1059 glib_conf.set_quoted('EXEEXT', '.exe')
1061 glib_conf.set('EXEEXT', '')
1064 # Our printf is 'good' only if vsnpintf()/snprintf()/printf() supports C99 well enough
1065 use_system_printf = have_good_vsnprintf and have_good_snprintf and have_good_printf
1066 glib_conf.set('USE_SYSTEM_PRINTF', use_system_printf)
1067 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', use_system_printf)
1069 if not use_system_printf
1070 # gnulib has vasprintf so override the previous check
1071 glib_conf.set('HAVE_VASPRINTF', 1)
1074 # Check for nl_langinfo and CODESET
1075 if cc.links('''#include <langinfo.h>
1076 int main (int argc, char ** argv) {
1077 char *codeset = nl_langinfo (CODESET);
1079 }''', name : 'nl_langinfo and CODESET')
1080 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
1081 glib_conf.set('HAVE_CODESET', 1)
1084 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
1085 if cc.links('''#include <langinfo.h>
1086 int main (int argc, char ** argv) {
1088 str = nl_langinfo (PM_STR);
1089 str = nl_langinfo (D_T_FMT);
1090 str = nl_langinfo (D_FMT);
1091 str = nl_langinfo (T_FMT);
1092 str = nl_langinfo (T_FMT_AMPM);
1093 str = nl_langinfo (MON_1);
1094 str = nl_langinfo (ABMON_12);
1095 str = nl_langinfo (DAY_1);
1096 str = nl_langinfo (ABDAY_7);
1098 }''', name : 'nl_langinfo (PM_STR)')
1099 glib_conf.set('HAVE_LANGINFO_TIME', 1)
1101 if cc.links('''#include <langinfo.h>
1102 int main (int argc, char ** argv) {
1104 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
1105 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
1106 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
1107 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
1108 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
1109 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
1110 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
1111 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
1112 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
1113 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
1115 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
1116 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
1119 # Check for nl_langinfo and alternative month names
1120 if cc.links('''#ifndef _GNU_SOURCE
1121 # define _GNU_SOURCE
1123 #include <langinfo.h>
1124 int main (int argc, char ** argv) {
1126 str = nl_langinfo (ALTMON_1);
1127 str = nl_langinfo (ALTMON_2);
1128 str = nl_langinfo (ALTMON_3);
1129 str = nl_langinfo (ALTMON_4);
1130 str = nl_langinfo (ALTMON_5);
1131 str = nl_langinfo (ALTMON_6);
1132 str = nl_langinfo (ALTMON_7);
1133 str = nl_langinfo (ALTMON_8);
1134 str = nl_langinfo (ALTMON_9);
1135 str = nl_langinfo (ALTMON_10);
1136 str = nl_langinfo (ALTMON_11);
1137 str = nl_langinfo (ALTMON_12);
1139 }''', name : 'nl_langinfo (ALTMON_n)')
1140 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
1143 # Check for nl_langinfo and abbreviated alternative month names
1144 if cc.links('''#ifndef _GNU_SOURCE
1145 # define _GNU_SOURCE
1147 #include <langinfo.h>
1148 int main (int argc, char ** argv) {
1150 str = nl_langinfo (_NL_ABALTMON_1);
1151 str = nl_langinfo (_NL_ABALTMON_2);
1152 str = nl_langinfo (_NL_ABALTMON_3);
1153 str = nl_langinfo (_NL_ABALTMON_4);
1154 str = nl_langinfo (_NL_ABALTMON_5);
1155 str = nl_langinfo (_NL_ABALTMON_6);
1156 str = nl_langinfo (_NL_ABALTMON_7);
1157 str = nl_langinfo (_NL_ABALTMON_8);
1158 str = nl_langinfo (_NL_ABALTMON_9);
1159 str = nl_langinfo (_NL_ABALTMON_10);
1160 str = nl_langinfo (_NL_ABALTMON_11);
1161 str = nl_langinfo (_NL_ABALTMON_12);
1163 }''', name : 'nl_langinfo (_NL_ABALTMON_n)')
1164 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
1167 # Check if C compiler supports the 'signed' keyword
1168 if not cc.compiles('''signed char x;''', name : 'signed')
1169 glib_conf.set('signed', '/* NOOP */')
1172 # Check if the ptrdiff_t type exists
1173 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
1174 glib_conf.set('HAVE_PTRDIFF_T', 1)
1177 # Check for sig_atomic_t type
1178 if cc.links('''#include <signal.h>
1179 #include <sys/types.h>
1180 sig_atomic_t val = 42;
1181 int main (int argc, char ** argv) {
1182 return val == 42 ? 0 : 1;
1183 }''', name : 'sig_atomic_t')
1184 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
1187 # Check if 'long long' works
1188 # jm_AC_TYPE_LONG_LONG
1189 if cc.compiles('''long long ll = 1LL;
1191 int some_func (void) {
1192 long long llmax = (long long) -1;
1193 return ll << i | ll >> i | llmax / ll | llmax % ll;
1194 }''', name : 'long long')
1195 glib_conf.set('HAVE_LONG_LONG', 1)
1196 have_long_long = true
1198 have_long_long = false
1201 # Test whether the compiler supports the 'long double' type.
