1 project('glib', 'c', 'cpp',
3 meson_version : '>= 0.46.0',
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']
28 # -mms-bitfields vs -fnative-struct ?
31 host_system = host_machine.system()
33 glib_version = meson.project_version()
34 glib_api_version = '2.0'
35 version_arr = glib_version.split('.')
36 major_version = version_arr[0].to_int()
37 minor_version = version_arr[1].to_int()
38 micro_version = version_arr[2].to_int()
40 interface_age = minor_version.is_odd() ? 0 : micro_version
41 binary_age = 100 * minor_version + micro_version
44 # Maintain compatibility with previous libtool versioning
45 # current = minor * 100 + micro
46 library_version = '@0@.@1@.@2@'.format(soversion, binary_age - interface_age, interface_age)
48 configinc = include_directories('.')
49 glibinc = include_directories('glib')
50 gobjectinc = include_directories('gobject')
51 gmoduleinc = include_directories('gmodule')
52 gioinc = include_directories('gio')
54 glib_prefix = get_option('prefix')
55 glib_bindir = join_paths(glib_prefix, get_option('bindir'))
56 glib_libdir = join_paths(glib_prefix, get_option('libdir'))
57 glib_datadir = join_paths(glib_prefix, get_option('datadir'))
58 glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
59 glib_includedir = join_paths(glib_prefix, get_option('includedir'))
60 glib_giomodulesdir = get_option('gio_module_dir')
61 if glib_giomodulesdir == ''
62 glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
65 glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
67 add_project_arguments('-D_GNU_SOURCE', language: 'c')
69 # Disable strict aliasing;
70 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
71 if cc.has_argument('-fno-strict-aliasing')
72 add_project_arguments('-fno-strict-aliasing', language: 'c')
75 ########################
76 # Configuration begins #
77 ########################
78 glib_conf = configuration_data()
79 glibconfig_conf = configuration_data()
81 # accumulated list of defines as we check for them, so we can easily
82 # use them later in test programs (autoconf does this automatically)
85 glib_conf.set('GLIB_VERSION', glib_version)
86 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
87 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
88 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
89 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
90 glib_conf.set('GLIB_BINARY_AGE', binary_age)
91 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
92 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=glib')
93 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
94 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
95 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
96 glib_conf.set_quoted('PACKAGE_URL', '')
97 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
98 glib_conf.set('ENABLE_NLS', 1)
100 # Variables used in glib-gettextize and pkg-config files
101 # These should not contain " quotes around the values
102 glib_conf.set('PACKAGE', 'glib')
103 glib_conf.set('VERSION', meson.project_version())
104 glib_conf.set('prefix', glib_prefix)
105 glib_conf.set('exec_prefix', glib_prefix)
106 glib_conf.set('libdir', glib_libdir)
107 glib_conf.set('includedir', glib_includedir)
108 glib_conf.set('datadir', glib_datadir)
109 glib_conf.set('datarootdir', glib_datadir)
111 glib_conf.set('_GNU_SOURCE', 1)
113 if host_system == 'windows'
114 # Poll doesn't work on devices on Windows
115 glib_conf.set('BROKEN_POLL', true)
118 # Check for GNU visibility attributes
119 g_have_gnuc_visibility = cc.compiles('''
121 __attribute__ ((visibility ("hidden")))
126 __attribute__ ((visibility ("internal")))
131 __attribute__ ((visibility ("protected")))
136 __attribute__ ((visibility ("default")))
149 # Not supported by MSVC, but MSVC also won't support visibility,
150 # so it's OK to pass -Werror explicitly. Replace with
151 # override_options : 'werror=true' once that is supported
153 name : 'GNU C visibility attributes test')
155 if g_have_gnuc_visibility
156 glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
159 # Detect and set symbol visibility
160 glib_hidden_visibility_args = []
161 if get_option('default_library') != 'static'
162 if host_system == 'windows'
163 glib_conf.set('DLL_EXPORT', true)
164 if cc.get_id() == 'msvc'
165 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
166 elif cc.has_argument('-fvisibility=hidden')
167 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
168 glib_hidden_visibility_args = ['-fvisibility=hidden']
170 elif cc.has_argument('-fvisibility=hidden')
171 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
172 glib_hidden_visibility_args = ['-fvisibility=hidden']
176 if host_system == 'windows' and get_option('default_library') == 'static'
177 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
178 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
181 # FIXME: what about Cygwin (G_WITH_CYGWIN)
182 if host_system == 'windows'
183 glib_os = '''#define G_OS_WIN32
184 #define G_PLATFORM_WIN32'''
186 glib_os = '#define G_OS_UNIX'
188 glibconfig_conf.set('glib_os', glib_os)
190 # We need to know the build type to determine what .lib files we need on Visual Studio
191 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
192 buildtype = get_option('buildtype')
194 glib_debug_cflags = []
195 if buildtype.startswith('debug')
196 glib_debug_cflags += ['-DG_ENABLE_DEBUG']
197 elif buildtype == 'release'
198 glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
201 add_project_arguments(glib_debug_cflags, language: 'c')
203 # check for header files
239 'dirent.h', # MSC does not come with this by default
240 'sys/time.h', # MSC does not come with this by default
258 define = 'HAVE_' + h.underscorify().to_upper()
259 glib_conf.set(define, 1)
260 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
264 if cc.has_header('linux/netlink.h')
265 glib_conf.set('HAVE_NETLINK', 1)
268 if glib_conf.has('HAVE_LOCALE_H')
269 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
270 glib_conf.set('HAVE_LC_MESSAGES', 1)
274 struct_stat_blkprefix = '''
275 #include <sys/types.h>
276 #include <sys/stat.h>
280 #ifdef HAVE_SYS_STATFS_H
281 #include <sys/statfs.h>
283 #ifdef HAVE_SYS_PARAM_H
284 #include <sys/param.h>
286 #ifdef HAVE_SYS_MOUNT_H
287 #include <sys/mount.h>
292 [ 'stat', 'st_mtimensec' ],
293 [ 'stat', 'st_mtim.tv_nsec' ],
294 [ 'stat', 'st_atimensec' ],
295 [ 'stat', 'st_atim.tv_nsec' ],
296 [ 'stat', 'st_ctimensec' ],
297 [ 'stat', 'st_ctim.tv_nsec' ],
298 [ 'stat', 'st_birthtime' ],
299 [ 'stat', 'st_birthtimensec' ],
300 [ 'stat', 'st_birthtim' ],
301 [ 'stat', 'st_birthtim.tv_nsec' ],
302 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
303 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
304 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
305 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
306 [ 'dirent', 'd_type', '''#include <sys/types.h>
307 #include <dirent.h>''' ],
310 foreach m : struct_members
311 header_check_prefix = glib_conf_prefix
313 header_check_prefix = header_check_prefix + m[2]
315 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
317 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
318 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
319 glib_conf.set(define, 1)
320 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
326 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
329 '-Wduplicated-branches',
330 '-Wstrict-prototypes',
331 '-Werror=declaration-after-statement',
333 '-Werror=format-security',
334 '-Werror=implicit-function-declaration',
336 '-Werror=missing-include-dirs',
337 '-Werror=missing-prototypes',
338 '-Werror=pointer-arith',
343 if get_option('bsymbolic_functions')
344 test_c_link_args += ['-Wl,-Bsymbolic-functions']
348 test_c_link_args = []
351 add_project_arguments(cc.get_supported_arguments(test_c_args), language: 'c')
353 # FIXME: We cannot build some of the GResource tests with -z nodelete, which
354 # means we cannot use that flag in add_project_link_arguments(), and must add
355 # it to the relevant targets manually. We do the same with -Bsymbolic-functions
356 # because that is what the autotools build did.
