1 project('glib', 'c', 'cpp',
3 meson_version : '>= 0.44.0',
10 cc = meson.get_compiler('c')
11 cxx = meson.get_compiler('cpp')
13 if cc.get_id() == 'msvc'
14 # Ignore several spurious warnings for things glib does very commonly
15 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
16 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
17 # NOTE: Only add warnings here if you are sure they're spurious
18 add_project_arguments('/wd4035', '/wd4715', '/wd4116',
19 '/wd4046', '/wd4068', '/wo4090', '/FImsvc_recommended_pragmas.h',language : 'c')
20 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
21 # are built with MinGW
22 noseh_link_args = ['/SAFESEH:NO']
25 # -mms-bitfields vs -fnative-struct ?
28 host_system = host_machine.system()
30 glib_version = meson.project_version()
31 glib_api_version = '2.0'
32 version_arr = glib_version.split('.')
33 major_version = version_arr[0].to_int()
34 minor_version = version_arr[1].to_int()
35 micro_version = version_arr[2].to_int()
37 interface_age = minor_version.is_odd() ? 0 : micro_version
38 binary_age = 100 * minor_version + micro_version
41 # Maintain compatibility with previous libtool versioning
42 # current = minor * 100 + micro
43 library_version = '@0@.@1@.@2@'.format(soversion, binary_age - interface_age, interface_age)
45 configinc = include_directories('.')
46 glibinc = include_directories('glib')
47 gobjectinc = include_directories('gobject')
48 gmoduleinc = include_directories('gmodule')
49 gioinc = include_directories('gio')
51 glib_prefix = get_option('prefix')
52 glib_bindir = join_paths(glib_prefix, get_option('bindir'))
53 glib_libdir = join_paths(glib_prefix, get_option('libdir'))
54 glib_datadir = join_paths(glib_prefix, get_option('datadir'))
55 glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
56 glib_includedir = join_paths(glib_prefix, get_option('includedir'))
57 glib_giomodulesdir = get_option('gio_module_dir')
58 if glib_giomodulesdir == ''
59 glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
62 glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
64 add_project_arguments('-D_GNU_SOURCE', language: 'c')
66 # Disable strict aliasing;
67 # see https://bugzilla.gnome.org/show_bug.cgi?id=791622
68 if cc.has_argument('-fno-strict-aliasing')
69 add_project_arguments('-fno-strict-aliasing', language: 'c')
72 ########################
73 # Configuration begins #
74 ########################
75 glib_conf = configuration_data()
76 glibconfig_conf = configuration_data()
78 # accumulated list of defines as we check for them, so we can easily
79 # use them later in test programs (autoconf does this automatically)
82 glib_conf.set('GLIB_VERSION', glib_version)
83 glib_conf.set('GLIB_MAJOR_VERSION', major_version)
84 glib_conf.set('GLIB_MINOR_VERSION', minor_version)
85 glib_conf.set('GLIB_MICRO_VERSION', micro_version)
86 glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
87 glib_conf.set('GLIB_BINARY_AGE', binary_age)
88 glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
89 glib_conf.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=glib')
90 glib_conf.set_quoted('PACKAGE_NAME', 'glib')
91 glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
92 glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
93 glib_conf.set_quoted('PACKAGE_URL', '')
94 glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
95 glib_conf.set('ENABLE_NLS', 1)
97 # Variables used in glib-gettextize and pkg-config files
98 # These should not contain " quotes around the values
99 glib_conf.set('PACKAGE', 'glib')
100 glib_conf.set('VERSION', meson.project_version())
101 glib_conf.set('prefix', glib_prefix)
102 glib_conf.set('exec_prefix', glib_prefix)
103 glib_conf.set('libdir', glib_libdir)
104 glib_conf.set('includedir', glib_includedir)
105 glib_conf.set('datadir', glib_datadir)
106 glib_conf.set('datarootdir', glib_datadir)
108 glib_conf.set('_GNU_SOURCE', 1)
110 if host_system == 'windows'
111 # Poll doesn't work on devices on Windows
112 glib_conf.set('BROKEN_POLL', true)
115 # Detect and set symbol visibility
116 glib_hidden_visibility_args = []
117 if get_option('default_library') != 'static'
118 if host_system == 'windows'
119 glib_conf.set('DLL_EXPORT', true)
120 if cc.get_id() == 'msvc'
121 glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
122 elif cc.has_argument('-fvisibility=hidden')
123 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
124 glib_hidden_visibility_args = ['-fvisibility=hidden']
126 elif cc.has_argument('-fvisibility=hidden')
127 glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
128 glib_hidden_visibility_args = ['-fvisibility=hidden']
132 if host_system == 'windows' and get_option('default_library') == 'static'
133 glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
134 glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
137 # FIXME: what about Cygwin (G_WITH_CYGWIN)
138 if host_system == 'windows'
139 glib_os = '''#define G_OS_WIN32
140 #define G_PLATFORM_WIN32'''
142 glib_os = '#define G_OS_UNIX'
144 glibconfig_conf.set('glib_os', glib_os)
146 # We need to know the build type to determine what .lib files we need on Visual Studio
147 # for dependencies that don't normally come with pkg-config files for Visual Studio builds
148 buildtype = get_option('buildtype')
150 # check for header files
186 'dirent.h', # MSC does not come with this by default
187 'sys/time.h', # MSC does not come with this by default
205 define = 'HAVE_' + h.underscorify().to_upper()
206 glib_conf.set(define, 1)
207 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