1202 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
1203 long double foo = 0.0;
1204 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
1205 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
1206 name : 'long double')
1207 glib_conf.set('HAVE_LONG_DOUBLE', 1)
1210 # Test whether <stddef.h> has the 'wchar_t' type.
1211 if cc.has_header_symbol('stddef.h', 'wchar_t')
1212 glib_conf.set('HAVE_WCHAR_T', 1)
1215 # Test whether <wchar.h> has the 'wint_t' type.
1216 if cc.has_header_symbol('wchar.h', 'wint_t')
1217 glib_conf.set('HAVE_WINT_T', 1)
1220 found_uintmax_t = false
1222 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
1223 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1224 # jm_AC_HEADER_INTTYPES_H
1225 if cc.compiles('''#include <sys/types.h>
1226 #include <inttypes.h>
1227 void some_func (void) {
1228 uintmax_t i = (uintmax_t) -1;
1229 }''', name : 'uintmax_t in inttypes.h')
1230 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1231 found_uintmax_t = true
1234 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1235 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1236 # jm_AC_HEADER_STDINT_H
1237 if cc.compiles('''#include <sys/types.h>
1239 void some_func (void) {
1240 uintmax_t i = (uintmax_t) -1;
1241 }''', name : 'uintmax_t in stdint.h')
1242 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1243 found_uintmax_t = true
1246 # Define intmax_t to 'long' or 'long long'
1247 # if it is not already defined in <stdint.h> or <inttypes.h>.
1248 # For simplicity, we assume that a header file defines 'intmax_t' if and
1249 # only if it defines 'uintmax_t'.
1251 glib_conf.set('HAVE_INTMAX_T', 1)
1253 glib_conf.set('intmax_t', 'long long')
1255 glib_conf.set('intmax_t', 'long')
1258 char_size = cc.sizeof('char')
1259 short_size = cc.sizeof('short')
1260 int_size = cc.sizeof('int')
1261 voidp_size = cc.sizeof('void*')
1262 long_size = cc.sizeof('long')
1264 long_long_size = cc.sizeof('long long')
1268 sizet_size = cc.sizeof('size_t')
1269 if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
1270 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1272 ssizet_size = cc.sizeof('ssize_t')
1275 # Some platforms (Apple) hard-code int64_t to long long instead of
1276 # using long on 64-bit architectures. This can cause type mismatch
1277 # warnings when trying to interface with code using the standard
1278 # library type. Test for the warnings and set gint64 to whichever
1280 if long_long_size == long_size
1281 if cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1282 #pragma options langlvl=stdc99
1284 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1291 }''', name : 'int64_t is long')
1292 int64_t_typedef = 'long'
1293 elif cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
1294 #pragma options langlvl=stdc99
1296 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1301 long long *i2 = &i1;
1303 }''', name : 'int64_t is long long')
1304 int64_t_typedef = 'long long'
1309 char_align = cc.alignment('char')
1310 short_align = cc.alignment('short')
1311 int_align = cc.alignment('int')
1312 voidp_align = cc.alignment('void*')
1313 long_align = cc.alignment('long')
1314 long_long_align = cc.alignment('long long')
1315 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1316 # be 64-bit in C99, and it is available on all supported compilers
1317 sizet_align = cc.alignment('size_t')
1319 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1321 glib_conf.set('SIZEOF_CHAR', char_size)
1322 glib_conf.set('SIZEOF_INT', int_size)
1323 glib_conf.set('SIZEOF_SHORT', short_size)
1324 glib_conf.set('SIZEOF_LONG', long_size)
1325 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1326 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1327 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1328 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1329 glib_conf.set('SIZEOF_WCHAR_T', cc.sizeof('wchar_t', prefix: '#include <stddef.h>'))
1342 error('Compiler provides no native 16-bit integer type')
1344 glibconfig_conf.set('gint16', gint16)
1345 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1346 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1347 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1354 guint32_align = short_align
1360 guint32_align = int_align
1366 guint32_align = long_align
1368 error('Compiler provides no native 32-bit integer type')
1370 glibconfig_conf.set('gint32', gint32)
1371 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1372 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1373 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1374 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1382 gint64_constant='(val)'
1383 guint64_constant='(val)'
1384 guint64_align = int_align