357 # See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
359 glib_link_flags = cc.get_supported_link_arguments(test_c_link_args)
361 # Windows Support (Vista+)
362 if host_system == 'windows'
363 glib_conf.set('_WIN32_WINNT', '0x0601')
425 if glib_conf.has('HAVE_SYS_STATVFS_H')
426 functions += ['statvfs']
428 have_func_statvfs = false
430 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
431 functions += ['statfs']
433 have_func_statfs = false
436 if host_system == 'windows'
437 iphlpapi_dep = cc.find_library('iphlpapi')
438 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
439 foreach ifunc : iphlpapi_funcs
440 if cc.has_function(ifunc,
441 prefix : '#define _WIN32_WINNT 0x0601\n#include <winsock2.h>\n#include <iphlpapi.h>',
442 dependencies : iphlpapi_dep)
443 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
444 glib_conf.set(idefine, 1)
445 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
446 set_variable('have_func_' + ifunc, true)
448 set_variable('have_func_' + ifunc, false)
452 functions += ['if_indextoname', 'if_nametoindex']
455 # AIX splice is something else
456 if host_system != 'aix'
457 functions += ['splice']
460 foreach f : functions
461 if cc.has_function(f)
462 define = 'HAVE_' + f.underscorify().to_upper()
463 glib_conf.set(define, 1)
464 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
465 set_variable('have_func_' + f, true)
467 set_variable('have_func_' + f, false)
471 # Check that stpcpy() is usable; must use header
472 if cc.has_function('stpcpy', prefix : '#include <string.h>')
473 glib_conf.set('HAVE_STPCPY', 1)
476 # Check that posix_memalign() is usable; must use header
477 if cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
478 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
481 # Check whether strerror_r returns char *
482 if have_func_strerror_r
483 if cc.compiles('''#define _GNU_SOURCE
486 char error_string[256];
487 char *ptr = strerror_r (-2, error_string, 256);
488 char c = *strerror_r (-2, error_string, 256);
489 return c != 0 && ptr != (void*) 0L;
492 name : 'strerror_r() returns char *')
493 glib_conf.set('STRERROR_R_CHAR_P', 1,
494 description: 'Defined if strerror_r returns char *')
498 # Special-case these functions that have alternative names on Windows/MSVC
499 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
500 glib_conf.set('HAVE_SNPRINTF', 1)
501 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
502 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
503 hack_define = '1\n#define snprintf _snprintf'
504 glib_conf.set('HAVE_SNPRINTF', hack_define)
505 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
508 if cc.has_function('strcasecmp')
509 glib_conf.set('HAVE_STRCASECMP', 1)
510 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
511 elif cc.has_function('_stricmp')
512 hack_define = '1\n#define strcasecmp _stricmp'
513 glib_conf.set('HAVE_STRCASECMP', hack_define)
514 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
517 if cc.has_function('strncasecmp')
518 glib_conf.set('HAVE_STRNCASECMP', 1)
519 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
520 elif cc.has_function('_strnicmp')
521 hack_define = '1\n#define strncasecmp _strnicmp'
522 glib_conf.set('HAVE_STRNCASECMP', hack_define)
523 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
526 if cc.has_header_symbol('sys/sysmacros.h', 'major')
527 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
528 elif cc.has_header_symbol('sys/mkdev.h', 'major')
529 glib_conf.set('MAJOR_IN_MKDEV', 1)
532 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
533 glib_conf.set('HAVE_RTLD_LAZY', 1)
536 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
537 glib_conf.set('HAVE_RTLD_NOW', 1)
540 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
541 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
544 # Check whether to use statfs or statvfs
545 # Some systems have both statfs and statvfs, pick the most "native" for these
546 if have_func_statfs and have_func_statvfs
547 # on solaris and irix, statfs doesn't even have the f_bavail field
548 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
549 have_func_statfs = false
551 # at least on linux, statfs is the actual syscall
552 have_func_statvfs = false
556 glib_conf.set('USE_STATFS', 1)
557 stat_func_to_use = 'statfs'
558 elif have_func_statvfs
559 glib_conf.set('USE_STATVFS', 1)
560 stat_func_to_use = 'statvfs'
562 stat_func_to_use = 'neither'
564 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
566 if host_system == 'linux'
567 if cc.has_function('mkostemp',
568 prefix: '''#define _GNU_SOURCE
569 #include <stdlib.h>''')
570 glib_conf.set('HAVE_MKOSTEMP', 1)
576 # Mac OS X Carbon support
577 glib_have_carbon = cc.compiles('''#include <Carbon/Carbon.h>
578 #include <CoreServices/CoreServices.h>''',
579 name : 'Mac OS X Carbon support')
581 glib_have_os_x_9_or_later = false
