1 project('glib', 'c', 'cpp',
3 meson_version : '>= 0.47.0',
5 'buildtype=debugoptimized',
11 cc = meson.get_compiler('c')
12 cxx = meson.get_compiler('cpp')
14 cc_can_run = not meson.is_cross_build() or meson.has_exe_wrapper()
16 if cc.get_id() == 'msvc'
17 # Ignore several spurious warnings for things glib does very commonly
18 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
19 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
20 # NOTE: Only add warnings here if you are sure they're spurious
21 add_project_arguments('/wd4035', '/wd4715', '/wd4116',
22 '/wd4046', '/wd4068', '/wo4090', '/FImsvc_recommended_pragmas.h',language : 'c')
23 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
24 # are built with MinGW
25 noseh_link_args = ['/SAFESEH:NO']
26 # Set the input and exec encoding to utf-8, like is the default with GCC
27 add_project_arguments(cc.get_supported_arguments(['/utf-8']), language: 'c')
30 # -mms-bitfields vs -fnative-struct ?
33 host_system = host_machine.system()
35 glib_version = meson.project_version()
36 glib_api_version = '2.0'
37 version_arr = glib_version.split('.')
38 major_version = version_arr[0].to_int()
39 minor_version = version_arr[1].to_int()
40 micro_version = version_arr[2].to_int()
42 interface_age = minor_version.is_odd() ? 0 : micro_version
43 binary_age = 100 * minor_version + micro_version
46 # Maintain compatibility with previous libtool versioning
47 # current = minor * 100 + micro
48 library_version = '@0@.@1@.@2@'.format(soversion, binary_age - interface_age, interface_age)
50 configinc = include_directories('.')
51 glibinc = include_directories('glib')
52 gobjectinc = include_directories('gobject')
53 gmoduleinc = include_directories('gmodule')
54 gioinc = include_directories('gio')
56 glib_prefix = get_option('prefix')
57 glib_bindir = join_paths(glib_prefix, get_option('bindir'))
58 glib_libdir = join_paths(glib_prefix, get_option('libdir'))
59 glib_datadir = join_paths(glib_prefix, get_option('datadir'))
60 glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
61 glib_includedir = join_paths(glib_prefix, get_option('includedir'))
62 glib_giomodulesdir = get_option('gio_module_dir')
63 if glib_giomodulesdir == ''
64 glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
67 glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
69 add_project_arguments('-D_GNU_SOURCE', language: 'c')
71 # Disable strict aliasing;
72 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
73 if cc.has_argument('-fno-strict-aliasing')
74 add_project_arguments('-fno-strict-aliasing', language: 'c')
77 ########################
78 # Configuration begins #
79 ########################
80 glib_conf = configuration_data()
81 glibconfig_conf = configuration_data()
83 # accumulated list of defines as we check for them, so we can easily
84 # use them later in test programs (autoconf does this automatically)
87 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
88 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
89 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
90 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
91 glib_conf.set('GLIB_BINARY_AGE', binary_age)
92 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
93 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
94 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
95 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
96 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
97 glib_conf.set_quoted('PACKAGE_URL', '')
98 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
99 glib_conf.set('ENABLE_NLS', 1)
101 # used by the .rc.in files
102 glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
104 glib_conf.set('_GNU_SOURCE', 1)
106 if host_system == 'windows'
107 # Poll doesn't work on devices on Windows
108 glib_conf.set('BROKEN_POLL', true)
111 # Check for GNU visibility attributes
112 g_have_gnuc_visibility = cc.compiles('''
114 __attribute__ ((visibility ("hidden")))
119 __attribute__ ((visibility ("internal")))
124 __attribute__ ((visibility ("protected")))
129 __attribute__ ((visibility ("default")))
142 # Not supported by MSVC, but MSVC also won't support visibility,
143 # so it's OK to pass -Werror explicitly. Replace with
144 # override_options : 'werror=true' once that is supported
146 name : 'GNU C visibility attributes test')
148 if g_have_gnuc_visibility
149 glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
152 # Detect and set symbol visibility
153 glib_hidden_visibility_args = []
154 if get_option('default_library') != 'static'
155 if host_system == 'windows'
156 glib_conf.set('DLL_EXPORT', true)
157 if cc.get_id() == 'msvc'
158 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
159 elif cc.has_argument('-fvisibility=hidden')
160 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
161 glib_hidden_visibility_args = ['-fvisibility=hidden']
163 elif cc.has_argument('-fvisibility=hidden')
164 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
165 glib_hidden_visibility_args = ['-fvisibility=hidden']
169 if host_system == 'windows' and get_option('default_library') == 'static'
170 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
171 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
174 # FIXME: what about Cygwin (G_WITH_CYGWIN)
175 if host_system == 'windows'
176 glib_os = '''#define G_OS_WIN32
177 #define G_PLATFORM_WIN32'''
179 glib_os = '#define G_OS_UNIX'
181 glibconfig_conf.set('glib_os', glib_os)
183 # We need to know the build type to determine what .lib files we need on Visual Studio
184 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
185 buildtype = get_option('buildtype')
187 glib_debug_cflags = []
188 if buildtype.startswith('debug')
189 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
190 elif buildtype == 'release'
191 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
194 add_project_arguments(glib_debug_cflags, language: 'c')
196 # check for header files
201 'dirent.h', # MSC does not come with this by default
234 'sys/time.h', # MSC does not come with this by default
250 define = 'HAVE_' + h.underscorify().to_upper()
251 glib_conf.set(define, 1)
252 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
256 # FIXME: Use cc.check_header from Meson 0.47.
257 # FreeBSD includes a malloc.h which always throw compilation error.
