project('gstreamer', 'c', version : '1.21.0.1', meson_version : '>= 0.60', default_options : [ 'warning_level=1', 'buildtype=debugoptimized' ]) gst_version = meson.project_version() version_arr = gst_version.split('.') gst_version_major = version_arr[0].to_int() gst_version_minor = version_arr[1].to_int() gst_version_micro = version_arr[2].to_int() if version_arr.length() == 4 gst_version_nano = version_arr[3].to_int() else gst_version_nano = 0 endif gst_version_is_dev = gst_version_minor % 2 == 1 and gst_version_micro < 90 host_system = host_machine.system() apiversion = '1.0' soversion = 0 # maintaining compatibility with the previous libtool versioning # current = minor * 100 + micro curversion = gst_version_minor * 100 + gst_version_micro libversion = '@0@.@1@.0'.format(soversion, curversion) osxversion = curversion + 1 prefix = get_option('prefix') datadir = join_paths(prefix, get_option('datadir')) libexecdir = get_option('libexecdir') helpers_install_dir = join_paths(libexecdir, 'gstreamer-1.0') cc = meson.get_compiler('c') cdata = configuration_data() if cc.get_id() == 'msvc' msvc_args = [ # Ignore several spurious warnings for things gstreamer does very commonly # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once # NOTE: Only add warnings here if you are sure they're spurious '/wd4018', # implicit signed/unsigned conversion '/wd4146', # unary minus on unsigned (beware INT_MIN) '/wd4244', # lossy type conversion (e.g. double -> int) '/wd4305', # truncating type conversion (e.g. double -> float) cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8 ] if gst_version_is_dev # Enable some warnings on MSVC to match GCC/Clang behaviour msvc_args += cc.get_supported_arguments([ '/we4002', # too many actual parameters for macro 'identifier' '/we4003', # not enough actual parameters for macro 'identifier' '/we4013', # 'function' undefined; assuming extern returning int '/we4020', # 'function' : too many actual parameters '/we4027', # function declared without formal parameter list '/we4029', # declared formal parameter list different from definition '/we4033', # 'function' must return a value '/we4045', # 'array' : array bounds overflow '/we4047', # 'operator' : 'identifier1' differs in levels of indirection from 'identifier2' '/we4053', # one void operand for '?:' '/we4062', # enumerator 'identifier' in switch of enum 'enumeration' is not handled '/we4098', # 'function' : void function returning a value '/we4101', # 'identifier' : unreferenced local variable '/we4189', # 'identifier' : local variable is initialized but not referenced ]) endif add_project_arguments(msvc_args, language: 'c') elif cc.has_link_argument('-Wl,-Bsymbolic-functions') # FIXME: Add an option for this if people ask for it add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c') endif # glib doesn't support unloading, which means that unloading and reloading # any library that registers static types will fail if cc.has_link_argument('-Wl,-z,nodelete') add_project_link_arguments('-Wl,-z,nodelete', language: 'c') endif # Symbol visibility have_visibility_hidden = false if cc.get_id() == 'msvc' export_define = '__declspec(dllexport) extern' elif cc.has_argument('-fvisibility=hidden') add_project_arguments('-fvisibility=hidden', language: 'c') export_define = 'extern __attribute__ ((visibility ("default")))' have_visibility_hidden = true else export_define = 'extern' endif # Passing this through the command line would be too messy cdata.set('GST_API_EXPORT', export_define) # Disable strict aliasing if cc.has_argument('-fno-strict-aliasing') add_project_arguments('-fno-strict-aliasing', language: 'c') endif # Define G_DISABLE_DEPRECATED for development versions if gst_version_is_dev message('Disabling deprecated GLib API') add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c') endif cast_checks = get_option('gobject-cast-checks') if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev) message('Disabling GLib cast checks') add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c') endif glib_asserts = get_option('glib-asserts') if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev) message('Disabling