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)
272 # Windows Support (Vista+)
273 if host_system == 'windows'
274 glib_conf.set('_WIN32_WINNT', '0x0601')
337 if glib_conf.has('HAVE_SYS_STATVFS_H')
338 functions += ['statvfs']
340 have_func_statvfs = false
342 if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
343 functions += ['statfs']
345 have_func_statfs = false
348 if host_system == 'windows'
349 iphlpapi_dep = cc.find_library('iphlpapi')
350 iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
351 foreach ifunc : iphlpapi_funcs
352 if cc.has_function(ifunc,
353 prefix : '#define _WIN32_WINNT 0x0601\n#include <winsock2.h>\n#include <iphlpapi.h>',
354 dependencies : iphlpapi_dep)
355 idefine = 'HAVE_' + ifunc.underscorify().to_upper()
356 glib_conf.set(idefine, 1)
357 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
358 set_variable('have_func_' + ifunc, true)
360 set_variable('have_func_' + ifunc, false)
364 functions += ['if_indextoname', 'if_nametoindex']
367 # AIX splice is something else
368 if host_system != 'aix'
369 functions += ['splice']
372 foreach f : functions
373 if cc.has_function(f)
374 define = 'HAVE_' + f.underscorify().to_upper()
375 glib_conf.set(define, 1)
376 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
377 set_variable('have_func_' + f, true)
379 set_variable('have_func_' + f, false)
383 # Check whether strerror_r returns char *
384 if have_func_strerror_r
385 if cc.compiles('''#define _GNU_SOURCE
388 char error_string[256];
389 char *ptr = strerror_r (-2, error_string, 256);
390 char c = *strerror_r (-2, error_string, 256);
391 return c != 0 && ptr != (void*) 0L;
394 name : 'strerror_r() returns char *')
395 glib_conf.set('STRERROR_R_CHAR_P', 1,
396 description: 'Defined if strerror_r returns char *')
400 # Special-case these functions that have alternative names on Windows/MSVC
401 if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
402 glib_conf.set('HAVE_SNPRINTF', 1)
403 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
404 elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
405 hack_define = '1\n#define snprintf _snprintf'
406 glib_conf.set('HAVE_SNPRINTF', hack_define)
407 glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
410 if cc.has_function('strcasecmp')
411 glib_conf.set('HAVE_STRCASECMP', 1)
412 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
413 elif cc.has_function('_stricmp')
414 hack_define = '1\n#define strcasecmp _stricmp'
415 glib_conf.set('HAVE_STRCASECMP', hack_define)
416 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
419 if cc.has_function('strncasecmp')
420 glib_conf.set('HAVE_STRNCASECMP', 1)
421 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
422 elif cc.has_function('_strnicmp')
423 hack_define = '1\n#define strncasecmp _strnicmp'
424 glib_conf.set('HAVE_STRNCASECMP', hack_define)
425 glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
428 if cc.has_header_symbol('sys/sysmacros.h', 'major')
429 glib_conf.set('MAJOR_IN_SYSMACROS', 1)
430 elif cc.has_header_symbol('sys/mkdev.h', 'major')
431 glib_conf.set('MAJOR_IN_MKDEV', 1)
434 if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
435 glib_conf.set('HAVE_RTLD_LAZY', 1)
438 if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
439 glib_conf.set('HAVE_RTLD_NOW', 1)
442 if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
443 glib_conf.set('HAVE_RTLD_GLOBAL', 1)
446 # Check whether to use statfs or statvfs
447 # Some systems have both statfs and statvfs, pick the most "native" for these
448 if have_func_statfs and have_func_statvfs
449 # on solaris and irix, statfs doesn't even have the f_bavail field
450 if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
451 have_func_statfs = false
453 # at least on linux, statfs is the actual syscall
454 have_func_statvfs = false
458 glib_conf.set('USE_STATFS', 1)
459 stat_func_to_use = 'statfs'
460 elif have_func_statvfs
461 glib_conf.set('USE_STATVFS', 1)
462 stat_func_to_use = 'statvfs'
464 stat_func_to_use = 'neither'
466 message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
468 if host_system == 'linux'
469 if cc.has_function('mkostemp',
470 prefix: '''#define _GNU_SOURCE
471 #include <stdlib.h>''')
472 glib_conf.set('HAVE_MKOSTEMP', 1)
478 # Mac OS X Carbon support
479 glib_have_carbon = cc.compiles('''#include <Carbon/Carbon.h>
480 #include <CoreServices/CoreServices.h>''',
481 name : 'Mac OS X Carbon support')
483 glib_have_os_x_9_or_later = false
486 glib_conf.set('HAVE_CARBON', true)
487 CARBON_LIBS='-Wl,-framework,Carbon' # FIXME: propagate to .pc files as well
