mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-12-27 07:56:14 +01:00
2744d7921d
The test code can be built on Windows using Cygwin or MSYS2. Even though it's test code, it might bring assertion dialog box for native Windows while meson configure.
2237 lines
72 KiB
Meson
2237 lines
72 KiB
Meson
project('glib', 'c', 'cpp',
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version : '2.65.0',
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# NOTE: We keep this pinned at 0.49 because that's what Debian 10 ships
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meson_version : '>= 0.49.2',
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default_options : [
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'buildtype=debugoptimized',
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'warning_level=1',
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'c_std=gnu99'
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]
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)
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cc = meson.get_compiler('c')
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cxx = meson.get_compiler('cpp')
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cc_can_run = not meson.is_cross_build() or meson.has_exe_wrapper()
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if cc.get_id() == 'msvc'
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# Ignore several spurious warnings for things glib does very commonly
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# If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
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# If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
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# NOTE: Only add warnings here if you are sure they're spurious
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add_project_arguments('/wd4035', '/wd4715', '/wd4116',
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'/wd4046', '/wd4068', '/wo4090', '/FImsvc_recommended_pragmas.h',language : 'c')
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# Disable SAFESEH with MSVC for plugins and libs that use external deps that
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# are built with MinGW
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noseh_link_args = ['/SAFESEH:NO']
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# Set the input and exec encoding to utf-8, like is the default with GCC
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add_project_arguments(cc.get_supported_arguments(['/utf-8']), language: 'c')
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else
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noseh_link_args = []
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# -mms-bitfields vs -fnative-struct ?
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endif
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host_system = host_machine.system()
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glib_version = meson.project_version()
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glib_api_version = '2.0'
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version_arr = glib_version.split('.')
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major_version = version_arr[0].to_int()
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minor_version = version_arr[1].to_int()
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micro_version = version_arr[2].to_int()
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interface_age = minor_version.is_odd() ? 0 : micro_version
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binary_age = 100 * minor_version + micro_version
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soversion = 0
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# Maintain compatibility with previous libtool versioning
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# current = minor * 100 + micro
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current = binary_age - interface_age
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library_version = '@0@.@1@.@2@'.format(soversion, current, interface_age)
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darwin_versions = [current + 1, '@0@.@1@'.format(current + 1, interface_age)]
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configinc = include_directories('.')
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glibinc = include_directories('glib')
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gobjectinc = include_directories('gobject')
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gmoduleinc = include_directories('gmodule')
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gioinc = include_directories('gio')
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glib_prefix = get_option('prefix')
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glib_bindir = join_paths(glib_prefix, get_option('bindir'))
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glib_libdir = join_paths(glib_prefix, get_option('libdir'))
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glib_libexecdir = join_paths(glib_prefix, get_option('libexecdir'))
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glib_datadir = join_paths(glib_prefix, get_option('datadir'))
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glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
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glib_includedir = join_paths(glib_prefix, get_option('includedir'))
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if get_option('gio_module_dir') != ''
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glib_giomodulesdir = join_paths(glib_prefix, get_option('gio_module_dir'))
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else
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glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
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endif
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glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
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if get_option('charsetalias_dir') != ''
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glib_charsetaliasdir = join_paths(glib_prefix, get_option('charsetalias_dir'))
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else
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glib_charsetaliasdir = glib_libdir
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endif
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installed_tests_metadir = join_paths(glib_datadir, 'installed-tests', meson.project_name())
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installed_tests_execdir = join_paths(glib_libexecdir, 'installed-tests', meson.project_name())
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installed_tests_enabled = get_option('installed_tests')
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installed_tests_template = files('template.test.in')
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installed_tests_template_tap = files('template-tap.test.in')
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# Don’t build the tests unless we can run them (either natively, in an exe wrapper, or by installing them for later use)
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build_tests = not meson.is_cross_build() or (meson.is_cross_build() and meson.has_exe_wrapper()) or installed_tests_enabled
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add_project_arguments('-D_GNU_SOURCE', language: 'c')
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# Disable strict aliasing;
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# see https://bugzilla.gnome.org/show_bug.cgi?id=791622
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if cc.has_argument('-fno-strict-aliasing')
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add_project_arguments('-fno-strict-aliasing', language: 'c')
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endif
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########################
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# Configuration begins #
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########################
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glib_conf = configuration_data()
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glibconfig_conf = configuration_data()
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# accumulated list of defines as we check for them, so we can easily
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# use them later in test programs (autoconf does this automatically)
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glib_conf_prefix = ''
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glib_conf.set('GLIB_MAJOR_VERSION', major_version)
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glib_conf.set('GLIB_MINOR_VERSION', minor_version)
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glib_conf.set('GLIB_MICRO_VERSION', micro_version)
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glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
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glib_conf.set('GLIB_BINARY_AGE', binary_age)
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glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
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glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
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glib_conf.set_quoted('PACKAGE_NAME', 'glib')
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glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
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glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
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glib_conf.set_quoted('PACKAGE_URL', '')
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glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
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glib_conf.set('ENABLE_NLS', 1)
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# used by the .rc.in files
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glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
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glib_conf.set('_GNU_SOURCE', 1)
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if host_system == 'windows'
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# Poll doesn't work on devices on Windows
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glib_conf.set('BROKEN_POLL', true)
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endif
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if host_system == 'windows' and cc.get_id() != 'msvc' and cc.get_id() != 'clang-cl'
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# FIXME: Ideally we shouldn't depend on this on Windows and should use
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# 64 bit capable Windows API that also works with MSVC.
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# The autotools build did set this for mingw and while meson sets it
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# for gcc/clang by default, it doesn't do so on Windows.
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glib_conf.set('_FILE_OFFSET_BITS', 64)
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endif
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# Check for GNU visibility attributes
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g_have_gnuc_visibility = cc.compiles('''
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void
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__attribute__ ((visibility ("hidden")))
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f_hidden (void)
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{
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}
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void
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__attribute__ ((visibility ("internal")))
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f_internal (void)
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{
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}
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void
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__attribute__ ((visibility ("default")))
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f_default (void)
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{
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}
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int main (void)
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{
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f_hidden();
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f_internal();
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f_default();
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return 0;
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}
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''',
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# Not supported by MSVC, but MSVC also won't support visibility,
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# so it's OK to pass -Werror explicitly. Replace with
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# override_options : 'werror=true' once that is supported
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args: ['-Werror'],
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name : 'GNU C visibility attributes test')
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if g_have_gnuc_visibility
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glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
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endif
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# Detect and set symbol visibility
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glib_hidden_visibility_args = []
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if get_option('default_library') != 'static'
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if host_system == 'windows' or host_system == 'cygwin'
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glib_conf.set('DLL_EXPORT', true)
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if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
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glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
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elif cc.has_argument('-fvisibility=hidden')
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glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
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glib_hidden_visibility_args = ['-fvisibility=hidden']
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endif
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elif cc.has_argument('-fvisibility=hidden')
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glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
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glib_hidden_visibility_args = ['-fvisibility=hidden']
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endif
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endif
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if get_option('default_library') == 'static'
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glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
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glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
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endif
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# Cygwin glib port maintainers made it clear
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# (via the patches they apply) that they want no
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# part of glib W32 code, therefore we do not define
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# G_PLATFORM_WIN32 for host_system == 'cygwin'.
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# This makes G_PLATFORM_WIN32 a synonym for
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# G_OS_WIN32.
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if host_system == 'windows'
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glib_os = '''#define G_OS_WIN32
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#define G_PLATFORM_WIN32'''
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elif host_system == 'cygwin'
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glib_os = '''#define G_OS_UNIX
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#define G_WITH_CYGWIN'''
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else
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glib_os = '#define G_OS_UNIX'
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endif
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glibconfig_conf.set('glib_os', glib_os)
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# We need to know the build type to determine what .lib files we need on Visual Studio
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# for dependencies that don't normally come with pkg-config files for Visual Studio builds
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buildtype = get_option('buildtype')
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glib_debug_cflags = []
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if buildtype.startswith('debug')
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glib_debug_cflags += ['-DG_ENABLE_DEBUG']
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elif buildtype == 'release'
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glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
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endif
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add_project_arguments(glib_debug_cflags, language: 'c')
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# check for header files
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headers = [
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'alloca.h',
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'crt_externs.h',
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'dirent.h', # MSC does not come with this by default
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'float.h',
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'fstab.h',
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'grp.h',
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'inttypes.h',
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'limits.h',
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'linux/magic.h',
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'locale.h',
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'mach/mach_time.h',
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'memory.h',
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'mntent.h',
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'poll.h',
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'pwd.h',
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'sched.h',
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'spawn.h',
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'stdint.h',
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'stdlib.h',
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'string.h',
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'strings.h',
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'sys/auxv.h',
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'sys/event.h',
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'sys/filio.h',
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'sys/inotify.h',
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'sys/mkdev.h',
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'sys/mntctl.h',
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'sys/mnttab.h',
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'sys/mount.h',
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'sys/param.h',
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'sys/resource.h',
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'sys/select.h',
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'sys/statfs.h',
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'sys/stat.h',
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'sys/statvfs.h',
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'sys/sysctl.h',
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'sys/time.h', # MSC does not come with this by default
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'sys/times.h',
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'sys/types.h',
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'sys/uio.h',
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'sys/vfs.h',
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'sys/vfstab.h',
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'sys/vmount.h',
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'sys/wait.h',
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'termios.h',
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'unistd.h',
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'values.h',
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'wchar.h',
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'xlocale.h',
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]
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foreach h : headers
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if cc.has_header(h)
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define = 'HAVE_' + h.underscorify().to_upper()
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glib_conf.set(define, 1)
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glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
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endif
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endforeach
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# FIXME: Use cc.check_header from Meson 0.47.
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# FreeBSD includes a malloc.h which always throw compilation error.