258 if cc.compiles('#include <malloc.h>', name : 'malloc.h')
259 glib_conf.set('HAVE_MALLOC_H', 1)
260 glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
263 if cc.has_header('linux/netlink.h')
264 glib_conf.set('HAVE_NETLINK', 1)
267 if glib_conf.has('HAVE_LOCALE_H')
268 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
269 glib_conf.set('HAVE_LC_MESSAGES', 1)
273 struct_stat_blkprefix = '''
274 #include <sys/types.h>
275 #include <sys/stat.h>
279 #ifdef HAVE_SYS_STATFS_H
280 #include <sys/statfs.h>
282 #ifdef HAVE_SYS_PARAM_H
283 #include <sys/param.h>
285 #ifdef HAVE_SYS_MOUNT_H
286 #include <sys/mount.h>
291 [ 'stat', 'st_mtimensec' ],
292 [ 'stat', 'st_mtim.tv_nsec' ],
293 [ 'stat', 'st_atimensec' ],
294 [ 'stat', 'st_atim.tv_nsec' ],
295 [ 'stat', 'st_ctimensec' ],
296 [ 'stat', 'st_ctim.tv_nsec' ],
297 [ 'stat', 'st_birthtime' ],
298 [ 'stat', 'st_birthtimensec' ],
299 [ 'stat', 'st_birthtim' ],
300 [ 'stat', 'st_birthtim.tv_nsec' ],
301 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
302 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
303 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
304 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
305 [ 'dirent', 'd_type', '''#include <sys/types.h>
306 #include <dirent.h>''' ],
307 [ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
308 [ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
309 [ 'tm', 'tm_gmtoff', '#include <time.h>' ],
310 [ 'tm', '__tm_gmtoff', '#include <time.h>' ],
313 foreach m : struct_members
314 header_check_prefix = glib_conf_prefix
316 header_check_prefix = header_check_prefix + m[2]
318 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
320 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
321 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
322 glib_conf.set(define, 1)
323 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
329 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
332 '-Wduplicated-branches',
333 '-Wmisleading-indentation',
334 '-Wstrict-prototypes',
336 # Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
337 # building with -Wbad-function-cast.
338 '-Wno-bad-function-cast',
339 '-Werror=declaration-after-statement',
341 '-Werror=format-security',
342 '-Werror=implicit-function-declaration',
344 '-Werror=missing-include-dirs',
345 '-Werror=missing-prototypes',
346 '-Werror=pointer-arith',
351 if get_option('bsymbolic_functions')
352 test_c_link_args += ['-Wl,-Bsymbolic-functions']
356 test_c_link_args = []
359 add_project_arguments(cc.get_supported_arguments(test_c_args), language: 'c')
361 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
362 # means we cannot use that flag in add_project_link_arguments(), and must add
363 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
364 # because that is what the autotools build did.
365 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
367 glib_link_flags = cc.get_supported_link_arguments(test_c_link_args)
369 # Windows Support (7+)
370 if host_system == 'windows'
371 glib_conf.set('_WIN32_WINNT', '0x0601')
434 if glib_conf.has('HAVE_SYS_STATVFS_H')
435 functions += ['statvfs']
437 have_func_statvfs = false
439 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
440 functions += ['statfs']
442 have_func_statfs = false
445 if host_system == 'windows'
446 iphlpapi_dep = cc.find_library('iphlpapi')
447 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
448 foreach ifunc : iphlpapi_funcs
449 iphl_prefix = '''#define _WIN32_WINNT @0@
450 #include <winsock2.h>
451 #include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
452 if cc.has_function(ifunc,
453 prefix : iphl_prefix,
454 dependencies : iphlpapi_dep)
455 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
456 glib_conf.set(idefine, 1)
457 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
458 set_variable('have_func_' + ifunc, true)
460 set_variable('have_func_' + ifunc, false)
464 functions += ['if_indextoname', 'if_nametoindex']
467 # AIX splice is something else
468 if host_system != 'aix'
469 functions += ['splice']
472 foreach f : functions
473 if cc.has_function(f)
474 define = 'HAVE_' + f.underscorify().to_upper()
475 glib_conf.set(define, 1)
476 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
477 set_variable('have_func_' + f, true)
479 set_variable('have_func_' + f, false)
483 # Check that stpcpy() is usable; must use header
484 if cc.has_function('stpcpy', prefix : '#include <string.h>')
485 glib_conf.set('HAVE_STPCPY', 1)
488 # Check that posix_memalign() is usable; must use header
489 if cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
490 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
493 # Check that posix_spawn() is usable; must use header
494 if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
495 glib_conf.set('HAVE_POSIX_SPAWN', 1)
498 # Check whether strerror_r returns char *
499 if have_func_strerror_r
500 if cc.compiles('''#define _GNU_SOURCE
503 char error_string[256];
504 char *ptr = strerror_r (-2, error_string, 256);
505 char c = *strerror_r (-2, error_string, 256);
506 return c != 0 && ptr != (void*) 0L;
509 name : 'strerror_r() returns char *')
510 glib_conf.set('STRERROR_R_CHAR_P', 1,
511 description: 'Defined if strerror_r returns char *')
515 # Special-case these functions that have alternative names on Windows/MSVC
516 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
517 glib_conf.set('HAVE_SNPRINTF', 1)
518 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
519 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
520 hack_define = '1\n#define snprintf _snprintf'
521 glib_conf.set('HAVE_SNPRINTF', hack_define)
522 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
525 if cc.has_function('strcasecmp')
526 glib_conf.set('HAVE_STRCASECMP', 1)
527 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
528 elif cc.has_function('_stricmp')
529 hack_define = '1\n#define strcasecmp _stricmp'
530 glib_conf.set('HAVE_STRCASECMP', hack_define)
531 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
534 if cc.has_function('strncasecmp')
535 glib_conf.set('HAVE_STRNCASECMP', 1)
536 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
537 elif cc.has_function('_strnicmp')
538 hack_define = '1\n#define strncasecmp _strnicmp'
539 glib_conf.set('HAVE_STRNCASECMP', hack_define)
540 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
543 if cc.has_header_symbol('sys/sysmacros.h', 'major')
544 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
545 elif cc.has_header_symbol('sys/mkdev.h', 'major')
546 glib_conf.set('MAJOR_IN_MKDEV', 1)
547 elif cc.has_header_symbol('sys/types.h', 'major')
548 glib_conf.set('MAJOR_IN_TYPES', 1)
551 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
552 glib_conf.set('HAVE_RTLD_LAZY', 1)
555 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
556 glib_conf.set('HAVE_RTLD_NOW', 1)
559 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
560 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
563 # Check whether to use statfs or statvfs
564 # Some systems have both statfs and statvfs, pick the most "native" for these
565 if have_func_statfs and have_func_statvfs
566 # on solaris and irix, statfs doesn't even have the f_bavail field
567 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
568 have_func_statfs = false
570 # at least on linux, statfs is the actual syscall
571 have_func_statvfs = false
575 glib_conf.set('USE_STATFS', 1)
576 stat_func_to_use = 'statfs'
577 elif have_func_statvfs
578 glib_conf.set('USE_STATVFS', 1)
579 stat_func_to_use = 'statvfs'
581 stat_func_to_use = 'neither'
583 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
585 if host_system == 'linux'
586 if cc.has_function('mkostemp',
587 prefix: '''#define _GNU_SOURCE
588 #include <stdlib.h>''')
589 glib_conf.set('HAVE_MKOSTEMP', 1)
594 glib_have_os_x_9_or_later = false
595 glib_have_carbon = false
596 glib_have_cocoa = false
597 if host_system == 'darwin'
598 add_languages('objc')
599 objcc = meson.get_compiler('objc')
601 osx_ldflags += ['-Wl,-framework,CoreFoundation']
603 # Mac OS X Carbon support
604 glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
605 #include <CoreServices/CoreServices.h>''',
606 name : 'Mac OS X Carbon support')
609 glib_conf.set('HAVE_CARBON', true)
610 osx_ldflags += '-Wl,-framework,Carbon'
611 glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
612 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
613 #error Compiling for minimum OS X version before 10.9
615 name : 'OS X 9 or later')
618 # Mac OS X Cocoa support
619 glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
620 #ifdef GNUSTEP_BASE_VERSION
621 #error "Detected GNUstep, not Cocoa"
623 name : 'Mac OS X Cocoa support')
626 glib_conf.set('HAVE_COCOA', true)
627 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
630 # FIXME: libgio mix C and objC source files and there is no way to reliably
631 # know which language flags it's going to use to link. Add to both languages
632 # for now. See https://github.com/mesonbuild/meson/issues/3585.