1385 elif long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long')
1391 gint64_constant='(val##L)'
1392 guint64_constant='(val##UL)'
1393 guint64_align = long_align
1394 elif long_long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long long')
1395 gint64 = 'long long'
1396 glib_extension='G_GNUC_EXTENSION '
1397 gint64_modifier=int64_m
1398 gint64_format=int64_m + 'i'
1399 guint64_format=int64_m + 'u'
1400 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1401 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1402 guint64_align = long_long_align
1404 error('Compiler provides no native 64-bit integer type')
1406 glibconfig_conf.set('glib_extension', glib_extension)
1407 glibconfig_conf.set('gint64', gint64)
1408 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1409 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1410 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1411 glibconfig_conf.set('gint64_constant', gint64_constant)
1412 glibconfig_conf.set('guint64_constant', guint64_constant)
1413 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1415 if host_system == 'windows'
1416 glibconfig_conf.set('g_pid_type', 'void*')
1417 glibconfig_conf.set_quoted('g_pid_format', 'p')
1418 if host_machine.cpu_family() == 'x86_64'
1419 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1421 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1423 glibconfig_conf.set('g_dir_separator', '\\\\')
1424 glibconfig_conf.set('g_searchpath_separator', ';')
1426 glibconfig_conf.set('g_pid_type', 'int')
1427 glibconfig_conf.set_quoted('g_pid_format', 'i')
1428 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1429 glibconfig_conf.set('g_dir_separator', '/')
1430 glibconfig_conf.set('g_searchpath_separator', ':')
1433 g_sizet_compatibility = {
1434 'short': sizet_size == short_size,
1435 'int': sizet_size == int_size,
1436 'long': sizet_size == long_size,
1437 'long long': sizet_size == long_long_size,
1440 # Do separate checks for gcc/clang (and ignore other compilers for now), since
1441 # we need to explicitly pass -Werror to the compilers.
1442 # FIXME: https://github.com/mesonbuild/meson/issues/5399
1443 # We can’t simplify these checks using a foreach loop because dictionary keys
1444 # have to be string literals.
1445 # FIXME: https://github.com/mesonbuild/meson/issues/5231
1446 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
1447 g_sizet_compatibility += {
1448 'short': g_sizet_compatibility['short'] and cc.compiles(
1449 '''#include <stddef.h>
1450 size_t f (size_t *i) { return *i + 1; }
1452 unsigned short i = 0;
1457 name : 'GCC size_t typedef is short'),
1458 'int': g_sizet_compatibility['int'] and cc.compiles(
1459 '''#include <stddef.h>
1460 size_t f (size_t *i) { return *i + 1; }
1467 name : 'GCC size_t typedef is int'),
1468 'long': g_sizet_compatibility['long'] and cc.compiles(
1469 '''#include <stddef.h>
1470 size_t f (size_t *i) { return *i + 1; }
1472 unsigned long i = 0;
1477 name : 'GCC size_t typedef is long'),
1478 'long long': g_sizet_compatibility['long long'] and cc.compiles(
1479 '''#include <stddef.h>
1480 size_t f (size_t *i) { return *i + 1; }
1482 unsigned long long i = 0;
1487 name : 'GCC size_t typedef is long long'),
1491 if g_sizet_compatibility['short']
1492 glibconfig_conf.set('glib_size_type_define', 'short')
1493 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1494 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1495 glibconfig_conf.set_quoted('gsize_format', 'hu')
1496 glibconfig_conf.set_quoted('gssize_format', 'hi')
1497 glibconfig_conf.set('glib_msize_type', 'SHRT')
1498 elif g_sizet_compatibility['int']
1499 glibconfig_conf.set('glib_size_type_define', 'int')
1500 glibconfig_conf.set_quoted('gsize_modifier', '')
1501 glibconfig_conf.set_quoted('gssize_modifier', '')
1502 glibconfig_conf.set_quoted('gsize_format', 'u')
1503 glibconfig_conf.set_quoted('gssize_format', 'i')
1504 glibconfig_conf.set('glib_msize_type', 'INT')
1505 elif g_sizet_compatibility['long']
1506 glibconfig_conf.set('glib_size_type_define', 'long')
1507 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1508 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1509 glibconfig_conf.set_quoted('gsize_format', 'lu')
1510 glibconfig_conf.set_quoted('gssize_format', 'li')
1511 glibconfig_conf.set('glib_msize_type', 'LONG')
1512 elif g_sizet_compatibility['long long']
1513 glibconfig_conf.set('glib_size_type_define', 'long long')
1514 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1515 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1516 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1517 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1518 glibconfig_conf.set('glib_msize_type', 'INT64')
1520 error('Could not determine size of size_t.')