211 if cc.has_header('linux/netlink.h')
212 glib_conf.set('HAVE_NETLINK', 1)
215 if glib_conf.has('HAVE_LOCALE_H')
216 if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
217 glib_conf.set('HAVE_LC_MESSAGES', 1)
221 struct_stat_blkprefix = '''
222 #include <sys/types.h>
223 #include <sys/stat.h>
227 #ifdef HAVE_SYS_STATFS_H
228 #include <sys/statfs.h>
230 #ifdef HAVE_SYS_PARAM_H
231 #include <sys/param.h>
233 #ifdef HAVE_SYS_MOUNT_H
234 #include <sys/mount.h>
239 [ 'stat', 'st_mtimensec' ],
240 [ 'stat', 'st_mtim.tv_nsec' ],
241 [ 'stat', 'st_atimensec' ],
242 [ 'stat', 'st_atim.tv_nsec' ],
243 [ 'stat', 'st_ctimensec' ],
244 [ 'stat', 'st_ctim.tv_nsec' ],
245 [ 'stat', 'st_birthtime' ],
246 [ 'stat', 'st_birthtimensec' ],
247 [ 'stat', 'st_birthtim' ],
248 [ 'stat', 'st_birthtim.tv_nsec' ],
249 [ 'stat', 'st_blksize', struct_stat_blkprefix ],
250 [ 'stat', 'st_blocks', struct_stat_blkprefix ],
251 [ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
252 [ 'statfs', 'f_bavail', struct_stat_blkprefix ],
253 [ 'dirent', 'd_type', '''#include <sys/types.h>
254 #include <dirent.h>''' ],
257 foreach m : struct_members
258 header_check_prefix = glib_conf_prefix
260 header_check_prefix = header_check_prefix + m[2]
262 header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
264 if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
265 define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
266 glib_conf.set(define, 1)
267 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
273 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
276 '-Wduplicated-branches',
277 '-Wstrict-prototypes',
278 '-Werror=declaration-after-statement',
280 '-Werror=format-security',
281 '-Werror=implicit-function-declaration',
283 '-Werror=missing-include-dirs',
284 '-Werror=missing-prototypes',
285 '-Werror=pointer-arith',
291 add_project_arguments(cc.get_supported_arguments(test_c_args), language: 'c')
293 # Windows Support (Vista+)
294 if host_system == 'windows'
295 glib_conf.set('_WIN32_WINNT', '0x0601')
358 if glib_conf.has('HAVE_SYS_STATVFS_H')
359 functions += ['statvfs']
361 have_func_statvfs = false
363 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
364 functions += ['statfs']
366 have_func_statfs = false
369 if host_system == 'windows'
370 iphlpapi_dep = cc.find_library('iphlpapi')
371 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
372 foreach ifunc : iphlpapi_funcs
373 if cc.has_function(ifunc,
374 prefix : '#define _WIN32_WINNT 0x0601\n#include <winsock2.h>\n#include <iphlpapi.h>',
375 dependencies : iphlpapi_dep)
376 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
377 glib_conf.set(idefine, 1)
378 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
379 set_variable('have_func_' + ifunc, true)
381 set_variable('have_func_' + ifunc, false)
385 functions += ['if_indextoname', 'if_nametoindex']
388 # AIX splice is something else
389 if host_system != 'aix'
390 functions += ['splice']
393 foreach f : functions
394 if cc.has_function(f)
395 define = 'HAVE_' + f.underscorify().to_upper()
396 glib_conf.set(define, 1)
397 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
398 set_variable('have_func_' + f, true)
400 set_variable('have_func_' + f, false)
404 # Check whether strerror_r returns char *
405 if have_func_strerror_r
406 if cc.compiles('''#define _GNU_SOURCE
409 char error_string[256];
410 char *ptr = strerror_r (-2, error_string, 256);
411 char c = *strerror_r (-2, error_string, 256);
412 return c != 0 && ptr != (void*) 0L;
415 name : 'strerror_r() returns char *')
416 glib_conf.set('STRERROR_R_CHAR_P', 1,
417 description: 'Defined if strerror_r returns char *')
421 # Special-case these functions that have alternative names on Windows/MSVC
422 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
423 glib_conf.set('HAVE_SNPRINTF', 1)
424 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
425 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
426 hack_define = '1\n#define snprintf _snprintf'
427 glib_conf.set('HAVE_SNPRINTF', hack_define)
428 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
431 if cc.has_function('strcasecmp')
432 glib_conf.set('HAVE_STRCASECMP', 1)
433 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
434 elif cc.has_function('_stricmp')
435 hack_define = '1\n#define strcasecmp _stricmp'
436 glib_conf.set('HAVE_STRCASECMP', hack_define)
437 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
440 if cc.has_function('strncasecmp')
441 glib_conf.set('HAVE_STRNCASECMP', 1)
442 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
443 elif cc.has_function('_strnicmp')
444 hack_define = '1\n#define strncasecmp _strnicmp'
445 glib_conf.set('HAVE_STRNCASECMP', hack_define)
446 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
449 if cc.has_header_symbol('sys/sysmacros.h', 'major')
450 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
451 elif cc.has_header_symbol('sys/mkdev.h', 'major')
452 glib_conf.set('MAJOR_IN_MKDEV', 1)
455 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
456 glib_conf.set('HAVE_RTLD_LAZY', 1)
459 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
460 glib_conf.set('HAVE_RTLD_NOW', 1)
463 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
464 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
467 # Check whether to use statfs or statvfs
468 # Some systems have both statfs and statvfs, pick the most "native" for these
469 if have_func_statfs and have_func_statvfs
470 # on solaris and irix, statfs doesn't even have the f_bavail field