633 add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
637 if cc.links('''#include <linux/futex.h>
638 #include <sys/syscall.h>
640 int main (int argc, char ** argv) {
641 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
643 }''', name : 'futex(2) system call')
644 glib_conf.set('HAVE_FUTEX', 1)
647 # Check for eventfd(2)
648 if cc.links('''#include <sys/eventfd.h>
650 int main (int argc, char ** argv) {
651 eventfd (0, EFD_CLOEXEC);
653 }''', name : 'eventfd(2) system call')
654 glib_conf.set('HAVE_EVENTFD', 1)
657 clock_gettime_test_code = '''
660 int main (int argc, char ** argv) {
661 return clock_gettime(CLOCK_REALTIME, &t);
664 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
665 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
666 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
667 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
668 librt = cc.find_library('rt')
671 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
673 if cc.compiles(glib_conf_prefix + '''
675 #ifdef HAVE_SYS_PARAM_H
676 #include <sys/param.h>
678 #ifdef HAVE_SYS_VFS_H
681 #ifdef HAVE_SYS_MOUNT_H
682 #include <sys/mount.h>
684 #ifdef HAVE_SYS_STATFS_H
685 #include <sys/statfs.h>
687 void some_func (void) {
690 }''', name : 'number of arguments to statfs() (n=2)')
691 glib_conf.set('STATFS_ARGS', 2)
692 elif cc.compiles(glib_conf_prefix + '''
694 #ifdef HAVE_SYS_PARAM_H
695 #include <sys/param.h>
697 #ifdef HAVE_SYS_VFS_H
700 #ifdef HAVE_SYS_MOUNT_H
701 #include <sys/mount.h>
703 #ifdef HAVE_SYS_STATFS_H
704 #include <sys/statfs.h>
706 void some_func (void) {
708 statfs("/", &st, sizeof (st), 0);
709 }''', name : 'number of arguments to statfs() (n=4)')
710 glib_conf.set('STATFS_ARGS', 4)
712 error('Unable to determine number of arguments to statfs()')
716 # open takes O_DIRECTORY as an option
718 if cc.compiles('''#include <fcntl.h>
719 #include <sys/types.h>
720 #include <sys/stat.h>],
721 void some_func (void) {
722 open(0, O_DIRECTORY, 0);
723 }''', name : 'open() option O_DIRECTORY')
724 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
727 # Check whether there is a vsnprintf() function with C99 semantics installed.
728 # AC_FUNC_VSNPRINTF_C99
729 # Check whether there is a snprintf() function with C99 semantics installed.
730 # AC_FUNC_SNPRINTF_C99
732 have_good_vsnprintf = false
733 have_good_snprintf = false
735 if host_system == 'windows' and cc.get_id() == 'msvc'
736 # Unfortunately the Visual Studio 2015+ implementations of C99-style
737 # snprintf and vsnprintf don't seem to be quite good enough.
738 # (Sorry, I don't know exactly what is the problem,
739 # but it is related to floating point formatting and decimal point vs. comma.)
740 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
741 # rigorous enough to notice, though.
742 glib_conf.set('HAVE_C99_SNPRINTF', false)
743 glib_conf.set('HAVE_C99_VSNPRINTF', false)
745 vsnprintf_c99_test_code = '''
757 r = vsnprintf(buffer, 5, s, args);
763 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
764 implementation. The above will return 7 but if you replace
765 the size of the buffer with 0, it borks! */
767 r = vsnprintf(buffer, 0, s, args);
784 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
785 if rres.compiled() and rres.returncode() == 0
786 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
787 have_good_vsnprintf = true
790 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
791 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
794 snprintf_c99_test_code = '''
805 r = snprintf(buffer, 5, "1234567");
810 r = snprintf(buffer, 0, "1234567");
815 r = snprintf(NULL, 0, "1234567");
831 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
832 if rres.compiled() and rres.returncode() == 0
833 glib_conf.set('HAVE_C99_SNPRINTF', 1)
834 have_good_snprintf = true
837 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
838 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
842 if host_system == 'windows'
843 glib_conf.set_quoted('EXEEXT', '.exe')
845 glib_conf.set('EXEEXT', '')
848 if have_good_vsnprintf and have_good_snprintf
849 # Our printf is 'good' only if vsnpintf()/snprintf() supports C99 well enough
850 glib_conf.set('HAVE_GOOD_PRINTF', 1) # FIXME: Check for HAVE_UNIX98_PRINTF?