1523 if voidp_size == int_size
1524 glibconfig_conf.set('glib_intptr_type_define', 'int')
1525 glibconfig_conf.set_quoted('gintptr_modifier', '')
1526 glibconfig_conf.set_quoted('gintptr_format', 'i')
1527 glibconfig_conf.set_quoted('guintptr_format', 'u')
1528 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1529 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1530 elif voidp_size == long_size
1531 glibconfig_conf.set('glib_intptr_type_define', 'long')
1532 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1533 glibconfig_conf.set_quoted('gintptr_format', 'li')
1534 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1535 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1536 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1537 elif voidp_size == long_long_size
1538 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1539 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1540 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1541 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1542 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1543 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1545 error('Could not determine size of void *')
1548 if long_size != 8 and long_long_size != 8 and int_size != 8
1549 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1552 glibconfig_conf.set('gintbits', int_size * 8)
1553 glibconfig_conf.set('glongbits', long_size * 8)
1554 glibconfig_conf.set('gsizebits', sizet_size * 8)
1555 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1557 # XXX: https://gitlab.gnome.org/GNOME/glib/issues/1413
1558 if host_system == 'windows'
1559 g_module_suffix = 'dll'
1561 g_module_suffix = 'so'
1563 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1565 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1566 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1567 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1568 glibconfig_conf.set('GLIB_VERSION', glib_version)
1570 glibconfig_conf.set('glib_void_p', voidp_size)
1571 glibconfig_conf.set('glib_long', long_size)
1572 glibconfig_conf.set('glib_size_t', sizet_size)
1573 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1574 if host_machine.endian() == 'big'
1575 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1576 glibconfig_conf.set('g_bs_native', 'BE')
1577 glibconfig_conf.set('g_bs_alien', 'LE')
1579 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1580 glibconfig_conf.set('g_bs_native', 'LE')
1581 glibconfig_conf.set('g_bs_alien', 'BE')
1584 # === va_copy checks ===
1585 # we currently check for all three va_copy possibilities, so we get
1586 # all results in config.log for bug reports.
1589 foreach try_func : [ '__va_copy', 'va_copy' ]
1590 if cc.compiles('''#include <stdarg.h>
1593 # include "msvc_recommended_pragmas.h"
1595 void f (int i, ...) {
1596 va_list args1, args2;
1597 va_start (args1, i);
1599 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1601 va_end (args1); va_end (args2);
1606 }'''.format(try_func),
1607 name : try_func + ' check')
1608 va_copy_func = try_func
1611 if va_copy_func != ''
1612 glib_conf.set('G_VA_COPY', va_copy_func)
1613 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1615 glib_vacopy = '/* #undef G_VA_COPY */'
1618 va_list_val_copy_prog = '''
1621 void f (int i, ...) {
1622 va_list args1, args2;
1623 va_start (args1, i);
1625 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1627 va_end (args1); va_end (args2);
1635 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1636 glib_va_val_copy = rres.returncode() == 0
1638 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1640 if not glib_va_val_copy
1641 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1642 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1644 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1646 # check for flavours of varargs macros
1647 g_have_iso_c_varargs = cc.compiles('''
1648 void some_func (void) {
1649 int a(int p1, int p2, int p3);
1650 #define call_a(...) a(1,__VA_ARGS__)
1652 }''', name : 'ISO C99 varargs macros in C')
1654 if g_have_iso_c_varargs
1655 glibconfig_conf.set('g_have_iso_c_varargs', '''
1657 # define G_HAVE_ISO_VARARGS 1
1661 g_have_iso_cxx_varargs = cxx.compiles('''
1662 void some_func (void) {
1663 int a(int p1, int p2, int p3);
1664 #define call_a(...) a(1,__VA_ARGS__)
1666 }''', name : 'ISO C99 varargs macros in C++')
1668 if g_have_iso_cxx_varargs
1669 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1671 # define G_HAVE_ISO_VARARGS 1
1675 g_have_gnuc_varargs = cc.compiles('''
1676 void some_func (void) {
1677 int a(int p1, int p2, int p3);
1678 #define call_a(params...) a(1,params)
1680 }''', name : 'GNUC varargs macros')
1682 if cc.has_header('alloca.h')
1683 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1685 has_syspoll = cc.has_header('sys/poll.h')
1686 has_systypes = cc.has_header('sys/types.h')
1688 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1690 has_winsock2 = cc.has_header('winsock2.h')
1692 if has_syspoll and has_systypes
1694 #include<sys/poll.h>
1695 #include<sys/types.h>'''
1698 #define _WIN32_WINNT @0@
1699 #include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
1702 error('FIX POLL* defines')
1706 [ 'POLLIN', 'g_pollin', 1 ],
1707 [ 'POLLOUT', 'g_pollout', 4 ],
1708 [ 'POLLPRI', 'g_pollpri', 2 ],
1709 [ 'POLLERR', 'g_pollerr', 8 ],
1710 [ 'POLLHUP', 'g_pollhup', 16 ],
1711 [ 'POLLNVAL', 'g_pollnval', 32 ],
1714 if has_syspoll and has_systypes
1715 foreach d : poll_defines
1716 val = cc.compute_int(d[0], prefix: poll_includes)
1717 glibconfig_conf.set(d[1], val)
1720 # Due to a missed bug in configure.ac the poll test
1721 # never succeeded on Windows and used some pre-defined
1722 # values as a fallback. Keep using them to maintain
1723 # ABI compatibility with autotools builds of glibs
1724 # and with *any* glib-using code compiled against them,
1725 # since these values end up in a public header glibconfig.h.