488 platform_ldflags += [CARBON_LIBS]
489 glib_have_os_x_9_or_later = cc.compiles('''#include <AvailabilityMacros.h>
490 #if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
491 #error Compiling for minimum OS X version before 10.9
492 #endif''', name : 'OS X 9 or later')
497 # Mac OS X Cocoa support
498 glib_have_cocoa = cc.compiles('''#include <Cocoa/Cocoa.h>
499 #ifdef GNUSTEP_BASE_VERSION
500 #error "Detected GNUstep, not Cocoa"
502 name : 'Mac OS X Cocoa support')
505 glib_conf.set('HAVE_COCOA', true)
506 COCOA_LIBS='-Wl,-framework,Foundation' # FIXME: propagate to .pc files as well
507 platform_ldflags += [COCOA_LIBS]
513 if cc.links('''#include <linux/futex.h>
514 #include <sys/syscall.h>
516 int main (int argc, char ** argv) {
517 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
519 }''', name : 'futex(2) system call')
520 glib_conf.set('HAVE_FUTEX', 1)
523 # Check for eventfd(2)
524 if cc.links('''#include <sys/eventfd.h>
526 int main (int argc, char ** argv) {
527 eventfd (0, EFD_CLOEXEC);
529 }''', name : 'eventfd(2) system call')
530 glib_conf.set('HAVE_EVENTFD', 1)
533 clock_gettime_test_code = '''
536 int main (int argc, char ** argv) {
537 return clock_gettime(CLOCK_REALTIME, &t);
540 if cc.links(clock_gettime_test_code, name : 'clock_gettime')
541 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
542 elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
543 glib_conf.set('HAVE_CLOCK_GETTIME', 1)
544 librt = cc.find_library('rt')
547 # if statfs() takes 2 arguments (Posix) or 4 (Solaris)
549 if cc.compiles(glib_conf_prefix + '''
551 #ifdef HAVE_SYS_PARAM_H
552 #include <sys/param.h>
554 #ifdef HAVE_SYS_VFS_H
557 #ifdef HAVE_SYS_MOUNT_H
558 #include <sys/mount.h>
560 #ifdef HAVE_SYS_STATFS_H
561 #include <sys/statfs.h>
563 void some_func (void) {
566 }''', name : 'number of arguments to statfs() (n=2)')
567 glib_conf.set('STATFS_ARGS', 2)
568 elif cc.compiles(glib_conf_prefix + '''
570 #ifdef HAVE_SYS_PARAM_H
571 #include <sys/param.h>
573 #ifdef HAVE_SYS_VFS_H
576 #ifdef HAVE_SYS_MOUNT_H
577 #include <sys/mount.h>
579 #ifdef HAVE_SYS_STATFS_H
580 #include <sys/statfs.h>
582 void some_func (void) {
584 statfs("/", &st, sizeof (st), 0);
585 }''', name : 'number of arguments to statfs() (n=4)')
586 glib_conf.set('STATFS_ARGS', 4)
588 error('Unable to determine number of arguments to statfs()')
592 # open takes O_DIRECTORY as an option
594 if cc.compiles('''#include <fcntl.h>
595 #include <sys/types.h>
596 #include <sys/stat.h>],
597 void some_func (void) {
598 open(0, O_DIRECTORY, 0);
599 }''', name : 'open() option O_DIRECTORY')
600 glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
603 # Check whether there is a vsnprintf() function with C99 semantics installed.
604 # AC_FUNC_VSNPRINTF_C99
605 # Check whether there is a snprintf() function with C99 semantics installed.
606 # AC_FUNC_SNPRINTF_C99
608 have_good_vsnprintf = false
609 have_good_snprintf = false
611 if host_system == 'windows'
612 # Unfortunately the mingw and Visual Studio 2015+ implementations of C99-style
613 # snprintf and vsnprintf don't seem to be quite good enough, at least not in
614 # mingw-runtime-3.14. (Sorry, I don't know exactly what is the problem,
615 # but it is related to floating point formatting and decimal point vs. comma.)
616 # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
617 # rigorous enough to notice, though.
618 glib_conf.set('HAVE_C99_SNPRINTF', false)
619 glib_conf.set('HAVE_C99_VSNPRINTF', false)
621 vsnprintf_c99_test_code = '''
633 r = vsnprintf(buffer, 5, s, args);
639 /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
640 implementation. The above will return 7 but if you replace
641 the size of the buffer with 0, it borks! */
643 r = vsnprintf(buffer, 0, s, args);
659 rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
660 if rres.compiled() and rres.returncode() == 0
661 glib_conf.set('HAVE_C99_VSNPRINTF', 1)
662 have_good_vsnprintf = true
665 snprintf_c99_test_code = '''
676 r = snprintf(buffer, 5, "1234567");
681 r = snprintf(buffer, 0, "1234567");
686 r = snprintf(NULL, 0, "1234567");
701 rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
702 if rres.compiled() and rres.returncode() == 0
703 glib_conf.set('HAVE_C99_SNPRINTF', 1)
704 have_good_snprintf = true
708 if host_system == 'windows'
709 glib_conf.set_quoted('EXEEXT', '.exe')
711 glib_conf.set('EXEEXT', '')
714 if have_good_vsnprintf and have_good_snprintf
715 # Our printf is 'good' only if vsnpintf()/snprintf() supports C99 well enough
716 glib_conf.set('HAVE_GOOD_PRINTF', 1) # FIXME: Check for HAVE_UNIX98_PRINTF?