852 glib_conf.set('HAVE_VASPRINTF', 1)
855 # Check whether the printf() family supports Unix98 %n$ positional parameters
856 # AC_FUNC_PRINTF_UNIX98
857 # Nothing uses HAVE_UNIX98_PRINTF
860 # Check for nl_langinfo and CODESET
861 # FIXME: Check for HAVE_BIND_TEXTDOMAIN_CODESET
862 if cc.links('''#include <langinfo.h>
863 int main (int argc, char ** argv) {
864 char *codeset = nl_langinfo (CODESET);
866 }''', name : 'nl_langinfo and CODESET')
867 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
868 glib_conf.set('HAVE_CODESET', 1)
871 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
872 if cc.links('''#include <langinfo.h>
873 int main (int argc, char ** argv) {
875 str = nl_langinfo (PM_STR);
876 str = nl_langinfo (D_T_FMT);
877 str = nl_langinfo (D_FMT);
878 str = nl_langinfo (T_FMT);
879 str = nl_langinfo (T_FMT_AMPM);
880 str = nl_langinfo (MON_1);
881 str = nl_langinfo (ABMON_12);
882 str = nl_langinfo (DAY_1);
883 str = nl_langinfo (ABDAY_7);
885 }''', name : 'nl_langinfo (PM_STR)')
886 glib_conf.set('HAVE_LANGINFO_TIME', 1)
888 if cc.links('''#include <langinfo.h>
889 int main (int argc, char ** argv) {
891 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
892 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
893 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
894 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
895 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
896 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
897 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
898 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
899 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
900 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
902 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
903 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
906 # Check for nl_langinfo and alternative month names
907 if cc.links('''#ifndef _GNU_SOURCE
910 #include <langinfo.h>
911 int main (int argc, char ** argv) {
913 str = nl_langinfo (ALTMON_1);
914 str = nl_langinfo (ALTMON_2);
915 str = nl_langinfo (ALTMON_3);
916 str = nl_langinfo (ALTMON_4);
917 str = nl_langinfo (ALTMON_5);
918 str = nl_langinfo (ALTMON_6);
919 str = nl_langinfo (ALTMON_7);
920 str = nl_langinfo (ALTMON_8);
921 str = nl_langinfo (ALTMON_9);
922 str = nl_langinfo (ALTMON_10);
923 str = nl_langinfo (ALTMON_11);
924 str = nl_langinfo (ALTMON_12);
926 }''', name : 'nl_langinfo (ALTMON_n)')
927 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
930 # Check for nl_langinfo and abbreviated alternative month names
931 if cc.links('''#ifndef _GNU_SOURCE
934 #include <langinfo.h>
935 int main (int argc, char ** argv) {
937 str = nl_langinfo (_NL_ALTMON_1);
938 str = nl_langinfo (_NL_ALTMON_2);
939 str = nl_langinfo (_NL_ALTMON_3);
940 str = nl_langinfo (_NL_ALTMON_4);
941 str = nl_langinfo (_NL_ALTMON_5);
942 str = nl_langinfo (_NL_ALTMON_6);
943 str = nl_langinfo (_NL_ALTMON_7);
944 str = nl_langinfo (_NL_ALTMON_8);
945 str = nl_langinfo (_NL_ALTMON_9);
946 str = nl_langinfo (_NL_ALTMON_10);
947 str = nl_langinfo (_NL_ALTMON_11);
948 str = nl_langinfo (_NL_ALTMON_12);
950 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
951 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
954 # Check if C compiler supports the 'signed' keyword
955 if not cc.compiles('''signed char x;''', name : 'signed')
956 glib_conf.set('signed', '/* NOOP */')
959 # Check if the ptrdiff_t type exists
960 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
961 glib_conf.set('HAVE_PTRDIFF_T', 1)
964 # Check for sig_atomic_t type
965 if cc.links('''#include <signal.h>
966 #include <sys/types.h>
967 sig_atomic_t val = 42;
968 int main (int argc, char ** argv) {
969 return val == 42 ? 0 : 1;
970 }''', name : 'sig_atomic_t')
971 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
974 # Check if 'long long' works
975 # jm_AC_TYPE_LONG_LONG
976 if cc.compiles('''long long ll = 1LL;
978 int some_func (void) {
979 long long llmax = (long long) -1;
980 return ll << i | ll >> i | llmax / ll | llmax % ll;
981 }''', name : 'long long')
982 glib_conf.set('HAVE_LONG_LONG', 1)
983 have_long_long = true
985 have_long_long = false
988 # Test whether the compiler supports the 'long double' type.
989 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
990 long double foo = 0.0;
991 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
992 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
993 name : 'long double')
994 glib_conf.set('HAVE_LONG_DOUBLE', 1)
997 # Test whether <stddef.h> has the 'wchar_t' type.
998 if cc.has_header_symbol('stddef.h', 'wchar_t')
999 glib_conf.set('HAVE_WCHAR_T', 1)
1002 # Test whether <wchar.h> has the 'wint_t' type.
1003 if cc.has_header_symbol('wchar.h', 'wint_t')
1004 glib_conf.set('HAVE_WINT_T', 1)
1007 found_uintmax_t = false
1009 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
1010 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1011 # jm_AC_HEADER_INTTYPES_H
1012 if cc.compiles('''#include <sys/types.h>
1013 #include <inttypes.h>
1014 void some_func (void) {
1015 uintmax_t i = (uintmax_t) -1;
1016 }''', name : 'uintmax_t in inttypes.h')
1017 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1018 found_uintmax_t = true
1021 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1022 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1023 # jm_AC_HEADER_STDINT_H
1024 if cc.compiles('''#include <sys/types.h>
1026 void some_func (void) {
1027 uintmax_t i = (uintmax_t) -1;
1028 }''', name : 'uintmax_t in stdint.h')
1029 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1030 found_uintmax_t = true
1033 # Define intmax_t to 'long' or 'long long'
1034 # if it is not already defined in <stdint.h> or <inttypes.h>.
1035 # For simplicity, we assume that a header file defines 'intmax_t' if and
1036 # only if it defines 'uintmax_t'.
