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')
352 add_project_link_arguments(cc.get_supported_link_arguments(test_c_link_args), language: 'c')
354 # Windows Support (Vista+)
355 if host_system == 'windows'
356 glib_conf.set('_WIN32_WINNT', '0x0601')
418 if glib_conf.has('HAVE_SYS_STATVFS_H')
419 functions += ['statvfs']
421 have_func_statvfs = false
423 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
424 functions += ['statfs']
426 have_func_statfs = false
429 if host_system == 'windows'
430 iphlpapi_dep = cc.find_library('iphlpapi')
431 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
432 foreach ifunc : iphlpapi_funcs
433 if cc.has_function(ifunc,
434 prefix : '#define _WIN32_WINNT 0x0601\n#include <winsock2.h>\n#include <iphlpapi.h>',
435 dependencies : iphlpapi_dep)
436 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
437 glib_conf.set(idefine, 1)
438 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
439 set_variable('have_func_' + ifunc, true)
441 set_variable('have_func_' + ifunc, false)
445 functions += ['if_indextoname', 'if_nametoindex']
448 # AIX splice is something else
449 if host_system != 'aix'
450 functions += ['splice']
453 foreach f : functions
454 if cc.has_function(f)
455 define = 'HAVE_' + f.underscorify().to_upper()
456 glib_conf.set(define, 1)
457 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
458 set_variable('have_func_' + f, true)
460 set_variable('have_func_' + f, false)
464 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
465 no_builtin_args = cc.get_supported_arguments(['-fno-builtin'])
470 # Check that stpcpy() is not a builtin
471 if cc.links('''#include <string.h>
472 int main (int argc, char ** argv) {
474 return stpcpy (p, argv[0]) != NULL;
477 args : no_builtin_args,
478 name : 'stpcpy() is not a builtin')
479 glib_conf.set('HAVE_STPCPY', 1)
482 # Check that posix_memalign() is not a builtin
483 if cc.links('''#include <stdlib.h>
484 int main (int argc, char ** argv) {
486 return posix_memalign (&p, 16, argc);
489 args : no_builtin_args,
490 name : 'posix_memalign() is not a builtin')
491 glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
494 # Check whether strerror_r returns char *
495 if have_func_strerror_r
496 if cc.compiles('''#define _GNU_SOURCE
499 char error_string[256];
500 char *ptr = strerror_r (-2, error_string, 256);
501 char c = *strerror_r (-2, error_string, 256);
502 return c != 0 && ptr != (void*) 0L;
505 name : 'strerror_r() returns char *')
506 glib_conf.set('STRERROR_R_CHAR_P', 1,
507 description: 'Defined if strerror_r returns char *')
511 # Special-case these functions that have alternative names on Windows/MSVC
512 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
513 glib_conf.set('HAVE_SNPRINTF', 1)
514 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
515 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
516 hack_define = '1\n#define snprintf _snprintf'
517 glib_conf.set('HAVE_SNPRINTF', hack_define)
518 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
521 if cc.has_function('strcasecmp')
522 glib_conf.set('HAVE_STRCASECMP', 1)
523 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
524 elif cc.has_function('_stricmp')
525 hack_define = '1\n#define strcasecmp _stricmp'
526 glib_conf.set('HAVE_STRCASECMP', hack_define)
527 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
530 if cc.has_function('strncasecmp')
531 glib_conf.set('HAVE_STRNCASECMP', 1)
532 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
533 elif cc.has_function('_strnicmp')
534 hack_define = '1\n#define strncasecmp _strnicmp'
535 glib_conf.set('HAVE_STRNCASECMP', hack_define)
536 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
539 if cc.has_header_symbol('sys/sysmacros.h', 'major')
540 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
541 elif cc.has_header_symbol('sys/mkdev.h', 'major')
542 glib_conf.set('MAJOR_IN_MKDEV', 1)
545 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
546 glib_conf.set('HAVE_RTLD_LAZY', 1)
549 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
550 glib_conf.set('HAVE_RTLD_NOW', 1)
553 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
554 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
557 # Check whether to use statfs or statvfs
558 # Some systems have both statfs and statvfs, pick the most "native" for these
559 if have_func_statfs and have_func_statvfs
560 # on solaris and irix, statfs doesn't even have the f_bavail field
561 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
562 have_func_statfs = false
564 # at least on linux, statfs is the actual syscall
565 have_func_statvfs = false
569 glib_conf.set('USE_STATFS', 1)
570 stat_func_to_use = 'statfs'
571 elif have_func_statvfs
572 glib_conf.set('USE_STATVFS', 1)
573 stat_func_to_use = 'statvfs'
575 stat_func_to_use = 'neither'
577 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
579 if host_system == 'linux'
580 if cc.has_function('mkostemp',
581 prefix: '''#define _GNU_SOURCE
582 #include <stdlib.h>''')
583 glib_conf.set('HAVE_MKOSTEMP', 1)
589 # Mac OS X Carbon support