471 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
472 have_func_statfs = false
474 # at least on linux, statfs is the actual syscall
475 have_func_statvfs = false
479 glib_conf.set('USE_STATFS', 1)
480 stat_func_to_use = 'statfs'
481 elif have_func_statvfs
482 glib_conf.set('USE_STATVFS', 1)
483 stat_func_to_use = 'statvfs'
485 stat_func_to_use = 'neither'
487 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
489 if host_system == 'linux'
490 if cc.has_function('mkostemp',
491 prefix: '''#define _GNU_SOURCE
492 #include <stdlib.h>''')
493 glib_conf.set('HAVE_MKOSTEMP', 1)
499 # Mac OS X Carbon support
500 glib_have_carbon = cc.compiles('''#include <Carbon/Carbon.h>
501 #include <CoreServices/CoreServices.h>''',
502 name : 'Mac OS X Carbon support')
504 glib_have_os_x_9_or_later = false
507 glib_conf.set('HAVE_CARBON', true)
508 CARBON_LIBS='-Wl,-framework,Carbon' # FIXME: propagate to .pc files as well
509 platform_ldflags += [CARBON_LIBS]
510 glib_have_os_x_9_or_later = cc.compiles('''#include <AvailabilityMacros.h>
511 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
512 #error Compiling for minimum OS X version before 10.9
513 #endif''', name : 'OS X 9 or later')
518 # Mac OS X Cocoa support
519 glib_have_cocoa = cc.compiles('''#include <Cocoa/Cocoa.h>
520 #ifdef GNUSTEP_BASE_VERSION
521 #error "Detected GNUstep, not Cocoa"
523 name : 'Mac OS X Cocoa support')
526 glib_conf.set('HAVE_COCOA', true)
527 COCOA_LIBS='-Wl,-framework,Foundation -Wl,-framework,AppKit' # FIXME: propagate to .pc files as well
528 platform_ldflags += [COCOA_LIBS]
534 if cc.links('''#include <linux/futex.h>
535 #include <sys/syscall.h>
537 int main (int argc, char ** argv) {
538 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
540 }''', name : 'futex(2) system call')
541 glib_conf.set('HAVE_FUTEX', 1)
544 # Check for eventfd(2)
545 if cc.links('''#include <sys/eventfd.h>
547 int main (int argc, char ** argv) {
548 eventfd (0, EFD_CLOEXEC);
550 }''', name : 'eventfd(2) system call')
551 glib_conf.set('HAVE_EVENTFD', 1)
554 clock_gettime_test_code = '''
557 int main (int argc, char ** argv) {
558 return clock_gettime(CLOCK_REALTIME, &t);
561 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
562 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
563 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
564 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
565 librt = cc.find_library('rt')
568 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
570 if cc.compiles(glib_conf_prefix + '''
572 #ifdef HAVE_SYS_PARAM_H
573 #include <sys/param.h>
575 #ifdef HAVE_SYS_VFS_H
578 #ifdef HAVE_SYS_MOUNT_H
579 #include <sys/mount.h>
581 #ifdef HAVE_SYS_STATFS_H
582 #include <sys/statfs.h>
584 void some_func (void) {
587 }''', name : 'number of arguments to statfs() (n=2)')
588 glib_conf.set('STATFS_ARGS', 2)
589 elif cc.compiles(glib_conf_prefix + '''
591 #ifdef HAVE_SYS_PARAM_H
592 #include <sys/param.h>
594 #ifdef HAVE_SYS_VFS_H
597 #ifdef HAVE_SYS_MOUNT_H
598 #include <sys/mount.h>
600 #ifdef HAVE_SYS_STATFS_H
601 #include <sys/statfs.h>
603 void some_func (void) {
605 statfs("/", &st, sizeof (st), 0);
606 }''', name : 'number of arguments to statfs() (n=4)')
607 glib_conf.set('STATFS_ARGS', 4)
609 error('Unable to determine number of arguments to statfs()')
613 # open takes O_DIRECTORY as an option
615 if cc.compiles('''#include <fcntl.h>
616 #include <sys/types.h>
617 #include <sys/stat.h>],
618 void some_func (void) {
619 open(0, O_DIRECTORY, 0);
620 }''', name : 'open() option O_DIRECTORY')
621 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
624 # Check whether there is a vsnprintf() function with C99 semantics installed.
625 # AC_FUNC_VSNPRINTF_C99
626 # Check whether there is a snprintf() function with C99 semantics installed.
627 # AC_FUNC_SNPRINTF_C99
629 have_good_vsnprintf = false
630 have_good_snprintf = false
632 if host_system == 'windows'
633 # Unfortunately the mingw and Visual Studio 2015+ implementations of C99-style
634 # snprintf and vsnprintf don't seem to be quite good enough, at least not in
635 # mingw-runtime-3.14. (Sorry, I don't know exactly what is the problem,
636 # but it is related to floating point formatting and decimal point vs. comma.)
637 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
638 # rigorous enough to notice, though.
639 glib_conf.set('HAVE_C99_SNPRINTF', false)
640 glib_conf.set('HAVE_C99_VSNPRINTF', false)
642 vsnprintf_c99_test_code = '''
654 r = vsnprintf(buffer, 5, s, args);
660 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
661 implementation. The above will return 7 but if you replace
662 the size of the buffer with 0, it borks! */
664 r = vsnprintf(buffer, 0, s, args);
680 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
681 if rres.compiled() and rres.returncode() == 0
682 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
683 have_good_vsnprintf = true
686 snprintf_c99_test_code = '''
697 r = snprintf(buffer, 5, "1234567");
702 r = snprintf(buffer, 0, "1234567");
707 r = snprintf(NULL, 0, "1234567");
722 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
723 if rres.compiled() and rres.returncode() == 0
724 glib_conf.set('HAVE_C99_SNPRINTF', 1)
725 have_good_snprintf = true
729 if host_system == 'windows'
730 glib_conf.set_quoted('EXEEXT', '.exe')
732 glib_conf.set('EXEEXT', '')
735 if have_good_vsnprintf and have_good_snprintf
736 # Our printf is 'good' only if vsnpintf()/snprintf() supports C99 well enough
737 glib_conf.set('HAVE_GOOD_PRINTF', 1) # FIXME: Check for HAVE_UNIX98_PRINTF?
