1 project('glib', 'c', 'cpp',
3 meson_version : '>= 0.47.0',
5 'buildtype=debugoptimized',
11 cc = meson.get_compiler('c')
12 cxx = meson.get_compiler('cpp')
14 cc_can_run = not meson.is_cross_build() or meson.has_exe_wrapper()
16 if cc.get_id() == 'msvc'
17 # Ignore several spurious warnings for things glib does very commonly
18 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
19 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
20 # NOTE: Only add warnings here if you are sure they're spurious
21 add_project_arguments('/wd4035', '/wd4715', '/wd4116',
22 '/wd4046', '/wd4068', '/wo4090', '/FImsvc_recommended_pragmas.h',language : 'c')
23 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
24 # are built with MinGW
25 noseh_link_args = ['/SAFESEH:NO']
26 # Set the input and exec encoding to utf-8, like is the default with GCC
27 add_project_arguments(cc.get_supported_arguments(['/utf-8']), language: 'c')
30 # -mms-bitfields vs -fnative-struct ?
33 host_system = host_machine.system()
35 glib_version = meson.project_version()
36 glib_api_version = '2.0'
37 version_arr = glib_version.split('.')
38 major_version = version_arr[0].to_int()
39 minor_version = version_arr[1].to_int()
40 micro_version = version_arr[2].to_int()
42 interface_age = minor_version.is_odd() ? 0 : micro_version
43 binary_age = 100 * minor_version + micro_version
46 # Maintain compatibility with previous libtool versioning
47 # current = minor * 100 + micro
48 library_version = '@0@.@1@.@2@'.format(soversion, binary_age - interface_age, interface_age)
50 configinc = include_directories('.')
51 glibinc = include_directories('glib')
52 gobjectinc = include_directories('gobject')
53 gmoduleinc = include_directories('gmodule')
54 gioinc = include_directories('gio')
56 glib_prefix = get_option('prefix')
57 glib_bindir = join_paths(glib_prefix, get_option('bindir'))
58 glib_libdir = join_paths(glib_prefix, get_option('libdir'))
59 glib_libexecdir = join_paths(glib_prefix, get_option('libexecdir'))
60 glib_datadir = join_paths(glib_prefix, get_option('datadir'))
61 glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
62 glib_includedir = join_paths(glib_prefix, get_option('includedir'))
63 glib_giomodulesdir = get_option('gio_module_dir')
64 if glib_giomodulesdir == ''
65 glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
68 glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
70 installed_tests_metadir = join_paths(glib_datadir, 'installed-tests', meson.project_name())
71 installed_tests_execdir = join_paths(glib_libexecdir, 'installed-tests', meson.project_name())
72 installed_tests_enabled = get_option('installed_tests')
73 installed_tests_template = files('template.test.in')
75 add_project_arguments('-D_GNU_SOURCE', language: 'c')
77 # Disable strict aliasing;
78 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
79 if cc.has_argument('-fno-strict-aliasing')
80 add_project_arguments('-fno-strict-aliasing', language: 'c')
83 ########################
84 # Configuration begins #
85 ########################
86 glib_conf = configuration_data()
87 glibconfig_conf = configuration_data()
89 # accumulated list of defines as we check for them, so we can easily
90 # use them later in test programs (autoconf does this automatically)
93 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
94 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
95 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
96 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
97 glib_conf.set('GLIB_BINARY_AGE', binary_age)
98 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
99 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
100 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
101 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
102 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
103 glib_conf.set_quoted('PACKAGE_URL', '')
104 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
105 glib_conf.set('ENABLE_NLS', 1)
107 # used by the .rc.in files
108 glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
110 glib_conf.set('_GNU_SOURCE', 1)
112 if host_system == 'windows'
113 # Poll doesn't work on devices on Windows
114 glib_conf.set('BROKEN_POLL', true)
117 # Check for GNU visibility attributes
118 g_have_gnuc_visibility = cc.compiles('''
120 __attribute__ ((visibility ("hidden")))
125 __attribute__ ((visibility ("internal")))
130 __attribute__ ((visibility ("protected")))
135 __attribute__ ((visibility ("default")))
148 # Not supported by MSVC, but MSVC also won't support visibility,
149 # so it's OK to pass -Werror explicitly. Replace with
150 # override_options : 'werror=true' once that is supported
152 name : 'GNU C visibility attributes test')
154 if g_have_gnuc_visibility
155 glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
158 # Detect and set symbol visibility
159 glib_hidden_visibility_args = []
160 if get_option('default_library') != 'static'
161 if host_system == 'windows'
162 glib_conf.set('DLL_EXPORT', true)
163 if cc.get_id() == 'msvc'
164 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
165 elif cc.has_argument('-fvisibility=hidden')
166 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
167 glib_hidden_visibility_args = ['-fvisibility=hidden']
169 elif cc.has_argument('-fvisibility=hidden')
170 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
171 glib_hidden_visibility_args = ['-fvisibility=hidden']
175 if host_system == 'windows' and get_option('default_library') == 'static'
176 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
177 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
180 # FIXME: what about Cygwin (G_WITH_CYGWIN)
181 if host_system == 'windows'
182 glib_os = '''#define G_OS_WIN32
183 #define G_PLATFORM_WIN32'''
185 glib_os = '#define G_OS_UNIX'
187 glibconfig_conf.set('glib_os', glib_os)
189 # We need to know the build type to determine what .lib files we need on Visual Studio
190 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
191 buildtype = get_option('buildtype')
193 glib_debug_cflags = []
194 if buildtype.startswith('debug')
195 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
196 elif buildtype == 'release'
197 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
200 add_project_arguments(glib_debug_cflags, language: 'c')
202 # check for header files
207 'dirent.h', # MSC does not come with this by default
240 'sys/time.h', # MSC does not come with this by default
256 define = 'HAVE_' + h.underscorify().to_upper()
257 glib_conf.set(define, 1)
258 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
262 # FIXME: Use cc.check_header from Meson 0.47.
263 # FreeBSD includes a malloc.h which always throw compilation error.