590 glib_have_carbon = cc.compiles('''#include <Carbon/Carbon.h>
591 #include <CoreServices/CoreServices.h>''',
592 name : 'Mac OS X Carbon support')
594 glib_have_os_x_9_or_later = false
597 glib_conf.set('HAVE_CARBON', true)
598 osx_ldflags += '-Wl,-framework,Carbon'
599 glib_have_os_x_9_or_later = cc.compiles('''#include <AvailabilityMacros.h>
600 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
601 #error Compiling for minimum OS X version before 10.9
602 #endif''', name : 'OS X 9 or later')
605 # Mac OS X Cocoa support
606 glib_have_cocoa = cc.compiles('''#include <Cocoa/Cocoa.h>
607 #ifdef GNUSTEP_BASE_VERSION
608 #error "Detected GNUstep, not Cocoa"
610 name : 'Mac OS X Cocoa support')
613 glib_conf.set('HAVE_COCOA', true)
614 osx_ldflags += '-Wl,-framework,Foundation -Wl,-framework,AppKit'
617 add_project_link_arguments(osx_ldflags, language : 'c')
620 if cc.links('''#include <linux/futex.h>
621 #include <sys/syscall.h>
623 int main (int argc, char ** argv) {
624 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
626 }''', name : 'futex(2) system call')
627 glib_conf.set('HAVE_FUTEX', 1)
630 # Check for eventfd(2)
631 if cc.links('''#include <sys/eventfd.h>
633 int main (int argc, char ** argv) {
634 eventfd (0, EFD_CLOEXEC);
636 }''', name : 'eventfd(2) system call')
637 glib_conf.set('HAVE_EVENTFD', 1)
640 clock_gettime_test_code = '''
643 int main (int argc, char ** argv) {
644 return clock_gettime(CLOCK_REALTIME, &t);
647 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
648 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
649 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
650 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
651 librt = cc.find_library('rt')
654 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
656 if cc.compiles(glib_conf_prefix + '''
658 #ifdef HAVE_SYS_PARAM_H
659 #include <sys/param.h>
661 #ifdef HAVE_SYS_VFS_H
664 #ifdef HAVE_SYS_MOUNT_H
665 #include <sys/mount.h>
667 #ifdef HAVE_SYS_STATFS_H
668 #include <sys/statfs.h>
670 void some_func (void) {
673 }''', name : 'number of arguments to statfs() (n=2)')
674 glib_conf.set('STATFS_ARGS', 2)
675 elif cc.compiles(glib_conf_prefix + '''
677 #ifdef HAVE_SYS_PARAM_H
678 #include <sys/param.h>
680 #ifdef HAVE_SYS_VFS_H
683 #ifdef HAVE_SYS_MOUNT_H
684 #include <sys/mount.h>
686 #ifdef HAVE_SYS_STATFS_H
687 #include <sys/statfs.h>
689 void some_func (void) {
691 statfs("/", &st, sizeof (st), 0);
692 }''', name : 'number of arguments to statfs() (n=4)')
693 glib_conf.set('STATFS_ARGS', 4)
695 error('Unable to determine number of arguments to statfs()')
699 # open takes O_DIRECTORY as an option
701 if cc.compiles('''#include <fcntl.h>
702 #include <sys/types.h>
703 #include <sys/stat.h>],
704 void some_func (void) {
705 open(0, O_DIRECTORY, 0);
706 }''', name : 'open() option O_DIRECTORY')
707 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
710 # Check whether there is a vsnprintf() function with C99 semantics installed.
711 # AC_FUNC_VSNPRINTF_C99
712 # Check whether there is a snprintf() function with C99 semantics installed.
713 # AC_FUNC_SNPRINTF_C99
715 have_good_vsnprintf = false
716 have_good_snprintf = false
718 if host_system == 'windows'
719 # Unfortunately the mingw and Visual Studio 2015+ implementations of C99-style
720 # snprintf and vsnprintf don't seem to be quite good enough, at least not in
721 # mingw-runtime-3.14. (Sorry, I don't know exactly what is the problem,
722 # but it is related to floating point formatting and decimal point vs. comma.)
723 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
724 # rigorous enough to notice, though.
725 glib_conf.set('HAVE_C99_SNPRINTF', false)
726 glib_conf.set('HAVE_C99_VSNPRINTF', false)
728 vsnprintf_c99_test_code = '''
740 r = vsnprintf(buffer, 5, s, args);
746 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
747 implementation. The above will return 7 but if you replace
748 the size of the buffer with 0, it borks! */
750 r = vsnprintf(buffer, 0, s, args);
767 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
768 if rres.compiled() and rres.returncode() == 0
769 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
770 have_good_vsnprintf = true
773 have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
774 glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
777 snprintf_c99_test_code = '''
788 r = snprintf(buffer, 5, "1234567");
793 r = snprintf(buffer, 0, "1234567");
798 r = snprintf(NULL, 0, "1234567");
814 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
815 if rres.compiled() and rres.returncode() == 0
816 glib_conf.set('HAVE_C99_SNPRINTF', 1)
817 have_good_snprintf = true
820 have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
821 glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
825 if host_system == 'windows'
826 glib_conf.set_quoted('EXEEXT', '.exe')
828 glib_conf.set('EXEEXT', '')
831 if have_good_vsnprintf and have_good_snprintf
832 # Our printf is 'good' only if vsnpintf()/snprintf() supports C99 well enough
833 glib_conf.set('HAVE_GOOD_PRINTF', 1) # FIXME: Check for HAVE_UNIX98_PRINTF?