584 glib_conf.set('HAVE_CARBON', true)
585 osx_ldflags += '-Wl,-framework,Carbon'
586 glib_have_os_x_9_or_later = cc.compiles('''#include <AvailabilityMacros.h>
587 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
588 #error Compiling for minimum OS X version before 10.9
589 #endif''', name : 'OS X 9 or later')
592 # Mac OS X Cocoa support
593 glib_have_cocoa = cc.compiles('''#include <Cocoa/Cocoa.h>
594 #ifdef GNUSTEP_BASE_VERSION
595 #error "Detected GNUstep, not Cocoa"
597 name : 'Mac OS X Cocoa support')
600 glib_conf.set('HAVE_COCOA', true)
601 osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
604 add_project_link_arguments(osx_ldflags, language : 'c')
607 if cc.links('''#include <linux/futex.h>
608 #include <sys/syscall.h>
610 int main (int argc, char ** argv) {
611 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
613 }''', name : 'futex(2) system call')
614 glib_conf.set('HAVE_FUTEX', 1)
617 # Check for eventfd(2)
618 if cc.links('''#include <sys/eventfd.h>
620 int main (int argc, char ** argv) {
621 eventfd (0, EFD_CLOEXEC);
623 }''', name : 'eventfd(2) system call')
624 glib_conf.set('HAVE_EVENTFD', 1)
627 clock_gettime_test_code = '''
630 int main (int argc, char ** argv) {
631 return clock_gettime(CLOCK_REALTIME, &t);
634 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
635 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
636 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
637 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
638 librt = cc.find_library('rt')
641 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
643 if cc.compiles(glib_conf_prefix + '''
645 #ifdef HAVE_SYS_PARAM_H
646 #include <sys/param.h>
648 #ifdef HAVE_SYS_VFS_H
651 #ifdef HAVE_SYS_MOUNT_H
652 #include <sys/mount.h>
654 #ifdef HAVE_SYS_STATFS_H
655 #include <sys/statfs.h>
657 void some_func (void) {
660 }''', name : 'number of arguments to statfs() (n=2)')
661 glib_conf.set('STATFS_ARGS', 2)
662 elif cc.compiles(glib_conf_prefix + '''
664 #ifdef HAVE_SYS_PARAM_H
665 #include <sys/param.h>
667 #ifdef HAVE_SYS_VFS_H
670 #ifdef HAVE_SYS_MOUNT_H
671 #include <sys/mount.h>
673 #ifdef HAVE_SYS_STATFS_H
674 #include <sys/statfs.h>
676 void some_func (void) {
678 statfs("/", &st, sizeof (st), 0);
679 }''', name : 'number of arguments to statfs() (n=4)')
680 glib_conf.set('STATFS_ARGS', 4)
682 error('Unable to determine number of arguments to statfs()')
686 # open takes O_DIRECTORY as an option
688 if cc.compiles('''#include <fcntl.h>
689 #include <sys/types.h>
690 #include <sys/stat.h>],
691 void some_func (void) {
692 open(0, O_DIRECTORY, 0);
693 }''', name : 'open() option O_DIRECTORY')
694 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
697 # Check whether there is a vsnprintf() function with C99 semantics installed.
698 # AC_FUNC_VSNPRINTF_C99
699 # Check whether there is a snprintf() function with C99 semantics installed.
700 # AC_FUNC_SNPRINTF_C99
702 have_good_vsnprintf = false
703 have_good_snprintf = false
705 if host_system == 'windows' and cc.get_id() == 'msvc'
706 # Unfortunately the Visual Studio 2015+ implementations of C99-style
707 # snprintf and vsnprintf don't seem to be quite good enough.
708 # (Sorry, I don't know exactly what is the problem,
709 # but it is related to floating point formatting and decimal point vs. comma.)
710 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
711 # rigorous enough to notice, though.
712 glib_conf.set('HAVE_C99_SNPRINTF', false)
713 glib_conf.set('HAVE_C99_VSNPRINTF', false)
715 vsnprintf_c99_test_code = '''
727 r = vsnprintf(buffer, 5, s, args);
733 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
734 implementation. The above will return 7 but if you replace
735 the size of the buffer with 0, it borks! */
737 r = vsnprintf(buffer, 0, s, args);
754 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
755 if rres.compiled() and rres.returncode() == 0
756 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
757 have_good_vsnprintf = true
760 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
761 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
764 snprintf_c99_test_code = '''
775 r = snprintf(buffer, 5, "1234567");
780 r = snprintf(buffer, 0, "1234567");
785 r = snprintf(NULL, 0, "1234567");
801 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
802 if rres.compiled() and rres.returncode() == 0
803 glib_conf.set('HAVE_C99_SNPRINTF', 1)
804 have_good_snprintf = true
807 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
808 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
812 if host_system == 'windows'
813 glib_conf.set_quoted('EXEEXT', '.exe')
815 glib_conf.set('EXEEXT', '')
818 if have_good_vsnprintf and have_good_snprintf
819 # Our printf is 'good' only if vsnpintf()/snprintf() supports C99 well enough
820 glib_conf.set('HAVE_GOOD_PRINTF', 1) # FIXME: Check for HAVE_UNIX98_PRINTF?