264 if cc.compiles('#include <malloc.h>', name : 'malloc.h')
265 glib_conf.set('HAVE_MALLOC_H', 1)
266 glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
269 if cc.has_header('linux/netlink.h')
270 glib_conf.set('HAVE_NETLINK', 1)
273 if glib_conf.has('HAVE_LOCALE_H')
274 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
275 glib_conf.set('HAVE_LC_MESSAGES', 1)
279 struct_stat_blkprefix = '''
280 #include <sys/types.h>
281 #include <sys/stat.h>
285 #ifdef HAVE_SYS_STATFS_H
286 #include <sys/statfs.h>
288 #ifdef HAVE_SYS_PARAM_H
289 #include <sys/param.h>
291 #ifdef HAVE_SYS_MOUNT_H
292 #include <sys/mount.h>
297 [ 'stat', 'st_mtimensec' ],
298 [ 'stat', 'st_mtim.tv_nsec' ],
299 [ 'stat', 'st_atimensec' ],
300 [ 'stat', 'st_atim.tv_nsec' ],
301 [ 'stat', 'st_ctimensec' ],
302 [ 'stat', 'st_ctim.tv_nsec' ],
303 [ 'stat', 'st_birthtime' ],
304 [ 'stat', 'st_birthtimensec' ],
305 [ 'stat', 'st_birthtim' ],
306 [ 'stat', 'st_birthtim.tv_nsec' ],
307 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
308 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
309 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
310 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
311 [ 'dirent', 'd_type', '''#include <sys/types.h>
312 #include <dirent.h>''' ],
313 [ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
314 [ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
315 [ 'tm', 'tm_gmtoff', '#include <time.h>' ],
316 [ 'tm', '__tm_gmtoff', '#include <time.h>' ],
319 foreach m : struct_members
320 header_check_prefix = glib_conf_prefix
322 header_check_prefix = header_check_prefix + m[2]
324 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
326 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
327 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
328 glib_conf.set(define, 1)
329 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
335 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
338 '-Wduplicated-branches',
339 '-Wmisleading-indentation',
340 '-Wstrict-prototypes',
342 # Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
343 # building with -Wbad-function-cast.
344 '-Wno-bad-function-cast',
345 '-Werror=declaration-after-statement',
347 '-Werror=format-security',
348 '-Werror=implicit-function-declaration',
350 '-Werror=missing-include-dirs',
351 '-Werror=missing-prototypes',
352 '-Werror=pointer-arith',
357 if get_option('bsymbolic_functions')
358 test_c_link_args += ['-Wl,-Bsymbolic-functions']
362 test_c_link_args = []
365 add_project_arguments(cc.get_supported_arguments(test_c_args), language: 'c')
367 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
368 # means we cannot use that flag in add_project_link_arguments(), and must add
369 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
370 # because that is what the autotools build did.
371 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
373 glib_link_flags = cc.get_supported_link_arguments(test_c_link_args)
375 # Windows Support (7+)
376 if host_system == 'windows'
377 glib_conf.set('_WIN32_WINNT', '0x0601')
440 if glib_conf.has('HAVE_SYS_STATVFS_H')
441 functions += ['statvfs']
443 have_func_statvfs = false
445 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
446 functions += ['statfs']
448 have_func_statfs = false
451 if host_system == 'windows'
452 iphlpapi_dep = cc.find_library('iphlpapi')
453 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
454 foreach ifunc : iphlpapi_funcs
455 iphl_prefix = '''#define _WIN32_WINNT @0@
456 #include <winsock2.h>
457 #include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
458 if cc.has_function(ifunc,
459 prefix : iphl_prefix,
460 dependencies : iphlpapi_dep)
461 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
462 glib_conf.set(idefine, 1)
463 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
464 set_variable('have_func_' + ifunc, true)
466 set_variable('have_func_' + ifunc, false)
470 functions += ['if_indextoname', 'if_nametoindex']
473 # AIX splice is something else
474 if host_system != 'aix'
475 functions += ['splice']
478 foreach f : functions
479 if cc.has_function(f)
480 define = 'HAVE_' + f.underscorify().to_upper()
481 glib_conf.set(define, 1)
482 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
483 set_variable('have_func_' + f, true)
485 set_variable('have_func_' + f, false)
489 # Check that stpcpy() is usable; must use header
490 if cc.has_function('stpcpy', prefix : '#include <string.h>')
491 glib_conf.set('HAVE_STPCPY', 1)
494 # Check that posix_memalign() is usable; must use header
495 if cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
496 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
499 # Check that posix_spawn() is usable; must use header
500 if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
501 glib_conf.set('HAVE_POSIX_SPAWN', 1)
504 # Check whether strerror_r returns char *
505 if have_func_strerror_r
506 if cc.compiles('''#define _GNU_SOURCE
509 char error_string[256];
510 char *ptr = strerror_r (-2, error_string, 256);
511 char c = *strerror_r (-2, error_string, 256);
512 return c != 0 && ptr != (void*) 0L;
515 name : 'strerror_r() returns char *')
516 glib_conf.set('STRERROR_R_CHAR_P', 1,
517 description: 'Defined if strerror_r returns char *')
521 # Special-case these functions that have alternative names on Windows/MSVC
522 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
523 glib_conf.set('HAVE_SNPRINTF', 1)
524 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
525 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
526 hack_define = '1\n#define snprintf _snprintf'
527 glib_conf.set('HAVE_SNPRINTF', hack_define)
528 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
531 if cc.has_function('strcasecmp')
532 glib_conf.set('HAVE_STRCASECMP', 1)
533 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
534 elif cc.has_function('_stricmp')
535 hack_define = '1\n#define strcasecmp _stricmp'
536 glib_conf.set('HAVE_STRCASECMP', hack_define)
537 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
540 if cc.has_function('strncasecmp')
541 glib_conf.set('HAVE_STRNCASECMP', 1)
542 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
543 elif cc.has_function('_strnicmp')
544 hack_define = '1\n#define strncasecmp _strnicmp'
545 glib_conf.set('HAVE_STRNCASECMP', hack_define)
546 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
549 if cc.has_header_symbol('sys/sysmacros.h', 'major')
550 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
551 elif cc.has_header_symbol('sys/mkdev.h', 'major')
552 glib_conf.set('MAJOR_IN_MKDEV', 1)
553 elif cc.has_header_symbol('sys/types.h', 'major')
554 glib_conf.set('MAJOR_IN_TYPES', 1)