718 glib_conf.set('HAVE_VASPRINTF', 1)
721 # Check whether the printf() family supports Unix98 %n$ positional parameters
722 # AC_FUNC_PRINTF_UNIX98
723 # Nothing uses HAVE_UNIX98_PRINTF
726 # Check for nl_langinfo and CODESET
727 # FIXME: Check for HAVE_BIND_TEXTDOMAIN_CODESET
728 if cc.links('''#include <langinfo.h>
729 int main (int argc, char ** argv) {
730 char *codeset = nl_langinfo (CODESET);
732 }''', name : 'nl_langinfo and CODESET')
733 glib_conf.set('HAVE_LANGINFO_CODESET', 1)
734 glib_conf.set('HAVE_CODESET', 1)
737 # Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
738 if cc.links('''#include <langinfo.h>
739 int main (int argc, char ** argv) {
741 str = nl_langinfo (PM_STR);
742 str = nl_langinfo (D_T_FMT);
743 str = nl_langinfo (D_FMT);
744 str = nl_langinfo (T_FMT);
745 str = nl_langinfo (T_FMT_AMPM);
746 str = nl_langinfo (MON_1);
747 str = nl_langinfo (ABMON_12);
748 str = nl_langinfo (DAY_1);
749 str = nl_langinfo (ABDAY_7);
751 }''', name : 'nl_langinfo (PM_STR)')
752 glib_conf.set('HAVE_LANGINFO_TIME', 1)
754 if cc.links('''#include <langinfo.h>
755 int main (int argc, char ** argv) {
757 str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
758 str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
759 str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
760 str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
761 str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
762 str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
763 str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
764 str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
765 str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
766 str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
768 }''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
769 glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
772 # Check if C compiler supports the 'signed' keyword
773 if not cc.compiles('''signed char x;''', name : 'signed')
774 glib_conf.set('signed', '/* NOOP */')
777 # Check if the ptrdiff_t type exists
778 if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
779 glib_conf.set('HAVE_PTRDIFF_T', 1)
782 # Check for sig_atomic_t type
783 if cc.links('''#include <signal.h>
784 #include <sys/types.h>
785 sig_atomic_t val = 42;
786 int main (int argc, char ** argv) {
787 return val == 42 ? 0 : 1;
788 }''', name : 'sig_atomic_t')
789 glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
792 # Check if 'long long' works and what format can be used to print it
793 # jm_AC_TYPE_LONG_LONG
794 # Nothing uses HAVE_LONG_LONG_FORMAT and HAVE_INT64_AND_I64
795 if cc.compiles('''long long ll = 1LL;
797 int some_func (void) {
798 long long llmax = (long long) -1;
799 return ll << i | ll >> i | llmax / ll | llmax % ll;
800 }''', name : 'long long')
801 glib_conf.set('HAVE_LONG_LONG', 1)
802 have_long_long = true
804 have_long_long = false
807 # Test whether the compiler supports the 'long double' type.
808 if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
809 long double foo = 0.0;
810 /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
811 int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
812 name : 'long double')
813 glib_conf.set('HAVE_LONG_DOUBLE', 1)
816 #dnl Test whether <stddef.h> has the 'wchar_t' type.
817 if cc.has_header_symbol('stddef.h', 'wchar_t')
818 glib_conf.set('HAVE_WCHAR_T', 1)
821 # Test whether <wchar.h> has the 'wint_t' type.
822 if cc.has_header_symbol('wchar.h', 'wint_t')
823 glib_conf.set('HAVE_WINT_T', 1)
826 found_uintmax_t = false
828 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
829 # doesn't clash with <sys/types.h>, and declares uintmax_t.
830 # jm_AC_HEADER_INTTYPES_H
831 if cc.compiles('''#include <sys/types.h>
832 #include <inttypes.h>
833 void some_func (void) {
834 uintmax_t i = (uintmax_t) -1;
835 }''', name : 'uintmax_t in inttypes.h')
836 glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
837 found_uintmax_t = true
840 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
841 # doesn't clash with <sys/types.h>, and declares uintmax_t.
842 # jm_AC_HEADER_STDINT_H
843 if cc.compiles('''#include <sys/types.h>
845 void some_func (void) {
846 uintmax_t i = (uintmax_t) -1;
847 }''', name : 'uintmax_t in stdint.h')
848 glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
849 found_uintmax_t = true
852 # Define intmax_t to 'long' or 'long long'
853 # if it is not already defined in <stdint.h> or <inttypes.h>.
854 # For simplicity, we assume that a header file defines 'intmax_t' if and
855 # only if it defines 'uintmax_t'.
857 glib_conf.set('HAVE_INTMAX_T', 1)
859 glib_conf.set('intmax_t', 'long long')
861 glib_conf.set('intmax_t', 'long')
864 char_size = cc.sizeof('char')
865 short_size = cc.sizeof('short')
866 int_size = cc.sizeof('int')
867 voidp_size = cc.sizeof('void*')
868 long_size = cc.sizeof('long')
870 long_long_size = cc.sizeof('long long')
874 sizet_size = cc.sizeof('size_t')
875 if cc.get_id() == 'msvc'
876 ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
878 ssizet_size = cc.sizeof('ssize_t')
881 # On Windows, MSVC supports both ll and I64 as format specifiers for 64-bit
882 # integers, but some versions (at least 4.7.x) of MinGW only support I64.