835 glib_conf.set('HAVE_VASPRINTF', 1)
838 # Check whether the printf() family supports Unix98 %n$ positional parameters
839 # AC_FUNC_PRINTF_UNIX98
840 # Nothing uses HAVE_UNIX98_PRINTF
843 # Check for nl_langinfo and CODESET
844 # FIXME: Check for HAVE_BIND_TEXTDOMAIN_CODESET
845 if cc.links('''#include <langinfo.h>
846 int main (int argc, char ** argv) {
847 char *codeset = nl_langinfo (CODESET);
849 }''', name : 'nl_langinfo and CODESET')
850 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
851 glib_conf.set('HAVE_CODESET', 1)
854 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
855 if cc.links('''#include <langinfo.h>
856 int main (int argc, char ** argv) {
858 str = nl_langinfo (PM_STR);
859 str = nl_langinfo (D_T_FMT);
860 str = nl_langinfo (D_FMT);
861 str = nl_langinfo (T_FMT);
862 str = nl_langinfo (T_FMT_AMPM);
863 str = nl_langinfo (MON_1);
864 str = nl_langinfo (ABMON_12);
865 str = nl_langinfo (DAY_1);
866 str = nl_langinfo (ABDAY_7);
868 }''', name : 'nl_langinfo (PM_STR)')
869 glib_conf.set('HAVE_LANGINFO_TIME', 1)
871 if cc.links('''#include <langinfo.h>
872 int main (int argc, char ** argv) {
874 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
875 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
876 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
877 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
878 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
879 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
880 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
881 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
882 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
883 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
885 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
886 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
889 # Check for nl_langinfo and alternative month names
890 if cc.links('''#ifndef _GNU_SOURCE
893 #include <langinfo.h>
894 int main (int argc, char ** argv) {
896 str = nl_langinfo (ALTMON_1);
897 str = nl_langinfo (ALTMON_2);
898 str = nl_langinfo (ALTMON_3);
899 str = nl_langinfo (ALTMON_4);
900 str = nl_langinfo (ALTMON_5);
901 str = nl_langinfo (ALTMON_6);
902 str = nl_langinfo (ALTMON_7);
903 str = nl_langinfo (ALTMON_8);
904 str = nl_langinfo (ALTMON_9);
905 str = nl_langinfo (ALTMON_10);
906 str = nl_langinfo (ALTMON_11);
907 str = nl_langinfo (ALTMON_12);
909 }''', name : 'nl_langinfo (ALTMON_n)')
910 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
913 # Check for nl_langinfo and abbreviated alternative month names
914 if cc.links('''#ifndef _GNU_SOURCE
917 #include <langinfo.h>
918 int main (int argc, char ** argv) {
920 str = nl_langinfo (_NL_ALTMON_1);
921 str = nl_langinfo (_NL_ALTMON_2);
922 str = nl_langinfo (_NL_ALTMON_3);
923 str = nl_langinfo (_NL_ALTMON_4);
924 str = nl_langinfo (_NL_ALTMON_5);
925 str = nl_langinfo (_NL_ALTMON_6);
926 str = nl_langinfo (_NL_ALTMON_7);
927 str = nl_langinfo (_NL_ALTMON_8);
928 str = nl_langinfo (_NL_ALTMON_9);
929 str = nl_langinfo (_NL_ALTMON_10);
930 str = nl_langinfo (_NL_ALTMON_11);
931 str = nl_langinfo (_NL_ALTMON_12);
933 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
934 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
937 # Check if C compiler supports the 'signed' keyword
938 if not cc.compiles('''signed char x;''', name : 'signed')
939 glib_conf.set('signed', '/* NOOP */')
942 # Check if the ptrdiff_t type exists
943 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
944 glib_conf.set('HAVE_PTRDIFF_T', 1)
947 # Check for sig_atomic_t type
948 if cc.links('''#include <signal.h>
949 #include <sys/types.h>
950 sig_atomic_t val = 42;
951 int main (int argc, char ** argv) {
952 return val == 42 ? 0 : 1;
953 }''', name : 'sig_atomic_t')
954 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
957 # Check if 'long long' works and what format can be used to print it
958 # jm_AC_TYPE_LONG_LONG
959 # Nothing uses HAVE_LONG_LONG_FORMAT and HAVE_INT64_AND_I64
960 if cc.compiles('''long long ll = 1LL;
962 int some_func (void) {
963 long long llmax = (long long) -1;
964 return ll << i | ll >> i | llmax / ll | llmax % ll;
965 }''', name : 'long long')
966 glib_conf.set('HAVE_LONG_LONG', 1)
967 have_long_long = true
969 have_long_long = false
972 # Test whether the compiler supports the 'long double' type.