557 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
558 glib_conf.set('HAVE_RTLD_LAZY', 1)
561 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
562 glib_conf.set('HAVE_RTLD_NOW', 1)
565 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
566 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
569 # Check whether to use statfs or statvfs
570 # Some systems have both statfs and statvfs, pick the most "native" for these
571 if have_func_statfs and have_func_statvfs
572 # on solaris and irix, statfs doesn't even have the f_bavail field
573 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
574 have_func_statfs = false
576 # at least on linux, statfs is the actual syscall
577 have_func_statvfs = false
581 glib_conf.set('USE_STATFS', 1)
582 stat_func_to_use = 'statfs'
583 elif have_func_statvfs
584 glib_conf.set('USE_STATVFS', 1)
585 stat_func_to_use = 'statvfs'
587 stat_func_to_use = 'neither'
589 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
591 if host_system == 'linux'
592 if cc.has_function('mkostemp',
593 prefix: '''#define _GNU_SOURCE
594 #include <stdlib.h>''')
595 glib_conf.set('HAVE_MKOSTEMP', 1)
600 glib_have_os_x_9_or_later = false
601 glib_have_carbon = false
602 glib_have_cocoa = false
603 if host_system == 'darwin'
604 add_languages('objc')
605 objcc = meson.get_compiler('objc')
607 osx_ldflags += ['-Wl,-framework,CoreFoundation']
609 # Mac OS X Carbon support
610 glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
611 #include <CoreServices/CoreServices.h>''',
612 name : 'Mac OS X Carbon support')
615 glib_conf.set('HAVE_CARBON', true)
616 osx_ldflags += '-Wl,-framework,Carbon'
617 glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
618 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
619 #error Compiling for minimum OS X version before 10.9
621 name : 'OS X 9 or later')
624 # Mac OS X Cocoa support
625 glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
626 #ifdef GNUSTEP_BASE_VERSION
627 #error "Detected GNUstep, not Cocoa"
629 name : 'Mac OS X Cocoa support')
632 glib_conf.set('HAVE_COCOA', true)
633 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
636 # FIXME: libgio mix C and objC source files and there is no way to reliably
637 # know which language flags it's going to use to link. Add to both languages
638 # for now. See https://github.com/mesonbuild/meson/issues/3585.
639 add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
643 if cc.links('''#include <linux/futex.h>
644 #include <sys/syscall.h>
646 int main (int argc, char ** argv) {
647 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
649 }''', name : 'futex(2) system call')
650 glib_conf.set('HAVE_FUTEX', 1)
653 # Check for eventfd(2)
654 if cc.links('''#include <sys/eventfd.h>
656 int main (int argc, char ** argv) {
657 eventfd (0, EFD_CLOEXEC);
659 }''', name : 'eventfd(2) system call')
660 glib_conf.set('HAVE_EVENTFD', 1)
663 clock_gettime_test_code = '''
666 int main (int argc, char ** argv) {
667 return clock_gettime(CLOCK_REALTIME, &t);
670 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
671 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
672 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
673 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
674 librt = cc.find_library('rt')
677 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
679 if cc.compiles(glib_conf_prefix + '''
681 #ifdef HAVE_SYS_PARAM_H
682 #include <sys/param.h>
684 #ifdef HAVE_SYS_VFS_H
687 #ifdef HAVE_SYS_MOUNT_H
688 #include <sys/mount.h>
690 #ifdef HAVE_SYS_STATFS_H
691 #include <sys/statfs.h>
693 void some_func (void) {
696 }''', name : 'number of arguments to statfs() (n=2)')
697 glib_conf.set('STATFS_ARGS', 2)
698 elif cc.compiles(glib_conf_prefix + '''
700 #ifdef HAVE_SYS_PARAM_H
701 #include <sys/param.h>
703 #ifdef HAVE_SYS_VFS_H
706 #ifdef HAVE_SYS_MOUNT_H
707 #include <sys/mount.h>
709 #ifdef HAVE_SYS_STATFS_H
710 #include <sys/statfs.h>
712 void some_func (void) {
714 statfs("/", &st, sizeof (st), 0);
715 }''', name : 'number of arguments to statfs() (n=4)')
716 glib_conf.set('STATFS_ARGS', 4)
718 error('Unable to determine number of arguments to statfs()')
722 # open takes O_DIRECTORY as an option
724 if cc.compiles('''#include <fcntl.h>
725 #include <sys/types.h>
726 #include <sys/stat.h>],
727 void some_func (void) {
728 open(0, O_DIRECTORY, 0);
729 }''', name : 'open() option O_DIRECTORY')
730 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
733 # Check whether there is a vsnprintf() function with C99 semantics installed.
734 # AC_FUNC_VSNPRINTF_C99
735 # Check whether there is a snprintf() function with C99 semantics installed.
736 # AC_FUNC_SNPRINTF_C99
738 have_good_vsnprintf = false
739 have_good_snprintf = false
741 if host_system == 'windows' and cc.get_id() == 'msvc'
742 # Unfortunately the Visual Studio 2015+ implementations of C99-style
743 # snprintf and vsnprintf don't seem to be quite good enough.
744 # (Sorry, I don't know exactly what is the problem,
745 # but it is related to floating point formatting and decimal point vs. comma.)
746 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
747 # rigorous enough to notice, though.
748 glib_conf.set('HAVE_C99_SNPRINTF', false)
749 glib_conf.set('HAVE_C99_VSNPRINTF', false)
751 vsnprintf_c99_test_code = '''
763 r = vsnprintf(buffer, 5, s, args);
769 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
770 implementation. The above will return 7 but if you replace
771 the size of the buffer with 0, it borks! */
773 r = vsnprintf(buffer, 0, s, args);
790 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
791 if rres.compiled() and rres.returncode() == 0
792 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
793 have_good_vsnprintf = true
796 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
797 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
800 snprintf_c99_test_code = '''
811 r = snprintf(buffer, 5, "1234567");
816 r = snprintf(buffer, 0, "1234567");
821 r = snprintf(NULL, 0, "1234567");
837 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
838 if rres.compiled() and rres.returncode() == 0
839 glib_conf.set('HAVE_C99_SNPRINTF', 1)
840 have_good_snprintf = true
843 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
844 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
848 if host_system == 'windows'
849 glib_conf.set_quoted('EXEEXT', '.exe')
851 glib_conf.set('EXEEXT', '')
854 if have_good_vsnprintf and have_good_snprintf
855 # Our printf is 'good' only if vsnpintf()/snprintf() supports C99 well enough
856 glib_conf.set('HAVE_GOOD_PRINTF', 1) # FIXME: Check for HAVE_UNIX98_PRINTF?