739 glib_conf.set('HAVE_VASPRINTF', 1)
742 # Check whether the printf() family supports Unix98 %n$ positional parameters
743 # AC_FUNC_PRINTF_UNIX98
744 # Nothing uses HAVE_UNIX98_PRINTF
747 # Check for nl_langinfo and CODESET
748 # FIXME: Check for HAVE_BIND_TEXTDOMAIN_CODESET
749 if cc.links('''#include <langinfo.h>
750 int main (int argc, char ** argv) {
751 char *codeset = nl_langinfo (CODESET);
753 }''', name : 'nl_langinfo and CODESET')
754 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
755 glib_conf.set('HAVE_CODESET', 1)
758 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
759 if cc.links('''#include <langinfo.h>
760 int main (int argc, char ** argv) {
762 str = nl_langinfo (PM_STR);
763 str = nl_langinfo (D_T_FMT);
764 str = nl_langinfo (D_FMT);
765 str = nl_langinfo (T_FMT);
766 str = nl_langinfo (T_FMT_AMPM);
767 str = nl_langinfo (MON_1);
768 str = nl_langinfo (ABMON_12);
769 str = nl_langinfo (DAY_1);
770 str = nl_langinfo (ABDAY_7);
772 }''', name : 'nl_langinfo (PM_STR)')
773 glib_conf.set('HAVE_LANGINFO_TIME', 1)
775 if cc.links('''#include <langinfo.h>
776 int main (int argc, char ** argv) {
778 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
779 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
780 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
781 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
782 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
783 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
784 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
785 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
786 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
787 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
789 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
790 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
793 # Check for nl_langinfo and alternative month names
794 if cc.links('''#ifndef _GNU_SOURCE
797 #include <langinfo.h>
798 int main (int argc, char ** argv) {
800 str = nl_langinfo (ALTMON_1);
801 str = nl_langinfo (ALTMON_2);
802 str = nl_langinfo (ALTMON_3);
803 str = nl_langinfo (ALTMON_4);
804 str = nl_langinfo (ALTMON_5);
805 str = nl_langinfo (ALTMON_6);
806 str = nl_langinfo (ALTMON_7);
807 str = nl_langinfo (ALTMON_8);
808 str = nl_langinfo (ALTMON_9);
809 str = nl_langinfo (ALTMON_10);
810 str = nl_langinfo (ALTMON_11);
811 str = nl_langinfo (ALTMON_12);
813 }''', name : 'nl_langinfo (ALTMON_n)')
814 glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
817 # Check for nl_langinfo and abbreviated alternative month names
818 if cc.links('''#ifndef _GNU_SOURCE
821 #include <langinfo.h>
822 int main (int argc, char ** argv) {
824 str = nl_langinfo (_NL_ALTMON_1);
825 str = nl_langinfo (_NL_ALTMON_2);
826 str = nl_langinfo (_NL_ALTMON_3);
827 str = nl_langinfo (_NL_ALTMON_4);
828 str = nl_langinfo (_NL_ALTMON_5);
829 str = nl_langinfo (_NL_ALTMON_6);
830 str = nl_langinfo (_NL_ALTMON_7);
831 str = nl_langinfo (_NL_ALTMON_8);
832 str = nl_langinfo (_NL_ALTMON_9);
833 str = nl_langinfo (_NL_ALTMON_10);
834 str = nl_langinfo (_NL_ALTMON_11);
835 str = nl_langinfo (_NL_ALTMON_12);
837 }''', name : 'nl_langinfo (_NL_ALTMON_n)')
838 glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
841 # Check if C compiler supports the 'signed' keyword
842 if not cc.compiles('''signed char x;''', name : 'signed')
843 glib_conf.set('signed', '/* NOOP */')
846 # Check if the ptrdiff_t type exists
847 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
848 glib_conf.set('HAVE_PTRDIFF_T', 1)
851 # Check for sig_atomic_t type
852 if cc.links('''#include <signal.h>
853 #include <sys/types.h>
854 sig_atomic_t val = 42;
855 int main (int argc, char ** argv) {
856 return val == 42 ? 0 : 1;
857 }''', name : 'sig_atomic_t')
858 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
861 # Check if 'long long' works and what format can be used to print it
862 # jm_AC_TYPE_LONG_LONG
863 # Nothing uses HAVE_LONG_LONG_FORMAT and HAVE_INT64_AND_I64
864 if cc.compiles('''long long ll = 1LL;
866 int some_func (void) {
867 long long llmax = (long long) -1;
868 return ll << i | ll >> i | llmax / ll | llmax % ll;
869 }''', name : 'long long')
870 glib_conf.set('HAVE_LONG_LONG', 1)
871 have_long_long = true
873 have_long_long = false
876 # Test whether the compiler supports the 'long double' type.
877 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
878 long double foo = 0.0;
879 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
880 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
881 name : 'long double')
882 glib_conf.set('HAVE_LONG_DOUBLE', 1)
885 #dnl Test whether <stddef.h> has the 'wchar_t' type.
886 if cc.has_header_symbol('stddef.h', 'wchar_t')
887 glib_conf.set('HAVE_WCHAR_T', 1)
890 # Test whether <wchar.h> has the 'wint_t' type.
891 if cc.has_header_symbol('wchar.h', 'wint_t')
892 glib_conf.set('HAVE_WINT_T', 1)
895 found_uintmax_t = false
897 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
898 # doesn't clash with <sys/types.h>, and declares uintmax_t.
899 # jm_AC_HEADER_INTTYPES_H
900 if cc.compiles('''#include <sys/types.h>
901 #include <inttypes.h>
902 void some_func (void) {
903 uintmax_t i = (uintmax_t) -1;
904 }''', name : 'uintmax_t in inttypes.h')
905 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
906 found_uintmax_t = true
909 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
910 # doesn't clash with <sys/types.h>, and declares uintmax_t.
911 # jm_AC_HEADER_STDINT_H
912 if cc.compiles('''#include <sys/types.h>
914 void some_func (void) {
915 uintmax_t i = (uintmax_t) -1;
916 }''', name : 'uintmax_t in stdint.h')
917 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
918 found_uintmax_t = true
921 # Define intmax_t to 'long' or 'long long'
922 # if it is not already defined in <stdint.h> or <inttypes.h>.
923 # For simplicity, we assume that a header file defines 'intmax_t' if and
924 # only if it defines 'uintmax_t'.
926 glib_conf.set('HAVE_INTMAX_T', 1)
928 glib_conf.set('intmax_t', 'long long')
930 glib_conf.set('intmax_t', 'long')
933 char_size = cc.sizeof('char')
934 short_size = cc.sizeof('short')
935 int_size = cc.sizeof('int')
936 voidp_size = cc.sizeof('void*')
937 long_size = cc.sizeof('long')
939 long_long_size = cc.sizeof('long long')
943 sizet_size = cc.sizeof('size_t')
944 if cc.get_id() == 'msvc'
945 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
947 ssizet_size = cc.sizeof('ssize_t')
950 # On Windows, MSVC supports both ll and I64 as format specifiers for 64-bit
951 # integers, but some versions (at least 4.7.x) of MinGW only support I64.