1038 glib_conf.set('HAVE_INTMAX_T', 1)
1040 glib_conf.set('intmax_t', 'long long')
1042 glib_conf.set('intmax_t', 'long')
1045 char_size = cc.sizeof('char')
1046 short_size = cc.sizeof('short')
1047 int_size = cc.sizeof('int')
1048 voidp_size = cc.sizeof('void*')
1049 long_size = cc.sizeof('long')
1051 long_long_size = cc.sizeof('long long')
1055 sizet_size = cc.sizeof('size_t')
1056 if cc.get_id() == 'msvc'
1057 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1059 ssizet_size = cc.sizeof('ssize_t')
1063 char_align = cc.alignment('char')
1064 short_align = cc.alignment('short')
1065 int_align = cc.alignment('int')
1066 voidp_align = cc.alignment('void*')
1067 long_align = cc.alignment('long')
1068 long_long_align = cc.alignment('long long')
1069 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1070 # be 64-bit in C99, and it is available on all supported compilers
1071 sizet_align = cc.alignment('size_t')
1073 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1075 glib_conf.set('SIZEOF_CHAR', char_size)
1076 glib_conf.set('SIZEOF_INT', int_size)
1077 glib_conf.set('SIZEOF_SHORT', short_size)
1078 glib_conf.set('SIZEOF_LONG', long_size)
1079 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1080 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1081 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1082 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1095 error('Compiler provides no native 16-bit integer type')
1097 glibconfig_conf.set('gint16', gint16)
1098 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1099 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1100 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1107 guint32_align = short_align
1113 guint32_align = int_align
1119 guint32_align = long_align
1121 error('Compiler provides no native 32-bit integer type')
1123 glibconfig_conf.set('gint32', gint32)
1124 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1125 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1126 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1127 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1135 gint64_constant='(val)'
1136 guint64_constant='(val)'
1137 guint64_align = int_align
1144 gint64_constant='(val##L)'
1145 guint64_constant='(val##UL)'
1146 guint64_align = long_align
1147 elif long_long_size == 8
1148 gint64 = 'long long'
1149 glib_extension='G_GNUC_EXTENSION '
1150 gint64_modifier=int64_m
1151 gint64_format=int64_m + 'i'
1152 guint64_format=int64_m + 'u'
1153 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1154 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1155 guint64_align = long_long_align
1157 error('Compiler provides no native 64-bit integer type')
1159 glibconfig_conf.set('glib_extension', glib_extension)
1160 glibconfig_conf.set('gint64', gint64)
1161 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1162 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1163 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1164 glibconfig_conf.set('gint64_constant', gint64_constant)
1165 glibconfig_conf.set('guint64_constant', guint64_constant)
1166 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1168 if host_system == 'windows'
1169 glibconfig_conf.set('g_pid_type', 'void*')
1170 glibconfig_conf.set_quoted('g_pid_format', 'p')
1171 if host_machine.cpu_family() == 'x86_64'
1172 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1174 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1176 glibconfig_conf.set('g_dir_separator', '\\\\')
1177 glibconfig_conf.set('g_searchpath_separator', ';')
1179 glibconfig_conf.set('g_pid_type', 'int')
1180 glibconfig_conf.set_quoted('g_pid_format', 'i')
1181 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1182 glibconfig_conf.set('g_dir_separator', '/')
1183 glibconfig_conf.set('g_searchpath_separator', ':')
1186 if sizet_size == short_size
1187 glibconfig_conf.set('glib_size_type_define', 'short')
1188 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1189 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1190 glibconfig_conf.set_quoted('gsize_format', 'hu')
1191 glibconfig_conf.set_quoted('gssize_format', 'hi')
1192 glibconfig_conf.set('glib_msize_type', 'SHRT')
1193 elif sizet_size == int_size
1194 glibconfig_conf.set('glib_size_type_define', 'int')
1195 glibconfig_conf.set_quoted('gsize_modifier', '')
1196 glibconfig_conf.set_quoted('gssize_modifier', '')
1197 glibconfig_conf.set_quoted('gsize_format', 'u')
1198 glibconfig_conf.set_quoted('gssize_format', 'i')
1199 glibconfig_conf.set('glib_msize_type', 'INT')
1200 elif sizet_size == long_size
1201 glibconfig_conf.set('glib_size_type_define', 'long')
1202 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1203 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1204 glibconfig_conf.set_quoted('gsize_format', 'lu')
1205 glibconfig_conf.set_quoted('gssize_format', 'li')
1206 glibconfig_conf.set('glib_msize_type', 'LONG')
1207 elif sizet_size == long_long_size
1208 glibconfig_conf.set('glib_size_type_define', 'long long')
1209 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1210 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1211 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1212 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1213 glibconfig_conf.set('glib_msize_type', 'INT64')
1215 error('Could not determine size of size_t.')
1218 if voidp_size == int_size
1219 glibconfig_conf.set('glib_intptr_type_define', 'int')
1220 glibconfig_conf.set_quoted('gintptr_modifier', '')
1221 glibconfig_conf.set_quoted('gintptr_format', 'i')
1222 glibconfig_conf.set_quoted('guintptr_format', 'u')
1223 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1224 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1225 elif voidp_size == long_size
1226 glibconfig_conf.set('glib_intptr_type_define', 'long')
1227 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1228 glibconfig_conf.set_quoted('gintptr_format', 'li')
1229 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1230 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1231 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1232 elif voidp_size == long_long_size
1233 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1234 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1235 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1236 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1237 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1238 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1240 error('Could not determine size of void *')
1243 if long_size != 8 and long_long_size != 8 and int_size != 8
1244 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1247 glibconfig_conf.set('gintbits', int_size * 8)
1248 glibconfig_conf.set('glongbits', long_size * 8)
1249 glibconfig_conf.set('gsizebits', sizet_size * 8)
1250 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1252 # FIXME: maybe meson should tell us the libsuffix?