973 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
974 long double foo = 0.0;
975 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
976 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
977 name : 'long double')
978 glib_conf.set('HAVE_LONG_DOUBLE', 1)
981 #dnl Test whether <stddef.h> has the 'wchar_t' type.
982 if cc.has_header_symbol('stddef.h', 'wchar_t')
983 glib_conf.set('HAVE_WCHAR_T', 1)
986 # Test whether <wchar.h> has the 'wint_t' type.
987 if cc.has_header_symbol('wchar.h', 'wint_t')
988 glib_conf.set('HAVE_WINT_T', 1)
991 found_uintmax_t = false
993 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
994 # doesn't clash with <sys/types.h>, and declares uintmax_t.
995 # jm_AC_HEADER_INTTYPES_H
996 if cc.compiles('''#include <sys/types.h>
997 #include <inttypes.h>
998 void some_func (void) {
999 uintmax_t i = (uintmax_t) -1;
1000 }''', name : 'uintmax_t in inttypes.h')
1001 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
1002 found_uintmax_t = true
1005 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
1006 # doesn't clash with <sys/types.h>, and declares uintmax_t.
1007 # jm_AC_HEADER_STDINT_H
1008 if cc.compiles('''#include <sys/types.h>
1010 void some_func (void) {
1011 uintmax_t i = (uintmax_t) -1;
1012 }''', name : 'uintmax_t in stdint.h')
1013 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
1014 found_uintmax_t = true
1017 # Define intmax_t to 'long' or 'long long'
1018 # if it is not already defined in <stdint.h> or <inttypes.h>.
1019 # For simplicity, we assume that a header file defines 'intmax_t' if and
1020 # only if it defines 'uintmax_t'.
1022 glib_conf.set('HAVE_INTMAX_T', 1)
1024 glib_conf.set('intmax_t', 'long long')
1026 glib_conf.set('intmax_t', 'long')
1029 char_size = cc.sizeof('char')
1030 short_size = cc.sizeof('short')
1031 int_size = cc.sizeof('int')
1032 voidp_size = cc.sizeof('void*')
1033 long_size = cc.sizeof('long')
1035 long_long_size = cc.sizeof('long long')
1039 sizet_size = cc.sizeof('size_t')
1040 if cc.get_id() == 'msvc'
1041 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
1043 ssizet_size = cc.sizeof('ssize_t')
1047 char_align = cc.alignment('char')
1048 short_align = cc.alignment('short')
1049 int_align = cc.alignment('int')
1050 voidp_align = cc.alignment('void*')
1051 long_align = cc.alignment('long')
1052 long_long_align = cc.alignment('long long')
1053 # NOTE: We don't check for size of __int64 because long long is guaranteed to
1054 # be 64-bit in C99, and it is available on all supported compilers
1055 sizet_align = cc.alignment('size_t')
1057 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
1059 glib_conf.set('SIZEOF_CHAR', char_size)
1060 glib_conf.set('SIZEOF_INT', int_size)
1061 glib_conf.set('SIZEOF_SHORT', short_size)
1062 glib_conf.set('SIZEOF_LONG', long_size)
1063 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
1064 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
1065 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
1066 glib_conf.set('SIZEOF_VOID_P', voidp_size)
1079 error('Compiler provides no native 16-bit integer type')
1081 glibconfig_conf.set('gint16', gint16)
1082 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
1083 glibconfig_conf.set_quoted('gint16_format', gint16_format)
1084 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1091 guint32_align = short_align
1097 guint32_align = int_align
1103 guint32_align = long_align
1105 error('Compiler provides no native 32-bit integer type')
1107 glibconfig_conf.set('gint32', gint32)
1108 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1109 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1110 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1111 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1119 gint64_constant='(val)'
1120 guint64_constant='(val)'
1121 guint64_align = int_align
1128 gint64_constant='(val##L)'
1129 guint64_constant='(val##UL)'
1130 guint64_align = long_align
1131 elif long_long_size == 8
1132 gint64 = 'long long'
1133 glib_extension='G_GNUC_EXTENSION '
1134 gint64_modifier=int64_m
1135 gint64_format=int64_m + 'i'
1136 guint64_format=int64_m + 'u'
1137 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1138 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1139 guint64_align = long_long_align
1141 error('Compiler provides no native 64-bit integer type')
1143 glibconfig_conf.set('glib_extension', glib_extension)
1144 glibconfig_conf.set('gint64', gint64)
1145 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1146 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1147 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1148 glibconfig_conf.set('gint64_constant', gint64_constant)
1149 glibconfig_conf.set('guint64_constant', guint64_constant)
1150 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1152 if host_system == 'windows'
1153 glibconfig_conf.set('g_pid_type', 'void*')