858 glib_conf.set('HAVE_VASPRINTF', 1)
861 # Check whether the printf() family supports Unix98 %n$ positional parameters
862 # AC_FUNC_PRINTF_UNIX98
863 # Nothing uses HAVE_UNIX98_PRINTF
866 # Check for nl_langinfo and CODESET
867 # FIXME: Check for HAVE_BIND_TEXTDOMAIN_CODESET
868 if cc.links('''#include <langinfo.h>
869 int main (int argc, char ** argv) {
870 char *codeset = nl_langinfo (CODESET);
872 }''', name : 'nl_langinfo and CODESET')
873 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
874 glib_conf.set('HAVE_CODESET', 1)
877 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
878 if cc.links('''#include <langinfo.h>
879 int main (int argc, char ** argv) {
881 str = nl_langinfo (PM_STR);
882 str = nl_langinfo (D_T_FMT);
883 str = nl_langinfo (D_FMT);
884 str = nl_langinfo (T_FMT);
885 str = nl_langinfo (T_FMT_AMPM);
886 str = nl_langinfo (MON_1);
887 str = nl_langinfo (ABMON_12);
888 str = nl_langinfo (DAY_1);
889 str = nl_langinfo (ABDAY_7);
891 }''', name : 'nl_langinfo (PM_STR)')
892 glib_conf.set('HAVE_LANGINFO_TIME', 1)
894 if cc.links('''#include <langinfo.h>
895 int main (int argc, char ** argv) {
897 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
898 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
899 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
900 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
901 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
902 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
903 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
904 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
905 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
906 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
908 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
909 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
912 # Check for nl_langinfo and alternative month names
913 if cc.links('''#ifndef _GNU_SOURCE
916 #include <langinfo.h>
917 int main (int argc, char ** argv) {
919 str = nl_langinfo (ALTMON_1);
920 str = nl_langinfo (ALTMON_2);
921 str = nl_langinfo (ALTMON_3);
922 str = nl_langinfo (ALTMON_4);
923 str = nl_langinfo (ALTMON_5);
924 str = nl_langinfo (ALTMON_6);
925 str = nl_langinfo (ALTMON_7);
926 str = nl_langinfo (ALTMON_8);
927 str = nl_langinfo (ALTMON_9);
928 str = nl_langinfo (ALTMON_10);
929 str = nl_langinfo (ALTMON_11);
930 str = nl_langinfo (ALTMON_12);
932 }''', name : 'nl_langinfo (ALTMON_n)')
933 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
936 # Check for nl_langinfo and abbreviated alternative month names
937 if cc.links('''#ifndef _GNU_SOURCE
940 #include <langinfo.h>
941 int main (int argc, char ** argv) {
943 str = nl_langinfo (_NL_ALTMON_1);
944 str = nl_langinfo (_NL_ALTMON_2);
945 str = nl_langinfo (_NL_ALTMON_3);
946 str = nl_langinfo (_NL_ALTMON_4);
947 str = nl_langinfo (_NL_ALTMON_5);
948 str = nl_langinfo (_NL_ALTMON_6);
949 str = nl_langinfo (_NL_ALTMON_7);
950 str = nl_langinfo (_NL_ALTMON_8);
951 str = nl_langinfo (_NL_ALTMON_9);
952 str = nl_langinfo (_NL_ALTMON_10);
953 str = nl_langinfo (_NL_ALTMON_11);
954 str = nl_langinfo (_NL_ALTMON_12);
956 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
957 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
960 # Check if C compiler supports the 'signed' keyword
961 if not cc.compiles('''signed char x;''', name : 'signed')
962 glib_conf.set('signed', '/* NOOP */')
965 # Check if the ptrdiff_t type exists
966 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
967 glib_conf.set('HAVE_PTRDIFF_T', 1)
970 # Check for sig_atomic_t type
971 if cc.links('''#include <signal.h>
972 #include <sys/types.h>
973 sig_atomic_t val = 42;
974 int main (int argc, char ** argv) {
975 return val == 42 ? 0 : 1;
976 }''', name : 'sig_atomic_t')
977 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
980 # Check if 'long long' works
981 # jm_AC_TYPE_LONG_LONG
982 if cc.compiles('''long long ll = 1LL;
984 int some_func (void) {
985 long long llmax = (long long) -1;
986 return ll << i | ll >> i | llmax / ll | llmax % ll;
987 }''', name : 'long long')
988 glib_conf.set('HAVE_LONG_LONG', 1)
989 have_long_long = true
991 have_long_long = false
994 # Test whether the compiler supports the 'long double' type.
995 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
996 long double foo = 0.0;
997 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
998 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
999 name : 'long double')
1000 glib_conf.set('HAVE_LONG_DOUBLE', 1)
1003 # Test whether <stddef.h> has the 'wchar_t' type.
1004 if cc.has_header_symbol('stddef.h', 'wchar_t')
1005 glib_conf.set('HAVE_WCHAR_T', 1)
1008 # Test whether <wchar.h> has the 'wint_t' type.
1009 if cc.has_header_symbol('wchar.h', 'wint_t')
1010 glib_conf.set('HAVE_WINT_T', 1)
1013 found_uintmax_t = false
1015 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
1016 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1017 # jm_AC_HEADER_INTTYPES_H
1018 if cc.compiles('''#include <sys/types.h>
1019 #include <inttypes.h>
1020 void some_func (void) {
1021 uintmax_t i = (uintmax_t) -1;
1022 }''', name : 'uintmax_t in inttypes.h')
1023 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1024 found_uintmax_t = true
1027 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1028 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1029 # jm_AC_HEADER_STDINT_H
1030 if cc.compiles('''#include <sys/types.h>
1032 void some_func (void) {
1033 uintmax_t i = (uintmax_t) -1;
1034 }''', name : 'uintmax_t in stdint.h')
1035 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1036 found_uintmax_t = true
1039 # Define intmax_t to 'long' or 'long long'
1040 # if it is not already defined in <stdint.h> or <inttypes.h>.