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if cc.compiles('#include <malloc.h>', name : 'malloc.h')
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glib_conf.set('HAVE_MALLOC_H', 1)
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glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
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endif
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if cc.has_header('linux/netlink.h')
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glib_conf.set('HAVE_NETLINK', 1)
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endif
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if glib_conf.has('HAVE_LOCALE_H')
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if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
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glib_conf.set('HAVE_LC_MESSAGES', 1)
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endif
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endif
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struct_stat_blkprefix = '''
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_STATFS_H
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#include <sys/statfs.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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'''
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struct_members = [
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[ 'stat', 'st_mtimensec' ],
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[ 'stat', 'st_mtim.tv_nsec' ],
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[ 'stat', 'st_atimensec' ],
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[ 'stat', 'st_atim.tv_nsec' ],
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[ 'stat', 'st_ctimensec' ],
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[ 'stat', 'st_ctim.tv_nsec' ],
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[ 'stat', 'st_birthtime' ],
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[ 'stat', 'st_birthtimensec' ],
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[ 'stat', 'st_birthtim' ],
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[ 'stat', 'st_birthtim.tv_nsec' ],
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[ 'stat', 'st_blksize', struct_stat_blkprefix ],
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[ 'stat', 'st_blocks', struct_stat_blkprefix ],
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[ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
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[ 'statfs', 'f_bavail', struct_stat_blkprefix ],
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[ 'dirent', 'd_type', '''#include <sys/types.h>
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#include <dirent.h>''' ],
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[ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
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[ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
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[ 'tm', 'tm_gmtoff', '#include <time.h>' ],
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[ 'tm', '__tm_gmtoff', '#include <time.h>' ],
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]
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foreach m : struct_members
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header_check_prefix = glib_conf_prefix
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if m.length() == 3
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header_check_prefix = header_check_prefix + m[2]
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else
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header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
|
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endif
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if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
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define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
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glib_conf.set(define, 1)
|
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glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
|
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else
|
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endif
|
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endforeach
|
||
|
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# Compiler flags
|
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if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
|
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warning_c_args = [
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'-Wduplicated-branches',
|
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'-Wimplicit-fallthrough',
|
||
'-Wmisleading-indentation',
|
||
'-Wstrict-prototypes',
|
||
'-Wunused',
|
||
# Due to maintained deprecated code, we do not want to see unused parameters
|
||
'-Wno-unused-parameter',
|
||
# Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
|
||
# building with -Wbad-function-cast.
|
||
'-Wno-bad-function-cast',
|
||
'-Wno-cast-function-type',
|
||
# Due to function casts through (void*) we cannot support -Wpedantic:
|
||
# https://wiki.gnome.org/Projects/GLib/CompilerRequirements#Function_pointer_conversions.
|
||
'-Wno-pedantic',
|
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'-Werror=declaration-after-statement',
|
||
'-Werror=format=2',
|
||
'-Werror=implicit-function-declaration',
|
||
'-Werror=init-self',
|
||
'-Werror=missing-include-dirs',
|
||
'-Werror=missing-prototypes',
|
||
'-Werror=pointer-arith',
|
||
]
|
||
warning_c_link_args = [
|
||
'-Wl,-z,nodelete',
|
||
]
|
||
if get_option('bsymbolic_functions')
|
||
warning_c_link_args += ['-Wl,-Bsymbolic-functions']
|
||
endif
|
||
else
|
||
warning_c_args = []
|
||
warning_c_link_args = []
|
||
endif
|
||
|
||
add_project_arguments(cc.get_supported_arguments(warning_c_args), language: 'c')
|
||
|
||
# FIXME: We cannot build some of the GResource tests with -z nodelete, which
|
||
# means we cannot use that flag in add_project_link_arguments(), and must add
|
||
# it to the relevant targets manually. We do the same with -Bsymbolic-functions
|
||
# because that is what the autotools build did.
|
||
# See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
|
||
# improve this.
|
||
glib_link_flags = cc.get_supported_link_arguments(warning_c_link_args)
|
||
|
||
# Windows SDK requirements and checks
|
||
if host_system == 'windows'
|
||
# Check whether we're building for UWP apps
|
||
code = '''
|
||
#include <windows.h>
|
||
#if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
|
||
#error "Not building for UWP"
|
||
#endif'''
|
||
if cc.compiles(code, name : 'building for UWP')
|
||
glib_conf.set('G_WINAPI_ONLY_APP', true)
|
||
# We require Windows 10+ on WinRT
|
||
glib_conf.set('_WIN32_WINNT', '0x0A00')
|
||
else
|
||
# We require Windows 7+ on Win32
|
||
glib_conf.set('_WIN32_WINNT', '0x0601')
|
||
endif
|
||
endif
|
||
|
||
functions = [
|
||
'endmntent',
|
||
'endservent',
|
||
'fallocate',
|
||
'fchmod',
|
||
'fchown',
|
||
'fdwalk',
|
||
'fsync',
|
||
'getauxval',
|
||
'getc_unlocked',
|
||
'getfsstat',
|
||
'getgrgid_r',
|
||
'getmntent_r',
|
||
'getpwuid_r',
|
||
'getresuid',
|
||
'getvfsstat',
|
||
'gmtime_r',
|
||
'hasmntopt',
|
||
'inotify_init1',
|
||
'issetugid',
|
||
'kevent',
|
||
'kqueue',
|
||
'lchmod',
|
||
'lchown',
|
||
'link',
|
||
'localtime_r',
|
||
'lstat',
|
||
'mbrtowc',
|
||
'memalign',
|
||
'mmap',
|
||
'newlocale',
|
||
'pipe2',
|
||
'poll',
|
||
'prlimit',
|
||
'readlink',
|
||
'recvmmsg',
|
||
'sendmmsg',
|
||
'setenv',
|
||
'setmntent',
|
||
'strerror_r',
|
||
'strnlen',
|
||
'strsignal',
|
||
'strtod_l',
|
||
'strtoll_l',
|
||
'strtoull_l',
|
||
'symlink',
|
||
'timegm',
|
||
'unsetenv',
|
||
'uselocale',
|
||
'utimes',
|
||
'valloc',
|
||
'vasprintf',
|
||
'vsnprintf',
|
||
'wcrtomb',
|
||
'wcslen',
|
||
'wcsnlen',
|
||
'sysctlbyname',
|
||
'_NSGetEnviron',
|
||
]
|
||
|
||
if glib_conf.has('HAVE_SYS_STATVFS_H')
|
||
functions += ['statvfs']
|
||
else
|
||
have_func_statvfs = false
|
||
endif
|
||
if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
|
||
functions += ['statfs']
|
||
else
|
||
have_func_statfs = false
|
||
endif
|
||
|
||
if host_system == 'windows'
|
||
iphlpapi_dep = cc.find_library('iphlpapi')
|
||
iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
|
||
foreach ifunc : iphlpapi_funcs
|
||
iphl_prefix = '''#define _WIN32_WINNT @0@
|
||
#include <winsock2.h>
|
||
#include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
|
||
if cc.has_function(ifunc,
|
||
prefix : iphl_prefix,
|
||
dependencies : iphlpapi_dep)
|
||
idefine = 'HAVE_' + ifunc.underscorify().to_upper()
|
||
glib_conf.set(idefine, 1)
|
||
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
|
||
set_variable('have_func_' + ifunc, true)
|
||
else
|
||
set_variable('have_func_' + ifunc, false)
|
||
endif
|
||
endforeach
|
||
else
|
||
functions += ['if_indextoname', 'if_nametoindex']
|
||
endif
|
||
|
||
# AIX splice is something else
|
||
if host_system != 'aix'
|
||
functions += ['splice']
|
||
endif
|
||
|
||
foreach f : functions
|
||
if cc.has_function(f)
|
||
define = 'HAVE_' + f.underscorify().to_upper()
|
||
glib_conf.set(define, 1)
|
||
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
|
||
set_variable('have_func_' + f, true)
|
||
else
|
||
set_variable('have_func_' + f, false)
|
||
endif
|
||
endforeach
|
||
|
||
# Check that stpcpy() is usable; must use header
|
||
if cc.has_function('stpcpy', prefix : '#include <string.h>')
|
||
glib_conf.set('HAVE_STPCPY', 1)
|
||
endif
|
||
|
||
# Check that posix_memalign() is usable; must use header
|
||
if cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
|
||
glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
|
||
endif
|
||
|
||
# Check that posix_spawn() is usable; must use header
|
||
if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
|
||
glib_conf.set('HAVE_POSIX_SPAWN', 1)
|
||
endif
|
||
|
||
# Check whether strerror_r returns char *
|
||
if have_func_strerror_r
|
||
if cc.compiles('''#define _GNU_SOURCE
|
||
#include <string.h>
|
||
int func (void) {
|
||
char error_string[256];
|
||
char *ptr = strerror_r (-2, error_string, 256);
|
||
char c = *strerror_r (-2, error_string, 256);
|
||
return c != 0 && ptr != (void*) 0L;
|
||
}
|
||
''',
|
||
name : 'strerror_r() returns char *')
|
||
glib_conf.set('STRERROR_R_CHAR_P', 1,
|
||
description: 'Defined if strerror_r returns char *')
|
||
endif
|
||
endif
|
||
|
||
# Special-case these functions that have alternative names on Windows/MSVC
|
||
if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
|
||
glib_conf.set('HAVE_SNPRINTF', 1)
|
||
glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
|
||
elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
|
||
hack_define = '1\n#define snprintf _snprintf'
|
||
glib_conf.set('HAVE_SNPRINTF', hack_define)
|
||
glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
|
||
endif
|
||
|
||
if cc.has_function('strcasecmp')
|
||
glib_conf.set('HAVE_STRCASECMP', 1)
|
||
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
|
||
elif cc.has_function('_stricmp')
|
||
hack_define = '1\n#define strcasecmp _stricmp'
|
||
glib_conf.set('HAVE_STRCASECMP', hack_define)
|
||
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
|
||
endif
|
||
|
||
if cc.has_function('strncasecmp')
|
||
glib_conf.set('HAVE_STRNCASECMP', 1)
|
||
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
|
||
elif cc.has_function('_strnicmp')
|
||
hack_define = '1\n#define strncasecmp _strnicmp'
|
||
glib_conf.set('HAVE_STRNCASECMP', hack_define)
|
||
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
|
||
endif
|
||
|
||
if cc.has_header_symbol('sys/sysmacros.h', 'major')
|
||
glib_conf.set('MAJOR_IN_SYSMACROS', 1)
|
||
elif cc.has_header_symbol('sys/mkdev.h', 'major')
|
||
glib_conf.set('MAJOR_IN_MKDEV', 1)
|
||
elif cc.has_header_symbol('sys/types.h', 'major')
|
||
glib_conf.set('MAJOR_IN_TYPES', 1)
|
||
endif
|
||
|
||
if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
|
||
glib_conf.set('HAVE_RTLD_LAZY', 1)
|
||
endif
|
||
|
||
if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
|
||
glib_conf.set('HAVE_RTLD_NOW', 1)
|
||
endif
|
||
|
||
if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
|
||
glib_conf.set('HAVE_RTLD_GLOBAL', 1)
|
||
endif
|
||
|
||
have_rtld_next = false
|
||
if cc.has_header_symbol('dlfcn.h', 'RTLD_NEXT', args: '-D_GNU_SOURCE')
|
||
have_rtld_next = true
|
||
glib_conf.set('HAVE_RTLD_NEXT', 1)
|
||
endif
|
||
|
||
# Check whether to use statfs or statvfs
|
||
# Some systems have both statfs and statvfs, pick the most "native" for these
|
||
if have_func_statfs and have_func_statvfs
|
||
# on solaris and irix, statfs doesn't even have the f_bavail field
|
||
if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
|
||
have_func_statfs = false
|
||
else
|
||
# at least on linux, statfs is the actual syscall
|
||
have_func_statvfs = false
|
||
endif
|
||
endif
|
||
if have_func_statfs
|
||
glib_conf.set('USE_STATFS', 1)
|
||
stat_func_to_use = 'statfs'
|
||
elif have_func_statvfs
|
||
glib_conf.set('USE_STATVFS', 1)
|
||
stat_func_to_use = 'statvfs'
|
||
else
|
||
stat_func_to_use = 'neither'
|
||
endif
|
||
message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
|
||
|
||
if host_system == 'linux'
|
||
if cc.has_function('mkostemp',
|
||
prefix: '''#define _GNU_SOURCE
|
||
#include <stdlib.h>''')
|
||
glib_conf.set('HAVE_MKOSTEMP', 1)
|
||
endif
|
||
endif
|
||
|
||
osx_ldflags = []
|
||
glib_have_os_x_9_or_later = false
|
||
glib_have_carbon = false
|
||
glib_have_cocoa = false
|
||
if host_system == 'darwin'
|
||
add_languages('objc')
|
||
objcc = meson.get_compiler('objc')
|
||
|
||
osx_ldflags += ['-Wl,-framework,CoreFoundation']
|
||
|
||
# Mac OS X Carbon support
|
||
glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
|
||
#include <CoreServices/CoreServices.h>''',
|
||
name : 'Mac OS X Carbon support')
|
||
|
||
if glib_have_carbon
|
||
glib_conf.set('HAVE_CARBON', true)
|
||
osx_ldflags += '-Wl,-framework,Carbon'
|
||
glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
|
||
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
|
||
#error Compiling for minimum OS X version before 10.9
|
||
#endif''',
|
||
name : 'OS X 9 or later')
|
||
endif
|
||
|
||
# Mac OS X Cocoa support
|
||
glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
|
||
#ifdef GNUSTEP_BASE_VERSION
|
||
#error "Detected GNUstep, not Cocoa"
|
||
#endif''',
|
||
name : 'Mac OS X Cocoa support')
|
||
|
||
if glib_have_cocoa
|
||
glib_conf.set('HAVE_COCOA', true)