1154 glibconfig_conf.set_quoted('g_pid_format', 'p')
1155 if host_machine.cpu_family() == 'x86_64'
1156 glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
1158 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1160 glibconfig_conf.set('g_dir_separator', '\\\\')
1161 glibconfig_conf.set('g_searchpath_separator', ';')
1163 glibconfig_conf.set('g_pid_type', 'int')
1164 glibconfig_conf.set_quoted('g_pid_format', 'i')
1165 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1166 glibconfig_conf.set('g_dir_separator', '/')
1167 glibconfig_conf.set('g_searchpath_separator', ':')
1170 if sizet_size == short_size
1171 glibconfig_conf.set('glib_size_type_define', 'short')
1172 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1173 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1174 glibconfig_conf.set_quoted('gsize_format', 'hu')
1175 glibconfig_conf.set_quoted('gssize_format', 'hi')
1176 glibconfig_conf.set('glib_msize_type', 'SHRT')
1177 elif sizet_size == int_size
1178 glibconfig_conf.set('glib_size_type_define', 'int')
1179 glibconfig_conf.set_quoted('gsize_modifier', '')
1180 glibconfig_conf.set_quoted('gssize_modifier', '')
1181 glibconfig_conf.set_quoted('gsize_format', 'u')
1182 glibconfig_conf.set_quoted('gssize_format', 'i')
1183 glibconfig_conf.set('glib_msize_type', 'INT')
1184 elif sizet_size == long_size
1185 glibconfig_conf.set('glib_size_type_define', 'long')
1186 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1187 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1188 glibconfig_conf.set_quoted('gsize_format', 'lu')
1189 glibconfig_conf.set_quoted('gssize_format', 'li')
1190 glibconfig_conf.set('glib_msize_type', 'LONG')
1191 elif sizet_size == long_long_size
1192 glibconfig_conf.set('glib_size_type_define', 'long long')
1193 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1194 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1195 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1196 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1197 glibconfig_conf.set('glib_msize_type', 'INT64')
1199 error('Could not determine size of size_t.')
1202 if voidp_size == int_size
1203 glibconfig_conf.set('glib_intptr_type_define', 'int')
1204 glibconfig_conf.set_quoted('gintptr_modifier', '')
1205 glibconfig_conf.set_quoted('gintptr_format', 'i')
1206 glibconfig_conf.set_quoted('guintptr_format', 'u')
1207 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1208 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1209 elif voidp_size == long_size
1210 glibconfig_conf.set('glib_intptr_type_define', 'long')
1211 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1212 glibconfig_conf.set_quoted('gintptr_format', 'li')
1213 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1214 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1215 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1216 elif voidp_size == long_long_size
1217 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1218 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1219 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1220 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1221 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1222 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1224 error('Could not determine size of void *')
1227 if long_size != 8 and long_long_size != 8 and int_size != 8
1228 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1231 glibconfig_conf.set('gintbits', int_size * 8)
1232 glibconfig_conf.set('glongbits', long_size * 8)
1233 glibconfig_conf.set('gsizebits', sizet_size * 8)
1234 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1236 # FIXME: maybe meson should tell us the libsuffix?
1237 if host_system == 'windows'
1238 g_module_suffix = 'dll'
1239 elif host_system == 'darwin'
1240 g_module_suffix = 'dylib'
1242 g_module_suffix = 'so'
1244 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1246 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1247 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1248 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1249 glibconfig_conf.set('GLIB_VERSION', glib_version)
1251 glibconfig_conf.set('glib_void_p', voidp_size)
1252 glibconfig_conf.set('glib_long', long_size)
1253 glibconfig_conf.set('glib_size_t', sizet_size)
1254 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1255 if host_machine.endian() == 'big'
1256 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1257 glibconfig_conf.set('g_bs_native', 'BE')
1258 glibconfig_conf.set('g_bs_alien', 'LE')
1260 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1261 glibconfig_conf.set('g_bs_native', 'LE')
1262 glibconfig_conf.set('g_bs_alien', 'BE')
1265 # === va_copy checks ===
1266 # we currently check for all three va_copy possibilities, so we get
1267 # all results in config.log for bug reports.