1726 foreach d : poll_defines
1727 glibconfig_conf.set(d[1], d[2])
1731 # Internet address families
1732 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1733 if host_system == 'windows'
1735 #include <winsock2.h>'''
1738 #include <sys/types.h>
1739 #include <sys/socket.h>'''
1743 [ 'AF_UNIX', 'g_af_unix' ],
1744 [ 'AF_INET', 'g_af_inet' ],
1745 [ 'AF_INET6', 'g_af_inet6' ],
1746 [ 'MSG_OOB', 'g_msg_oob' ],
1747 [ 'MSG_PEEK', 'g_msg_peek' ],
1748 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1750 foreach d : inet_defines
1751 val = cc.compute_int(d[0], prefix: inet_includes)
1752 glibconfig_conf.set(d[1], val)
1755 # We need to decide at configure time if GLib will use real atomic
1756 # operations ("lock free") or emulated ones with a mutex. This is
1757 # because we must put this information in glibconfig.h so we know if
1758 # it is safe or not to inline using compiler intrinsics directly from
1761 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1762 # user is interested in knowing if they can use the atomic ops across
1765 # We can currently support the atomic ops natively when building GLib
1766 # with recent versions of GCC or MSVC.
1768 # Note that the atomic ops are only available with GCC on x86 when
1769 # using -march=i486 or higher. If we detect that the atomic ops are
1770 # not available but would be available given the right flags, we want
1771 # to abort and advise the user to fix their CFLAGS. It's better to do
1772 # that then to silently fall back on emulated atomic ops just because
1773 # the user had the wrong build environment.
1774 atomictest = '''int main() {
1775 volatile int atomic = 2;
1776 __sync_bool_compare_and_swap (&atomic, 2, 3);
1782 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1783 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1787 # We know that we can always use real ("lock free") atomic operations with MSVC
1788 if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl' or cc.links(atomictest, name : 'atomic ops')
1789 have_atomic_lock_free = true
1790 if cc.get_id() == 'gcc' and not cc.compiles(atomicdefine, name : 'atomic ops define')
1791 # Old gcc release may provide
1792 # __sync_bool_compare_and_swap but doesn't define
1793 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1794 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1797 have_atomic_lock_free = false
1798 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1799 error('GLib must be built with -march=i486 or later.')
1802 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1806 # Determination of thread implementation
1807 if host_system == 'windows' and not get_option('force_posix_threads')
1809 threads_implementation = 'win32'
1810 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1811 glib_conf.set('THREADS_WIN32', 1)
1813 thread_dep = dependency('threads')
1814 threads_implementation = 'posix'
1815 pthread_prefix = '''
1817 # define _GNU_SOURCE
1819 #include <pthread.h>'''
1820 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1821 glib_conf.set('THREADS_POSIX', 1)
1822 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1823 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1825 if cc.has_header_symbol('pthread.h', 'pthread_attr_setinheritsched')
1826 glib_conf.set('HAVE_PTHREAD_ATTR_SETINHERITSCHED', 1)
1828 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1829 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1831 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1832 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1834 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1835 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1838 if cc.has_header_symbol('sys/syscall.h', 'SYS_sched_getattr')
1839 glib_conf.set('HAVE_SYS_SCHED_GETATTR', 1)
1842 # Assume that pthread_setname_np is available in some form; same as configure
1843 if cc.links(pthread_prefix + '''
1845 pthread_setname_np("example");
1848 name : 'pthread_setname_np(const char*)',
1849 dependencies : thread_dep)
1851 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1852 elif cc.links(pthread_prefix + '''
1854 pthread_setname_np(pthread_self(), "example");
1857 name : 'pthread_setname_np(pthread_t, const char*)',
1858 dependencies : thread_dep)
1859 # Linux, Solaris, etc.