|
||
osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
|
||
endif
|
||
|
||
# FIXME: libgio mix C and objC source files and there is no way to reliably
|
||
# know which language flags it's going to use to link. Add to both languages
|
||
# for now. See https://github.com/mesonbuild/meson/issues/3585.
|
||
add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
|
||
endif
|
||
|
||
# Check for futex(2)
|
||
if cc.links('''#include <linux/futex.h>
|
||
#include <sys/syscall.h>
|
||
#include <unistd.h>
|
||
int main (int argc, char ** argv) {
|
||
syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
|
||
return 0;
|
||
}''', name : 'futex(2) system call')
|
||
glib_conf.set('HAVE_FUTEX', 1)
|
||
endif
|
||
|
||
# Check for eventfd(2)
|
||
if cc.links('''#include <sys/eventfd.h>
|
||
#include <unistd.h>
|
||
int main (int argc, char ** argv) {
|
||
eventfd (0, EFD_CLOEXEC);
|
||
return 0;
|
||
}''', name : 'eventfd(2) system call')
|
||
glib_conf.set('HAVE_EVENTFD', 1)
|
||
endif
|
||
|
||
clock_gettime_test_code = '''
|
||
#include <time.h>
|
||
struct timespec t;
|
||
int main (int argc, char ** argv) {
|
||
return clock_gettime(CLOCK_REALTIME, &t);
|
||
}'''
|
||
librt = []
|
||
if cc.links(clock_gettime_test_code, name : 'clock_gettime')
|
||
glib_conf.set('HAVE_CLOCK_GETTIME', 1)
|
||
elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
|
||
glib_conf.set('HAVE_CLOCK_GETTIME', 1)
|
||
librt = cc.find_library('rt')
|
||
endif
|
||
|
||
dlopen_dlsym_test_code = '''
|
||
#include <dlfcn.h>
|
||
int glib_underscore_test (void) { return 42; }
|
||
int main (int argc, char ** argv) {
|
||
void *f1 = (void*)0, *f2 = (void*)0, *handle;
|
||
handle = dlopen ((void*)0, 0);
|
||
if (handle) {
|
||
f1 = dlsym (handle, "glib_underscore_test");
|
||
f2 = dlsym (handle, "_glib_underscore_test");
|
||
}
|
||
return (!f2 || f1);
|
||
}'''
|
||
libdl_dep = []
|
||
if cc.links(dlopen_dlsym_test_code, name : 'dlopen() and dlsym() in system libraries')
|
||
have_dlopen_dlsym = true
|
||
elif cc.links(dlopen_dlsym_test_code, args : '-ldl', name : 'dlopen() and dlsym() in libdl')
|
||
have_dlopen_dlsym = true
|
||
libdl_dep = cc.find_library('dl')
|
||
else
|
||
have_dlopen_dlsym = false
|
||
endif
|
||
|
||
# if statfs() takes 2 arguments (Posix) or 4 (Solaris)
|
||
if have_func_statfs
|
||
if cc.compiles(glib_conf_prefix + '''
|
||
#include <unistd.h>
|
||
#ifdef HAVE_SYS_PARAM_H
|
||
#include <sys/param.h>
|
||
#endif
|
||
#ifdef HAVE_SYS_VFS_H
|
||
#include <sys/vfs.h>
|
||
#endif
|
||
#ifdef HAVE_SYS_MOUNT_H
|
||
#include <sys/mount.h>
|
||
#endif
|
||
#ifdef HAVE_SYS_STATFS_H
|
||
#include <sys/statfs.h>
|
||
#endif
|
||
void some_func (void) {
|
||
struct statfs st;
|
||
statfs("/", &st);
|
||
}''', name : 'number of arguments to statfs() (n=2)')
|
||
glib_conf.set('STATFS_ARGS', 2)
|
||
elif cc.compiles(glib_conf_prefix + '''
|
||
#include <unistd.h>
|
||
#ifdef HAVE_SYS_PARAM_H
|
||
#include <sys/param.h>
|
||
#endif
|
||
#ifdef HAVE_SYS_VFS_H
|
||
#include <sys/vfs.h>
|
||
#endif
|
||
#ifdef HAVE_SYS_MOUNT_H
|
||
#include <sys/mount.h>
|
||
#endif
|
||
#ifdef HAVE_SYS_STATFS_H
|
||
#include <sys/statfs.h>
|
||
#endif
|
||
void some_func (void) {
|
||
struct statfs st;
|
||
statfs("/", &st, sizeof (st), 0);
|
||
}''', name : 'number of arguments to statfs() (n=4)')
|
||
glib_conf.set('STATFS_ARGS', 4)
|
||
else
|
||
error('Unable to determine number of arguments to statfs()')
|
||
endif
|
||
endif
|
||
|
||
# open takes O_DIRECTORY as an option
|
||
#AC_MSG_CHECKING([])
|
||
if cc.compiles('''#include <fcntl.h>
|
||
#include <sys/types.h>
|
||
#include <sys/stat.h>],
|
||
void some_func (void) {
|
||
open(0, O_DIRECTORY, 0);
|
||
}''', name : 'open() option O_DIRECTORY')
|
||
glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
|
||
endif
|
||
|
||
# Check whether there is a vsnprintf() function with C99 semantics installed.
|
||
# (similar tests to AC_FUNC_VSNPRINTF_C99)
|
||
# Check whether there is a snprintf() function with C99 semantics installed.
|
||
# (similar tests to AC_FUNC_SNPRINTF_C99)
|
||
# Check whether there is a printf() function with Unix98 semantics installed.
|
||
# (similar tests to AC_FUNC_PRINTF_UNIX98)
|
||
have_good_vsnprintf = false
|
||
have_good_snprintf = false
|
||
have_good_printf = false
|
||
|
||
if host_system == 'windows' and (cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl')
|
||
# Unfortunately the Visual Studio 2015+ implementations of C99-style
|
||
# snprintf and vsnprintf don't seem to be quite good enough.
|
||
# (Sorry, I don't know exactly what is the problem,
|
||
# but it is related to floating point formatting and decimal point vs. comma.)
|
||
# The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
|
||
# rigorous enough to notice, though.
|
||
glib_conf.set('HAVE_C99_SNPRINTF', false)
|
||
glib_conf.set('HAVE_C99_VSNPRINTF', false)
|
||
glib_conf.set('HAVE_UNIX98_PRINTF', false)
|
||
else
|
||
vsnprintf_c99_test_code = '''
|
||
#include <stdio.h>
|
||
#include <stdarg.h>
|
||
|
||
int
|
||
doit(char * s, ...)
|
||
{
|
||
char buffer[32];
|
||
va_list args;
|
||
int r;
|
||
|
||
va_start(args, s);
|
||
r = vsnprintf(buffer, 5, s, args);
|
||
va_end(args);
|
||
|
||
if (r != 7)
|
||
exit(1);
|
||
|
||
/* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
|
||
implementation. The above will return 7 but if you replace
|
||
the size of the buffer with 0, it borks! */
|
||
va_start(args, s);
|
||
r = vsnprintf(buffer, 0, s, args);
|
||
va_end(args);
|
||
|
||
if (r != 7)
|
||
exit(1);
|
||
|
||
exit(0);
|
||
}
|
||
|
||
int
|
||
main(void)
|
||
{
|
||
doit("1234567");
|
||
exit(1);
|
||
}'''
|
||
|
||
if cc_can_run
|
||
rres = cc.run(vsnprintf_c99_test_code, name : 'C99 vsnprintf')
|
||
if rres.compiled() and rres.returncode() == 0
|
||
glib_conf.set('HAVE_C99_VSNPRINTF', 1)
|
||
have_good_vsnprintf = true
|
||
endif
|
||
else
|
||
have_good_vsnprintf = meson.get_cross_property('have_c99_vsnprintf', false)
|
||
glib_conf.set('HAVE_C99_VSNPRINTF', have_good_vsnprintf)
|
||
endif
|
||
|
||
snprintf_c99_test_code = '''
|
||
#include <stdio.h>
|
||
#include <stdarg.h>
|
||
|
||
int
|
||
doit()
|
||
{
|
||
char buffer[32];
|
||
va_list args;
|
||
int r;
|
||
|
||
r = snprintf(buffer, 5, "1234567");
|
||
|
||
if (r != 7)
|
||
exit(1);
|
||
|
||
r = snprintf(buffer, 0, "1234567");
|
||
|
||
if (r != 7)
|
||
exit(1);
|
||
|
||
r = snprintf(NULL, 0, "1234567");
|
||
|
||
if (r != 7)
|
||
exit(1);
|
||
|
||
exit(0);
|
||
}
|
||
|
||
int
|
||
main(void)
|
||
{
|
||
doit();
|
||
exit(1);
|
||
}'''
|
||
|
||
if cc_can_run
|
||
rres = cc.run(snprintf_c99_test_code, name : 'C99 snprintf')
|
||
if rres.compiled() and rres.returncode() == 0
|
||
glib_conf.set('HAVE_C99_SNPRINTF', 1)
|
||
have_good_snprintf = true
|
||
endif
|
||
else
|
||
have_good_snprintf = meson.get_cross_property('have_c99_snprintf', false)
|
||
glib_conf.set('HAVE_C99_SNPRINTF', have_good_snprintf)
|
||
endif
|
||
|
||
printf_unix98_test_code = '''
|
||
#include <stdio.h>
|
||
|
||
int
|
||
main (void)
|
||
{
|
||
char buffer[128];
|
||
|
||
sprintf (buffer, "%2\$d %3\$d %1\$d", 1, 2, 3);
|
||
if (strcmp ("2 3 1", buffer) == 0)
|
||
exit (0);
|
||
exit (1);
|
||
}'''
|
||
|
||
if cc_can_run
|
||
rres = cc.run(printf_unix98_test_code, name : 'Unix98 printf positional parameters')
|
||
if rres.compiled() and rres.returncode() == 0
|
||
glib_conf.set('HAVE_UNIX98_PRINTF', 1)
|
||
have_good_printf = true
|
||
endif
|
||
else
|
||
have_good_printf = meson.get_cross_property('have_unix98_printf', false)
|
||