883 if host_system == 'windows'
889 char_align = cc.alignment('char')
890 short_align = cc.alignment('short')
891 int_align = cc.alignment('int')
892 voidp_align = cc.alignment('void*')
893 long_align = cc.alignment('long')
894 long_long_align = cc.alignment('long long')
895 # NOTE: We don't check for size of __int64 because long long is guaranteed to
896 # be 64-bit in C99, and it is available on all supported compilers
897 sizet_align = cc.alignment('size_t')
899 glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
901 glib_conf.set('SIZEOF_CHAR', char_size)
902 glib_conf.set('SIZEOF_INT', int_size)
903 glib_conf.set('SIZEOF_SHORT', short_size)
904 glib_conf.set('SIZEOF_LONG', long_size)
905 glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
906 glib_conf.set('SIZEOF_SIZE_T', sizet_size)
907 glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
908 glib_conf.set('SIZEOF_VOID_P', voidp_size)
921 error('Compiler provides no native 16-bit integer type')
923 glibconfig_conf.set('gint16', gint16)
924 glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
925 glibconfig_conf.set_quoted('gint16_format', gint16_format)
926 glibconfig_conf.set_quoted('guint16_format', guint16_format)
933 guint32_align = short_align
939 guint32_align = int_align
945 guint32_align = long_align
947 error('Compiler provides no native 32-bit integer type')
949 glibconfig_conf.set('gint32', gint32)
950 glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
951 glibconfig_conf.set_quoted('gint32_format', gint32_format)
952 glibconfig_conf.set_quoted('guint32_format', guint32_format)
953 glib_conf.set('ALIGNOF_GUINT32', guint32_align)
961 gint64_constant='(val)'
962 guint64_constant='(val)'
963 guint64_align = int_align
970 gint64_constant='(val##L)'
971 guint64_constant='(val##UL)'
972 guint64_align = long_align
973 elif long_long_size == 8
975 glib_extension='G_GNUC_EXTENSION '
976 gint64_modifier=int64_m
977 gint64_format=int64_m + 'i'
978 guint64_format=int64_m + 'u'
979 gint64_constant='(G_GNUC_EXTENSION (val##LL))'
980 guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
981 guint64_align = long_long_align
983 error('Compiler provides no native 64-bit integer type')
985 glibconfig_conf.set('glib_extension', glib_extension)
986 glibconfig_conf.set('gint64', gint64)
987 glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
988 glibconfig_conf.set_quoted('gint64_format', gint64_format)
989 glibconfig_conf.set_quoted('guint64_format', guint64_format)
990 glibconfig_conf.set('gint64_constant', gint64_constant)
991 glibconfig_conf.set('guint64_constant', guint64_constant)
992 glib_conf.set('ALIGNOF_GUINT64', guint64_align)
994 if host_system == 'windows'
995 glibconfig_conf.set('g_pid_type', 'void*')
996 glibconfig_conf.set_quoted('g_pid_format', 'p')
997 if host_machine.cpu_family() == 'x86_64'
998 glibconfig_conf.set_quoted('g_pollfd_format', '%#I64x')
1000 glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
1002 glibconfig_conf.set('g_dir_separator', '\\\\')
1003 glibconfig_conf.set('g_searchpath_separator', ';')
1005 glibconfig_conf.set('g_pid_type', 'int')
1006 glibconfig_conf.set_quoted('g_pid_format', 'i')
1007 glibconfig_conf.set_quoted('g_pollfd_format', '%d')
1008 glibconfig_conf.set('g_dir_separator', '/')
1009 glibconfig_conf.set('g_searchpath_separator', ':')
1012 if sizet_size == short_size
1013 glibconfig_conf.set('glib_size_type_define', 'short')
1014 glibconfig_conf.set_quoted('gsize_modifier', 'h')
1015 glibconfig_conf.set_quoted('gssize_modifier', 'h')
1016 glibconfig_conf.set_quoted('gsize_format', 'hu')
1017 glibconfig_conf.set_quoted('gssize_format', 'hi')
1018 glibconfig_conf.set('glib_msize_type', 'SHRT')
1019 elif sizet_size == int_size
1020 glibconfig_conf.set('glib_size_type_define', 'int')
1021 glibconfig_conf.set_quoted('gsize_modifier', '')
1022 glibconfig_conf.set_quoted('gssize_modifier', '')
1023 glibconfig_conf.set_quoted('gsize_format', 'u')
1024 glibconfig_conf.set_quoted('gssize_format', 'i')
1025 glibconfig_conf.set('glib_msize_type', 'INT')
1026 elif sizet_size == long_size
1027 glibconfig_conf.set('glib_size_type_define', 'long')
1028 glibconfig_conf.set_quoted('gsize_modifier', 'l')
1029 glibconfig_conf.set_quoted('gssize_modifier', 'l')
1030 glibconfig_conf.set_quoted('gsize_format', 'lu')
1031 glibconfig_conf.set_quoted('gssize_format', 'li')
1032 glibconfig_conf.set('glib_msize_type', 'LONG')
1033 elif sizet_size == long_long_size
1034 glibconfig_conf.set('glib_size_type_define', 'long long')
1035 glibconfig_conf.set_quoted('gsize_modifier', int64_m)
1036 glibconfig_conf.set_quoted('gssize_modifier', int64_m)
1037 glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
1038 glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
1039 glibconfig_conf.set('glib_msize_type', 'INT64')
1041 error('Could not determine size of size_t.')