952 if host_system == 'windows'
958 char_align = cc.alignment('char')
959 short_align = cc.alignment('short')
960 int_align = cc.alignment('int')
961 voidp_align = cc.alignment('void*')
962 long_align = cc.alignment('long')
963 long_long_align = cc.alignment('long long')
964 # NOTE: We don't check for size of __int64 because long long is guaranteed to
965 # be 64-bit in C99, and it is available on all supported compilers
966 sizet_align = cc.alignment('size_t')
968 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
970 glib_conf.set('SIZEOF_CHAR', char_size)
971 glib_conf.set('SIZEOF_INT', int_size)
972 glib_conf.set('SIZEOF_SHORT', short_size)
973 glib_conf.set('SIZEOF_LONG', long_size)
974 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
975 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
976 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
977 glib_conf.set('SIZEOF_VOID_P', voidp_size)
990 error('Compiler provides no native 16-bit integer type')
992 glibconfig_conf.set('gint16', gint16)
993 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
994 glibconfig_conf.set_quoted('gint16_format', gint16_format)
995 glibconfig_conf.set_quoted('guint16_format', guint16_format)
1002 guint32_align = short_align
1008 guint32_align = int_align
1014 guint32_align = long_align
1016 error('Compiler provides no native 32-bit integer type')
1018 glibconfig_conf.set('gint32', gint32)
1019 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
1020 glibconfig_conf.set_quoted('gint32_format', gint32_format)
1021 glibconfig_conf.set_quoted('guint32_format', guint32_format)
1022 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
1030 gint64_constant='(val)'
1031 guint64_constant='(val)'
1032 guint64_align = int_align
1039 gint64_constant='(val##L)'
1040 guint64_constant='(val##UL)'
1041 guint64_align = long_align
1042 elif long_long_size == 8
1043 gint64 = 'long long'
1044 glib_extension='G_GNUC_EXTENSION '
1045 gint64_modifier=int64_m
1046 gint64_format=int64_m + 'i'
1047 guint64_format=int64_m + 'u'
1048 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
1049 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
1050 guint64_align = long_long_align
1052 error('Compiler provides no native 64-bit integer type')
1054 glibconfig_conf.set('glib_extension', glib_extension)
1055 glibconfig_conf.set('gint64', gint64)
1056 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
1057 glibconfig_conf.set_quoted('gint64_format', gint64_format)
1058 glibconfig_conf.set_quoted('guint64_format', guint64_format)
1059 glibconfig_conf.set('gint64_constant', gint64_constant)
1060 glibconfig_conf.set('guint64_constant', guint64_constant)
1061 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
1063 if host_system == 'windows'
1064 glibconfig_conf.set('g_pid_type', 'void*')
1065 glibconfig_conf.set_quoted('g_pid_format', 'p')
1066 if host_machine.cpu_family() == 'x86_64'
1067 glibconfig_conf.set_quoted('g_pollfd_format', '%#I64x')
1069 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1071 glibconfig_conf.set('g_dir_separator', '\\\\')
1072 glibconfig_conf.set('g_searchpath_separator', ';')
1074 glibconfig_conf.set('g_pid_type', 'int')
1075 glibconfig_conf.set_quoted('g_pid_format', 'i')
1076 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1077 glibconfig_conf.set('g_dir_separator', '/')
1078 glibconfig_conf.set('g_searchpath_separator', ':')
1081 if sizet_size == short_size
1082 glibconfig_conf.set('glib_size_type_define', 'short')
1083 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1084 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1085 glibconfig_conf.set_quoted('gsize_format', 'hu')
1086 glibconfig_conf.set_quoted('gssize_format', 'hi')
1087 glibconfig_conf.set('glib_msize_type', 'SHRT')
1088 elif sizet_size == int_size
1089 glibconfig_conf.set('glib_size_type_define', 'int')
1090 glibconfig_conf.set_quoted('gsize_modifier', '')
1091 glibconfig_conf.set_quoted('gssize_modifier', '')
1092 glibconfig_conf.set_quoted('gsize_format', 'u')
1093 glibconfig_conf.set_quoted('gssize_format', 'i')
1094 glibconfig_conf.set('glib_msize_type', 'INT')
1095 elif sizet_size == long_size
1096 glibconfig_conf.set('glib_size_type_define', 'long')
1097 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1098 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1099 glibconfig_conf.set_quoted('gsize_format', 'lu')
1100 glibconfig_conf.set_quoted('gssize_format', 'li')
1101 glibconfig_conf.set('glib_msize_type', 'LONG')
1102 elif sizet_size == long_long_size
1103 glibconfig_conf.set('glib_size_type_define', 'long long')
1104 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1105 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1106 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1107 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1108 glibconfig_conf.set('glib_msize_type', 'INT64')
1110 error('Could not determine size of size_t.')
1113 if voidp_size == int_size
1114 glibconfig_conf.set('glib_intptr_type_define', 'int')
1115 glibconfig_conf.set_quoted('gintptr_modifier', '')
1116 glibconfig_conf.set_quoted('gintptr_format', 'i')
1117 glibconfig_conf.set_quoted('guintptr_format', 'u')
1118 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1119 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1120 elif voidp_size == long_size
1121 glibconfig_conf.set('glib_intptr_type_define', 'long')
1122 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1123 glibconfig_conf.set_quoted('gintptr_format', 'li')
1124 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1125 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1126 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1127 elif voidp_size == long_long_size
1128 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1129 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1130 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1131 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1132 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1133 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1135 error('Could not determine size of void *')
1138 if long_size != 8 and long_long_size != 8 and int_size != 8
1139 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1142 glibconfig_conf.set('gintbits', int_size * 8)
1143 glibconfig_conf.set('glongbits', long_size * 8)
1144 glibconfig_conf.set('gsizebits', sizet_size * 8)
1145 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1147 # FIXME: maybe meson should tell us the libsuffix?