1041 # For simplicity, we assume that a header file defines 'intmax_t' if and
1042 # only if it defines 'uintmax_t'.
1044 glib_conf.set('HAVE_INTMAX_T', 1)
1046 glib_conf.set('intmax_t', 'long long')
1048 glib_conf.set('intmax_t', 'long')
1051 char_size = cc.sizeof('char')
1052 short_size = cc.sizeof('short')
1053 int_size = cc.sizeof('int')
1054 voidp_size = cc.sizeof('void*')
1055 long_size = cc.sizeof('long')
1057 long_long_size = cc.sizeof('long long')
1061 sizet_size = cc.sizeof('size_t')
1062 if cc.get_id() == 'msvc'
1063 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1065 ssizet_size = cc.sizeof('ssize_t')
1069 char_align = cc.alignment('char')
1070 short_align = cc.alignment('short')
1071 int_align = cc.alignment('int')
1072 voidp_align = cc.alignment('void*')
1073 long_align = cc.alignment('long')
1074 long_long_align = cc.alignment('long long')
1075 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1076 # be 64-bit in C99, and it is available on all supported compilers
1077 sizet_align = cc.alignment('size_t')
1079 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1081 glib_conf.set('SIZEOF_CHAR', char_size)
1082 glib_conf.set('SIZEOF_INT', int_size)
1083 glib_conf.set('SIZEOF_SHORT', short_size)
1084 glib_conf.set('SIZEOF_LONG', long_size)
1085 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1086 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1087 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1088 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1101 error('Compiler provides no native 16-bit integer type')
1103 glibconfig_conf.set('gint16', gint16)
1104 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1105 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1106 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1113 guint32_align = short_align
1119 guint32_align = int_align
1125 guint32_align = long_align
1127 error('Compiler provides no native 32-bit integer type')
1129 glibconfig_conf.set('gint32', gint32)
1130 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1131 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1132 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1133 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1141 gint64_constant='(val)'
1142 guint64_constant='(val)'
1143 guint64_align = int_align
1150 gint64_constant='(val##L)'
1151 guint64_constant='(val##UL)'
1152 guint64_align = long_align
1153 elif long_long_size == 8
1154 gint64 = 'long long'
1155 glib_extension='G_GNUC_EXTENSION '
1156 gint64_modifier=int64_m
1157 gint64_format=int64_m + 'i'
1158 guint64_format=int64_m + 'u'
1159 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1160 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1161 guint64_align = long_long_align
1163 error('Compiler provides no native 64-bit integer type')
1165 glibconfig_conf.set('glib_extension', glib_extension)
1166 glibconfig_conf.set('gint64', gint64)
1167 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1168 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1169 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1170 glibconfig_conf.set('gint64_constant', gint64_constant)
1171 glibconfig_conf.set('guint64_constant', guint64_constant)
1172 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1174 if host_system == 'windows'
1175 glibconfig_conf.set('g_pid_type', 'void*')
1176 glibconfig_conf.set_quoted('g_pid_format', 'p')
1177 if host_machine.cpu_family() == 'x86_64'
1178 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1180 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1182 glibconfig_conf.set('g_dir_separator', '\\\\')
1183 glibconfig_conf.set('g_searchpath_separator', ';')
1185 glibconfig_conf.set('g_pid_type', 'int')
1186 glibconfig_conf.set_quoted('g_pid_format', 'i')
1187 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1188 glibconfig_conf.set('g_dir_separator', '/')
1189 glibconfig_conf.set('g_searchpath_separator', ':')
1192 if sizet_size == short_size
1193 glibconfig_conf.set('glib_size_type_define', 'short')
1194 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1195 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1196 glibconfig_conf.set_quoted('gsize_format', 'hu')
1197 glibconfig_conf.set_quoted('gssize_format', 'hi')
1198 glibconfig_conf.set('glib_msize_type', 'SHRT')
1199 elif sizet_size == int_size
1200 glibconfig_conf.set('glib_size_type_define', 'int')
1201 glibconfig_conf.set_quoted('gsize_modifier', '')
1202 glibconfig_conf.set_quoted('gssize_modifier', '')
1203 glibconfig_conf.set_quoted('gsize_format', 'u')
1204 glibconfig_conf.set_quoted('gssize_format', 'i')
1205 glibconfig_conf.set('glib_msize_type', 'INT')
1206 elif sizet_size == long_size
1207 glibconfig_conf.set('glib_size_type_define', 'long')
1208 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1209 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1210 glibconfig_conf.set_quoted('gsize_format', 'lu')
1211 glibconfig_conf.set_quoted('gssize_format', 'li')
1212 glibconfig_conf.set('glib_msize_type', 'LONG')
1213 elif sizet_size == long_long_size
1214 glibconfig_conf.set('glib_size_type_define', 'long long')
1215 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1216 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1217 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1218 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1219 glibconfig_conf.set('glib_msize_type', 'INT64')
1221 error('Could not determine size of size_t.')
1224 if voidp_size == int_size
1225 glibconfig_conf.set('glib_intptr_type_define', 'int')
1226 glibconfig_conf.set_quoted('gintptr_modifier', '')
1227 glibconfig_conf.set_quoted('gintptr_format', 'i')
1228 glibconfig_conf.set_quoted('guintptr_format', 'u')
1229 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1230 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1231 elif voidp_size == long_size
1232 glibconfig_conf.set('glib_intptr_type_define', 'long')
1233 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1234 glibconfig_conf.set_quoted('gintptr_format', 'li')
1235 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1236 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1237 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1238 elif voidp_size == long_long_size
1239 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1240 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1241 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1242 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1243 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1244 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1246 error('Could not determine size of void *')
1249 if long_size != 8 and long_long_size != 8 and int_size != 8
1250 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1253 glibconfig_conf.set('gintbits', int_size * 8)
1254 glibconfig_conf.set('glongbits', long_size * 8)
1255 glibconfig_conf.set('gsizebits', sizet_size * 8)
1256 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1258 # FIXME: maybe meson should tell us the libsuffix?