1253 if host_system == 'windows'
1254 g_module_suffix = 'dll'
1255 elif host_system == 'darwin'
1256 g_module_suffix = 'dylib'
1258 g_module_suffix = 'so'
1260 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1262 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1263 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1264 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1265 glibconfig_conf.set('GLIB_VERSION', glib_version)
1267 glibconfig_conf.set('glib_void_p', voidp_size)
1268 glibconfig_conf.set('glib_long', long_size)
1269 glibconfig_conf.set('glib_size_t', sizet_size)
1270 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1271 if host_machine.endian() == 'big'
1272 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1273 glibconfig_conf.set('g_bs_native', 'BE')
1274 glibconfig_conf.set('g_bs_alien', 'LE')
1276 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1277 glibconfig_conf.set('g_bs_native', 'LE')
1278 glibconfig_conf.set('g_bs_alien', 'BE')
1281 # === va_copy checks ===
1282 # we currently check for all three va_copy possibilities, so we get
1283 # all results in config.log for bug reports.
1286 foreach try_func : [ '__va_copy', 'va_copy' ]
1287 if cc.compiles('''#include <stdarg.h>
1290 # include "msvc_recommended_pragmas.h"
1292 void f (int i, ...) {
1293 va_list args1, args2;
1294 va_start (args1, i);
1296 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1298 va_end (args1); va_end (args2);
1303 }'''.format(try_func),
1304 name : try_func + ' check')
1305 va_copy_func = try_func
1308 if va_copy_func != ''
1309 glib_conf.set('G_VA_COPY', va_copy_func)
1310 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1312 glib_vacopy = '/* #undef G_VA_COPY */'
1315 va_list_val_copy_prog = '''
1318 void f (int i, ...) {
1319 va_list args1, args2;
1320 va_start (args1, i);
1322 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1324 va_end (args1); va_end (args2);
1332 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1333 glib_va_val_copy = rres.returncode() == 0
1335 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1337 if not glib_va_val_copy
1338 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1339 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1341 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1343 # check for flavours of varargs macros
1344 g_have_iso_c_varargs = cc.compiles('''
1345 void some_func (void) {
1346 int a(int p1, int p2, int p3);
1347 #define call_a(...) a(1,__VA_ARGS__)
1349 }''', name : 'ISO C99 varargs macros in C')
1351 if g_have_iso_c_varargs
1352 glibconfig_conf.set('g_have_iso_c_varargs', '''
1354 # define G_HAVE_ISO_VARARGS 1
1358 g_have_iso_cxx_varargs = cxx.compiles('''
1359 void some_func (void) {
1360 int a(int p1, int p2, int p3);
1361 #define call_a(...) a(1,__VA_ARGS__)
1363 }''', name : 'ISO C99 varargs macros in C++')
1365 if g_have_iso_cxx_varargs
1366 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1368 # define G_HAVE_ISO_VARARGS 1
1372 g_have_gnuc_varargs = cc.compiles('''
1373 void some_func (void) {
1374 int a(int p1, int p2, int p3);
1375 #define call_a(params...) a(1,params)
1377 }''', name : 'GNUC varargs macros')
1379 if cc.has_header('alloca.h')
1380 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1382 has_syspoll = cc.has_header('sys/poll.h')
1383 has_systypes = cc.has_header('sys/types.h')
1385 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1387 has_winsock2 = cc.has_header('winsock2.h')
1389 if has_syspoll and has_systypes
1391 #include<sys/poll.h>
1392 #include<sys/types.h>'''
1395 #define _WIN32_WINNT @0@
1396 #include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
1399 error('FIX POLL* defines')
1403 [ 'POLLIN', 'g_pollin', 1 ],
1404 [ 'POLLOUT', 'g_pollout', 4 ],
1405 [ 'POLLPRI', 'g_pollpri', 2 ],
1406 [ 'POLLERR', 'g_pollerr', 8 ],
1407 [ 'POLLHUP', 'g_pollhup', 16 ],
1408 [ 'POLLNVAL', 'g_pollnval', 32 ],
1411 if has_syspoll and has_systypes
1412 foreach d : poll_defines
1413 val = cc.compute_int(d[0], prefix: poll_includes)
1414 glibconfig_conf.set(d[1], val)
1417 # Due to a missed bug in configure.ac the poll test
1418 # never succeeded on Windows and used some pre-defined
1419 # values as a fallback. Keep using them to maintain
1420 # ABI compatibility with autotools builds of glibs
1421 # and with *any* glib-using code compiled against them,
1422 # since these values end up in a public header glibconfig.h.
1423 foreach d : poll_defines
1424 glibconfig_conf.set(d[1], d[2])
1428 # Internet address families
1429 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1430 if host_system == 'windows'
1432 #include <winsock2.h>'''
1435 #include <sys/types.h>
1436 #include <sys/socket.h>'''
1440 [ 'AF_UNIX', 'g_af_unix' ],
1441 [ 'AF_INET', 'g_af_inet' ],
1442 [ 'AF_INET6', 'g_af_inet6' ],
1443 [ 'MSG_OOB', 'g_msg_oob' ],
1444 [ 'MSG_PEEK', 'g_msg_peek' ],
1445 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1447 foreach d : inet_defines
1448 val = cc.compute_int(d[0], prefix: inet_includes)
1449 glibconfig_conf.set(d[1], val)
1452 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', true) # FIXME!
1454 # We need a more robust approach here...
1455 host_cpu_family = host_machine.cpu_family()
1456 if host_cpu_family == 'x86' or host_cpu_family == 'x86_64' or host_cpu_family == 's390' or host_cpu_family == 's390x' or host_cpu_family.startswith('arm') or host_cpu_family.startswith('crisv32') or host_cpu_family.startswith('etrax')
1457 glib_memory_barrier_needed = false
1458 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1459 glib_memory_barrier_needed = true
1461 warning('Unknown host cpu: ' + host_cpu_family)
1462 glib_memory_barrier_needed = true
1464 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1466 # We need to decide at configure time if GLib will use real atomic
1467 # operations ("lock free") or emulated ones with a mutex. This is
1468 # because we must put this information in glibconfig.h so we know if
1469 # it is safe or not to inline using compiler intrinsics directly from
1472 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1473 # user is interested in knowing if they can use the atomic ops across
1476 # We can currently support the atomic ops natively when building GLib
1477 # with recent versions of GCC or MSVC.
1479 # Note that the atomic ops are only available with GCC on x86 when
1480 # using -march=i486 or higher. If we detect that the atomic ops are
1481 # not available but would be available given the right flags, we want
1482 # to abort and advise the user to fix their CFLAGS. It's better to do
1483 # that then to silently fall back on emulated atomic ops just because
1484 # the user had the wrong build environment.