glib_conf.set('HAVE_UNIX98_PRINTF', have_good_printf)
|
||
endif
|
||
endif
|
||
|
||
if host_system == 'windows'
|
||
glib_conf.set_quoted('EXEEXT', '.exe')
|
||
else
|
||
glib_conf.set('EXEEXT', '')
|
||
endif
|
||
|
||
# Our printf is 'good' only if vsnpintf()/snprintf()/printf() supports C99 well enough
|
||
use_system_printf = have_good_vsnprintf and have_good_snprintf and have_good_printf
|
||
glib_conf.set('USE_SYSTEM_PRINTF', use_system_printf)
|
||
glibconfig_conf.set('GLIB_USING_SYSTEM_PRINTF', use_system_printf)
|
||
|
||
if not use_system_printf
|
||
# gnulib has vasprintf so override the previous check
|
||
glib_conf.set('HAVE_VASPRINTF', 1)
|
||
endif
|
||
|
||
# Check for nl_langinfo and CODESET
|
||
if cc.links('''#include <langinfo.h>
|
||
int main (int argc, char ** argv) {
|
||
char *codeset = nl_langinfo (CODESET);
|
||
return 0;
|
||
}''', name : 'nl_langinfo and CODESET')
|
||
glib_conf.set('HAVE_LANGINFO_CODESET', 1)
|
||
glib_conf.set('HAVE_CODESET', 1)
|
||
endif
|
||
|
||
# Check for nl_langinfo and LC_TIME parts that are needed in gdatetime.c
|
||
if cc.links('''#include <langinfo.h>
|
||
int main (int argc, char ** argv) {
|
||
char *str;
|
||
str = nl_langinfo (PM_STR);
|
||
str = nl_langinfo (D_T_FMT);
|
||
str = nl_langinfo (D_FMT);
|
||
str = nl_langinfo (T_FMT);
|
||
str = nl_langinfo (T_FMT_AMPM);
|
||
str = nl_langinfo (MON_1);
|
||
str = nl_langinfo (ABMON_12);
|
||
str = nl_langinfo (DAY_1);
|
||
str = nl_langinfo (ABDAY_7);
|
||
return 0;
|
||
}''', name : 'nl_langinfo (PM_STR)')
|
||
glib_conf.set('HAVE_LANGINFO_TIME', 1)
|
||
endif
|
||
if cc.links('''#include <langinfo.h>
|
||
int main (int argc, char ** argv) {
|
||
char *str;
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT0_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT1_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT2_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT3_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT4_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT5_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT6_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
|
||
str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
|
||
return 0;
|
||
}''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
|
||
glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
|
||
endif
|
||
|
||
# Check for nl_langinfo and alternative month names
|
||
if cc.links('''#ifndef _GNU_SOURCE
|
||
# define _GNU_SOURCE
|
||
#endif
|
||
#include <langinfo.h>
|
||
int main (int argc, char ** argv) {
|
||
char *str;
|
||
str = nl_langinfo (ALTMON_1);
|
||
str = nl_langinfo (ALTMON_2);
|
||
str = nl_langinfo (ALTMON_3);
|
||
str = nl_langinfo (ALTMON_4);
|
||
str = nl_langinfo (ALTMON_5);
|
||
str = nl_langinfo (ALTMON_6);
|
||
str = nl_langinfo (ALTMON_7);
|
||
str = nl_langinfo (ALTMON_8);
|
||
str = nl_langinfo (ALTMON_9);
|
||
str = nl_langinfo (ALTMON_10);
|
||
str = nl_langinfo (ALTMON_11);
|
||
str = nl_langinfo (ALTMON_12);
|
||
return 0;
|
||
}''', name : 'nl_langinfo (ALTMON_n)')
|
||
glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
|
||
endif
|
||
|
||
# Check for nl_langinfo and abbreviated alternative month names
|
||
if cc.links('''#ifndef _GNU_SOURCE
|
||
# define _GNU_SOURCE
|
||
#endif
|
||
#include <langinfo.h>
|
||
int main (int argc, char ** argv) {
|
||
char *str;
|
||
str = nl_langinfo (_NL_ABALTMON_1);
|
||
str = nl_langinfo (_NL_ABALTMON_2);
|
||
str = nl_langinfo (_NL_ABALTMON_3);
|
||
str = nl_langinfo (_NL_ABALTMON_4);
|
||
str = nl_langinfo (_NL_ABALTMON_5);
|
||
str = nl_langinfo (_NL_ABALTMON_6);
|
||
str = nl_langinfo (_NL_ABALTMON_7);
|
||
str = nl_langinfo (_NL_ABALTMON_8);
|
||
str = nl_langinfo (_NL_ABALTMON_9);
|
||
str = nl_langinfo (_NL_ABALTMON_10);
|
||
str = nl_langinfo (_NL_ABALTMON_11);
|
||
str = nl_langinfo (_NL_ABALTMON_12);
|
||
return 0;
|
||
}''', name : 'nl_langinfo (_NL_ABALTMON_n)')
|
||
glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)
|
||
endif
|
||
|
||
# Check if C compiler supports the 'signed' keyword
|
||
if not cc.compiles('''signed char x;''', name : 'signed')
|
||
glib_conf.set('signed', '/* NOOP */')
|
||
endif
|
||
|
||
# Check if the ptrdiff_t type exists
|
||
if cc.has_header_symbol('stddef.h', 'ptrdiff_t')
|
||
glib_conf.set('HAVE_PTRDIFF_T', 1)
|
||
endif
|
||
|
||
# Check for sig_atomic_t type
|
||
if cc.links('''#include <signal.h>
|
||
#include <sys/types.h>
|
||
sig_atomic_t val = 42;
|
||
int main (int argc, char ** argv) {
|
||
return val == 42 ? 0 : 1;
|
||
}''', name : 'sig_atomic_t')
|
||
glib_conf.set('HAVE_SIG_ATOMIC_T', 1)
|
||
endif
|
||
|
||
# Check if 'long long' works
|
||
# jm_AC_TYPE_LONG_LONG
|
||
if cc.compiles('''long long ll = 1LL;
|
||
int i = 63;
|
||
int some_func (void) {
|
||
long long llmax = (long long) -1;
|
||
return ll << i | ll >> i | llmax / ll | llmax % ll;
|
||
}''', name : 'long long')
|
||
glib_conf.set('HAVE_LONG_LONG', 1)
|
||
have_long_long = true
|
||
else
|
||
have_long_long = false
|
||
endif
|
||
|
||
# Test whether the compiler supports the 'long double' type.
|
||
if cc.compiles('''/* The Stardent Vistra knows sizeof(long double), but does not support it. */
|
||
long double foo = 0.0;
|
||
/* On Ultrix 4.3 cc, long double is 4 and double is 8. */
|
||
int array [2*(sizeof(long double) >= sizeof(double)) - 1];''',
|
||
name : 'long double')
|
||
glib_conf.set('HAVE_LONG_DOUBLE', 1)
|
||
endif
|
||
|
||
# Test whether <stddef.h> has the 'wchar_t' type.
|
||
if cc.has_header_symbol('stddef.h', 'wchar_t')
|
||
glib_conf.set('HAVE_WCHAR_T', 1)
|
||
endif
|
||
|
||
# Test whether <wchar.h> has the 'wint_t' type.
|
||
if cc.has_header_symbol('wchar.h', 'wint_t')
|
||
glib_conf.set('HAVE_WINT_T', 1)
|
||
endif
|
||
|
||
found_uintmax_t = false
|
||
|
||
# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
|
||
# doesn't clash with <sys/types.h>, and declares uintmax_t.
|
||
# jm_AC_HEADER_INTTYPES_H
|
||
if cc.compiles('''#include <sys/types.h>
|
||
#include <inttypes.h>
|
||
void some_func (void) {
|
||
uintmax_t i = (uintmax_t) -1;
|
||
}''', name : 'uintmax_t in inttypes.h')
|
||
glib_conf.set('HAVE_INTTYPES_H_WITH_UINTMAX', 1)
|
||
found_uintmax_t = true
|
||
endif
|
||
|
||
# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
|
||
# doesn't clash with <sys/types.h>, and declares uintmax_t.
|
||
# jm_AC_HEADER_STDINT_H
|
||
if cc.compiles('''#include <sys/types.h>
|
||
#include <stdint.h>
|
||
void some_func (void) {
|
||
uintmax_t i = (uintmax_t) -1;
|
||
}''', name : 'uintmax_t in stdint.h')
|
||
glib_conf.set('HAVE_STDINT_H_WITH_UINTMAX', 1)
|
||
found_uintmax_t = true
|
||
endif
|
||
|
||
# Define intmax_t to 'long' or 'long long'
|
||
# if it is not already defined in <stdint.h> or <inttypes.h>.
|
||
# For simplicity, we assume that a header file defines 'intmax_t' if and
|
||
# only if it defines 'uintmax_t'.
|
||
if found_uintmax_t
|
||
glib_conf.set('HAVE_INTMAX_T', 1)
|
||
elif have_long_long
|
||
glib_conf.set('intmax_t', 'long long')
|
||
else
|
||
glib_conf.set('intmax_t', 'long')
|
||
endif
|
||
|
||
char_size = cc.sizeof('char')
|
||
short_size = cc.sizeof('short')
|
||
int_size = cc.sizeof('int')
|
||
voidp_size = cc.sizeof('void*')
|
||
long_size = cc.sizeof('long')
|
||
if have_long_long
|
||
long_long_size = cc.sizeof('long long')
|
||
else
|
||
long_long_size = 0
|
||
endif
|
||
sizet_size = cc.sizeof('size_t')
|
||
if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
|
||
ssizet_size = cc.sizeof('SSIZE_T', prefix : '#include <BaseTsd.h>')
|
||
else
|
||
ssizet_size = cc.sizeof('ssize_t')