1148 if host_system == 'windows'
1149 g_module_suffix = 'dll'
1150 elif host_system == 'darwin'
1151 g_module_suffix = 'dylib'
1153 g_module_suffix = 'so'
1155 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1157 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1158 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1159 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1160 glibconfig_conf.set('GLIB_VERSION', glib_version)
1162 glibconfig_conf.set('glib_void_p', voidp_size)
1163 glibconfig_conf.set('glib_long', long_size)
1164 glibconfig_conf.set('glib_size_t', sizet_size)
1165 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1166 if host_machine.endian() == 'big'
1167 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1168 glibconfig_conf.set('g_bs_native', 'BE')
1169 glibconfig_conf.set('g_bs_alien', 'LE')
1171 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1172 glibconfig_conf.set('g_bs_native', 'LE')
1173 glibconfig_conf.set('g_bs_alien', 'BE')
1176 # === va_copy checks ===
1177 # we currently check for all three va_copy possibilities, so we get
1178 # all results in config.log for bug reports.
1181 foreach try_func : [ '__va_copy', 'va_copy' ]
1182 if cc.compiles('''#include <stdarg.h>
1185 # include "msvc_recommended_pragmas.h"
1187 void f (int i, ...) {
1188 va_list args1, args2;
1189 va_start (args1, i);
1191 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1193 va_end (args1); va_end (args2);
1198 }'''.format(try_func),
1199 name : try_func + ' check')
1200 va_copy_func = try_func
1203 if va_copy_func != ''
1204 glib_conf.set('G_VA_COPY', va_copy_func)
1205 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1207 glib_vacopy = '/* #undef G_VA_COPY */'
1210 va_list_val_copy_prog = '''
1213 void f (int i, ...) {
1214 va_list args1, args2;
1215 va_start (args1, i);
1217 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1219 va_end (args1); va_end (args2);
1226 # We do this in two steps so if compilation fails already it looks less alarming
1227 glib_va_val_copy = false
1228 if cc.compiles(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1229 # FIXME: what to do when cross-compiling?
1230 if cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values').returncode() == 0
1231 glib_va_val_copy = true
1234 if not glib_va_val_copy
1235 glib_va_val_copy = false
1236 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1237 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1239 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1241 # check for flavours of varargs macros
1242 g_have_iso_c_varargs = cc.compiles('''
1243 void some_func (void) {
1244 int a(int p1, int p2, int p3);
1245 #define call_a(...) a(1,__VA_ARGS__)
1247 }''', name : 'ISO C99 varargs macros in C')
1249 if g_have_iso_c_varargs
1250 glibconfig_conf.set('g_have_iso_c_varargs', '''
1252 # define G_HAVE_ISO_VARARGS 1
1256 g_have_iso_cxx_varargs = cxx.compiles('''
1257 void some_func (void) {
1258 int a(int p1, int p2, int p3);
1259 #define call_a(...) a(1,__VA_ARGS__)
1261 }''', name : 'ISO C99 varargs macros in C++')
1263 if g_have_iso_cxx_varargs
1264 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1266 # define G_HAVE_ISO_VARARGS 1
1270 g_have_gnuc_varargs = cc.compiles('''
1271 void some_func (void) {
1272 int a(int p1, int p2, int p3);
1273 #define call_a(params...) a(1,params)
1275 }''', name : 'GNUC varargs macros')
1277 if cc.has_header('alloca.h')
1278 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1280 has_syspoll = cc.has_header('sys/poll.h')
1281 has_systypes = cc.has_header('sys/types.h')
1283 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1285 has_winsock2 = cc.has_header('winsock2.h')
1287 if has_syspoll and has_systypes
1288 templ = '''#include<sys/poll.h>
1289 #include<sys/types.h>
1291 int main(int argc, char **argv) {
1292 printf("%d\n", (int)@0@);
1296 templ = '''#define _WIN32_WINNT 0x0600
1298 #include <winsock2.h>
1299 int main(int argc, char **argv) {
1300 printf("%d\n", (int)@0@);
1305 error('FIX POLL* defines')
1308 value_POLLIN = cc.run(templ.format('POLLIN'), name : 'POLLIN value').stdout().strip()
1309 value_POLLOUT = cc.run(templ.format('POLLOUT'), name : 'POLLOUT value').stdout().strip()
1310 value_POLLPRI = cc.run(templ.format('POLLPRI'), name : 'POLLPRI value').stdout().strip()
1311 value_POLLERR = cc.run(templ.format('POLLERR'), name : 'POLLERR value').stdout().strip()
1312 value_POLLHUP = cc.run(templ.format('POLLHUP'), name : 'POLLHUP value').stdout().strip()
1313 value_POLLNVAL = cc.run(templ.format('POLLNVAL'), name : 'POLLNVAL value').stdout().strip()
1315 glibconfig_conf.set('g_pollin', value_POLLIN)
1316 glibconfig_conf.set('g_pollout', value_POLLOUT)
1317 glibconfig_conf.set('g_pollpri', value_POLLPRI)
1318 glibconfig_conf.set('g_pollerr', value_POLLERR)
1319 glibconfig_conf.set('g_pollhup', value_POLLHUP)
1320 glibconfig_conf.set('g_pollnval', value_POLLNVAL)
1322 # Internet address families
1323 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1324 if host_system == 'windows'
1325 glib_inet_includes= '''
1326 #include <winsock2.h>
1329 glib_inet_includes='''
1330 #include <sys/types.h>
1331 #include <sys/socket.h>
1336 [ 'AF_UNIX', 'g_af_unix' ],
1337 [ 'AF_INET', 'g_af_inet' ],
1338 [ 'AF_INET6', 'g_af_inet6' ],
1339 [ 'MSG_OOB', 'g_msg_oob' ],
1340 [ 'MSG_PEEK', 'g_msg_peek' ],
1341 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1343 foreach d : net_defines
1346 int main(int argc, char **argv) {
1347 printf("%d\n", (int)@1@);
1350 # FIXME: fix for cross-compilation
1351 if not meson.has_exe_wrapper()
1352 error('Fix sys define detection for cross build')
1354 val = cc.run(templ.format(glib_inet_includes, d[0]), name : d[0] + ' value').stdout().strip()
1355 glibconfig_conf.set(d[1], val)
1358 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', true) # FIXME!
1360 # We need a more robust approach here...
1361 host_cpu_family = host_machine.cpu_family()
1362 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')
1363 glib_memory_barrier_needed = false
1364 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1365 glib_memory_barrier_needed = true
1367 warning('Unknown host cpu: ' + host_cpu_family)
1368 glib_memory_barrier_needed = true
1370 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1372 # Note that the atomic ops are only available with GCC on x86 when
1373 # using -march=i486 or higher. If we detect that the atomic ops are
1374 # not available but would be available given the right flags, we want
1375 # to abort and advise the user to fix their CFLAGS. It's better to do
1376 # that then to silently fall back on emulated atomic ops just because
1377 # the user had the wrong build environment.