1860 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1861 elif cc.links(pthread_prefix + '''
1863 pthread_setname_np(pthread_self(), "%s", "example");
1866 name : 'pthread_setname_np(pthread_t, const char*, void*)',
1867 dependencies : thread_dep)
1869 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID_AND_ARG', 1)
1870 elif cc.links(pthread_prefix + '''
1871 #include <pthread_np.h>
1873 pthread_set_name_np(pthread_self(), "example");
1876 name : 'pthread_set_name_np(pthread_t, const char*)',
1877 dependencies : thread_dep)
1878 # FreeBSD, DragonFlyBSD, OpenBSD, etc.
1879 glib_conf.set('HAVE_PTHREAD_SET_NAME_NP', 1)
1883 # FIXME: we should make it print the result and always return 0, so that
1884 # the output in meson shows up as green
1885 stack_grows_check_prog = '''
1886 volatile int *a = 0, *b = 0;
1898 return b > a ? 0 : 1;
1902 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1903 growing_stack = rres.returncode() == 0
1905 growing_stack = meson.get_cross_property('growing_stack', false)
1908 glibconfig_conf.set10('G_HAVE_GROWING_STACK', growing_stack)
1912 # We should never use the MinGW C library's iconv because it may not be
1913 # available in the actual runtime environment. On Windows, we always use
1914 # the built-in implementation
1915 iconv_opt = get_option('iconv')
1916 if host_system == 'windows'
1918 # We have a #include "win_iconv.c" in gconvert.c on Windows, so we don't need
1919 # any external library for it
1920 if iconv_opt != 'auto'
1921 warning('-Diconv was set to @0@, which was ignored')
1925 if ['auto', 'libc'].contains(iconv_opt) and cc.has_function('iconv_open')
1929 if not found_iconv and ['auto', 'external'].contains(iconv_opt) and cc.has_header_symbol('iconv.h', 'iconv_open')
1930 libiconv = [cc.find_library('iconv')]
1935 error('iconv implementation "@0@" not found'.format(iconv_opt))
1939 if get_option('internal_pcre')
1941 use_system_pcre = false
1943 pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
1945 if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
1946 # MSVC: Search for the PCRE library by the configuration, which corresponds
1947 # to the output of CMake builds of PCRE. Note that debugoptimized
1948 # is really a Release build with .PDB files.
1949 if vs_crt == 'debug'
1950 pcre = cc.find_library('pcred', required : false)
1952 pcre = cc.find_library('pcre', required : false)
1956 use_system_pcre = pcre.found()
1958 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1960 use_pcre_static_flag = false
1962 if host_system == 'windows'
1963 if not use_system_pcre
1964 use_pcre_static_flag = true
1966 pcre_static = cc.links('''#define PCRE_STATIC
1974 name : 'Windows system PCRE is a static build')
1976 use_pcre_static_flag = true
1981 libm = cc.find_library('m', required : false)
1982 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1984 # Don't use the bundled ZLib sources until we are sure that we can't find it on
1986 libz_dep = dependency('zlib', required : false)
1987 if not libz_dep.found()
1988 if cc.get_id() != 'msvc' and cc.get_id() != 'clang-cl'
1989 libz_dep = cc.find_library('z', required : false)
1991 libz_dep = cc.find_library('zlib1', required : false)
1992 if not libz_dep.found()
1993 libz_dep = cc.find_library('zlib', required : false)
1996 if not libz_dep.found() or not cc.has_header('zlib.h')
1997 libz_dep = subproject('zlib').get_variable('zlib_dep')
2001 # First check in libc, fallback to libintl, and as last chance build
2002 # proxy-libintl subproject.
2003 # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
2004 # implementations. This could be extended if issues are found in some platforms.
2006 if cc.has_function('ngettext')
2007 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset')
2009 # First just find the bare library.
2010 libintl = cc.find_library('intl', required : false)
2011 # The bare library probably won't link without help if it's static.
2012 if libintl.found() and not cc.has_function('ngettext', dependencies : libintl)
2013 libintl_iconv = cc.find_library('iconv', required : false)
2014 # libintl supports different threading APIs, which may not
2015 # require additional flags, but it defaults to using pthreads if
2016 # found. Meson's "threads" dependency does not allow you to
2017 # prefer pthreads. We may not be using pthreads for glib itself
2018 # either so just link the library to satisfy libintl rather than
2019 # also defining the macros with the -pthread flag.
2020 libintl_pthread = cc.find_library('pthread', required : false)
2021 # Try linking with just libiconv.
2022 if libintl_iconv.found() and cc.has_function('ngettext', dependencies : [libintl, libintl_iconv])
2023 libintl_deps += [libintl_iconv]
2024 # Then also try linking with pthreads.