|
||
endif
|
||
|
||
# Some platforms (Apple) hard-code int64_t to long long instead of
|
||
# using long on 64-bit architectures. This can cause type mismatch
|
||
# warnings when trying to interface with code using the standard
|
||
# library type. Test for the warnings and set gint64 to whichever
|
||
# works.
|
||
if long_long_size == long_size
|
||
if cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
|
||
#pragma options langlvl=stdc99
|
||
#endif
|
||
#pragma GCC diagnostic error "-Wincompatible-pointer-types"
|
||
#include <stdint.h>
|
||
#include <stdio.h>
|
||
int main () {
|
||
int64_t i1 = 1;
|
||
long *i2 = &i1;
|
||
return 1;
|
||
}''', name : 'int64_t is long')
|
||
int64_t_typedef = 'long'
|
||
elif cc.compiles('''#if defined(_AIX) && !defined(__GNUC__)
|
||
#pragma options langlvl=stdc99
|
||
#endif
|
||
#pragma GCC diagnostic error "-Wincompatible-pointer-types"
|
||
#include <stdint.h>
|
||
#include <stdio.h>
|
||
int main () {
|
||
int64_t i1 = 1;
|
||
long long *i2 = &i1;
|
||
return 1;
|
||
}''', name : 'int64_t is long long')
|
||
int64_t_typedef = 'long long'
|
||
endif
|
||
endif
|
||
|
||
int64_m = 'll'
|
||
char_align = cc.alignment('char')
|
||
short_align = cc.alignment('short')
|
||
int_align = cc.alignment('int')
|
||
voidp_align = cc.alignment('void*')
|
||
long_align = cc.alignment('long')
|
||
long_long_align = cc.alignment('long long')
|
||
# NOTE: We don't check for size of __int64 because long long is guaranteed to
|
||
# be 64-bit in C99, and it is available on all supported compilers
|
||
sizet_align = cc.alignment('size_t')
|
||
|
||
glib_conf.set('ALIGNOF_UNSIGNED_LONG', long_align)
|
||
|
||
glib_conf.set('SIZEOF_CHAR', char_size)
|
||
glib_conf.set('SIZEOF_INT', int_size)
|
||
glib_conf.set('SIZEOF_SHORT', short_size)
|
||
glib_conf.set('SIZEOF_LONG', long_size)
|
||
glib_conf.set('SIZEOF_LONG_LONG', long_long_size)
|
||
glib_conf.set('SIZEOF_SIZE_T', sizet_size)
|
||
glib_conf.set('SIZEOF_SSIZE_T', ssizet_size)
|
||
glib_conf.set('SIZEOF_VOID_P', voidp_size)
|
||
glib_conf.set('SIZEOF_WCHAR_T', cc.sizeof('wchar_t', prefix: '#include <stddef.h>'))
|
||
|
||
if short_size == 2
|
||
gint16 = 'short'
|
||
gint16_modifier='h'
|
||
gint16_format='hi'
|
||
guint16_format='hu'
|
||
elif int_size == 2
|
||
gint16 = 'int'
|
||
gint16_modifier=''
|
||
gint16_format='i'
|
||
guint16_format='u'
|
||
else
|
||
error('Compiler provides no native 16-bit integer type')
|
||
endif
|
||
glibconfig_conf.set('gint16', gint16)
|
||
glibconfig_conf.set_quoted('gint16_modifier', gint16_modifier)
|
||
glibconfig_conf.set_quoted('gint16_format', gint16_format)
|
||
glibconfig_conf.set_quoted('guint16_format', guint16_format)
|
||
|
||
if short_size == 4
|
||
gint32 = 'short'
|
||
gint32_modifier='h'
|
||
gint32_format='hi'
|
||
guint32_format='hu'
|
||
guint32_align = short_align
|
||
elif int_size == 4
|
||
gint32 = 'int'
|
||
gint32_modifier=''
|
||
gint32_format='i'
|
||
guint32_format='u'
|
||
guint32_align = int_align
|
||
elif long_size == 4
|
||
gint32 = 'long'
|
||
gint32_modifier='l'
|
||
gint32_format='li'
|
||
guint32_format='lu'
|
||
guint32_align = long_align
|
||
else
|
||
error('Compiler provides no native 32-bit integer type')
|
||
endif
|
||
glibconfig_conf.set('gint32', gint32)
|
||
glibconfig_conf.set_quoted('gint32_modifier', gint32_modifier)
|
||
glibconfig_conf.set_quoted('gint32_format', gint32_format)
|
||
glibconfig_conf.set_quoted('guint32_format', guint32_format)
|
||
glib_conf.set('ALIGNOF_GUINT32', guint32_align)
|
||
|
||
if int_size == 8
|
||
gint64 = 'int'
|
||
gint64_modifier=''
|
||
gint64_format='i'
|
||
guint64_format='u'
|
||
glib_extension=''
|
||
gint64_constant='(val)'
|
||
guint64_constant='(val)'
|
||
guint64_align = int_align
|
||
elif long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long')
|
||
gint64 = 'long'
|
||
glib_extension=''
|
||
gint64_modifier='l'
|
||
gint64_format='li'
|
||
guint64_format='lu'
|
||
gint64_constant='(val##L)'
|
||
guint64_constant='(val##UL)'
|
||
guint64_align = long_align
|
||
elif long_long_size == 8 and (long_long_size != long_size or int64_t_typedef == 'long long')
|
||
gint64 = 'long long'
|
||
glib_extension='G_GNUC_EXTENSION '
|
||
gint64_modifier=int64_m
|
||
gint64_format=int64_m + 'i'
|
||
guint64_format=int64_m + 'u'
|
||
gint64_constant='(G_GNUC_EXTENSION (val##LL))'
|
||
guint64_constant='(G_GNUC_EXTENSION (val##ULL))'
|
||
guint64_align = long_long_align
|
||
else
|
||
error('Compiler provides no native 64-bit integer type')
|
||
endif
|
||
glibconfig_conf.set('glib_extension', glib_extension)
|
||
glibconfig_conf.set('gint64', gint64)
|
||
glibconfig_conf.set_quoted('gint64_modifier', gint64_modifier)
|
||
glibconfig_conf.set_quoted('gint64_format', gint64_format)
|
||
glibconfig_conf.set_quoted('guint64_format', guint64_format)
|
||
glibconfig_conf.set('gint64_constant', gint64_constant)
|
||
glibconfig_conf.set('guint64_constant', guint64_constant)
|
||
glib_conf.set('ALIGNOF_GUINT64', guint64_align)
|
||
|
||
if host_system == 'windows'
|
||
glibconfig_conf.set('g_pid_type', 'void*')
|
||
glibconfig_conf.set_quoted('g_pid_format', 'p')
|
||
if host_machine.cpu_family() == 'x86_64'
|
||
glibconfig_conf.set_quoted('g_pollfd_format', '%#' + int64_m + 'x')
|
||
else
|
||
glibconfig_conf.set_quoted('g_pollfd_format', '%#x')
|
||
endif
|
||
glibconfig_conf.set('g_dir_separator', '\\\\')
|
||
glibconfig_conf.set('g_searchpath_separator', ';')
|
||
else
|
||
glibconfig_conf.set('g_pid_type', 'int')
|
||
glibconfig_conf.set_quoted('g_pid_format', 'i')
|
||
glibconfig_conf.set_quoted('g_pollfd_format', '%d')
|
||
glibconfig_conf.set('g_dir_separator', '/')
|
||
glibconfig_conf.set('g_searchpath_separator', ':')
|
||
endif
|
||
|
||
g_sizet_compatibility = {
|
||
'short': sizet_size == short_size,
|
||
'int': sizet_size == int_size,
|
||
'long': sizet_size == long_size,
|
||
'long long': sizet_size == long_long_size,
|
||
}
|
||
|
||
# Do separate checks for gcc/clang (and ignore other compilers for now), since
|
||
# we need to explicitly pass -Werror to the compilers.
|
||
# FIXME: https://github.com/mesonbuild/meson/issues/5399
|
||
# We can’t simplify these checks using a foreach loop because dictionary keys
|
||
# have to be string literals.
|
||
# FIXME: https://github.com/mesonbuild/meson/issues/5231
|
||
if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
|
||
g_sizet_compatibility += {
|
||
'short': g_sizet_compatibility['short'] and cc.compiles(
|
||
'''#include <stddef.h>
|
||
size_t f (size_t *i) { return *i + 1; }
|
||
int main (void) {
|
||
unsigned short i = 0;
|
||
f (&i);
|
||
return 0;
|
||
}''',
|
||
args: ['-Werror'],
|
||
name : 'GCC size_t typedef is short'),
|
||
'int': g_sizet_compatibility['int'] and cc.compiles(
|
||
'''#include <stddef.h>
|
||
size_t f (size_t *i) { return *i + 1; }
|
||
int main (void) {
|
||
unsigned int i = 0;
|
||
f (&i);
|
||
return 0;
|
||
}''',
|
||
args: ['-Werror'],
|
||
name : 'GCC size_t typedef is int'),
|
||
'long': g_sizet_compatibility['long'] and cc.compiles(
|
||
'''#include <stddef.h>
|
||
size_t f (size_t *i) { return *i + 1; }
|
||
int main (void) {
|
||
unsigned long i = 0;
|
||
f (&i);
|
||
return 0;
|
||
}''',
|
||
args: ['-Werror'],
|
||
name : 'GCC size_t typedef is long'),
|
||
'long long': g_sizet_compatibility['long long'] and cc.compiles(
|
||
'''#include <stddef.h>
|
||
size_t f (size_t *i) { return *i + 1; }
|
||
int main (void) {
|
||
unsigned long long i = 0;
|
||
f (&i);
|
||
return 0;
|
||
}''',
|
||
args: ['-Werror'],
|
||
name : 'GCC size_t typedef is long long'),
|
||
}
|
||
endif
|
||
|
||
if g_sizet_compatibility['short']
|
||
glibconfig_conf.set('glib_size_type_define', 'short')
|
||
glibconfig_conf.set_quoted('gsize_modifier', 'h')
|
||
glibconfig_conf.set_quoted('gssize_modifier', 'h')
|
||
glibconfig_conf.set_quoted('gsize_format', 'hu')
|
||
glibconfig_conf.set_quoted('gssize_format', 'hi')
|
||
glibconfig_conf.set('glib_msize_type', 'SHRT')
|
||
elif g_sizet_compatibility['int']
|
||
glibconfig_conf.set('glib_size_type_define', 'int')
|
||
glibconfig_conf.set_quoted('gsize_modifier', '')
|
||
glibconfig_conf.set_quoted('gssize_modifier', '')
|
||
glibconfig_conf.set_quoted('gsize_format', 'u')
|
||
glibconfig_conf.set_quoted('gssize_format', 'i')
|
||
glibconfig_conf.set('glib_msize_type', 'INT')
|
||
elif g_sizet_compatibility['long']
|
||
glibconfig_conf.set('glib_size_type_define', 'long')
|
||
glibconfig_conf.set_quoted('gsize_modifier', 'l')
|
||
glibconfig_conf.set_quoted('gssize_modifier', 'l')
|
||
glibconfig_conf.set_quoted('gsize_format', 'lu')
|
||
glibconfig_conf.set_quoted('gssize_format', 'li')
|
||
glibconfig_conf.set('glib_msize_type', 'LONG')
|
||
elif g_sizet_compatibility['long long']
|
||
glibconfig_conf.set('glib_size_type_define', 'long long')
|
||
glibconfig_conf.set_quoted('gsize_modifier', int64_m)
|
||
glibconfig_conf.set_quoted('gssize_modifier', int64_m)
|
||
glibconfig_conf.set_quoted('gsize_format', int64_m + 'u')
|
||
glibconfig_conf.set_quoted('gssize_format', int64_m + 'i')
|
||
glibconfig_conf.set('glib_msize_type', 'INT64')
|
||
else
|
||
error('Could not determine size of size_t.')
|
||
endif
|
||
|
||
if voidp_size == int_size
|
||
glibconfig_conf.set('glib_intptr_type_define', 'int')
|
||
glibconfig_conf.set_quoted('gintptr_modifier', '')
|
||
glibconfig_conf.set_quoted('gintptr_format', 'i')
|
||
glibconfig_conf.set_quoted('guintptr_format', 'u')
|
||
glibconfig_conf.set('glib_gpi_cast', '(gint)')
|
||
glibconfig_conf.set('glib_gpui_cast', '(guint)')
|
||
elif voidp_size == long_size
|
||
glibconfig_conf.set('glib_intptr_type_define', 'long')
|
||
glibconfig_conf.set_quoted('gintptr_modifier', 'l')
|
||
glibconfig_conf.set_quoted('gintptr_format', 'li')
|
||
glibconfig_conf.set_quoted('guintptr_format', 'lu')
|
||
glibconfig_conf.set('glib_gpi_cast', '(glong)')
|
||
glibconfig_conf.set('glib_gpui_cast', '(gulong)')
|
||
elif voidp_size == long_long_size
|
||
glibconfig_conf.set('glib_intptr_type_define', 'long long')
|
||
glibconfig_conf.set_quoted('gintptr_modifier', int64_m)
|
||
glibconfig_conf.set_quoted('gintptr_format', int64_m + 'i')
|
||
glibconfig_conf.set_quoted('guintptr_format', int64_m + 'u')
|
||
glibconfig_conf.set('glib_gpi_cast', '(gint64)')
|
||
glibconfig_conf.set('glib_gpui_cast', '(guint64)')
|
||
else
|
||
error('Could not determine size of void *')
|
||
endif
|
||
|
||
if long_size != 8 and long_long_size != 8 and int_size != 8
|
||
error('GLib requires a 64-bit type. You might want to consider using the GNU C compiler.')