1044 if voidp_size == int_size
1045 glibconfig_conf.set('glib_intptr_type_define', 'int')
1046 glibconfig_conf.set_quoted('gintptr_modifier', '')
1047 glibconfig_conf.set_quoted('gintptr_format', 'i')
1048 glibconfig_conf.set_quoted('guintptr_format', 'u')
1049 glibconfig_conf.set('glib_gpi_cast', '(gint)')
1050 glibconfig_conf.set('glib_gpui_cast', '(guint)')
1051 elif voidp_size == long_size
1052 glibconfig_conf.set('glib_intptr_type_define', 'long')
1053 glibconfig_conf.set_quoted('gintptr_modifier', 'l')
1054 glibconfig_conf.set_quoted('gintptr_format', 'li')
1055 glibconfig_conf.set_quoted('guintptr_format', 'lu')
1056 glibconfig_conf.set('glib_gpi_cast', '(glong)')
1057 glibconfig_conf.set('glib_gpui_cast', '(gulong)')
1058 elif voidp_size == long_long_size
1059 glibconfig_conf.set('glib_intptr_type_define', 'long long')
1060 glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
1061 glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
1062 glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
1063 glibconfig_conf.set('glib_gpi_cast', '(gint64)')
1064 glibconfig_conf.set('glib_gpui_cast', '(guint64)')
1066 error('Could not determine size of void *')
1069 if long_size != 8 and long_long_size != 8 and int_size != 8
1070 error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
1073 glibconfig_conf.set('gintbits', int_size * 8)
1074 glibconfig_conf.set('glongbits', long_size * 8)
1075 glibconfig_conf.set('gsizebits', sizet_size * 8)
1076 glibconfig_conf.set('gssizebits', ssizet_size * 8)
1078 # FIXME: maybe meson should tell us the libsuffix?
1079 if host_system == 'windows'
1080 g_module_suffix = 'dll'
1081 elif host_system == 'darwin'
1082 g_module_suffix = 'dylib'
1084 g_module_suffix = 'so'
1086 glibconfig_conf.set('g_module_suffix', g_module_suffix)
1088 glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
1089 glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
1090 glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
1091 glibconfig_conf.set('GLIB_VERSION', glib_version)
1093 glibconfig_conf.set('glib_void_p', voidp_size)
1094 glibconfig_conf.set('glib_long', long_size)
1095 glibconfig_conf.set('glib_size_t', sizet_size)
1096 glibconfig_conf.set('glib_ssize_t', ssizet_size)
1097 if host_machine.endian() == 'big'
1098 glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
1099 glibconfig_conf.set('g_bs_native', 'BE')
1100 glibconfig_conf.set('g_bs_alien', 'LE')
1102 glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
1103 glibconfig_conf.set('g_bs_native', 'LE')
1104 glibconfig_conf.set('g_bs_alien', 'BE')
1107 # === va_copy checks ===
1108 # we currently check for all three va_copy possibilities, so we get
1109 # all results in config.log for bug reports.
1112 foreach try_func : [ '__va_copy', 'va_copy' ]
1113 if cc.compiles('''#include <stdarg.h>
1116 # include "msvc_recommended_pragmas.h"
1118 void f (int i, ...) {
1119 va_list args1, args2;
1120 va_start (args1, i);
1122 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1124 va_end (args1); va_end (args2);
1129 }'''.format(try_func),
1130 name : try_func + ' check')
1131 va_copy_func = try_func
1134 if va_copy_func != ''
1135 glib_conf.set('G_VA_COPY', va_copy_func)
1136 glib_vacopy = '#define G_VA_COPY ' + va_copy_func
1138 glib_vacopy = '/* #undef G_VA_COPY */'
1141 va_list_val_copy_prog = '''
1144 void f (int i, ...) {
1145 va_list args1, args2;
1146 va_start (args1, i);
1148 if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
1150 va_end (args1); va_end (args2);
1157 # We do this in two steps so if compilation fails already it looks less alarming
1158 glib_va_val_copy = false
1159 if cc.compiles(va_list_val_copy_prog, name : 'va_lists can be copied as values')
1160 # FIXME: what to do when cross-compiling?
1161 if cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values').returncode() == 0
1162 glib_va_val_copy = true
1165 if not glib_va_val_copy
1166 glib_va_val_copy = false
1167 glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
1168 glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
1170 glibconfig_conf.set('glib_vacopy', glib_vacopy)
1172 # check for flavours of varargs macros
1173 g_have_iso_c_varargs = cc.compiles('''
1174 void some_func (void) {
1175 int a(int p1, int p2, int p3);
1176 #define call_a(...) a(1,__VA_ARGS__)
1178 }''', name : 'ISO C99 varargs macros in C')
1180 if g_have_iso_c_varargs
1181 glibconfig_conf.set('g_have_iso_c_varargs', '''
1183 # define G_HAVE_ISO_VARARGS 1
1187 g_have_iso_cxx_varargs = cxx.compiles('''
1188 void some_func (void) {
1189 int a(int p1, int p2, int p3);
1190 #define call_a(...) a(1,__VA_ARGS__)
1192 }''', name : 'ISO C99 varargs macros in C++')
1194 if g_have_iso_cxx_varargs
1195 glibconfig_conf.set('g_have_iso_cxx_varargs', '''
1197 # define G_HAVE_ISO_VARARGS 1
1201 g_have_gnuc_varargs = cc.compiles('''
1202 void some_func (void) {
1203 int a(int p1, int p2, int p3);
1204 #define call_a(params...) a(1,params)
1206 }''', name : 'GNUC varargs macros')
1208 if cc.has_header('alloca.h')
1209 glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
1211 has_syspoll = cc.has_header('sys/poll.h')