1378 atomictest = '''void func() {
1379 volatile int atomic = 2;
1380 __sync_bool_compare_and_swap (&atomic, 2, 3);
1383 if cc.compiles(atomictest)
1384 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', true)
1386 if host_machine.cpu_family() == 'x86' and cc.compiles(atomictest, args : '-march=i486')
1387 error('GLib must be built with -march=i486 or later.')
1389 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', false)
1394 # Let meson figure out all this business and whether -pthread or whatnot is needed
1395 # FIXME: probably needs more tweaking in meson for things like -D_REENTRANT etc.
1396 thread_dep = dependency('threads')
1398 # Determination of thread implementation
1399 if host_system == 'windows'
1400 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1401 glib_conf.set('THREADS_WIN32', 1)
1403 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1404 glib_conf.set('THREADS_POSIX', 1)
1405 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1406 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1408 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1409 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1411 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1412 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1414 # Assume that pthread_setname_np is available in some form; same as configure
1415 if cc.links('''#ifndef _GNU_SOURCE
1416 # define _GNU_SOURCE
1418 #include <pthread.h>
1420 pthread_setname_np("example");
1422 name : 'pthread_setname_np(const char*)',
1423 dependencies : thread_dep)
1425 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1426 elif cc.links('''#ifndef _GNU_SOURCE
1427 # define _GNU_SOURCE
1429 #include <pthread.h>
1431 pthread_setname_np(pthread_self(), "example");
1433 name : 'pthread_setname_np(pthread_t, const char*)',
1434 dependencies : thread_dep)
1435 # Linux, Solaris, etc.
1436 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1440 # FIXME: how to do this when cross-compiling?
1441 # FIXME: we should make it print the result and always return 0, so that
1442 # the output in meson shows up as green
1443 stack_grows_check_prog = '''
1444 volatile int *a = 0, *b = 0;
1456 return b > a ? 0 : 1;
1458 stack_grows_run_result = cc.run(stack_grows_check_prog, name : 'stack grows check')
1459 if stack_grows_run_result.compiled() and stack_grows_run_result.returncode() == 0
1460 glibconfig_conf.set('G_HAVE_GROWING_STACK', 1)
1462 glibconfig_conf.set('G_HAVE_GROWING_STACK', 0)
1467 # USE_LIBICONV_GNU: Using GNU libiconv
1468 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1470 # We should never use the MinGW C library's iconv. On Windows we use the
1471 # GNU implementation that ships with MinGW.
1473 # On Windows, just always use the built-in implementation
1474 if host_system == 'windows'
1476 glib_conf.set('USE_LIBICONV_NATIVE', true)
1479 iconv_opt = get_option('iconv')
1480 if iconv_opt == 'libc'
1481 if cc.has_function('iconv_open')
1485 elif iconv_opt == 'gnu'
1486 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1487 glib_conf.set('USE_LIBICONV_GNU', true)
1488 libiconv = [cc.find_library('iconv')]
1491 elif iconv_opt == 'native'
1492 if cc.has_header_symbol('iconv.h', 'iconv_open')
1493 glib_conf.set('USE_LIBICONV_NATIVE', true)
1494 libiconv = [cc.find_library('iconv')]
1500 error('No iconv() implementation found in C library or libiconv')
1505 if get_option('internal_pcre')
1507 use_system_pcre = false
1509 pcre = dependency('libpcre', required : false) # Should check for Unicode support, too. FIXME
1511 if cc.get_id() == 'msvc'
1512 # MSVC: Search for the PCRE library by the configuration, which corresponds
1513 # to the output of CMake builds of PCRE. Note that debugoptimized
1514 # is really a Release build with .PDB files.
1515 if buildtype == 'debug'
1516 pcre = cc.find_library('pcred', required : false)
1518 pcre = cc.find_library('pcre', required : false)
1522 use_system_pcre = pcre.found()
1524 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1526 use_pcre_static_flag = false
1528 if host_system == 'windows'
1529 if not use_system_pcre
1530 use_pcre_static_flag = true
1532 pcre_static = cc.links('''#define PCRE_STATIC
1540 name : 'Windows system PCRE is a static build')
1542 use_pcre_static_flag = true
1547 libm = cc.find_library('m', required : false)
1548 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1549 zlib_libname = '-lz'
1550 if cc.get_id() != 'msvc'
1551 libz_dep = dependency('zlib', fallback : ['zlib', 'zlib_dep'])
1553 # MSVC: Don't use the bundled ZLib sources until we are sure that we can't
1554 # find the ZLib .lib
1555 libz_dep = dependency('zlib', required : false)
1557 # MSVC: Search for the ZLib .lib, which corresponds to the results of
1558 # of using ZLib's win32/makefile.msc.
1559 if not libz_dep.found()
1560 libz_dep = cc.find_library('zlib1', required : false)
1562 zlib_libname = '-lzlib1'
1564 libz_dep = cc.find_library('zlib', required : false)
1566 zlib_libname = '-lzlib'
1568 libz_dep = subproject('zlib').get_variable('zlib_dep')
1574 # Only used on non-glibc targets
1575 libintl = cc.find_library('intl', required : false)
1576 if host_system == 'windows' and not libintl.found()
1577 # Used only when the gettext library is not available (MSVC, not MinGW)
1578 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1579 glib_conf.set('HAVE_DCGETTEXT', 1)
1581 glib_conf.set('HAVE_DCGETTEXT', cc.has_header_symbol('libintl.h', 'dcgettext'))
1583 # We require gettext to always be present
1584 glib_conf.set('HAVE_GETTEXT', 1)
1585 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1586 # xgettext is optional (on Windows for instance)
1587 xgettext = find_program('xgettext', required : false)
1589 # libmount is only used by gio, but we need to fetch the libs to generate the
1590 # pkg-config file below
1592 if host_system == 'linux' and get_option('libmount')
1593 libmount_dep = [dependency('mount', version : '>=2.23', required : true)]
1596 if host_system == 'windows'
1597 winsock2 = cc.find_library('ws2_32')
1601 if host_system == 'linux' and get_option('selinux')
1602 selinux_dep = [dependency('libselinux')]
1603 glib_conf.set('SELINUX_LIBS', '-lselinux')
1604 glib_conf.set('HAVE_SELINUX', 1)
1608 if host_system != 'windows' and get_option('xattr')
1609 # either glibc or libattr can provide xattr support
1610 # for both of them, we check for getxattr being in
1611 # the library and a valid xattr header.