|
||
endif
|
||
|
||
glibconfig_conf.set('gintbits', int_size * 8)
|
||
glibconfig_conf.set('glongbits', long_size * 8)
|
||
glibconfig_conf.set('gsizebits', sizet_size * 8)
|
||
glibconfig_conf.set('gssizebits', ssizet_size * 8)
|
||
|
||
# XXX: https://gitlab.gnome.org/GNOME/glib/issues/1413
|
||
if host_system == 'windows'
|
||
g_module_suffix = 'dll'
|
||
else
|
||
g_module_suffix = 'so'
|
||
endif
|
||
glibconfig_conf.set('g_module_suffix', g_module_suffix)
|
||
|
||
glibconfig_conf.set('GLIB_MAJOR_VERSION', major_version)
|
||
glibconfig_conf.set('GLIB_MINOR_VERSION', minor_version)
|
||
glibconfig_conf.set('GLIB_MICRO_VERSION', micro_version)
|
||
glibconfig_conf.set('GLIB_VERSION', glib_version)
|
||
|
||
glibconfig_conf.set('glib_void_p', voidp_size)
|
||
glibconfig_conf.set('glib_long', long_size)
|
||
glibconfig_conf.set('glib_size_t', sizet_size)
|
||
glibconfig_conf.set('glib_ssize_t', ssizet_size)
|
||
if host_machine.endian() == 'big'
|
||
glibconfig_conf.set('g_byte_order', 'G_BIG_ENDIAN')
|
||
glibconfig_conf.set('g_bs_native', 'BE')
|
||
glibconfig_conf.set('g_bs_alien', 'LE')
|
||
else
|
||
glibconfig_conf.set('g_byte_order', 'G_LITTLE_ENDIAN')
|
||
glibconfig_conf.set('g_bs_native', 'LE')
|
||
glibconfig_conf.set('g_bs_alien', 'BE')
|
||
endif
|
||
|
||
# === va_copy checks ===
|
||
# we currently check for all three va_copy possibilities, so we get
|
||
# all results in config.log for bug reports.
|
||
|
||
va_copy_func = ''
|
||
foreach try_func : [ '__va_copy', 'va_copy' ]
|
||
if cc.compiles('''#include <stdarg.h>
|
||
#include <stdlib.h>
|
||
#ifdef _MSC_VER
|
||
# include "msvc_recommended_pragmas.h"
|
||
#endif
|
||
void f (int i, ...) {
|
||
va_list args1, args2;
|
||
va_start (args1, i);
|
||
@0@ (args2, args1);
|
||
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
|
||
exit (1);
|
||
va_end (args1); va_end (args2);
|
||
}
|
||
int main() {
|
||
f (0, 42);
|
||
return 0;
|
||
}'''.format(try_func),
|
||
name : try_func + ' check')
|
||
va_copy_func = try_func
|
||
endif
|
||
endforeach
|
||
if va_copy_func != ''
|
||
glib_conf.set('G_VA_COPY', va_copy_func)
|
||
glib_vacopy = '#define G_VA_COPY ' + va_copy_func
|
||
else
|
||
glib_vacopy = '/* #undef G_VA_COPY */'
|
||
endif
|
||
|
||
va_list_val_copy_prog = '''
|
||
#include <stdarg.h>
|
||
#include <stdlib.h>
|
||
void f (int i, ...) {
|
||
va_list args1, args2;
|
||
va_start (args1, i);
|
||
args2 = args1;
|
||
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
|
||
exit (1);
|
||
va_end (args1); va_end (args2);
|
||
}
|
||
int main() {
|
||
f (0, 42);
|
||
return 0;
|
||
}'''
|
||
|
||
if cc_can_run
|
||
rres = cc.run(va_list_val_copy_prog, name : 'va_lists can be copied as values')
|
||
glib_va_val_copy = rres.returncode() == 0
|
||
else
|
||
glib_va_val_copy = meson.get_cross_property('va_val_copy', true)
|
||
endif
|
||
if not glib_va_val_copy
|
||
glib_vacopy = glib_vacopy + '\n#define G_VA_COPY_AS_ARRAY 1'
|
||
glib_conf.set('G_VA_COPY_AS_ARRAY', 1)
|
||
endif
|
||
glibconfig_conf.set('glib_vacopy', glib_vacopy)
|
||
|
||
# check for flavours of varargs macros
|
||
g_have_iso_c_varargs = cc.compiles('''
|
||
void some_func (void) {
|
||
int a(int p1, int p2, int p3);
|
||
#define call_a(...) a(1,__VA_ARGS__)
|
||
call_a(2,3);
|
||
}''', name : 'ISO C99 varargs macros in C')
|
||
|
||
if g_have_iso_c_varargs
|
||
glibconfig_conf.set('g_have_iso_c_varargs', '''
|
||
#ifndef __cplusplus
|
||
# define G_HAVE_ISO_VARARGS 1
|
||
#endif''')
|
||
endif
|
||
|
||
g_have_iso_cxx_varargs = cxx.compiles('''
|
||
void some_func (void) {
|
||
int a(int p1, int p2, int p3);
|
||
#define call_a(...) a(1,__VA_ARGS__)
|
||
call_a(2,3);
|
||
}''', name : 'ISO C99 varargs macros in C++')
|
||
|
||
if g_have_iso_cxx_varargs
|
||
glibconfig_conf.set('g_have_iso_cxx_varargs', '''
|
||
#ifdef __cplusplus
|
||
# define G_HAVE_ISO_VARARGS 1
|
||
#endif''')
|
||
endif
|
||
|
||
g_have_gnuc_varargs = cc.compiles('''
|
||
void some_func (void) {
|
||
int a(int p1, int p2, int p3);
|
||
#define call_a(params...) a(1,params)
|
||
call_a(2,3);
|
||
}''', name : 'GNUC varargs macros')
|
||
|
||
if cc.has_header('alloca.h')
|
||
glibconfig_conf.set('GLIB_HAVE_ALLOCA_H', true)
|
||
endif
|
||
has_syspoll = cc.has_header('sys/poll.h')
|
||
has_systypes = cc.has_header('sys/types.h')
|
||
if has_syspoll
|
||
glibconfig_conf.set('GLIB_HAVE_SYS_POLL_H', true)
|
||
endif
|
||
has_winsock2 = cc.has_header('winsock2.h')
|
||
|
||
if has_syspoll and has_systypes
|
||
poll_includes = '''
|
||
#include<sys/poll.h>
|
||
#include<sys/types.h>'''
|
||
elif has_winsock2
|
||
poll_includes = '''
|
||
#define _WIN32_WINNT @0@
|
||
#include <winsock2.h>'''.format(glib_conf.get('_WIN32_WINNT'))
|
||
else
|
||
# FIXME?
|
||
error('FIX POLL* defines')
|
||
endif
|
||
|
||
poll_defines = [
|
||
[ 'POLLIN', 'g_pollin', 1 ],
|
||
[ 'POLLOUT', 'g_pollout', 4 ],
|
||
[ 'POLLPRI', 'g_pollpri', 2 ],
|
||
[ 'POLLERR', 'g_pollerr', 8 ],
|
||
[ 'POLLHUP', 'g_pollhup', 16 ],
|
||
[ 'POLLNVAL', 'g_pollnval', 32 ],
|
||
]
|
||
|
||
if has_syspoll and has_systypes
|
||
foreach d : poll_defines
|
||
val = cc.compute_int(d[0], prefix: poll_includes)
|
||
glibconfig_conf.set(d[1], val)
|
||
endforeach
|
||
elif has_winsock2
|
||
# Due to a missed bug in configure.ac the poll test
|
||
# never succeeded on Windows and used some pre-defined
|
||
# values as a fallback. Keep using them to maintain
|
||
# ABI compatibility with autotools builds of glibs
|
||
# and with *any* glib-using code compiled against them,
|
||
# since these values end up in a public header glibconfig.h.
|
||
foreach d : poll_defines
|
||
glibconfig_conf.set(d[1], d[2])
|
||
endforeach
|
||
endif
|
||
|
||
# Internet address families
|
||
# FIXME: what about Cygwin (G_WITH_CYGWIN)
|
||
if host_system == 'windows'
|
||
inet_includes = '''
|
||
#include <winsock2.h>'''
|
||
else
|
||
inet_includes = '''
|
||
#include <sys/types.h>
|
||
#include <sys/socket.h>'''
|
||
endif
|
||
|
||
inet_defines = [
|
||
[ 'AF_UNIX', 'g_af_unix' ],
|
||
[ 'AF_INET', 'g_af_inet' ],
|
||
[ 'AF_INET6', 'g_af_inet6' ],
|
||
[ 'MSG_OOB', 'g_msg_oob' ],
|
||
[ 'MSG_PEEK', 'g_msg_peek' ],
|
||
[ 'MSG_DONTROUTE', 'g_msg_dontroute' ],
|
||
]
|
||
foreach d : inet_defines
|
||
val = cc.compute_int(d[0], prefix: inet_includes)
|
||
glibconfig_conf.set(d[1], val)
|
||
endforeach
|
||
|
||
# We need a more robust approach here...
|
||
host_cpu_family = host_machine.cpu_family()
|
||
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 == 'aarch64' or host_cpu_family.startswith('crisv32') or host_cpu_family.startswith('etrax')
|
||
glib_memory_barrier_needed = false
|
||
elif host_cpu_family.startswith('sparc') or host_cpu_family.startswith('alpha') or host_cpu_family.startswith('powerpc') or host_cpu_family == 'ia64'
|
||
glib_memory_barrier_needed = true
|
||
else
|
||
warning('Unknown host cpu: ' + host_cpu_family)
|
||
glib_memory_barrier_needed = true
|
||
endif
|
||
glibconfig_conf.set('G_ATOMIC_OP_MEMORY_BARRIER_NEEDED', glib_memory_barrier_needed)
|
||
|
||
# We need to decide at configure time if GLib will use real atomic
|
||
# operations ("lock free") or emulated ones with a mutex. This is
|
||
# because we must put this information in glibconfig.h so we know if
|
||
# it is safe or not to inline using compiler intrinsics directly from
|
||
# the header.
|
||
#
|
||
# We also publish the information via G_ATOMIC_LOCK_FREE in case the
|
||
# user is interested in knowing if they can use the atomic ops across
|
||
# processes.
|
||
#
|
||
# We can currently support the atomic ops natively when building GLib
|
||
# with recent versions of GCC or MSVC.
|
||
#
|
||
# Note that the atomic ops are only available with GCC on x86 when
|
||
# using -march=i486 or higher. If we detect that the atomic ops are
|
||
# not available but would be available given the right flags, we want
|
||
# to abort and advise the user to fix their CFLAGS. It's better to do
|
||
# that then to silently fall back on emulated atomic ops just because
|
||
# the user had the wrong build environment.
|
||
atomictest = '''int main() {
|
||
volatile int atomic = 2;
|
||
__sync_bool_compare_and_swap (&atomic, 2, 3);
|
||
return 0;
|
||
}
|
||
'''
|
||
|
||
atomicdefine = '''
|
||
#ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
|
||
#error "compiler has atomic ops, but doesn't define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"
|
||
#endif
|
||
'''
|
||
|
||
# We know that we can always use real ("lock free") atomic operations with MSVC
|
||
if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl' or cc.links(atomictest, name : 'atomic ops')
|
||
have_atomic_lock_free = true
|
||
if cc.get_id() == 'gcc' and not cc.compiles(atomicdefine, name : 'atomic ops define')
|
||
# Old gcc release may provide
|
||
# __sync_bool_compare_and_swap but doesn't define
|
||
# __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
|
||
glib_conf.set('__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4', true)
|
||
endif
|
||
else
|
||
have_atomic_lock_free = false
|
||
if host_machine.cpu_family() == 'x86' and cc.links(atomictest, args : '-march=i486')
|
||
error('GLib must be built with -march=i486 or later.')