1212 has_systypes = cc.has_header('sys/types.h')
1214 glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
1216 has_winsock2 = cc.has_header('winsock2.h')
1218 if has_syspoll and has_systypes
1219 templ = '''#include<sys/poll.h>
1220 #include<sys/types.h>
1222 int main(int argc, char **argv) {
1223 printf("%d\n", (int)@0@);
1227 templ = '''#define _WIN32_WINNT 0x0600
1229 #include <winsock2.h>
1230 int main(int argc, char **argv) {
1231 printf("%d\n", (int)@0@);
1236 error('FIX POLL* defines')
1239 value_POLLIN = cc.run(templ.format('POLLIN'), name : 'POLLIN value').stdout().strip()
1240 value_POLLOUT = cc.run(templ.format('POLLOUT'), name : 'POLLOUT value').stdout().strip()
1241 value_POLLPRI = cc.run(templ.format('POLLPRI'), name : 'POLLPRI value').stdout().strip()
1242 value_POLLERR = cc.run(templ.format('POLLERR'), name : 'POLLERR value').stdout().strip()
1243 value_POLLHUP = cc.run(templ.format('POLLHUP'), name : 'POLLHUP value').stdout().strip()
1244 value_POLLNVAL = cc.run(templ.format('POLLNVAL'), name : 'POLLNVAL value').stdout().strip()
1246 glibconfig_conf.set('g_pollin', value_POLLIN)
1247 glibconfig_conf.set('g_pollout', value_POLLOUT)
1248 glibconfig_conf.set('g_pollpri', value_POLLPRI)
1249 glibconfig_conf.set('g_pollerr', value_POLLERR)
1250 glibconfig_conf.set('g_pollhup', value_POLLHUP)
1251 glibconfig_conf.set('g_pollnval', value_POLLNVAL)
1253 # Internet address families
1254 # FIXME: what about Cygwin (G_WITH_CYGWIN)
1255 if host_system == 'windows'
1256 glib_inet_includes= '''
1257 #include <winsock2.h>
1260 glib_inet_includes='''
1261 #include <sys/types.h>
1262 #include <sys/socket.h>
1267 [ 'AF_UNIX', 'g_af_unix' ],
1268 [ 'AF_INET', 'g_af_inet' ],
1269 [ 'AF_INET6', 'g_af_inet6' ],
1270 [ 'MSG_OOB', 'g_msg_oob' ],
1271 [ 'MSG_PEEK', 'g_msg_peek' ],
1272 [ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
1274 foreach d : net_defines
1277 int main(int argc, char **argv) {
1278 printf("%d\n", (int)@1@);
1281 # FIXME: fix for cross-compilation
1282 if not meson.has_exe_wrapper()
1283 error('Fix sys define detection for cross build')
1285 val = cc.run(templ.format(glib_inet_includes, d[0]), name : d[0] + ' value').stdout().strip()
1286 glibconfig_conf.set(d[1], val)
1289 glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', true) # FIXME!
1291 # We need a more robust approach here...
1292 host_cpu_family = host_machine.cpu_family()
1293 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')
1294 glib_memory_barrier_needed = false
1295 elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
1296 glib_memory_barrier_needed = true
1298 warning('Unknown host cpu: ' + host_cpu_family)
1299 glib_memory_barrier_needed = true
1301 glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
1303 # Note that the atomic ops are only available with GCC on x86 when
1304 # using -march=i486 or higher. If we detect that the atomic ops are
1305 # not available but would be available given the right flags, we want
1306 # to abort and advise the user to fix their CFLAGS. It's better to do
1307 # that then to silently fall back on emulated atomic ops just because
1308 # the user had the wrong build environment.
1309 atomictest = '''void func() {
1310 volatile int atomic = 2;
1311 __sync_bool_compare_and_swap (&atomic, 2, 3);
1314 if cc.compiles(atomictest)
1315 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', true)
1317 if host_machine.cpu_family() == 'x86' and cc.compiles(atomictest, args : '-march=i486')
1318 error('GLib must be built with -march=i486 or later.')
1320 glibconfig_conf.set('G_ATOMIC_LOCK_FREE', false)
1325 # Let meson figure out all this business and whether -pthread or whatnot is needed
1326 # FIXME: probably needs more tweaking in meson for things like -D_REENTRANT etc.
1327 thread_dep = dependency('threads')
1329 # Determination of thread implementation
1330 if host_system == 'windows'
1331 glibconfig_conf.set('g_threads_impl_def', 'WIN32')
1332 glib_conf.set('THREADS_WIN32', 1)
1334 glibconfig_conf.set('g_threads_impl_def', 'POSIX')
1335 glib_conf.set('THREADS_POSIX', 1)
1336 if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
1337 glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
1339 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
1340 glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
1342 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
1343 glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
1345 # Assume that pthread_setname_np is available in some form; same as configure
1346 if cc.links('''#ifndef _GNU_SOURCE
1347 # define _GNU_SOURCE
1349 #include <pthread.h>
1351 pthread_setname_np("example");
1353 name : 'pthread_setname_np(const char*)',
1354 dependencies : thread_dep)
1356 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
1357 elif cc.links('''#ifndef _GNU_SOURCE
1358 # define _GNU_SOURCE
1360 #include <pthread.h>
1362 pthread_setname_np(pthread_self(), "example");
1364 name : 'pthread_setname_np(pthread_t, const char*)',
1365 dependencies : thread_dep)
1366 # Linux, Solaris, etc.
1367 glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
1371 # FIXME: how to do this when cross-compiling?