1270 foreach try_func : [ '__va_copy', 'va_copy' ]
1271 if cc.compiles('''#include <stdarg.h>
1274 # include "msvc_recommended_pragmas.h"
1276 void f (int i, ...) {
1277 va_list args1, args2;
1278 va_start (args1, i);
1280 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1282 va_end (args1); va_end (args2);
1287 }'''.format(try_func),
1288 name : try_func + ' check')
1289 va_copy_func = try_func
1292 if va_copy_func != ''
1293 glib_conf.set('G_VA_COPY', va_copy_func)
1294 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1296 glib_vacopy = '/* #undef G_VA_COPY */'
1299 va_list_val_copy_prog = '''
1302 void f (int i, ...) {
1303 va_list args1, args2;
1304 va_start (args1, i);
1306 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1308 va_end (args1); va_end (args2);
1316 rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1317 glib_va_val_copy = rres.returncode() == 0
1319 glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
1321 if not glib_va_val_copy
1322 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1323 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1325 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1327 # check for flavours of varargs macros
1328 g_have_iso_c_varargs = cc.compiles('''
1329 void some_func (void) {
1330 int a(int p1, int p2, int p3);
1331 #define call_a(...) a(1,__VA_ARGS__)
1333 }''', name : 'ISO C99 varargs macros in C')
1335 if g_have_iso_c_varargs
1336 glibconfig_conf.set('g_have_iso_c_varargs', '''
1338 # define G_HAVE_ISO_VARARGS 1
1342 g_have_iso_cxx_varargs = cxx.compiles('''
1343 void some_func (void) {
1344 int a(int p1, int p2, int p3);
1345 #define call_a(...) a(1,__VA_ARGS__)
1347 }''', name : 'ISO C99 varargs macros in C++')
1349 if g_have_iso_cxx_varargs
1350 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1352 # define G_HAVE_ISO_VARARGS 1
1356 g_have_gnuc_varargs = cc.compiles('''
1357 void some_func (void) {
1358 int a(int p1, int p2, int p3);
1359 #define call_a(params...) a(1,params)
1361 }''', name : 'GNUC varargs macros')
1363 if cc.has_header('alloca.h')
1364 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1366 has_syspoll = cc.has_header('sys/poll.h')
1367 has_systypes = cc.has_header('sys/types.h')
1369 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1371 has_winsock2 = cc.has_header('winsock2.h')
1373 if has_syspoll and has_systypes
1375 #include<sys/poll.h>
1376 #include<sys/types.h>'''
1379 #define _WIN32_WINNT 0x0600
1380 #include <winsock2.h>'''
1383 error('FIX POLL* defines')
1387 [ 'POLLIN', 'g_pollin', 1 ],
1388 [ 'POLLOUT', 'g_pollout', 4 ],
1389 [ 'POLLPRI', 'g_pollpri', 2 ],
1390 [ 'POLLERR', 'g_pollerr', 8 ],
1391 [ 'POLLHUP', 'g_pollhup', 16 ],
1392 [ 'POLLNVAL', 'g_pollnval', 32 ],
1395 if has_syspoll and has_systypes
1396 foreach d : poll_defines
1397 val = cc.compute_int(d[0], prefix: poll_includes)
1398 glibconfig_conf.set(d[1], val)
1401 # Due to a missed bug in configure.ac the poll test
1402 # never succeeded on Windows and used some pre-defined
1403 # values as a fallback. Keep using them to maintain
1404 # ABI compatibility with autotools builds of glibs
1405 # and with *any* glib-using code compiled against them,
1406 # since these values end up in a public header glibconfig.h.
1407 foreach d : poll_defines
1408 glibconfig_conf.set(d[1], d[2])
1412 # Internet address families
1413 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1414 if host_system == 'windows'
1416 #include <winsock2.h>'''
1419 #include <sys/types.h>
1420 #include <sys/socket.h>'''
1424 [ 'AF_UNIX', 'g_af_unix' ],
1425 [ 'AF_INET', 'g_af_inet' ],
1426 [ 'AF_INET6', 'g_af_inet6' ],
1427 [ 'MSG_OOB', 'g_msg_oob' ],
1428 [ 'MSG_PEEK', 'g_msg_peek' ],
1429 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1431 foreach d : inet_defines
1432 val = cc.compute_int(d[0], prefix: inet_includes)
1433 glibconfig_conf.set(d[1], val)
1436 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', true) # FIXME!
1438 # We need a more robust approach here...
1439 host_cpu_family = host_machine.cpu_family()
1440 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')
1441 glib_memory_barrier_needed = false
1442 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1443 glib_memory_barrier_needed = true
1445 warning('Unknown host cpu: ' + host_cpu_family)
1446 glib_memory_barrier_needed = true
1448 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
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 = '''void func() {
1457 volatile int atomic = 2;
1458 __sync_bool_compare_and_swap (&atomic, 2, 3);
1461 if cc.compiles(atomictest)
1462 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', true)
1464 if host_machine.cpu_family() == 'x86' and cc.compiles(atomictest, args : '-march=i486')
1465 error('GLib must be built with -march=i486 or later.')
1467 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', false)
1472 # Let meson figure out all this business and whether -pthread or whatnot is needed
1473 # FIXME: probably needs more tweaking in meson for things like -D_REENTRANT etc.
1474 thread_dep = dependency('threads')
1476 # Determination of thread implementation
1477 if host_system == 'windows'
1478 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1479 glib_conf.set('THREADS_WIN32', 1)
1481 pthread_prefix = '''
1483 # define _GNU_SOURCE
1485 #include <pthread.h>'''
1486 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1487 glib_conf.set('THREADS_POSIX', 1)
1488 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1489 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1491 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1492 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1494 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1495 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1497 if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
1498 glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
1500 # Assume that pthread_setname_np is available in some form; same as configure
1501 if cc.links(pthread_prefix + '''
1503 pthread_setname_np("example");
1505 name : 'pthread_setname_np(const char*)',
1506 dependencies : thread_dep)
1508 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1509 elif cc.links(pthread_prefix + '''
1511 pthread_setname_np(pthread_self(), "example");
1513 name : 'pthread_setname_np(pthread_t, const char*)',
1514 dependencies : thread_dep)
1515 # Linux, Solaris, etc.