|
||
endif
|
||
endif
|
||
glibconfig_conf.set('G_ATOMIC_LOCK_FREE', have_atomic_lock_free)
|
||
|
||
# === Threads ===
|
||
|
||
# Determination of thread implementation
|
||
if host_system == 'windows' and not get_option('force_posix_threads')
|
||
thread_dep = []
|
||
threads_implementation = 'win32'
|
||
glibconfig_conf.set('g_threads_impl_def', 'WIN32')
|
||
glib_conf.set('THREADS_WIN32', 1)
|
||
else
|
||
thread_dep = dependency('threads')
|
||
threads_implementation = 'posix'
|
||
pthread_prefix = '''
|
||
#ifndef _GNU_SOURCE
|
||
# define _GNU_SOURCE
|
||
#endif
|
||
#include <pthread.h>'''
|
||
glibconfig_conf.set('g_threads_impl_def', 'POSIX')
|
||
glib_conf.set('THREADS_POSIX', 1)
|
||
if cc.has_header_symbol('pthread.h', 'pthread_attr_setstacksize')
|
||
glib_conf.set('HAVE_PTHREAD_ATTR_SETSTACKSIZE', 1)
|
||
endif
|
||
if cc.has_header_symbol('pthread.h', 'pthread_attr_setinheritsched')
|
||
glib_conf.set('HAVE_PTHREAD_ATTR_SETINHERITSCHED', 1)
|
||
endif
|
||
if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
|
||
glib_conf.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
|
||
endif
|
||
if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
|
||
glib_conf.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
|
||
endif
|
||
if cc.has_header_symbol('pthread.h', 'pthread_getname_np', prefix : pthread_prefix)
|
||
glib_conf.set('HAVE_PTHREAD_GETNAME_NP', 1)
|
||
endif
|
||
|
||
if cc.has_header_symbol('sys/syscall.h', 'SYS_sched_getattr')
|
||
glib_conf.set('HAVE_SYS_SCHED_GETATTR', 1)
|
||
endif
|
||
|
||
# Assume that pthread_setname_np is available in some form; same as configure
|
||
if cc.links(pthread_prefix + '''
|
||
int main() {
|
||
pthread_setname_np("example");
|
||
return 0;
|
||
}''',
|
||
name : 'pthread_setname_np(const char*)',
|
||
dependencies : thread_dep)
|
||
# macOS and iOS
|
||
glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
|
||
elif cc.links(pthread_prefix + '''
|
||
int main() {
|
||
pthread_setname_np(pthread_self(), "example");
|
||
return 0;
|
||
}''',
|
||
name : 'pthread_setname_np(pthread_t, const char*)',
|
||
dependencies : thread_dep)
|
||
# Linux, Solaris, etc.
|
||
glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID', 1)
|
||
elif cc.links(pthread_prefix + '''
|
||
int main() {
|
||
pthread_setname_np(pthread_self(), "%s", "example");
|
||
return 0;
|
||
}''',
|
||
name : 'pthread_setname_np(pthread_t, const char*, void*)',
|
||
dependencies : thread_dep)
|
||
# NetBSD
|
||
glib_conf.set('HAVE_PTHREAD_SETNAME_NP_WITH_TID_AND_ARG', 1)
|
||
elif cc.links(pthread_prefix + '''
|
||
#include <pthread_np.h>
|
||
int main() {
|
||
pthread_set_name_np(pthread_self(), "example");
|
||
return 0;
|
||
}''',
|
||
name : 'pthread_set_name_np(pthread_t, const char*)',
|
||
dependencies : thread_dep)
|
||
# FreeBSD, DragonFlyBSD, OpenBSD, etc.
|
||
glib_conf.set('HAVE_PTHREAD_SET_NAME_NP', 1)
|
||
endif
|
||
endif
|
||
|
||
# FIXME: we should make it print the result and always return 0, so that
|
||
# the output in meson shows up as green
|
||
stack_grows_check_prog = '''
|
||
volatile int *a = 0, *b = 0;
|
||
void f (int i) {
|
||
volatile int x = 5;
|
||
if (i == 0)
|
||
b = &x;
|
||
else
|
||
f (i - 1);
|
||
}
|
||
int main () {
|
||
volatile int y = 7;
|
||
a = &y;
|
||
f (100);
|
||
return b > a ? 0 : 1;
|
||
}'''
|
||
|
||
if cc_can_run
|
||
rres = cc.run(stack_grows_check_prog, name : 'stack grows check')
|
||
growing_stack = rres.returncode() == 0
|
||
else
|
||
growing_stack = meson.get_cross_property('growing_stack', false)
|
||
endif
|
||
|
||
glibconfig_conf.set10('G_HAVE_GROWING_STACK', growing_stack)
|
||
|
||
# Tests for iconv
|
||
#
|
||
# We should never use the MinGW C library's iconv because it may not be
|
||
# available in the actual runtime environment. On Windows, we always use
|
||
# the built-in implementation
|
||
iconv_opt = get_option('iconv')
|
||
if host_system == 'windows'
|
||
libiconv = []
|
||
# We have a #include "win_iconv.c" in gconvert.c on Windows, so we don't need
|
||
# any external library for it
|
||
if iconv_opt != 'auto'
|
||
warning('-Diconv was set to @0@, which was ignored')
|
||
endif
|
||
else
|
||
found_iconv = false
|
||
if ['auto', 'libc'].contains(iconv_opt) and cc.has_function('iconv_open')
|
||
libiconv = []
|
||
found_iconv = true
|
||
endif
|
||
if not found_iconv and ['auto', 'external'].contains(iconv_opt) and cc.has_header_symbol('iconv.h', 'iconv_open')
|
||
libiconv = [cc.find_library('iconv')]
|
||
found_iconv = true
|
||
endif
|
||
|
||
if not found_iconv
|
||
error('iconv implementation "@0@" not found'.format(iconv_opt))
|
||
endif
|
||
endif
|
||
|
||
if get_option('internal_pcre')
|
||
pcre = []
|
||
use_system_pcre = false
|
||
else
|
||
pcre = dependency('libpcre', version: '>= 8.31', required : false) # Should check for Unicode support, too. FIXME
|
||
if not pcre.found()
|
||
if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
|
||
# MSVC: Search for the PCRE library by the configuration, which corresponds
|
||
# to the output of CMake builds of PCRE. Note that debugoptimized
|
||
# is really a Release build with .PDB files.
|
||
if buildtype == 'debug'
|
||
pcre = cc.find_library('pcred', required : false)
|
||
else
|
||
pcre = cc.find_library('pcre', required : false)
|
||
endif
|
||
endif
|
||
endif
|
||
use_system_pcre = pcre.found()
|
||
endif
|
||
glib_conf.set('USE_SYSTEM_PCRE', use_system_pcre)
|
||
|
||
use_pcre_static_flag = false
|
||
|
||
if host_system == 'windows'
|
||
if not use_system_pcre
|
||
use_pcre_static_flag = true
|
||
else
|
||
pcre_static = cc.links('''#define PCRE_STATIC
|
||
#include <pcre.h>
|
||
int main() {
|
||
void *p = NULL;
|
||
pcre_free(p);
|
||
return 0;
|
||
}''',
|
||
dependencies: pcre,
|
||
name : 'Windows system PCRE is a static build')
|
||
if pcre_static
|
||
use_pcre_static_flag = true
|
||
endif
|
||
endif
|
||
endif
|
||
|
||
libm = cc.find_library('m', required : false)
|
||
libffi_dep = dependency('libffi', version : '>= 3.0.0', fallback : ['libffi', 'ffi_dep'])
|
||
|
||
# Don't use the bundled ZLib sources until we are sure that we can't find it on
|
||
# the system
|
||
libz_dep = dependency('zlib', required : false)
|
||
if not libz_dep.found()
|
||
if cc.get_id() != 'msvc' and cc.get_id() != 'clang-cl'
|
||
libz_dep = cc.find_library('z', required : false)
|
||
else
|
||
libz_dep = cc.find_library('zlib1', required : false)
|
||
if not libz_dep.found()
|
||
libz_dep = cc.find_library('zlib', required : false)
|
||
endif
|
||
endif
|
||
if not libz_dep.found() or not cc.has_header('zlib.h')
|
||
libz_dep = subproject('zlib').get_variable('zlib_dep')
|
||
endif
|
||
endif
|
||
|
||
# First check in libc, fallback to libintl, and as last chance build
|
||
# proxy-libintl subproject.
|
||
# FIXME: glib-gettext.m4 has much more checks to detect broken/uncompatible
|
||
# implementations. This could be extended if issues are found in some platforms.
|
||
if cc.has_function('ngettext')
|
||
libintl = []
|
||
have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset')
|
||
else
|
||
libintl = cc.find_library('intl', required : false)
|
||
if not libintl.found()
|
||
libintl = subproject('proxy-libintl').get_variable('intl_dep')
|
||
have_bind_textdomain_codeset = true # proxy-libintl supports it
|
||
else
|
||
have_bind_textdomain_codeset = cc.has_function('bind_textdomain_codeset',
|
||
dependencies : libintl)
|
||
endif
|
||
endif
|
||
|
||
glib_conf.set('HAVE_BIND_TEXTDOMAIN_CODESET', have_bind_textdomain_codeset)
|
||
|
||
# We require gettext to always be present
|
||
glib_conf.set('HAVE_DCGETTEXT', 1)
|
||
glib_conf.set('HAVE_GETTEXT', 1)
|
||
|
||
glib_conf.set_quoted('GLIB_LOCALE_DIR', join_paths(glib_datadir, 'locale'))
|
||
|
||
# libmount is only used by gio, but we need to fetch the libs to generate the
|
||
# pkg-config file below
|
||
libmount_dep = []
|
||
if host_system == 'linux'
|
||
libmount_dep = dependency('mount', version : '>=2.23', required : get_option('libmount'))
|
||
glib_conf.set('HAVE_LIBMOUNT', libmount_dep.found())
|
||
endif
|
||
|
||
if host_system == 'windows'
|
||
winsock2 = cc.find_library('ws2_32')
|
||
endif
|
||
|
||
selinux_dep = []
|
||
if host_system == 'linux'
|
||
selinux_dep = dependency('libselinux', required: get_option('selinux'))
|
||
|
||
glib_conf.set('HAVE_SELINUX', selinux_dep.found())
|
||
endif
|
||
|
||
xattr_dep = []
|
||
if host_system != 'windows' and get_option('xattr')