822 glib_conf.set('HAVE_VASPRINTF', 1)
825 # Check whether the printf() family supports Unix98 %n$ positional parameters
826 # AC_FUNC_PRINTF_UNIX98
827 # Nothing uses HAVE_UNIX98_PRINTF
830 # Check for nl_langinfo and CODESET
831 # FIXME: Check for HAVE_BIND_TEXTDOMAIN_CODESET
832 if cc.links('''#include <langinfo.h>
833 int main (int argc, char ** argv) {
834 char *codeset = nl_langinfo (CODESET);
836 }''', name : 'nl_langinfo and CODESET')
837 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
838 glib_conf.set('HAVE_CODESET', 1)
841 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
842 if cc.links('''#include <langinfo.h>
843 int main (int argc, char ** argv) {
845 str = nl_langinfo (PM_STR);
846 str = nl_langinfo (D_T_FMT);
847 str = nl_langinfo (D_FMT);
848 str = nl_langinfo (T_FMT);
849 str = nl_langinfo (T_FMT_AMPM);
850 str = nl_langinfo (MON_1);
851 str = nl_langinfo (ABMON_12);
852 str = nl_langinfo (DAY_1);
853 str = nl_langinfo (ABDAY_7);
855 }''', name : 'nl_langinfo (PM_STR)')
856 glib_conf.set('HAVE_LANGINFO_TIME', 1)
858 if cc.links('''#include <langinfo.h>
859 int main (int argc, char ** argv) {
861 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
862 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
863 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
864 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
865 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
866 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
867 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
868 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
869 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
870 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
872 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
873 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
876 # Check for nl_langinfo and alternative month names
877 if cc.links('''#ifndef _GNU_SOURCE
880 #include <langinfo.h>
881 int main (int argc, char ** argv) {
883 str = nl_langinfo (ALTMON_1);
884 str = nl_langinfo (ALTMON_2);
885 str = nl_langinfo (ALTMON_3);
886 str = nl_langinfo (ALTMON_4);
887 str = nl_langinfo (ALTMON_5);
888 str = nl_langinfo (ALTMON_6);
889 str = nl_langinfo (ALTMON_7);
890 str = nl_langinfo (ALTMON_8);
891 str = nl_langinfo (ALTMON_9);
892 str = nl_langinfo (ALTMON_10);
893 str = nl_langinfo (ALTMON_11);
894 str = nl_langinfo (ALTMON_12);
896 }''', name : 'nl_langinfo (ALTMON_n)')
897 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
900 # Check for nl_langinfo and abbreviated alternative month names
901 if cc.links('''#ifndef _GNU_SOURCE
904 #include <langinfo.h>
905 int main (int argc, char ** argv) {
907 str = nl_langinfo (_NL_ALTMON_1);
908 str = nl_langinfo (_NL_ALTMON_2);
909 str = nl_langinfo (_NL_ALTMON_3);
910 str = nl_langinfo (_NL_ALTMON_4);
911 str = nl_langinfo (_NL_ALTMON_5);
912 str = nl_langinfo (_NL_ALTMON_6);
913 str = nl_langinfo (_NL_ALTMON_7);
914 str = nl_langinfo (_NL_ALTMON_8);
915 str = nl_langinfo (_NL_ALTMON_9);
916 str = nl_langinfo (_NL_ALTMON_10);
917 str = nl_langinfo (_NL_ALTMON_11);
918 str = nl_langinfo (_NL_ALTMON_12);
920 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
921 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
924 # Check if C compiler supports the 'signed' keyword
925 if not cc.compiles('''signed char x;''', name : 'signed')
926 glib_conf.set('signed', '/* NOOP */')
929 # Check if the ptrdiff_t type exists
930 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
931 glib_conf.set('HAVE_PTRDIFF_T', 1)
934 # Check for sig_atomic_t type
935 if cc.links('''#include <signal.h>
936 #include <sys/types.h>
937 sig_atomic_t val = 42;
938 int main (int argc, char ** argv) {
939 return val == 42 ? 0 : 1;
940 }''', name : 'sig_atomic_t')
941 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
944 # Check if 'long long' works and what format can be used to print it
945 # jm_AC_TYPE_LONG_LONG
946 # Nothing uses HAVE_LONG_LONG_FORMAT and HAVE_INT64_AND_I64
947 if cc.compiles('''long long ll = 1LL;
949 int some_func (void) {
950 long long llmax = (long long) -1;
951 return ll << i | ll >> i | llmax / ll | llmax % ll;
952 }''', name : 'long long')
953 glib_conf.set('HAVE_LONG_LONG', 1)
954 have_long_long = true
956 have_long_long = false
959 # Test whether the compiler supports the 'long double' type.
960 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
961 long double foo = 0.0;
962 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
963 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
964 name : 'long double')
965 glib_conf.set('HAVE_LONG_DOUBLE', 1)
968 # Test whether <stddef.h> has the 'wchar_t' type.
969 if cc.has_header_symbol('stddef.h', 'wchar_t')
970 glib_conf.set('HAVE_WCHAR_T', 1)
973 # Test whether <wchar.h> has the 'wint_t' type.
974 if cc.has_header_symbol('wchar.h', 'wint_t')
975 glib_conf.set('HAVE_WINT_T', 1)
978 found_uintmax_t = false
980 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
981 # doesn't clash with <sys/types.h>, and declares uintmax_t.
982 # jm_AC_HEADER_INTTYPES_H
983 if cc.compiles('''#include <sys/types.h>
984 #include <inttypes.h>
985 void some_func (void) {
986 uintmax_t i = (uintmax_t) -1;
987 }''', name : 'uintmax_t in inttypes.h')
988 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
989 found_uintmax_t = true
992 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
993 # doesn't clash with <sys/types.h>, and declares uintmax_t.
994 # jm_AC_HEADER_STDINT_H
995 if cc.compiles('''#include <sys/types.h>
997 void some_func (void) {
998 uintmax_t i = (uintmax_t) -1;
999 }''', name : 'uintmax_t in stdint.h')
1000 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1001 found_uintmax_t = true
1004 # Define intmax_t to 'long' or 'long long'
1005 # if it is not already defined in <stdint.h> or <inttypes.h>.
1006 # For simplicity, we assume that a header file defines 'intmax_t' if and
1007 # only if it defines 'uintmax_t'.