2025 elif libintl_iconv.found() and libintl_pthread.found() and cc.has_function('ngettext', dependencies : [libintl, libintl_iconv, libintl_pthread])
2026 libintl_deps += [libintl_iconv, libintl_pthread]
2028 libintl = disabler()
2031 if not libintl.found()
2032 libintl = subproject('proxy-libintl').get_variable('intl_dep')
2033 libintl_deps = [libintl] + libintl_deps
2034 have_bind_textdomain_codeset = true # proxy-libintl supports it
2036 libintl_deps = [libintl] + libintl_deps
2037 have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset',
2038 dependencies : libintl_deps)
2042 glib_conf.set('HAVE_BIND_TEXTDOMAIN_CODESET', have_bind_textdomain_codeset)
2044 # We require gettext to always be present
2045 glib_conf.set('HAVE_DCGETTEXT', 1)
2046 glib_conf.set('HAVE_GETTEXT', 1)
2048 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
2050 # libmount is only used by gio, but we need to fetch the libs to generate the
2051 # pkg-config file below
2053 if host_system == 'linux'
2054 libmount_dep = dependency('mount', version : '>=2.23', required : get_option('libmount'))
2055 glib_conf.set('HAVE_LIBMOUNT', libmount_dep.found())
2058 if host_system == 'windows'
2059 winsock2 = cc.find_library('ws2_32')
2063 if host_system == 'linux'
2064 selinux_dep = dependency('libselinux', required: get_option('selinux'))
2066 glib_conf.set('HAVE_SELINUX', selinux_dep.found())
2070 if host_system != 'windows' and get_option('xattr')
2071 # either glibc or libattr can provide xattr support
2072 # for both of them, we check for getxattr being in
2073 # the library and a valid xattr header.
2076 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
2077 glib_conf.set('HAVE_SYS_XATTR_H', 1)
2078 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
2079 #failure. try libattr
2080 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
2081 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
2082 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
2083 xattr_dep = [cc.find_library('xattr')]
2085 error('No getxattr implementation found in C library or libxattr')
2088 glib_conf.set('HAVE_XATTR', 1)
2089 if cc.compiles(glib_conf_prefix + '''
2091 #ifdef HAVE_SYS_TYPES_H
2092 #include <sys/types.h>
2094 #ifdef HAVE_SYS_XATTR_H
2095 #include <sys/xattr.h>
2096 #elif HAVE_ATTR_XATTR_H
2097 #include <attr/xattr.h>
2101 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
2104 name : 'XATTR_NOFOLLOW')
2105 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
2109 # If strlcpy is present (BSD and similar), check that it conforms to the BSD
2110 # specification. Specifically Solaris 8's strlcpy() does not, see
2111 # https://bugzilla.gnome.org/show_bug.cgi?id=53933 for further context.
2112 if cc.has_function('strlcpy')
2114 rres = cc.run('''#include <stdlib.h>
2118 (void) strlcpy (p, "hi", 10);
2119 if (strlcat (p, "bye", 0) != 3)
2123 name : 'OpenBSD strlcpy/strlcat')
2124 if rres.compiled() and rres.returncode() == 0
2125 glib_conf.set('HAVE_STRLCPY', 1)
2127 elif meson.get_cross_property('have_strlcpy', false)
2128 glib_conf.set('HAVE_STRLCPY', 1)
2132 cmdline_test_code = '''
2134 #include <sys/stat.h>
2141 /* This code is a dumbed-down version of g_file_get_contents() */
2145 #define BUFSIZE 1024
2146 char result[BUFSIZE];
2147 struct stat stat_buf;
2149 int fd = open ("/proc/self/cmdline", O_RDONLY|O_BINARY);
2152 if (fstat (fd, &stat_buf))
2155 if (stat_buf.st_size > 0 && S_ISREG (stat_buf.st_mode))
2157 if (read (fd, result, BUFSIZE) <= 0)
2162 FILE *f = fdopen (fd, "r");
2166 if (fread (result, 1, BUFSIZE, f) <= 0)
2176 exit (__getcmdline ());
2180 rres = cc.run(cmdline_test_code, name : '/proc/self/cmdline')
2181 have_proc_self_cmdline = rres.compiled() and rres.returncode() == 0
2183 have_proc_self_cmdline = meson.get_cross_property('have_proc_self_cmdline', false)
2186 glib_conf.set('HAVE_PROC_SELF_CMDLINE', have_proc_self_cmdline)
2188 python = import('python').find_installation('python3')
2189 # used for '#!/usr/bin/env <name>'
2190 python_name = 'python3'
2192 python_version = python.language_version()
2193 python_version_req = '>=3.5'
2194 if not python_version.version_compare(python_version_req)
2195 error('Requires Python @0@, @1@ found.'.format(python_version_req, python_version))
2198 # Determine which user environment-dependent files that we want to install
2199 have_bash = find_program('bash', required : false).found() # For completion scripts
2200 have_sh = find_program('sh', required : false).found() # For glib-gettextize
2202 # Some installed tests require a custom environment
2203 env_program = find_program('env', required: installed_tests_enabled)
2205 # FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