|
||
# either glibc or libattr can provide xattr support
|
||
# for both of them, we check for getxattr being in
|
||
# the library and a valid xattr header.
|
||
|
||
# try glibc
|
||
if cc.has_function('getxattr') and cc.has_header('sys/xattr.h')
|
||
glib_conf.set('HAVE_SYS_XATTR_H', 1)
|
||
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_SYS_XATTR_H')
|
||
#failure. try libattr
|
||
elif cc.has_header_symbol('attr/xattr.h', 'getxattr')
|
||
glib_conf.set('HAVE_ATTR_XATTR_H', 1)
|
||
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format('HAVE_ATTR_XATTR_H')
|
||
xattr_dep = [cc.find_library('xattr')]
|
||
else
|
||
error('No getxattr implementation found in C library or libxattr')
|
||
endif
|
||
|
||
glib_conf.set('HAVE_XATTR', 1)
|
||
if cc.compiles(glib_conf_prefix + '''
|
||
#include <stdio.h>
|
||
#ifdef HAVE_SYS_TYPES_H
|
||
#include <sys/types.h>
|
||
#endif
|
||
#ifdef HAVE_SYS_XATTR_H
|
||
#include <sys/xattr.h>
|
||
#elif HAVE_ATTR_XATTR_H
|
||
#include <attr/xattr.h>
|
||
#endif
|
||
|
||
int main (void) {
|
||
ssize_t len = getxattr("", "", NULL, 0, 0, XATTR_NOFOLLOW);
|
||
return len;
|
||
}''',
|
||
name : 'XATTR_NOFOLLOW')
|
||
glib_conf.set('HAVE_XATTR_NOFOLLOW', 1)
|
||
endif
|
||
endif
|
||
|
||
# If strlcpy is present (BSD and similar), check that it conforms to the BSD
|
||
# specification. Specifically Solaris 8's strlcpy() does not, see
|
||
# https://bugzilla.gnome.org/show_bug.cgi?id=53933 for further context.
|
||
if cc.has_function('strlcpy')
|
||
if cc_can_run
|
||
rres = cc.run('''#include <stdlib.h>
|
||
#include <string.h>
|
||
int main() {
|
||
char p[10];
|
||
(void) strlcpy (p, "hi", 10);
|
||
if (strlcat (p, "bye", 0) != 3)
|
||
return 1;
|
||
return 0;
|
||
}''',
|
||
name : 'OpenBSD strlcpy/strlcat')
|
||
if rres.compiled() and rres.returncode() == 0
|
||
glib_conf.set('HAVE_STRLCPY', 1)
|
||
endif
|
||
elif meson.get_cross_property('have_strlcpy', false)
|
||
glib_conf.set('HAVE_STRLCPY', 1)
|
||
endif
|
||
endif
|
||
|
||
cmdline_test_code = '''
|
||
#include <fcntl.h>
|
||
#include <sys/stat.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
|
||
static int
|
||
__getcmdline (void)
|
||
{
|
||
/* This code is a dumbed-down version of g_file_get_contents() */
|
||
#ifndef O_BINARY
|
||
#define O_BINARY 0
|
||
#endif
|
||
#define BUFSIZE 1024
|
||
char result[BUFSIZE];
|
||
struct stat stat_buf;
|
||
|
||
int fd = open ("/proc/self/cmdline", O_RDONLY|O_BINARY);
|
||
if (fd < 0)
|
||
exit (1);
|
||
if (fstat (fd, &stat_buf))
|
||
exit (1);
|
||
|
||
if (stat_buf.st_size > 0 && S_ISREG (stat_buf.st_mode))
|
||
{
|
||
if (read (fd, result, BUFSIZE) <= 0)
|
||
exit (1);
|
||
}
|
||
else
|
||
{
|
||
FILE *f = fdopen (fd, "r");
|
||
if (f == NULL)
|
||
exit (1);
|
||
|
||
if (fread (result, 1, BUFSIZE, f) <= 0)
|
||
exit (1);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
int
|
||
main (void)
|
||
{
|
||
exit (__getcmdline ());
|
||
}'''
|
||
|
||
if cc_can_run
|
||
rres = cc.run(cmdline_test_code, name : '/proc/self/cmdline')
|
||
have_proc_self_cmdline = rres.compiled() and rres.returncode() == 0
|
||
else
|
||
have_proc_self_cmdline = meson.get_cross_property('have_proc_self_cmdline', false)
|
||
endif
|
||
|
||
glib_conf.set('HAVE_PROC_SELF_CMDLINE', have_proc_self_cmdline)
|
||
|
||
python = import('python').find_installation('python3')
|
||
# used for '#!/usr/bin/env <name>'
|
||
python_name = 'python3'
|
||
|
||
python_version = python.language_version()
|
||
python_version_req = '>=3.5'
|
||
if not python_version.version_compare(python_version_req)
|
||
error('Requires Python @0@, @1@ found.'.format(python_version_req, python_version))
|
||
endif
|
||
|
||
# Determine which user environment-dependent files that we want to install
|
||
have_bash = find_program('bash', required : false).found() # For completion scripts
|
||
have_sh = find_program('sh', required : false).found() # For glib-gettextize
|
||
|
||
# Some installed tests require a custom environment
|
||
env_program = find_program('env', required: installed_tests_enabled)
|
||
|
||
# FIXME: How to detect Solaris? https://github.com/mesonbuild/meson/issues/1578
|
||
if host_system == 'sunos'
|
||
glib_conf.set('_XOPEN_SOURCE_EXTENDED', 1)
|
||
glib_conf.set('_XOPEN_SOURCE', 2)
|
||
glib_conf.set('__EXTENSIONS__',1)
|
||
endif
|
||
|
||
# Sadly Meson does not expose this value:
|
||
# https://github.com/mesonbuild/meson/pull/3460
|
||
if host_system == 'windows'
|
||
# Autotools explicitly removed --Wl,--export-all-symbols from windows builds,
|
||
# with no explanation. Do the same here for now but this could be revisited if
|
||
# if causes issues.
|
||
export_dynamic_ldflags = []
|
||
elif host_system == 'cygwin'
|
||
export_dynamic_ldflags = ['-Wl,--export-all-symbols']
|
||
elif host_system == 'darwin'
|
||
export_dynamic_ldflags = []
|
||
elif host_system == 'sunos'
|
||
export_dynamic_ldflags = []
|
||
else
|
||
export_dynamic_ldflags = ['-Wl,--export-dynamic']
|
||
endif
|
||
|
||
win32_cflags = []
|
||
win32_ldflags = []
|
||
if host_system == 'windows' and cc.get_id() != 'msvc' and cc.get_id() != 'clang-cl'
|
||
# Ensure MSVC-compatible struct packing convention is used when
|
||
# compiling for Win32 with gcc. It is used for the whole project and exposed
|
||
# in glib-2.0.pc.
|
||
win32_cflags = ['-mms-bitfields']
|
||
add_project_arguments(win32_cflags, language : 'c')
|
||
|
||
# Win32 API libs, used only by libglib and exposed in glib-2.0.pc
|
||
win32_ldflags = ['-lws2_32', '-lole32', '-lwinmm', '-lshlwapi']
|
||
elif host_system == 'cygwin'
|
||
win32_ldflags = ['-luser32', '-lkernel32']
|
||
endif
|
||
|
||
# Tracing: dtrace
|
||
want_dtrace = get_option('dtrace')
|
||
enable_dtrace = false
|
||
|
||
# Since dtrace support is opt-in we just error out if it was requested but
|
||
# is not available. We don't bother with autodetection yet.
|
||
if want_dtrace
|
||
if glib_have_carbon
|
||
error('GLib dtrace support not yet compatible with macOS dtrace')
|
||
endif
|
||
dtrace = find_program('dtrace', required : true) # error out if not found
|
||
if not cc.has_header('sys/sdt.h')
|
||
error('dtrace support needs sys/sdt.h header')
|
||
endif
|
||
# FIXME: autotools build also passes -fPIC -DPIC but is it needed in this case?
|
||
dtrace_obj_gen = generator(dtrace,
|
||
output : '@BASENAME@.o',
|
||
arguments : ['-G', '-s', '@INPUT@', '-o', '@OUTPUT@'])
|
||
# FIXME: $(SED) -e "s,define STAP_HAS_SEMAPHORES 1,undef STAP_HAS_SEMAPHORES,"
|
||
# -e "s,define _SDT_HAS_SEMAPHORES 1,undef _SDT_HAS_SEMAPHORES,"
|
||
dtrace_hdr_gen = generator(dtrace,
|
||
output : '@BASENAME@.h',
|
||
arguments : ['-h', '-s', '@INPUT@', '-o', '@OUTPUT@'])
|
||
glib_conf.set('HAVE_DTRACE', 1)
|
||
enable_dtrace = true
|
||
endif
|
||
|
||
# systemtap
|
||
want_systemtap = get_option('systemtap')
|
||
enable_systemtap = false
|
||
|
||
if want_systemtap and enable_dtrace
|
||
tapset_install_dir = get_option('tapset_install_dir')
|
||
if tapset_install_dir == ''
|
||
tapset_install_dir = join_paths(get_option('datadir'), 'systemtap/tapset', host_machine.cpu_family())
|
||
endif
|
||
stp_cdata = configuration_data()
|
||
stp_cdata.set('ABS_GLIB_RUNTIME_LIBDIR', glib_libdir)
|
||
stp_cdata.set('LT_CURRENT', minor_version * 100)
|
||
stp_cdata.set('LT_REVISION', micro_version)
|
||
enable_systemtap = true
|
||
endif
|
||
|
||
test_timeout = 60
|
||
test_timeout_slow = 180
|
||
|
||
pkg = import('pkgconfig')
|
||
windows = import('windows')
|
||
subdir('glib')
|
||
subdir('gobject')
|
||
subdir('gthread')
|
||
subdir('gmodule')
|
||
subdir('gio')
|
||
subdir('fuzzing')
|
||
if build_tests
|
||
subdir('tests')
|
||
endif
|
||
|
||
# xgettext is optional (on Windows for instance)
|
||
if find_program('xgettext', required : get_option('nls')).found()
|
||
subdir('po')
|
||
endif
|
||
|
||
# Install glib-gettextize executable, if a UNIX-style shell is found
|
||
if have_sh
|
||
# These should not contain " quotes around the values
|
||
gettextize_conf = configuration_data()
|
||
gettextize_conf.set('PACKAGE', 'glib')
|
||
gettextize_conf.set('VERSION', meson.project_version())
|
||
gettextize_conf.set('prefix', glib_prefix)
|
||
gettextize_conf.set('datarootdir', glib_datadir)
|
||
gettextize_conf.set('datadir', glib_datadir)
|
||
configure_file(input : 'glib-gettextize.in',
|
||
install_dir : glib_bindir,
|
||
output : 'glib-gettextize',
|
||
configuration : gettextize_conf)
|
||
endif
|
||
|
||
# Install m4 macros that other projects use
|
||
install_data('m4macros/glib-2.0.m4', 'm4macros/glib-gettext.m4', 'm4macros/gsettings.m4',
|
||
install_dir : join_paths(get_option('datadir'), 'aclocal'))
|
||
|
||
if host_system != 'windows'
|
||
# Install Valgrind suppression file (except on Windows,
|
||
# as Valgrind is currently not supported on Windows)
|
||
install_data('glib.supp',
|
||
install_dir : join_paths(get_option('datadir'), 'glib-2.0', 'valgrind'))
|
||
endif
|
||
|
||
configure_file(output : 'config.h', configuration : glib_conf)
|
||
|
||
if host_system == 'windows'
|
||
install_headers([ 'msvc_recommended_pragmas.h' ], subdir : 'glib-2.0')
|
||
endif
|
||
|
||
if get_option('man')
|
||
xsltproc = find_program('xsltproc', required : true)
|
||
xsltproc_command = [
|
||
xsltproc,
|
||
'--nonet',
|
||
'--stringparam', 'man.output.quietly', '1',
|
||
'--stringparam', 'funcsynopsis.style', 'ansi',
|
||
'--stringparam', 'man.th.extra1.suppress', '1',
|
||
'--stringparam', 'man.authors.section.enabled', '0',
|
||
'--stringparam', 'man.copyright.section.enabled', '0',
|
||
'-o', '@OUTPUT@',
|
||
'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
|
||
'@INPUT@',
|
||
]
|
||
man1_dir = join_paths(glib_prefix, get_option('mandir'), 'man1')
|
||
endif
|
||
|
||
gnome = import('gnome')
|
||
subdir('docs/reference')
|