1516 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1520 # FIXME: we should make it print the result and always return 0, so that
1521 # the output in meson shows up as green
1522 stack_grows_check_prog = '''
1523 volatile int *a = 0, *b = 0;
1535 return b > a ? 0 : 1;
1539 rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
1540 growing_stack = rres.returncode() == 0
1542 growing_stack = meson.get_cross_property('growing_stack', false)
1545 glibconfig_conf.set('G_HAVE_GROWING_STACK', growing_stack)
1549 # USE_LIBICONV_GNU: Using GNU libiconv
1550 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1552 # We should never use the MinGW C library's iconv. On Windows we use the
1553 # GNU implementation that ships with MinGW.
1555 # On Windows, just always use the built-in implementation
1556 if host_system == 'windows'
1558 glib_conf.set('USE_LIBICONV_NATIVE', true)
1561 iconv_opt = get_option('iconv')
1562 if iconv_opt == 'libc'
1563 if cc.has_function('iconv_open')
1567 elif iconv_opt == 'gnu'
1568 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1569 glib_conf.set('USE_LIBICONV_GNU', true)
1570 libiconv = [cc.find_library('iconv')]
1573 elif iconv_opt == 'native'
1574 if cc.has_header_symbol('iconv.h', 'iconv_open')
1575 glib_conf.set('USE_LIBICONV_NATIVE', true)
1576 libiconv = [cc.find_library('iconv')]
1582 error('No iconv() implementation found in C library or libiconv')
1587 if get_option('internal_pcre')
1589 use_system_pcre = false
1591 pcre = dependency('libpcre', required : false) # Should check for Unicode support, too. FIXME
1593 if cc.get_id() == 'msvc'
1594 # MSVC: Search for the PCRE library by the configuration, which corresponds
1595 # to the output of CMake builds of PCRE. Note that debugoptimized
1596 # is really a Release build with .PDB files.
1597 if buildtype == 'debug'
1598 pcre = cc.find_library('pcred', required : false)
1600 pcre = cc.find_library('pcre', required : false)
1604 use_system_pcre = pcre.found()
1606 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1608 use_pcre_static_flag = false
1610 if host_system == 'windows'
1611 if not use_system_pcre
1612 use_pcre_static_flag = true
1614 pcre_static = cc.links('''#define PCRE_STATIC
1622 name : 'Windows system PCRE is a static build')
1624 use_pcre_static_flag = true
1629 libm = cc.find_library('m', required : false)
1630 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1631 zlib_libname = '-lz'
1632 if cc.get_id() != 'msvc'
1633 libz_dep = dependency('zlib', fallback : ['zlib', 'zlib_dep'])
1635 # MSVC: Don't use the bundled ZLib sources until we are sure that we can't
1636 # find the ZLib .lib
1637 libz_dep = dependency('zlib', required : false)
1639 # MSVC: Search for the ZLib .lib, which corresponds to the results of
1640 # of using ZLib's win32/makefile.msc.
1641 if not libz_dep.found()
1642 libz_dep = cc.find_library('zlib1', required : false)
1644 zlib_libname = '-lzlib1'
1646 libz_dep = cc.find_library('zlib', required : false)
1648 zlib_libname = '-lzlib'
1650 libz_dep = subproject('zlib').get_variable('zlib_dep')
1656 # Only used on non-glibc targets
1657 libintl = cc.find_library('intl', required : false)
1658 if host_system == 'windows' and not libintl.found()
1659 # Used only when the gettext library is not available (MSVC, not MinGW)
1660 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1661 glib_conf.set('HAVE_DCGETTEXT', 1)
1663 glib_conf.set('HAVE_DCGETTEXT', cc.has_header_symbol('libintl.h', 'dcgettext'))
1665 # We require gettext to always be present
1666 glib_conf.set('HAVE_GETTEXT', 1)
1667 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1668 # xgettext is optional (on Windows for instance)
1669 xgettext = find_program('xgettext', required : false)
1671 # libmount is only used by gio, but we need to fetch the libs to generate the
1672 # pkg-config file below
1674 if host_system == 'linux' and get_option('libmount')
1675 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1678 if host_system == 'windows'
1679 winsock2 = cc.find_library('ws2_32')
1683 if host_system == 'linux' and get_option('selinux')
1684 selinux_dep = [dependency('libselinux')]
1685 glib_conf.set('SELINUX_LIBS', '-lselinux')
1686 glib_conf.set('HAVE_SELINUX', 1)
1690 if host_system != 'windows' and get_option('xattr')
1691 # either glibc or libattr can provide xattr support
1692 # for both of them, we check for getxattr being in
1693 # the library and a valid xattr header.