1009 glib_conf.set('HAVE_INTMAX_T', 1)
1011 glib_conf.set('intmax_t', 'long long')
1013 glib_conf.set('intmax_t', 'long')
1016 char_size = cc.sizeof('char')
1017 short_size = cc.sizeof('short')
1018 int_size = cc.sizeof('int')
1019 voidp_size = cc.sizeof('void*')
1020 long_size = cc.sizeof('long')
1022 long_long_size = cc.sizeof('long long')
1026 sizet_size = cc.sizeof('size_t')
1027 if cc.get_id() == 'msvc'
1028 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1030 ssizet_size = cc.sizeof('ssize_t')
1034 char_align = cc.alignment('char')
1035 short_align = cc.alignment('short')
1036 int_align = cc.alignment('int')
1037 voidp_align = cc.alignment('void*')
1038 long_align = cc.alignment('long')
1039 long_long_align = cc.alignment('long long')
1040 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1041 # be 64-bit in C99, and it is available on all supported compilers
1042 sizet_align = cc.alignment('size_t')
1044 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1046 glib_conf.set('SIZEOF_CHAR', char_size)
1047 glib_conf.set('SIZEOF_INT', int_size)
1048 glib_conf.set('SIZEOF_SHORT', short_size)
1049 glib_conf.set('SIZEOF_LONG', long_size)
1050 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1051 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1052 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1053 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1066 error('Compiler provides no native 16-bit integer type')
1068 glibconfig_conf.set('gint16', gint16)
1069 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1070 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1071 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1078 guint32_align = short_align
1084 guint32_align = int_align
1090 guint32_align = long_align
1092 error('Compiler provides no native 32-bit integer type')
1094 glibconfig_conf.set('gint32', gint32)
1095 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1096 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1097 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1098 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1106 gint64_constant='(val)'
1107 guint64_constant='(val)'
1108 guint64_align = int_align
1115 gint64_constant='(val##L)'
1116 guint64_constant='(val##UL)'
1117 guint64_align = long_align
1118 elif long_long_size == 8
1119 gint64 = 'long long'
1120 glib_extension='G_GNUC_EXTENSION '
1121 gint64_modifier=int64_m
1122 gint64_format=int64_m + 'i'
1123 guint64_format=int64_m + 'u'
1124 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1125 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1126 guint64_align = long_long_align
1128 error('Compiler provides no native 64-bit integer type')
1130 glibconfig_conf.set('glib_extension', glib_extension)
1131 glibconfig_conf.set('gint64', gint64)
1132 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1133 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1134 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1135 glibconfig_conf.set('gint64_constant', gint64_constant)
1136 glibconfig_conf.set('guint64_constant', guint64_constant)
1137 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1139 if host_system == 'windows'
1140 glibconfig_conf.set('g_pid_type', 'void*')
1141 glibconfig_conf.set_quoted('g_pid_format', 'p')
1142 if host_machine.cpu_family() == 'x86_64'
1143 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1145 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1147 glibconfig_conf.set('g_dir_separator', '\\\\')
1148 glibconfig_conf.set('g_searchpath_separator', ';')
1150 glibconfig_conf.set('g_pid_type', 'int')
1151 glibconfig_conf.set_quoted('g_pid_format', 'i')
1152 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1153 glibconfig_conf.set('g_dir_separator', '/')
1154 glibconfig_conf.set('g_searchpath_separator', ':')
1157 if sizet_size == short_size
1158 glibconfig_conf.set('glib_size_type_define', 'short')
1159 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1160 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1161 glibconfig_conf.set_quoted('gsize_format', 'hu')
1162 glibconfig_conf.set_quoted('gssize_format', 'hi')
1163 glibconfig_conf.set('glib_msize_type', 'SHRT')
1164 elif sizet_size == int_size
1165 glibconfig_conf.set('glib_size_type_define', 'int')
1166 glibconfig_conf.set_quoted('gsize_modifier', '')
1167 glibconfig_conf.set_quoted('gssize_modifier', '')
1168 glibconfig_conf.set_quoted('gsize_format', 'u')
1169 glibconfig_conf.set_quoted('gssize_format', 'i')
1170 glibconfig_conf.set('glib_msize_type', 'INT')
1171 elif sizet_size == long_size
1172 glibconfig_conf.set('glib_size_type_define', 'long')
1173 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1174 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1175 glibconfig_conf.set_quoted('gsize_format', 'lu')
1176 glibconfig_conf.set_quoted('gssize_format', 'li')
1177 glibconfig_conf.set('glib_msize_type', 'LONG')
1178 elif sizet_size == long_long_size
1179 glibconfig_conf.set('glib_size_type_define', 'long long')
1180 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1181 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1182 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1183 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1184 glibconfig_conf.set('glib_msize_type', 'INT64')
1186 error('Could not determine size of size_t.')
1189 if voidp_size == int_size
1190 glibconfig_conf.set('glib_intptr_type_define', 'int')
1191 glibconfig_conf.set_quoted('gintptr_modifier', '')
1192 glibconfig_conf.set_quoted('gintptr_format', 'i')
1193 glibconfig_conf.set_quoted('guintptr_format', 'u')
1194 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1195 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1196 elif voidp_size == long_size
1197 glibconfig_conf.set('glib_intptr_type_define', 'long')
1198 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1199 glibconfig_conf.set_quoted('gintptr_format', 'li')
1200 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1201 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1202 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1203 elif voidp_size == long_long_size
1204 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1205 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1206 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1207 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1208 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1209 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1211 error('Could not determine size of void *')
1214 if long_size != 8 and long_long_size != 8 and int_size != 8
1215 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1218 glibconfig_conf.set('gintbits', int_size * 8)
1219 glibconfig_conf.set('glongbits', long_size * 8)
1220 glibconfig_conf.set('gsizebits', sizet_size * 8)
1221 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1223 # FIXME: maybe meson should tell us the libsuffix?