1614 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1615 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1616 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1617 #failure. try libattr
1618 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1619 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1620 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1621 xattr_dep = [cc.find_library('xattr')]
1623 error('No getxattr implementation found in C library or libxattr')
1626 glib_conf.set('HAVE_XATTR', 1)
1627 if cc.compiles(glib_conf_prefix + '''
1629 #ifdef HAVE_SYS_TYPES_H
1630 #include <sys/types.h>
1632 #ifdef HAVE_SYS_XATTR_H
1633 #include <sys/xattr.h>
1634 #elif HAVE_ATTR_XATTR_H
1635 #include <attr/xattr.h>
1639 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1641 name : 'XATTR_NOFOLLOW')
1642 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1646 python = import('python3').find_python()
1648 # Determine which user environment-dependent files that we want to install
1649 have_bash = find_program('bash', required : false).found() # For completion scripts
1650 have_m4 = find_program('m4', required : false).found() # For m4 macros
1651 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1653 # FIXME: defines in config.h that are not actually used anywhere
1654 # (we add them for now to minimise the diff)
1655 glib_conf.set('HAVE_DLFCN_H', 1)
1656 glib_conf.set('__EXTENSIONS__', 1)
1657 glib_conf.set('STDC_HEADERS', 1)
1659 glib_conf.set('SIZEOF___INT64', 8)
1661 # Various substs needed for our pkg-config files
1662 # FIXME: Derive these from the dependency() objects (Meson support needed)
1663 glib_conf.set('ZLIB_LIBS', zlib_libname)
1664 glib_conf.set('LIBFFI_LIBS', '-lffi')
1666 glib_conf.set('INTLLIBS', '-lintl')
1668 if libiconv.length() != 0
1669 glib_conf.set('ICONV_LIBS', '-liconv')
1672 glib_conf.set('PCRE_LIBS', '-lpcre')
1674 if libmount_dep.length() != 0
1675 glib_conf.set('LIBMOUNT_LIBS', '-lmount')
1676 glib_conf.set('HAVE_LIBMOUNT', 1)
1678 glib_conf.set('GIO_MODULE_DIR', glib_giomodulesdir)
1680 # @G_MODULE_LIBS@ @COCOA_LIBS@ @CARBON_LIBS@ @G_LIBS_EXTRA@
1681 # @PCRE_REQUIRES@ @GLIB_EXTRA_CFLAGS@ @G_THREAD_CFLAGS@
1684 want_dtrace = get_option('dtrace')
1685 enable_dtrace = false
1687 # Since dtrace support is opt-in we just error out if it was requested but
1688 # is not available. We don't bother with autodetection yet.
1691 error('GLib dtrace support not yet compatible with macOS dtrace')
1693 dtrace = find_program('dtrace', required : true) # error out if not found
1694 if not cc.has_header('sys/sdt.h')
1695 error('dtrace support needs sys/sdt.h header')
1697 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1698 dtrace_obj_gen = generator(dtrace,
1699 output : '@BASENAME@.o',
1700 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1701 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1702 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1703 dtrace_hdr_gen = generator(dtrace,
1704 output : '@BASENAME@.h',
1705 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1706 glib_conf.set('HAVE_DTRACE', 1)
1707 enable_dtrace = true
1711 want_systemtap = get_option('systemtap')
1712 enable_systemtap = false
1714 if want_systemtap and enable_dtrace
1715 tapset_install_dir = get_option('tapset_install_dir')
1716 if tapset_install_dir == ''
1717 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1719 stp_cdata = configuration_data()
1720 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1721 stp_cdata.set('LT_CURRENT', minor_version * 100)
1722 stp_cdata.set('LT_REVISION', micro_version)
1723 enable_systemtap = true
1727 windows = import('windows')
1738 # Configure and install pkg-config files
1744 'gmodule-export-2.0.pc',
1745 'gmodule-no-export-2.0.pc',
1748 if host_system == 'windows'
1749 pc_files += ['gio-windows-2.0.pc']
1751 pc_files += ['gio-unix-2.0.pc']
1754 foreach pc : pc_files
1755 configure_file(input : pc + '.in',
1757 install_dir : glib_pkgconfigreldir,
1759 configuration : glib_conf)
1762 # NOTE: We skip glib-zip.in because the filenames it assumes don't match ours
1764 # Install glib-gettextize executable, if a UNIX-style shell is found
1766 configure_file(input : 'glib-gettextize.in',
1768 install_dir : 'bin',
1769 output : 'glib-gettextize',
1770 configuration : glib_conf)
1774 # Install m4 macros that other projects use
1775 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1776 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1779 if host_system != 'windows'
1780 # Install Valgrind suppression file (except on Windows,
1781 # as Valgrind is currently not supported on Windows)
1782 install_data('glib.supp',
1783 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
1786 configure_file(input : 'config.h.meson',
1787 output : 'config.h',
1788 configuration : glib_conf)
1790 if host_system == 'windows'
1791 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
1794 if get_option('man')
1795 xsltproc = find_program('xsltproc', required : true)
1796 xsltproc_command = [
1799 '--stringparam', 'man.output.quietly', '1',
1800 '--stringparam', 'funcsynopsis.style', 'ansi',
1801 '--stringparam', 'man.th.extra1.suppress', '1',
1802 '--stringparam', 'man.authors.section.enabled', '0',
1803 '--stringparam', 'man.copyright.section.enabled', '0',
1805 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
1808 man1_dir = get_option('mandir') + '/man1'
1811 gnome = import('gnome')
1812 subdir('docs/reference/glib')
1813 subdir('docs/reference/gobject')
1814 subdir('docs/reference/gio')