1259 if host_system == 'windows'
1260 g_module_suffix = 'dll'
1261 elif host_system == 'darwin'
1262 g_module_suffix = 'dylib'
1264 g_module_suffix = 'so'
1266 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1268 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1269 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1270 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1271 glibconfig_conf.set('GLIB_VERSION', glib_version)
1273 glibconfig_conf.set('glib_void_p', voidp_size)
1274 glibconfig_conf.set('glib_long', long_size)
1275 glibconfig_conf.set('glib_size_t', sizet_size)
1276 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1277 if host_machine.endian() == 'big'
1278 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1279 glibconfig_conf.set('g_bs_native', 'BE')
1280 glibconfig_conf.set('g_bs_alien', 'LE')
1282 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1283 glibconfig_conf.set('g_bs_native', 'LE')
1284 glibconfig_conf.set('g_bs_alien', 'BE')
1287 # === va_copy checks ===
1288 # we currently check for all three va_copy possibilities, so we get
1289 # all results in config.log for bug reports.
1292 foreach try_func : [ '__va_copy', 'va_copy' ]
1293 if cc.compiles('''#include <stdarg.h>
1296 # include "msvc_recommended_pragmas.h"
1298 void f (int i, ...) {
1299 va_list args1, args2;
1300 va_start (args1, i);
1302 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1304 va_end (args1); va_end (args2);
1309 }'''.format(try_func),
1310 name : try_func + ' check')
1311 va_copy_func = try_func
1314 if va_copy_func != ''
1315 glib_conf.set('G_VA_COPY', va_copy_func)
1316 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1318 glib_vacopy = '/* #undef G_VA_COPY */'
1321 va_list_val_copy_prog = '''
1324 void f (int i, ...) {
1325 va_list args1, args2;
1326 va_start (args1, i);
1328 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1330 va_end (args1); va_end (args2);
1338 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1339 glib_va_val_copy = rres.returncode() == 0
1341 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1343 if not glib_va_val_copy
1344 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1345 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1347 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1349 # check for flavours of varargs macros
1350 g_have_iso_c_varargs = cc.compiles('''
1351 void some_func (void) {
1352 int a(int p1, int p2, int p3);
1353 #define call_a(...) a(1,__VA_ARGS__)
1355 }''', name : 'ISO C99 varargs macros in C')
1357 if g_have_iso_c_varargs
1358 glibconfig_conf.set('g_have_iso_c_varargs', '''
1360 # define G_HAVE_ISO_VARARGS 1
1364 g_have_iso_cxx_varargs = cxx.compiles('''
1365 void some_func (void) {
1366 int a(int p1, int p2, int p3);
1367 #define call_a(...) a(1,__VA_ARGS__)
1369 }''', name : 'ISO C99 varargs macros in C++')
1371 if g_have_iso_cxx_varargs
1372 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1374 # define G_HAVE_ISO_VARARGS 1
1378 g_have_gnuc_varargs = cc.compiles('''
1379 void some_func (void) {
1380 int a(int p1, int p2, int p3);
1381 #define call_a(params...) a(1,params)
1383 }''', name : 'GNUC varargs macros')
1385 if cc.has_header('alloca.h')
1386 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1388 has_syspoll = cc.has_header('sys/poll.h')
1389 has_systypes = cc.has_header('sys/types.h')
1391 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1393 has_winsock2 = cc.has_header('winsock2.h')
1395 if has_syspoll and has_systypes
1397 #include<sys/poll.h>
1398 #include<sys/types.h>'''
1401 #define _WIN32_WINNT @0@
1402 #include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
1405 error('FIX POLL* defines')
1409 [ 'POLLIN', 'g_pollin', 1 ],
1410 [ 'POLLOUT', 'g_pollout', 4 ],
1411 [ 'POLLPRI', 'g_pollpri', 2 ],
1412 [ 'POLLERR', 'g_pollerr', 8 ],
1413 [ 'POLLHUP', 'g_pollhup', 16 ],
1414 [ 'POLLNVAL', 'g_pollnval', 32 ],
1417 if has_syspoll and has_systypes
1418 foreach d : poll_defines
1419 val = cc.compute_int(d[0], prefix: poll_includes)
1420 glibconfig_conf.set(d[1], val)
1423 # Due to a missed bug in configure.ac the poll test
1424 # never succeeded on Windows and used some pre-defined
1425 # values as a fallback. Keep using them to maintain
1426 # ABI compatibility with autotools builds of glibs
1427 # and with *any* glib-using code compiled against them,
1428 # since these values end up in a public header glibconfig.h.
1429 foreach d : poll_defines
1430 glibconfig_conf.set(d[1], d[2])
1434 # Internet address families
1435 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1436 if host_system == 'windows'
1438 #include <winsock2.h>'''
1441 #include <sys/types.h>
1442 #include <sys/socket.h>'''
1446 [ 'AF_UNIX', 'g_af_unix' ],
1447 [ 'AF_INET', 'g_af_inet' ],
1448 [ 'AF_INET6', 'g_af_inet6' ],
1449 [ 'MSG_OOB', 'g_msg_oob' ],
1450 [ 'MSG_PEEK', 'g_msg_peek' ],
1451 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1453 foreach d : inet_defines
1454 val = cc.compute_int(d[0], prefix: inet_includes)
1455 glibconfig_conf.set(d[1], val)
1458 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', true) # FIXME!
1460 # We need a more robust approach here...
1461 host_cpu_family = host_machine.cpu_family()
1462 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')
1463 glib_memory_barrier_needed = false
1464 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1465 glib_memory_barrier_needed = true
1467 warning('Unknown host cpu: ' + host_cpu_family)
1468 glib_memory_barrier_needed = true
1470 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1472 # We need to decide at configure time if GLib will use real atomic
1473 # operations ("lock free") or emulated ones with a mutex. This is
1474 # because we must put this information in glibconfig.h so we know if
1475 # it is safe or not to inline using compiler intrinsics directly from
1478 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1479 # user is interested in knowing if they can use the atomic ops across
1482 # We can currently support the atomic ops natively when building GLib
1483 # with recent versions of GCC or MSVC.
1485 # Note that the atomic ops are only available with GCC on x86 when
1486 # using -march=i486 or higher. If we detect that the atomic ops are
1487 # not available but would be available given the right flags, we want
1488 # to abort and advise the user to fix their CFLAGS. It's better to do
1489 # that then to silently fall back on emulated atomic ops just because
1490 # the user had the wrong build environment.