1224 if host_system == 'windows'
1225 g_module_suffix = 'dll'
1226 elif host_system == 'darwin'
1227 g_module_suffix = 'dylib'
1229 g_module_suffix = 'so'
1231 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1233 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1234 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1235 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1236 glibconfig_conf.set('GLIB_VERSION', glib_version)
1238 glibconfig_conf.set('glib_void_p', voidp_size)
1239 glibconfig_conf.set('glib_long', long_size)
1240 glibconfig_conf.set('glib_size_t', sizet_size)
1241 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1242 if host_machine.endian() == 'big'
1243 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1244 glibconfig_conf.set('g_bs_native', 'BE')
1245 glibconfig_conf.set('g_bs_alien', 'LE')
1247 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1248 glibconfig_conf.set('g_bs_native', 'LE')
1249 glibconfig_conf.set('g_bs_alien', 'BE')
1252 # === va_copy checks ===
1253 # we currently check for all three va_copy possibilities, so we get
1254 # all results in config.log for bug reports.
1257 foreach try_func : [ '__va_copy', 'va_copy' ]
1258 if cc.compiles('''#include <stdarg.h>
1261 # include "msvc_recommended_pragmas.h"
1263 void f (int i, ...) {
1264 va_list args1, args2;
1265 va_start (args1, i);
1267 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1269 va_end (args1); va_end (args2);
1274 }'''.format(try_func),
1275 name : try_func + ' check')
1276 va_copy_func = try_func
1279 if va_copy_func != ''
1280 glib_conf.set('G_VA_COPY', va_copy_func)
1281 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1283 glib_vacopy = '/* #undef G_VA_COPY */'
1286 va_list_val_copy_prog = '''
1289 void f (int i, ...) {
1290 va_list args1, args2;
1291 va_start (args1, i);
1293 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1295 va_end (args1); va_end (args2);
1303 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1304 glib_va_val_copy = rres.returncode() == 0
1306 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1308 if not glib_va_val_copy
1309 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1310 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1312 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1314 # check for flavours of varargs macros
1315 g_have_iso_c_varargs = cc.compiles('''
1316 void some_func (void) {
1317 int a(int p1, int p2, int p3);
1318 #define call_a(...) a(1,__VA_ARGS__)
1320 }''', name : 'ISO C99 varargs macros in C')
1322 if g_have_iso_c_varargs
1323 glibconfig_conf.set('g_have_iso_c_varargs', '''
1325 # define G_HAVE_ISO_VARARGS 1
1329 g_have_iso_cxx_varargs = cxx.compiles('''
1330 void some_func (void) {
1331 int a(int p1, int p2, int p3);
1332 #define call_a(...) a(1,__VA_ARGS__)
1334 }''', name : 'ISO C99 varargs macros in C++')
1336 if g_have_iso_cxx_varargs
1337 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1339 # define G_HAVE_ISO_VARARGS 1
1343 g_have_gnuc_varargs = cc.compiles('''
1344 void some_func (void) {
1345 int a(int p1, int p2, int p3);
1346 #define call_a(params...) a(1,params)
1348 }''', name : 'GNUC varargs macros')
1350 if cc.has_header('alloca.h')
1351 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1353 has_syspoll = cc.has_header('sys/poll.h')
1354 has_systypes = cc.has_header('sys/types.h')
1356 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1358 has_winsock2 = cc.has_header('winsock2.h')
1360 if has_syspoll and has_systypes
1362 #include<sys/poll.h>
1363 #include<sys/types.h>'''
1366 #define _WIN32_WINNT 0x0600
1367 #include <winsock2.h>'''
1370 error('FIX POLL* defines')
1374 [ 'POLLIN', 'g_pollin', 1 ],
1375 [ 'POLLOUT', 'g_pollout', 4 ],
1376 [ 'POLLPRI', 'g_pollpri', 2 ],
1377 [ 'POLLERR', 'g_pollerr', 8 ],
1378 [ 'POLLHUP', 'g_pollhup', 16 ],
1379 [ 'POLLNVAL', 'g_pollnval', 32 ],
1382 if has_syspoll and has_systypes
1383 foreach d : poll_defines
1384 val = cc.compute_int(d[0], prefix: poll_includes)
1385 glibconfig_conf.set(d[1], val)
1388 # Due to a missed bug in configure.ac the poll test
1389 # never succeeded on Windows and used some pre-defined
1390 # values as a fallback. Keep using them to maintain
1391 # ABI compatibility with autotools builds of glibs
1392 # and with *any* glib-using code compiled against them,
1393 # since these values end up in a public header glibconfig.h.
1394 foreach d : poll_defines
1395 glibconfig_conf.set(d[1], d[2])
1399 # Internet address families
1400 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1401 if host_system == 'windows'
1403 #include <winsock2.h>'''
1406 #include <sys/types.h>
1407 #include <sys/socket.h>'''
1411 [ 'AF_UNIX', 'g_af_unix' ],
1412 [ 'AF_INET', 'g_af_inet' ],
1413 [ 'AF_INET6', 'g_af_inet6' ],
1414 [ 'MSG_OOB', 'g_msg_oob' ],
1415 [ 'MSG_PEEK', 'g_msg_peek' ],
1416 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1418 foreach d : inet_defines
1419 val = cc.compute_int(d[0], prefix: inet_includes)
1420 glibconfig_conf.set(d[1], val)
1423 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', true) # FIXME!
1425 # We need a more robust approach here...
1426 host_cpu_family = host_machine.cpu_family()
1427 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')
1428 glib_memory_barrier_needed = false
1429 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1430 glib_memory_barrier_needed = true
1432 warning('Unknown host cpu: ' + host_cpu_family)
1433 glib_memory_barrier_needed = true
1435 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1437 # We need to decide at configure time if GLib will use real atomic
1438 # operations ("lock free") or emulated ones with a mutex. This is
1439 # because we must put this information in glibconfig.h so we know if
1440 # it is safe or not to inline using compiler intrinsics directly from
1443 # We also publish the information via G_ATOMIC_LOCK_FREE in case the
1444 # user is interested in knowing if they can use the atomic ops across
1447 # We can currently support the atomic ops natively when building GLib
1448 # with recent versions of GCC or MSVC.