1485 atomictest = '''int main() {
1486 volatile int atomic = 2;
1487 __sync_bool_compare_and_swap (&atomic, 2, 3);
1493 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1494 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1498 # We know that we can always use real ("lock free") atomic operations with MSVC
1499 if cc.get_id() == 'msvc' or cc.links(atomictest, name : 'atomic ops')
1500 have_atomic_lock_free = true
1501 if host_system == 'android' and not cc.compiles(atomicdefine, name : 'atomic ops define')
1502 # When building for armv5 on Android, gcc 4.9 provides
1503 # __sync_bool_compare_and_swap but doesn't define
1504 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1505 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1508 have_atomic_lock_free = false
1509 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1510 error('GLib must be built with -march=i486 or later.')
1513 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1517 # Determination of thread implementation
1518 if host_system == 'windows' and not get_option('force_posix_threads')
1520 threads_implementation = 'win32'
1521 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1522 glib_conf.set('THREADS_WIN32', 1)
1524 thread_dep = dependency('threads')
1525 threads_implementation = 'posix'
1526 pthread_prefix = '''
1528 # define _GNU_SOURCE
1530 #include <pthread.h>'''
1531 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1532 glib_conf.set('THREADS_POSIX', 1)
1533 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1534 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1536 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1537 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1539 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1540 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1542 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1543 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1545 # Assume that pthread_setname_np is available in some form; same as configure
1546 if cc.links(pthread_prefix + '''
1548 pthread_setname_np("example");
1551 name : 'pthread_setname_np(const char*)',
1552 dependencies : thread_dep)
1554 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1555 elif cc.links(pthread_prefix + '''
1557 pthread_setname_np(pthread_self(), "example");
1560 name : 'pthread_setname_np(pthread_t, const char*)',
1561 dependencies : thread_dep)
1562 # Linux, Solaris, etc.
1563 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1567 # FIXME: we should make it print the result and always return 0, so that
1568 # the output in meson shows up as green
1569 stack_grows_check_prog = '''
1570 volatile int *a = 0, *b = 0;
1582 return b > a ? 0 : 1;
1586 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1587 growing_stack = rres.returncode() == 0
1589 growing_stack = meson.get_cross_property('growing_stack', false)
1592 glibconfig_conf.set('G_HAVE_GROWING_STACK', growing_stack)
1596 # USE_LIBICONV_GNU: Using GNU libiconv
1597 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1599 # We should never use the MinGW C library's iconv. On Windows we use the
1600 # GNU implementation that ships with MinGW.
1602 # On Windows, just always use the built-in implementation
1603 if host_system == 'windows'
1605 glib_conf.set('USE_LIBICONV_NATIVE', true)
1608 iconv_opt = get_option('iconv')
1609 if iconv_opt == 'libc'
1610 if cc.has_function('iconv_open')
1614 elif iconv_opt == 'gnu'
1615 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1616 glib_conf.set('USE_LIBICONV_GNU', true)
1617 libiconv = [cc.find_library('iconv')]
1620 elif iconv_opt == 'native'
1621 if cc.has_header_symbol('iconv.h', 'iconv_open')
1622 glib_conf.set('USE_LIBICONV_NATIVE', true)
1623 libiconv = [cc.find_library('iconv')]
1629 error('iconv implementation "@0@" not found'.format(iconv_opt))
1634 if get_option('internal_pcre')
1636 use_system_pcre = false
1638 pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
1640 if cc.get_id() == 'msvc'
1641 # MSVC: Search for the PCRE library by the configuration, which corresponds
1642 # to the output of CMake builds of PCRE. Note that debugoptimized
1643 # is really a Release build with .PDB files.
1644 if buildtype == 'debug'
1645 pcre = cc.find_library('pcred', required : false)
1647 pcre = cc.find_library('pcre', required : false)
1651 use_system_pcre = pcre.found()
1653 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1655 use_pcre_static_flag = false
1657 if host_system == 'windows'
1658 if not use_system_pcre
1659 use_pcre_static_flag = true
1661 pcre_static = cc.links('''#define PCRE_STATIC
1669 name : 'Windows system PCRE is a static build')
1671 use_pcre_static_flag = true
1676 libm = cc.find_library('m', required : false)
1677 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1678 if cc.get_id() != 'msvc'
1679 libz_dep = dependency('zlib', fallback : ['zlib', 'zlib_dep'])
1681 # MSVC: Don't use the bundled ZLib sources until we are sure that we can't
1682 # find the ZLib .lib
1683 libz_dep = dependency('zlib', required : false)
1685 # MSVC: Search for the ZLib .lib, which corresponds to the results of
1686 # of using ZLib's win32/makefile.msc.
1687 if not libz_dep.found()
1688 libz_dep = cc.find_library('zlib1', required : false)
1689 if not libz_dep.found()
1690 libz_dep = cc.find_library('zlib', required : false)
1691 if not libz_dep.found()
1692 libz_dep = subproject('zlib').get_variable('zlib_dep')
1698 # First check in libc, fallback to libintl, and as last chance build
1699 # proxy-libintl subproject.
1700 # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
1701 # implementations. This could be extended if issues are found in some platforms.
1702 if cc.has_function('ngettext')
1705 libintl = cc.find_library('intl', required : false)
1706 if not libintl.found()
1707 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1711 # We require gettext to always be present
1712 glib_conf.set('HAVE_DCGETTEXT', 1)
1713 glib_conf.set('HAVE_GETTEXT', 1)
1715 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1716 # xgettext is optional (on Windows for instance)
1717 xgettext = find_program('xgettext', required : false)
1719 # libmount is only used by gio, but we need to fetch the libs to generate the
1720 # pkg-config file below
1722 if host_system == 'linux' and get_option('libmount')
1723 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1724 glib_conf.set('HAVE_LIBMOUNT', 1)
1727 if host_system == 'windows'
1728 winsock2 = cc.find_library('ws2_32')
1732 if host_system == 'linux' and get_option('selinux')
1733 selinux_dep = [dependency('libselinux')]
1734 glib_conf.set('HAVE_SELINUX', 1)
1738 if host_system != 'windows' and get_option('xattr')
1739 # either glibc or libattr can provide xattr support
1740 # for both of them, we check for getxattr being in
1741 # the library and a valid xattr header.