1372 # FIXME: we should make it print the result and always return 0, so that
1373 # the output in meson shows up as green
1374 stack_grows_check_prog = '''
1375 volatile int *a = 0, *b = 0;
1387 return b > a ? 0 : 1;
1389 stack_grows_run_result = cc.run(stack_grows_check_prog, name : 'stack grows check')
1390 if stack_grows_run_result.compiled() and stack_grows_run_result.returncode() == 0
1391 glibconfig_conf.set('G_HAVE_GROWING_STACK', 1)
1393 glibconfig_conf.set('G_HAVE_GROWING_STACK', 0)
1398 # USE_LIBICONV_GNU: Using GNU libiconv
1399 # USE_LIBICONV_NATIVE: Using a native impl of iconv in a separate library
1401 # We should never use the MinGW C library's iconv. On Windows we use the
1402 # GNU implementation that ships with MinGW.
1404 # On Windows, just always use the built-in implementation
1405 if host_system == 'windows'
1407 glib_conf.set('USE_LIBICONV_NATIVE', true)
1410 iconv_opt = get_option('iconv')
1411 if iconv_opt == 'libc'
1412 if cc.has_function('iconv_open')
1416 elif iconv_opt == 'gnu'
1417 if cc.has_header_symbol('iconv.h', 'libiconv_open')
1418 glib_conf.set('USE_LIBICONV_GNU', true)
1419 libiconv = [cc.find_library('iconv')]
1422 elif iconv_opt == 'native'
1423 if cc.has_header_symbol('iconv.h', 'iconv_open')
1424 glib_conf.set('USE_LIBICONV_NATIVE', true)
1425 libiconv = [cc.find_library('iconv')]
1431 error('No iconv() implementation found in C library or libiconv')
1436 if get_option('internal_pcre')
1438 use_system_pcre = false
1440 pcre = dependency('libpcre', required : false) # Should check for Unicode support, too. FIXME
1442 if cc.get_id() == 'msvc'
1443 # MSVC: Search for the PCRE library by the configuration, which corresponds
1444 # to the output of CMake builds of PCRE. Note that debugoptimized
1445 # is really a Release build with .PDB files.
1446 if buildtype == 'debug'
1447 pcre = cc.find_library('pcred', required : false)
1449 pcre = cc.find_library('pcre', required : false)
1453 use_system_pcre = pcre.found()
1455 glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
1457 use_pcre_static_flag = false
1459 if host_system == 'windows'
1460 if not use_system_pcre
1461 use_pcre_static_flag = true
1463 pcre_static = cc.links('''#define PCRE_STATIC
1471 name : 'Windows system PCRE is a static build')
1473 use_pcre_static_flag = true
1478 libm = cc.find_library('m', required : false)
1479 libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
1480 zlib_libname = '-lz'
1481 if cc.get_id() != 'msvc'
1482 libz_dep = dependency('zlib', fallback : ['zlib', 'zlib_dep'])
1484 # MSVC: Don't use the bundled ZLib sources until we are sure that we can't
1485 # find the ZLib .lib
1486 libz_dep = dependency('zlib', required : false)
1488 # MSVC: Search for the ZLib .lib, which corresponds to the results of
1489 # of using ZLib's win32/makefile.msc.
1490 if not libz_dep.found()
1491 libz_dep = cc.find_library('zlib1', required : false)
1493 zlib_libname = '-lzlib1'
1495 libz_dep = cc.find_library('zlib', required : false)
1497 zlib_libname = '-lzlib'
1499 libz_dep = subproject('zlib').get_variable('zlib_dep')
1505 # Only used on non-glibc targets
1506 libintl = cc.find_library('intl', required : false)
1507 if host_system == 'windows' and not libintl.found()
1508 # Used only when the gettext library is not available (MSVC, not MinGW)
1509 libintl = subproject('proxy-libintl').get_variable('intl_dep')
1510 glib_conf.set('HAVE_DCGETTEXT', 1)
1512 glib_conf.set('HAVE_DCGETTEXT', cc.has_header_symbol('libintl.h', 'dcgettext'))
1514 # We require gettext to always be present
1515 glib_conf.set('HAVE_GETTEXT', 1)
1516 glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
1517 # xgettext is optional (on Windows for instance)
1518 xgettext = find_program('xgettext', required : false)
1520 # libmount is only used by gio, but we need to fetch the libs to generate the
1521 # pkg-config file below
1523 if host_system == 'linux' and get_option('libmount')
1524 libmount_dep = [dependency('mount', version : '>=2.28', required : false)]
1525 if not libmount_dep[0].found()
1526 libmount_dep = [cc.find_library('mount', required : true)]
1527 if not cc.has_header('libmount/libmount.h')
1528 error('libmount support needs libmount/libmount.h header')
1533 if host_system == 'windows'
1534 winsock2 = cc.find_library('ws2_32')
1538 if host_system == 'linux' and get_option('selinux')
1539 selinux_dep = [dependency('libselinux')]
1540 glib_conf.set('SELINUX_LIBS', '-lselinux')
1541 glib_conf.set('HAVE_SELINUX', 1)
1545 if host_system != 'windows' and get_option('xattr')
1546 # either glibc or libattr can provide xattr support
1547 # for both of them, we check for getxattr being in
1548 # the library and a valid xattr header.