1450 # Note that the atomic ops are only available with GCC on x86 when
1451 # using -march=i486 or higher. If we detect that the atomic ops are
1452 # not available but would be available given the right flags, we want
1453 # to abort and advise the user to fix their CFLAGS. It's better to do
1454 # that then to silently fall back on emulated atomic ops just because
1455 # the user had the wrong build environment.
1456 atomictest = '''int main() {
1457 volatile int atomic = 2;
1458 __sync_bool_compare_and_swap (&atomic, 2, 3);
1464 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1465 #error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
1469 # We know that we can always use real ("lock free") atomic operations with MSVC
1470 if cc.get_id() == 'msvc' or cc.links(atomictest, name : 'atomic ops')
1471 have_atomic_lock_free = true
1472 if host_system == 'android' and not cc.compiles(atomicdefine, name : 'atomic ops define')
1473 # When building for armv5 on Android, gcc 4.9 provides
1474 # __sync_bool_compare_and_swap but doesn't define
1475 # __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
1476 glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
1479 have_atomic_lock_free = false
1480 if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
1481 error('GLib must be built with -march=i486 or later.')
1484 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
1488 # Determination of thread implementation
1489 if host_system == 'windows' and not get_option('force_posix_threads')
1491 threads_implementation = 'win32'
1492 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1493 glib_conf.set('THREADS_WIN32', 1)
1495 # FIXME: probably needs more tweaking in meson for things like -D_REENTRANT etc.
1496 thread_dep = dependency('threads')
1497 threads_implementation = 'posix'
1498 pthread_prefix = '''
1500 # define _GNU_SOURCE
1502 #include <pthread.h>'''
1503 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1504 glib_conf.set('THREADS_POSIX', 1)
1505 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1506 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1508 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1509 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1511 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1512 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1514 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1515 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1517 # Assume that pthread_setname_np is available in some form; same as configure
1518 if cc.links(pthread_prefix + '''
1520 pthread_setname_np("example");
1523 name : 'pthread_setname_np(const char*)',
1524 dependencies : thread_dep)
1526 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1527 elif cc.links(pthread_prefix + '''
1529 pthread_setname_np(pthread_self(), "example");
1532 name : 'pthread_setname_np(pthread_t, const char*)',
1533 dependencies : thread_dep)
1534 # Linux, Solaris, etc.
1535 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1539 # FIXME: we should make it print the result and always return 0, so that
1540 # the output in meson shows up as green
1541 stack_grows_check_prog = '''
1542 volatile int *a = 0, *b = 0;
1554 return b > a ? 0 : 1;
1558 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1559 growing_stack = rres.returncode() == 0
1561 growing_stack = meson.get_cross_property('growing_stack', false)
1564 glibconfig_conf.set('G_HAVE_GROWING_STACK', growing_stack)
1568 # USE_LIBICONV_GNU: Using GNU libiconv
1569 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1571 # We should never use the MinGW C library's iconv. On Windows we use the
1572 # GNU implementation that ships with MinGW.
1574 # On Windows, just always use the built-in implementation
1575 if host_system == 'windows'
1577 glib_conf.set('USE_LIBICONV_NATIVE', true)
1580 iconv_opt = get_option('iconv')
1581 if iconv_opt == 'libc'
1582 if cc.has_function('iconv_open')
1586 elif iconv_opt == 'gnu'
1587 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1588 glib_conf.set('USE_LIBICONV_GNU', true)
1589 libiconv = [cc.find_library('iconv')]
1592 elif iconv_opt == 'native'
1593 if cc.has_header_symbol('iconv.h', 'iconv_open')
1594 glib_conf.set('USE_LIBICONV_NATIVE', true)
1595 libiconv = [cc.find_library('iconv')]
1601 error('iconv implementation "@0@" not found'.format(iconv_opt))
1606 if get_option('internal_pcre')
1608 use_system_pcre = false
1610 pcre = dependency('libpcre', required : false) # Should check for Unicode support, too. FIXME
1612 if cc.get_id() == 'msvc'
1613 # MSVC: Search for the PCRE library by the configuration, which corresponds
1614 # to the output of CMake builds of PCRE. Note that debugoptimized
1615 # is really a Release build with .PDB files.
1616 if buildtype == 'debug'
1617 pcre = cc.find_library('pcred', required : false)
1619 pcre = cc.find_library('pcre', required : false)
1623 use_system_pcre = pcre.found()
1625 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1627 use_pcre_static_flag = false
1629 if host_system == 'windows'
1630 if not use_system_pcre
1631 use_pcre_static_flag = true
1633 pcre_static = cc.links('''#define PCRE_STATIC
1641 name : 'Windows system PCRE is a static build')
1643 use_pcre_static_flag = true
1648 libm = cc.find_library('m', required : false)
1649 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1650 zlib_libname = '-lz'
1651 if cc.get_id() != 'msvc'
1652 libz_dep = dependency('zlib', fallback : ['zlib', 'zlib_dep'])
1654 # MSVC: Don't use the bundled ZLib sources until we are sure that we can't
1655 # find the ZLib .lib
1656 libz_dep = dependency('zlib', required : false)
1658 # MSVC: Search for the ZLib .lib, which corresponds to the results of
1659 # of using ZLib's win32/makefile.msc.
1660 if not libz_dep.found()
1661 libz_dep = cc.find_library('zlib1', required : false)
1663 zlib_libname = '-lzlib1'
1665 libz_dep = cc.find_library('zlib', required : false)
1667 zlib_libname = '-lzlib'
1669 libz_dep = subproject('zlib').get_variable('zlib_dep')
1675 # Only used on non-glibc targets
1676 libintl = cc.find_library('intl', required : false)
1677 if host_system == 'windows' and not libintl.found()
1678 # Used only when the gettext library is not available (MSVC, not MinGW)
1679 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1680 glib_conf.set('HAVE_DCGETTEXT', 1)
1682 glib_conf.set('HAVE_DCGETTEXT', cc.has_header_symbol('libintl.h', 'dcgettext'))
1684 # We require gettext to always be present
1685 glib_conf.set('HAVE_GETTEXT', 1)
1686 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1687 # xgettext is optional (on Windows for instance)
1688 xgettext = find_program('xgettext', required : false)
1690 # libmount is only used by gio, but we need to fetch the libs to generate the
1691 # pkg-config file below
1693 if host_system == 'linux' and get_option('libmount')
1694 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1695 glib_conf.set('HAVE_LIBMOUNT', 1)
1698 if host_system == 'windows'
1699 winsock2 = cc.find_library('ws2_32')
1703 if host_system == 'linux' and get_option('selinux')
1704 selinux_dep = [dependency('libselinux')]
1705 glib_conf.set('HAVE_SELINUX', 1)
1709 if host_system != 'windows' and get_option('xattr')
1710 # either glibc or libattr can provide xattr support
1711 # for both of them, we check for getxattr being in
1712 # the library and a valid xattr header.