1744 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1745 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1746 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1747 #failure. try libattr
1748 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1749 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1750 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1751 xattr_dep = [cc.find_library('xattr')]
1753 error('No getxattr implementation found in C library or libxattr')
1756 glib_conf.set('HAVE_XATTR', 1)
1757 if cc.compiles(glib_conf_prefix + '''
1759 #ifdef HAVE_SYS_TYPES_H
1760 #include <sys/types.h>
1762 #ifdef HAVE_SYS_XATTR_H
1763 #include <sys/xattr.h>
1764 #elif HAVE_ATTR_XATTR_H
1765 #include <attr/xattr.h>
1769 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1772 name : 'XATTR_NOFOLLOW')
1773 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1777 # Test if we have strlcpy/strlcat with a compatible implementation:
1778 # https://bugzilla.gnome.org/show_bug.cgi?id=53933
1780 rres = cc.run('''#include <stdlib.h>
1784 (void) strlcpy (p, "hi", 10);
1785 if (strlcat (p, "bye", 0) != 3)
1789 name : 'OpenBSD strlcpy/strlcat')
1790 if rres.compiled() and rres.returncode() == 0
1791 glib_conf.set('HAVE_STRLCPY', 1)
1793 elif meson.get_cross_property('have_strlcpy', false)
1794 glib_conf.set('HAVE_STRLCPY', 1)
1797 python = import('python3').find_python()
1799 # Determine which user environment-dependent files that we want to install
1800 have_bash = find_program('bash', required : false).found() # For completion scripts
1801 have_m4 = find_program('m4', required : false).found() # For m4 macros
1802 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1804 # FIXME: defines in config.h that are not actually used anywhere
1805 # (we add them for now to minimise the diff)
1806 glib_conf.set('HAVE_DLFCN_H', 1)
1807 glib_conf.set('STDC_HEADERS', 1)
1808 glib_conf.set('SIZEOF___INT64', 8)
1810 # FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
1811 if host_system == 'sunos'
1812 glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
1813 glib_conf.set('_XOPEN_SOURCE', 2)
1814 glib_conf.set('__EXTENSIONS__',1)
1817 # Sadly Meson does not expose this value:
1818 # https://github.com/mesonbuild/meson/pull/3460
1819 if host_system == 'windows'
1820 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
1821 # with no explanation. Do the same here for now but this could be revisited if
1823 export_dynamic_ldflags = []
1824 elif host_system == 'cygwin'
1825 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
1826 elif host_system == 'darwin'
1827 export_dynamic_ldflags = []
1829 export_dynamic_ldflags = ['-Wl,--export-dynamic']
1834 if host_system == 'windows' and cc.get_id() != 'msvc'
1835 # Ensure MSVC-compatible struct packing convention is used when
1836 # compiling for Win32 with gcc. It is used for the whole project and exposed
1838 win32_cflags = ['-mms-bitfields']
1839 add_project_arguments(win32_cflags, language : 'c')
1841 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
1842 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
1843 elif host_system == 'cygwin'
1844 win32_ldflags = ['-luser32', '-lkernel32']
1848 want_dtrace = get_option('dtrace')
1849 enable_dtrace = false
1851 # Since dtrace support is opt-in we just error out if it was requested but
1852 # is not available. We don't bother with autodetection yet.
1855 error('GLib dtrace support not yet compatible with macOS dtrace')
1857 dtrace = find_program('dtrace', required : true) # error out if not found
1858 if not cc.has_header('sys/sdt.h')
1859 error('dtrace support needs sys/sdt.h header')
1861 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1862 dtrace_obj_gen = generator(dtrace,
1863 output : '@BASENAME@.o',
1864 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1865 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1866 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1867 dtrace_hdr_gen = generator(dtrace,
1868 output : '@BASENAME@.h',
1869 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1870 glib_conf.set('HAVE_DTRACE', 1)
1871 enable_dtrace = true
1875 want_systemtap = get_option('systemtap')
1876 enable_systemtap = false
1878 if want_systemtap and enable_dtrace
1879 tapset_install_dir = get_option('tapset_install_dir')
1880 if tapset_install_dir == ''
1881 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1883 stp_cdata = configuration_data()
1884 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1885 stp_cdata.set('LT_CURRENT', minor_version * 100)
1886 stp_cdata.set('LT_REVISION', micro_version)
1887 enable_systemtap = true
1891 pkg = import('pkgconfig')
1892 windows = import('windows')
1903 # Install glib-gettextize executable, if a UNIX-style shell is found
1905 # These should not contain " quotes around the values
1906 gettexize_conf = configuration_data()
1907 gettexize_conf.set('PACKAGE', 'glib')
1908 gettexize_conf.set('VERSION', meson.project_version())
1909 gettexize_conf.set('prefix', glib_prefix)
1910 gettexize_conf.set('datarootdir', glib_datadir)
1911 gettexize_conf.set('datadir', glib_datadir)
1912 configure_file(input : 'glib-gettextize.in',
1914 install_dir : 'bin',
1915 output : 'glib-gettextize',
1916 configuration : gettexize_conf)
1920 # Install m4 macros that other projects use
1921 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1922 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1925 if host_system != 'windows'
1926 # Install Valgrind suppression file (except on Windows,
1927 # as Valgrind is currently not supported on Windows)
1928 install_data('glib.supp',
1929 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
1932 configure_file(output : 'config.h', configuration : glib_conf)
1934 if host_system == 'windows'
1935 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
1938 if get_option('man')
1939 xsltproc = find_program('xsltproc', required : true)
1940 xsltproc_command = [
1943 '--stringparam', 'man.output.quietly', '1',
1944 '--stringparam', 'funcsynopsis.style', 'ansi',
1945 '--stringparam', 'man.th.extra1.suppress', '1',
1946 '--stringparam', 'man.authors.section.enabled', '0',
1947 '--stringparam', 'man.copyright.section.enabled', '0',
1949 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
1952 man1_dir = get_option('mandir') + '/man1'
1955 gnome = import('gnome')
1956 subdir('docs/reference/glib')
1957 subdir('docs/reference/gobject')
1958 subdir('docs/reference/gio')