1551 if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
1552 glib_conf.set('HAVE_SYS_XATTR_H', 1)
1553 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
1554 #failure. try libattr
1555 elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
1556 glib_conf.set('HAVE_ATTR_XATTR_H', 1)
1557 glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
1558 xattr_dep = [cc.find_library('xattr')]
1560 error('No getxattr implementation found in C library or libxattr')
1563 glib_conf.set('HAVE_XATTR', 1)
1564 if cc.compiles(glib_conf_prefix + '''
1566 #ifdef HAVE_SYS_TYPES_H
1567 #include <sys/types.h>
1569 #ifdef HAVE_SYS_XATTR_H
1570 #include <sys/xattr.h>
1571 #elif HAVE_ATTR_XATTR_H
1572 #include <attr/xattr.h>
1576 ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
1578 name : 'XATTR_NOFOLLOW')
1579 glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
1583 python = import('python3').find_python()
1585 # Determine which user environment-dependent files that we want to install
1586 have_bash = find_program('bash', required : false).found() # For completion scripts
1587 have_m4 = find_program('m4', required : false).found() # For m4 macros
1588 have_sh = find_program('sh', required : false).found() # For glib-gettextize
1590 # FIXME: defines in config.h that are not actually used anywhere
1591 # (we add them for now to minimise the diff)
1592 glib_conf.set('HAVE_DLFCN_H', 1)
1593 glib_conf.set('__EXTENSIONS__', 1)
1594 glib_conf.set('STDC_HEADERS', 1)
1596 glib_conf.set('SIZEOF___INT64', 8)
1598 # Various substs needed for our pkg-config files
1599 # FIXME: Derive these from the dependency() objects (Meson support needed)
1600 glib_conf.set('ZLIB_LIBS', zlib_libname)
1601 glib_conf.set('LIBFFI_LIBS', '-lffi')
1603 glib_conf.set('INTLLIBS', '-lintl')
1605 if libiconv.length() != 0
1606 glib_conf.set('ICONV_LIBS', '-liconv')
1609 glib_conf.set('PCRE_LIBS', '-lpcre')
1611 if libmount_dep.length() != 0
1612 glib_conf.set('LIBMOUNT_LIBS', '-lmount')
1613 glib_conf.set('HAVE_LIBMOUNT', 1)
1615 glib_conf.set('GIO_MODULE_DIR', glib_giomodulesdir)
1617 # @G_MODULE_LIBS@ @COCOA_LIBS@ @CARBON_LIBS@ @G_LIBS_EXTRA@
1618 # @PCRE_REQUIRES@ @GLIB_EXTRA_CFLAGS@ @G_THREAD_CFLAGS@
1621 want_dtrace = get_option('dtrace')
1622 enable_dtrace = false
1624 # Since dtrace support is opt-in we just error out if it was requested but
1625 # is not available. We don't bother with autodetection yet.
1628 error('GLib dtrace support not yet compatible with macOS dtrace')
1630 dtrace = find_program('dtrace', required : true) # error out if not found
1631 if not cc.has_header('sys/sdt.h')
1632 error('dtrace support needs sys/sdt.h header')
1634 # FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
1635 dtrace_obj_gen = generator(dtrace,
1636 output : '@BASENAME@.o',
1637 arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1638 # FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
1639 # -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
1640 dtrace_hdr_gen = generator(dtrace,
1641 output : '@BASENAME@.h',
1642 arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
1643 glib_conf.set('HAVE_DTRACE', 1)
1644 enable_dtrace = true
1648 want_systemtap = get_option('systemtap')
1649 enable_systemtap = false
1651 if want_systemtap and enable_dtrace
1652 tapset_install_dir = get_option('tapset_install_dir')
1653 if tapset_install_dir == ''
1654 tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
1656 stp_cdata = configuration_data()
1657 stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
1658 stp_cdata.set('LT_CURRENT', minor_version.to_int() * 100)
1659 stp_cdata.set('LT_REVISION', micro_version.to_int())
1660 enable_systemtap = true
1664 windows = import('windows')
1675 # Configure and install pkg-config files
1681 'gmodule-export-2.0.pc',
1682 'gmodule-no-export-2.0.pc',
1685 if host_system == 'windows'
1686 pc_files += ['gio-windows-2.0.pc']
1688 pc_files += ['gio-unix-2.0.pc']
1691 foreach pc : pc_files
1692 configure_file(input : pc + '.in',
1694 install_dir : glib_pkgconfigreldir,
1696 configuration : glib_conf)
1699 # NOTE: We skip glib-zip.in because the filenames it assumes don't match ours
1701 # Install glib-gettextize executable, if a UNIX-style shell is found
1703 configure_file(input : 'glib-gettextize.in',
1705 install_dir : 'bin',
1706 output : 'glib-gettextize',
1707 configuration : glib_conf)
1711 # Install m4 macros that other projects use
1712 install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
1713 install_dir : join_paths(get_option('datadir'), 'aclocal'))
1716 if host_system != 'windows'
1717 # Install Valgrind suppression file (except on Windows,
1718 # as Valgrind is currently not supported on Windows)
1719 install_data('glib.supp',
1720 install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
1723 configure_file(input : 'config.h.meson',
1724 output : 'config.h',
1725 configuration : glib_conf)
1727 if host_system == 'windows'
1728 install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
1731 if get_option('man')
1732 xsltproc = find_program('xsltproc', required : true)
1733 xsltproc_command = [
1736 '--stringparam', 'man.output.quietly', '1',
1737 '--stringparam', 'funcsynopsis.style', 'ansi',
1738 '--stringparam', 'man.th.extra1.suppress', '1',
1739 '--stringparam', 'man.authors.section.enabled', '0',
1740 '--stringparam', 'man.copyright.section.enabled', '0',
1742 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
1745 man1_dir = get_option('mandir') + '/man1'
1748 gnome = import('gnome')
1749 subdir('docs/reference/glib')
1750 subdir('docs/reference/gobject')
1751 subdir('docs/reference/gio')