1715 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1716 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1717 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1718 #failure. try libattr
1719 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1720 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1721 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1722 xattr_dep = [cc.find_library('xattr')]
1724 error('No getxattr implementation found in C library or libxattr')
1727 glib_conf.set('HAVE_XATTR', 1)
1728 if cc.compiles(glib_conf_prefix + '''
1730 #ifdef HAVE_SYS_TYPES_H
1731 #include <sys/types.h>
1733 #ifdef HAVE_SYS_XATTR_H
1734 #include <sys/xattr.h>
1735 #elif HAVE_ATTR_XATTR_H
1736 #include <attr/xattr.h>
1740 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1743 name : 'XATTR_NOFOLLOW')
1744 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1748 python = import('python3').find_python()
1750 # Determine which user environment-dependent files that we want to install
1751 have_bash = find_program('bash', required : false).found() # For completion scripts
1752 have_m4 = find_program('m4', required : false).found() # For m4 macros
1753 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1755 # FIXME: defines in config.h that are not actually used anywhere
1756 # (we add them for now to minimise the diff)
1757 glib_conf.set('HAVE_DLFCN_H', 1)
1758 glib_conf.set('__EXTENSIONS__', 1)
1759 glib_conf.set('STDC_HEADERS', 1)
1761 glib_conf.set('SIZEOF___INT64', 8)
1763 glib_conf.set('GIO_MODULE_DIR', glib_giomodulesdir)
1765 # Sadly Meson does not expose this value:
1766 # https://github.com/mesonbuild/meson/pull/3460
1767 if host_system == 'windows'
1768 # Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
1769 # with no explanation. Do the same here for now but this could be revisited if
1771 export_dynamic_ldflags = []
1772 elif host_system == 'cygwin'
1773 export_dynamic_ldflags = ['-Wl,--export-all-symbols']
1774 elif host_system == 'darwin'
1775 export_dynamic_ldflags = []
1777 export_dynamic_ldflags = ['-Wl,--export-dynamic']
1782 if host_system == 'windows' and cc.get_id() != 'msvc'
1783 # Ensure MSVC-compatible struct packing convention is used when
1784 # compiling for Win32 with gcc. It is used for the whole project and exposed
1786 win32_cflags = ['-mms-bitfields']
1787 add_project_arguments(win32_cflags, language : 'c')
1789 # Win32 API libs, used only by libglib and exposed in glib-2.0.pc
1790 win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
1791 elif host_system == 'cygwin'
1792 win32_ldflags = ['-luser32', '-lkernel32']
1796 want_dtrace = get_option('dtrace')
1797 enable_dtrace = false
1799 # Since dtrace support is opt-in we just error out if it was requested but
1800 # is not available. We don't bother with autodetection yet.
1803 error('GLib dtrace support not yet compatible with macOS dtrace')
1805 dtrace = find_program('dtrace', required : true) # error out if not found
1806 if not cc.has_header('sys/sdt.h')
1807 error('dtrace support needs sys/sdt.h header')
1809 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1810 dtrace_obj_gen = generator(dtrace,
1811 output : '@BASENAME@.o',
1812 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1813 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1814 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1815 dtrace_hdr_gen = generator(dtrace,
1816 output : '@BASENAME@.h',
1817 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1818 glib_conf.set('HAVE_DTRACE', 1)
1819 enable_dtrace = true
1823 want_systemtap = get_option('systemtap')
1824 enable_systemtap = false
1826 if want_systemtap and enable_dtrace
1827 tapset_install_dir = get_option('tapset_install_dir')
1828 if tapset_install_dir == ''
1829 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1831 stp_cdata = configuration_data()
1832 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1833 stp_cdata.set('LT_CURRENT', minor_version * 100)
1834 stp_cdata.set('LT_REVISION', micro_version)
1835 enable_systemtap = true
1839 pkg = import('pkgconfig')
1840 windows = import('windows')
1851 # NOTE: We skip glib-zip.in because the filenames it assumes don't match ours
1853 # Install glib-gettextize executable, if a UNIX-style shell is found
1855 configure_file(input : 'glib-gettextize.in',
1857 install_dir : 'bin',
1858 output : 'glib-gettextize',
1859 configuration : glib_conf)
1863 # Install m4 macros that other projects use
1864 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1865 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1868 if host_system != 'windows'
1869 # Install Valgrind suppression file (except on Windows,
1870 # as Valgrind is currently not supported on Windows)
1871 install_data('glib.supp',
1872 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
1875 configure_file(input : 'config.h.meson',
1876 output : 'config.h',
1877 configuration : glib_conf)
1879 if host_system == 'windows'
1880 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
1883 if get_option('man')
1884 xsltproc = find_program('xsltproc', required : true)
1885 xsltproc_command = [
1888 '--stringparam', 'man.output.quietly', '1',
1889 '--stringparam', 'funcsynopsis.style', 'ansi',
1890 '--stringparam', 'man.th.extra1.suppress', '1',
1891 '--stringparam', 'man.authors.section.enabled', '0',
1892 '--stringparam', 'man.copyright.section.enabled', '0',
1894 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
1897 man1_dir = get_option('mandir') + '/man1'
1900 gnome = import('gnome')
1901 subdir('docs/reference/glib')
1902 subdir('docs/reference/gobject')
1903 subdir('docs/reference/gio')