1491 atomictest = '''int main() {
1492 volatile int atomic = 2;
1493 __sync_bool_compare_and_swap (&atomic, 2, 3);
1499 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1500 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1504 # We know that we can always use real ("lock free") atomic operations with MSVC
1505 if cc.get_id() == 'msvc' or cc.links(atomictest, name : 'atomic ops')
1506 have_atomic_lock_free = true
1507 if host_system == 'android' and not cc.compiles(atomicdefine, name : 'atomic ops define')
1508 # When building for armv5 on Android, gcc 4.9 provides
1509 # __sync_bool_compare_and_swap but doesn't define
1510 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1511 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1514 have_atomic_lock_free = false
1515 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1516 error('GLib must be built with -march=i486 or later.')
1519 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1523 # Determination of thread implementation
1524 if host_system == 'windows' and not get_option('force_posix_threads')
1526 threads_implementation = 'win32'
1527 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1528 glib_conf.set('THREADS_WIN32', 1)
1530 thread_dep = dependency('threads')
1531 threads_implementation = 'posix'
1532 pthread_prefix = '''
1534 # define _GNU_SOURCE
1536 #include <pthread.h>'''
1537 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1538 glib_conf.set('THREADS_POSIX', 1)
1539 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1540 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1542 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1543 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1545 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1546 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1548 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1549 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1551 # Assume that pthread_setname_np is available in some form; same as configure
1552 if cc.links(pthread_prefix + '''
1554 pthread_setname_np("example");
1557 name : 'pthread_setname_np(const char*)',
1558 dependencies : thread_dep)
1560 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1561 elif cc.links(pthread_prefix + '''
1563 pthread_setname_np(pthread_self(), "example");
1566 name : 'pthread_setname_np(pthread_t, const char*)',
1567 dependencies : thread_dep)
1568 # Linux, Solaris, etc.
1569 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1573 # FIXME: we should make it print the result and always return 0, so that
1574 # the output in meson shows up as green
1575 stack_grows_check_prog = '''
1576 volatile int *a = 0, *b = 0;
1588 return b > a ? 0 : 1;
1592 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1593 growing_stack = rres.returncode() == 0
1595 growing_stack = meson.get_cross_property('growing_stack', false)
1598 glibconfig_conf.set('G_HAVE_GROWING_STACK', growing_stack)
1602 # USE_LIBICONV_GNU: Using GNU libiconv
1603 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1605 # We should never use the MinGW C library's iconv. On Windows we use the
1606 # GNU implementation that ships with MinGW.
1608 # On Windows, just always use the built-in implementation
1609 if host_system == 'windows'
1611 glib_conf.set('USE_LIBICONV_NATIVE', true)
1614 iconv_opt = get_option('iconv')
1615 if iconv_opt == 'libc'
1616 if cc.has_function('iconv_open')
1620 elif iconv_opt == 'gnu'
1621 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1622 glib_conf.set('USE_LIBICONV_GNU', true)
1623 libiconv = [cc.find_library('iconv')]
1626 elif iconv_opt == 'native'
1627 if cc.has_header_symbol('iconv.h', 'iconv_open')
1628 glib_conf.set('USE_LIBICONV_NATIVE', true)
1629 libiconv = [cc.find_library('iconv')]
1635 error('iconv implementation "@0@" not found'.format(iconv_opt))
1640 if get_option('internal_pcre')
1642 use_system_pcre = false
1644 pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
1646 if cc.get_id() == 'msvc'
1647 # MSVC: Search for the PCRE library by the configuration, which corresponds
1648 # to the output of CMake builds of PCRE. Note that debugoptimized
1649 # is really a Release build with .PDB files.
1650 if buildtype == 'debug'
1651 pcre = cc.find_library('pcred', required : false)
1653 pcre = cc.find_library('pcre', required : false)
1657 use_system_pcre = pcre.found()
1659 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1661 use_pcre_static_flag = false
1663 if host_system == 'windows'
1664 if not use_system_pcre
1665 use_pcre_static_flag = true
1667 pcre_static = cc.links('''#define PCRE_STATIC
1675 name : 'Windows system PCRE is a static build')
1677 use_pcre_static_flag = true
1682 libm = cc.find_library('m', required : false)
1683 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1684 if cc.get_id() != 'msvc'
1685 libz_dep = dependency('zlib', fallback : ['zlib', 'zlib_dep'])
1687 # MSVC: Don't use the bundled ZLib sources until we are sure that we can't
1688 # find the ZLib .lib
1689 libz_dep = dependency('zlib', required : false)
1691 # MSVC: Search for the ZLib .lib, which corresponds to the results of
1692 # of using ZLib's win32/makefile.msc.
1693 if not libz_dep.found()
1694 libz_dep = cc.find_library('zlib1', required : false)
1695 if not libz_dep.found()
1696 libz_dep = cc.find_library('zlib', required : false)
1697 if not libz_dep.found()
1698 libz_dep = subproject('zlib').get_variable('zlib_dep')
1704 # First check in libc, fallback to libintl, and as last chance build
1705 # proxy-libintl subproject.
1706 # FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
1707 # implementations. This could be extended if issues are found in some platforms.
1708 if cc.has_function('ngettext')
1711 libintl = cc.find_library('intl', required : false)
1712 if not libintl.found()
1713 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1717 # We require gettext to always be present
1718 glib_conf.set('HAVE_DCGETTEXT', 1)
1719 glib_conf.set('HAVE_GETTEXT', 1)
1721 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1722 # xgettext is optional (on Windows for instance)
1723 xgettext = find_program('xgettext', required : false)
1725 # libmount is only used by gio, but we need to fetch the libs to generate the
1726 # pkg-config file below
1728 if host_system == 'linux' and get_option('libmount')
1729 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1730 glib_conf.set('HAVE_LIBMOUNT', 1)
1733 if host_system == 'windows'
1734 winsock2 = cc.find_library('ws2_32')
1738 if host_system == 'linux' and get_option('selinux')
1739 selinux_dep = [dependency('libselinux')]
1740 glib_conf.set('HAVE_SELINUX', 1)
1744 if host_system != 'windows' and get_option('xattr')
1745 # either glibc or libattr can provide xattr support
1746 # for both of them, we check for getxattr being in
1747 # the library and a valid xattr header.