2206 if host_system == 'sunos'
2207 glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
2208 glib_conf.set('_XOPEN_SOURCE', 2)
2209 glib_conf.set('__EXTENSIONS__',1)
2212 # Sadly Meson does not expose this value:
2213 # https://github.com/mesonbuild/meson/pull/3460
2214 if host_system == 'windows'
2215 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
2216 # with no explanation. Do the same here for now but this could be revisited if
2218 export_dynamic_ldflags = []
2219 elif host_system == 'cygwin'
2220 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
2221 elif host_system in ['darwin', 'ios']
2222 export_dynamic_ldflags = []
2223 elif host_system == 'sunos'
2224 export_dynamic_ldflags = []
2226 export_dynamic_ldflags = ['-Wl,--export-dynamic']
2231 if host_system == 'windows' and cc.get_id() != 'msvc' and cc.get_id() != 'clang-cl'
2232 # Ensure MSVC-compatible struct packing convention is used when
2233 # compiling for Win32 with gcc. It is used for the whole project and exposed
2235 win32_cflags = ['-mms-bitfields']
2236 add_project_arguments(win32_cflags, language : 'c')
2238 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
2239 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
2240 elif host_system == 'cygwin'
2241 win32_ldflags = ['-luser32', '-lkernel32']
2245 want_dtrace = get_option('dtrace')
2246 enable_dtrace = false
2248 # Since dtrace support is opt-in we just error out if it was requested but
2249 # is not available. We don't bother with autodetection yet.
2252 error('GLib dtrace support not yet compatible with macOS dtrace')
2254 dtrace = find_program('dtrace', required : true) # error out if not found
2255 if not cc.has_header('sys/sdt.h')
2256 error('dtrace support needs sys/sdt.h header')
2258 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
2259 dtrace_obj_gen = generator(dtrace,
2260 output : '@BASENAME@.o',
2261 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
2262 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
2263 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
2264 dtrace_hdr_gen = generator(dtrace,
2265 output : '@BASENAME@.h',
2266 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
2267 glib_conf.set('HAVE_DTRACE', 1)
2268 enable_dtrace = true
2272 want_systemtap = get_option('systemtap')
2273 enable_systemtap = false
2275 if want_systemtap and enable_dtrace
2276 tapset_install_dir = get_option('tapset_install_dir')
2277 if tapset_install_dir == ''
2278 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
2280 stp_cdata = configuration_data()
2281 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
2282 stp_cdata.set('LT_CURRENT', minor_version * 100)
2283 stp_cdata.set('LT_REVISION', micro_version)
2284 enable_systemtap = true
2288 test_timeout_slow = 180
2290 pkg = import('pkgconfig')
2291 windows = import('windows')
2302 # xgettext is optional (on Windows for instance)
2303 if find_program('xgettext', required : get_option('nls')).found()
2307 # Install glib-gettextize executable, if a UNIX-style shell is found
2309 # These should not contain " quotes around the values
2310 gettextize_conf = configuration_data()
2311 gettextize_conf.set('PACKAGE', 'glib')
2312 gettextize_conf.set('VERSION', meson.project_version())
2313 gettextize_conf.set('prefix', glib_prefix)
2314 gettextize_conf.set('datarootdir', glib_datadir)
2315 gettextize_conf.set('datadir', glib_datadir)
2316 configure_file(input : 'glib-gettextize.in',
2317 install_dir : glib_bindir,
2318 output : 'glib-gettextize',
2319 configuration : gettextize_conf)
2322 # Install m4 macros that other projects use
2323 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
2324 install_dir : join_paths(get_option('datadir'), 'aclocal'))
2326 if host_system != 'windows'
2327 # Install Valgrind suppression file (except on Windows,
2328 # as Valgrind is currently not supported on Windows)
2329 install_data('glib.supp',
2330 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
2333 configure_file(output : 'config.h', configuration : glib_conf)
2335 if host_system == 'windows'
2336 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
2339 if get_option('man')
2340 xsltproc = find_program('xsltproc', required : true)
2341 xsltproc_command = [
2344 '--stringparam', 'man.output.quietly', '1',
2345 '--stringparam', 'funcsynopsis.style', 'ansi',
2346 '--stringparam', 'man.th.extra1.suppress', '1',
2347 '--stringparam', 'man.authors.section.enabled', '0',
2348 '--stringparam', 'man.copyright.section.enabled', '0',
2350 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
2353 man1_dir = join_paths(glib_prefix, get_option('mandir'), 'man1')
2356 gnome = import('gnome')
2357 subdir('docs/reference')