1696 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1697 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1698 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1699 #failure. try libattr
1700 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1701 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1702 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1703 xattr_dep = [cc.find_library('xattr')]
1705 error('No getxattr implementation found in C library or libxattr')
1708 glib_conf.set('HAVE_XATTR', 1)
1709 if cc.compiles(glib_conf_prefix + '''
1711 #ifdef HAVE_SYS_TYPES_H
1712 #include <sys/types.h>
1714 #ifdef HAVE_SYS_XATTR_H
1715 #include <sys/xattr.h>
1716 #elif HAVE_ATTR_XATTR_H
1717 #include <attr/xattr.h>
1721 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1723 name : 'XATTR_NOFOLLOW')
1724 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1728 python = import('python3').find_python()
1730 # Determine which user environment-dependent files that we want to install
1731 have_bash = find_program('bash', required : false).found() # For completion scripts
1732 have_m4 = find_program('m4', required : false).found() # For m4 macros
1733 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1735 # FIXME: defines in config.h that are not actually used anywhere
1736 # (we add them for now to minimise the diff)
1737 glib_conf.set('HAVE_DLFCN_H', 1)
1738 glib_conf.set('__EXTENSIONS__', 1)
1739 glib_conf.set('STDC_HEADERS', 1)
1741 glib_conf.set('SIZEOF___INT64', 8)
1743 # Various substs needed for our pkg-config files
1744 # FIXME: Derive these from the dependency() objects (Meson support needed)
1745 glib_conf.set('ZLIB_LIBS', zlib_libname)
1746 glib_conf.set('LIBFFI_LIBS', '-lffi')
1748 glib_conf.set('INTLLIBS', '-lintl')
1750 if libiconv.length() != 0
1751 glib_conf.set('ICONV_LIBS', '-liconv')
1754 glib_conf.set('PCRE_LIBS', '-lpcre')
1756 if libmount_dep.length() != 0
1757 glib_conf.set('LIBMOUNT_LIBS', '-lmount')
1758 glib_conf.set('HAVE_LIBMOUNT', 1)
1760 glib_conf.set('GIO_MODULE_DIR', glib_giomodulesdir)
1762 # @COCOA_LIBS@ @CARBON_LIBS@ @G_LIBS_EXTRA@ @GLIB_EXTRA_CFLAGS@
1763 # @G_MODULE_LDFLAGS@
1766 want_dtrace = get_option('dtrace')
1767 enable_dtrace = false
1769 # Since dtrace support is opt-in we just error out if it was requested but
1770 # is not available. We don't bother with autodetection yet.
1773 error('GLib dtrace support not yet compatible with macOS dtrace')
1775 dtrace = find_program('dtrace', required : true) # error out if not found
1776 if not cc.has_header('sys/sdt.h')
1777 error('dtrace support needs sys/sdt.h header')
1779 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1780 dtrace_obj_gen = generator(dtrace,
1781 output : '@BASENAME@.o',
1782 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1783 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1784 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1785 dtrace_hdr_gen = generator(dtrace,
1786 output : '@BASENAME@.h',
1787 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1788 glib_conf.set('HAVE_DTRACE', 1)
1789 enable_dtrace = true
1793 want_systemtap = get_option('systemtap')
1794 enable_systemtap = false
1796 if want_systemtap and enable_dtrace
1797 tapset_install_dir = get_option('tapset_install_dir')
1798 if tapset_install_dir == ''
1799 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1801 stp_cdata = configuration_data()
1802 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1803 stp_cdata.set('LT_CURRENT', minor_version * 100)
1804 stp_cdata.set('LT_REVISION', micro_version)
1805 enable_systemtap = true
1809 pkg = import('pkgconfig')
1810 windows = import('windows')
1821 # NOTE: We skip glib-zip.in because the filenames it assumes don't match ours
1823 # Install glib-gettextize executable, if a UNIX-style shell is found
1825 configure_file(input : 'glib-gettextize.in',
1827 install_dir : 'bin',
1828 output : 'glib-gettextize',
1829 configuration : glib_conf)
1833 # Install m4 macros that other projects use
1834 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1835 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1838 if host_system != 'windows'
1839 # Install Valgrind suppression file (except on Windows,
1840 # as Valgrind is currently not supported on Windows)
1841 install_data('glib.supp',
1842 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
1845 configure_file(input : 'config.h.meson',
1846 output : 'config.h',
1847 configuration : glib_conf)
1849 if host_system == 'windows'
1850 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
1853 if get_option('man')
1854 xsltproc = find_program('xsltproc', required : true)
1855 xsltproc_command = [
1858 '--stringparam', 'man.output.quietly', '1',
1859 '--stringparam', 'funcsynopsis.style', 'ansi',
1860 '--stringparam', 'man.th.extra1.suppress', '1',
1861 '--stringparam', 'man.authors.section.enabled', '0',
1862 '--stringparam', 'man.copyright.section.enabled', '0',
1864 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
1867 man1_dir = get_option('mandir') + '/man1'
1870 gnome = import('gnome')
1871 subdir('docs/reference/glib')
1872 subdir('docs/reference/gobject')
1873 subdir('docs/reference/gio')