1750 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1751 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1752 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1753 #failure. try libattr
1754 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1755 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1756 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1757 xattr_dep = [cc.find_library('xattr')]
1759 error('No getxattr implementation found in C library or libxattr')
1762 glib_conf.set('HAVE_XATTR', 1)
1763 if cc.compiles(glib_conf_prefix + '''
1765 #ifdef HAVE_SYS_TYPES_H
1766 #include <sys/types.h>
1768 #ifdef HAVE_SYS_XATTR_H
1769 #include <sys/xattr.h>
1770 #elif HAVE_ATTR_XATTR_H
1771 #include <attr/xattr.h>
1775 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1778 name : 'XATTR_NOFOLLOW')
1779 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1783 # Test if we have strlcpy/strlcat with a compatible implementation:
1784 # https://bugzilla.gnome.org/show_bug.cgi?id=53933
1786 rres = cc.run('''#include <stdlib.h>
1790 (void) strlcpy (p, "hi", 10);
1791 if (strlcat (p, "bye", 0) != 3)
1795 name : 'OpenBSD strlcpy/strlcat')
1796 if rres.compiled() and rres.returncode() == 0
1797 glib_conf.set('HAVE_STRLCPY', 1)
1799 elif meson.get_cross_property('have_strlcpy', false)
1800 glib_conf.set('HAVE_STRLCPY', 1)
1803 python = import('python').find_installation('python3')
1804 # used for '#!/usr/bin/env <name>'
1805 python_name = 'python3'
1807 # Determine which user environment-dependent files that we want to install
1808 have_bash = find_program('bash', required : false).found() # For completion scripts
1809 have_m4 = find_program('m4', required : false).found() # For m4 macros
1810 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1812 # FIXME: defines in config.h that are not actually used anywhere
1813 # (we add them for now to minimise the diff)
1814 glib_conf.set('HAVE_DLFCN_H', 1)
1815 glib_conf.set('STDC_HEADERS', 1)
1816 glib_conf.set('SIZEOF___INT64', 8)
1818 # FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
1819 if host_system == 'sunos'
1820 glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
1821 glib_conf.set('_XOPEN_SOURCE', 2)
1822 glib_conf.set('__EXTENSIONS__',1)
1825 # Sadly Meson does not expose this value:
1826 # https://github.com/mesonbuild/meson/pull/3460
1827 if host_system == 'windows'
1828 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
1829 # with no explanation. Do the same here for now but this could be revisited if
1831 export_dynamic_ldflags = []
1832 elif host_system == 'cygwin'
1833 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
1834 elif host_system == 'darwin'
1835 export_dynamic_ldflags = []
1837 export_dynamic_ldflags = ['-Wl,--export-dynamic']
1842 if host_system == 'windows' and cc.get_id() != 'msvc'
1843 # Ensure MSVC-compatible struct packing convention is used when
1844 # compiling for Win32 with gcc. It is used for the whole project and exposed
1846 win32_cflags = ['-mms-bitfields']
1847 add_project_arguments(win32_cflags, language : 'c')
1849 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
1850 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
1851 elif host_system == 'cygwin'
1852 win32_ldflags = ['-luser32', '-lkernel32']
1856 want_dtrace = get_option('dtrace')
1857 enable_dtrace = false
1859 # Since dtrace support is opt-in we just error out if it was requested but
1860 # is not available. We don't bother with autodetection yet.
1863 error('GLib dtrace support not yet compatible with macOS dtrace')
1865 dtrace = find_program('dtrace', required : true) # error out if not found
1866 if not cc.has_header('sys/sdt.h')
1867 error('dtrace support needs sys/sdt.h header')
1869 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1870 dtrace_obj_gen = generator(dtrace,
1871 output : '@BASENAME@.o',
1872 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1873 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1874 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1875 dtrace_hdr_gen = generator(dtrace,
1876 output : '@BASENAME@.h',
1877 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1878 glib_conf.set('HAVE_DTRACE', 1)
1879 enable_dtrace = true
1883 want_systemtap = get_option('systemtap')
1884 enable_systemtap = false
1886 if want_systemtap and enable_dtrace
1887 tapset_install_dir = get_option('tapset_install_dir')
1888 if tapset_install_dir == ''
1889 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1891 stp_cdata = configuration_data()
1892 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1893 stp_cdata.set('LT_CURRENT', minor_version * 100)
1894 stp_cdata.set('LT_REVISION', micro_version)
1895 enable_systemtap = true
1899 pkg = import('pkgconfig')
1900 windows = import('windows')
1911 # Install glib-gettextize executable, if a UNIX-style shell is found
1913 # These should not contain " quotes around the values
1914 gettexize_conf = configuration_data()
1915 gettexize_conf.set('PACKAGE', 'glib')
1916 gettexize_conf.set('VERSION', meson.project_version())
1917 gettexize_conf.set('prefix', glib_prefix)
1918 gettexize_conf.set('datarootdir', glib_datadir)
1919 gettexize_conf.set('datadir', glib_datadir)
1920 configure_file(input : 'glib-gettextize.in',
1922 install_dir : 'bin',
1923 output : 'glib-gettextize',
1924 configuration : gettexize_conf)
1928 # Install m4 macros that other projects use
1929 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1930 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1933 if host_system != 'windows'
1934 # Install Valgrind suppression file (except on Windows,
1935 # as Valgrind is currently not supported on Windows)
1936 install_data('glib.supp',
1937 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
1940 configure_file(output : 'config.h', configuration : glib_conf)
1942 if host_system == 'windows'
1943 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
1946 if get_option('man')
1947 xsltproc = find_program('xsltproc', required : true)
1948 xsltproc_command = [
1951 '--stringparam', 'man.output.quietly', '1',
1952 '--stringparam', 'funcsynopsis.style', 'ansi',
1953 '--stringparam', 'man.th.extra1.suppress', '1',
1954 '--stringparam', 'man.authors.section.enabled', '0',
1955 '--stringparam', 'man.copyright.section.enabled', '0',
1957 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
1960 man1_dir = get_option('mandir') + '/man1'
1963 gnome = import('gnome')
1964 subdir('docs/reference/glib')
1965 subdir('docs/reference/gobject')
1966 subdir('docs/reference/gio')