GLib asserts') add_project_arguments('-DG_DISABLE_ASSERT', language: 'c') endif glib_checks = get_option('glib-checks') if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev) message('Disabling GLib checks') add_project_arguments('-DG_DISABLE_CHECKS', language: 'c') endif cdata.set_quoted('GST_API_VERSION', apiversion) cdata.set_quoted('GST_DATADIR', datadir) cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir'))) cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir'))) cdata.set_quoted('GST_API_VERSION', '1.0') cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0') cdata.set_quoted('GST_LICENSE', 'LGPL') cdata.set_quoted('PACKAGE', 'gstreamer') cdata.set_quoted('PACKAGE_NAME', 'GStreamer') cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version)) cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer') cdata.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.freedesktop.org/gstreamer/gstreamer/issues/new') cdata.set_quoted('PACKAGE_URL', '') cdata.set_quoted('PACKAGE_VERSION', gst_version) cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0')) cdata.set_quoted('VERSION', gst_version) cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner')) cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper')) cdata.set_quoted('GST_PLUGIN_SUBDIR', get_option('libdir'), description: 'plugin directory path component, used to find plugins on relocatable builds') cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir, description: 'libexecdir path component, used to find plugin-scanner on relocatable builds') cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing')) mem_align_opt = get_option('memory-alignment') if mem_align_opt == 'malloc' cdata.set('MEMORY_ALIGNMENT_MALLOC', 1) elif mem_align_opt == 'pagesize' cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1) else cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int()) endif if ['darwin', 'ios'].contains(host_system) cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib') endif if gst_version_nano > 0 # Have GST_ERROR message printed when running from git cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR') else cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE') endif # GStreamer package name and origin url gst_package_name = get_option('package-name') if gst_package_name == '' if gst_version_nano == 0 gst_package_name = 'GStreamer source release' elif gst_version_nano == 1 gst_package_name = 'GStreamer git' else gst_package_name = 'GStreamer prerelease' endif endif cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name) cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin')) # These are only needed/used by the ABI tests host_defines = [ [ 'x86', 'HAVE_CPU_I386' ], [ 'x86_64', 'HAVE_CPU_X86_64' ], [ 'arm', 'HAVE_CPU_ARM' ], [ 'aarch64', 'HAVE_CPU_AARCH64' ], [ 'mips', 'HAVE_CPU_MIPS' ], [ 'powerpc', 'HAVE_CPU_PPC' ], [ 'powerpc64', 'HAVE_CPU_PPC64' ], [ 'alpha', 'HAVE_CPU_ALPHA' ], [ 'sparc', 'HAVE_CPU_SPARC' ], [ 'ia64', 'HAVE_CPU_IA64' ], [ 'hppa', 'HAVE_CPU_HPPA' ], [ 'm68k', 'HAVE_CPU_M68K' ], [ 's390', 'HAVE_CPU_S390' ], ] foreach h : host_defines if h.get(0) == host_machine.cpu_family() cdata.set(h.get(1), 1) endif endforeach # FIXME: should really be called HOST_CPU or such cdata.set_quoted('TARGET_CPU', host_machine.cpu()) check_headers = [ 'dlfcn.h', 'inttypes.h', 'memory.h', 'poll.h', 'stdint.h', 'stdio_ext.h', 'strings.h', 'string.h', 'sys/param.h', 'sys/poll.h', 'sys/prctl.h', 'sys/socket.h', 'sys/stat.h', 'sys/times.h', 'sys/time.h', 'sys/types.h', 'sys/utsname.h', 'sys/wait.h', 'ucontext.h', 'unistd.h', 'sys/resource.h', 'sys/uio.h', ] if host_system == 'windows' check_headers += ['winsock2.h'] endif foreach h : check_headers if cc.has_header(h) define = 'HAVE_' + h.underscorify().to_upper() cdata.set(define, 1) endif endforeach if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include ') cdata.set('HAVE_TM_GMTOFF', 1) endif check_functions = [ 'gmtime_r', 'sigaction', 'getrusage', 'fseeko', 'ftello', 'poll', 'ppoll', 'pselect', 'getpagesize', 'clock_gettime', 'clock_nanosleep', 'strnlen', # These are needed by libcheck 'getline', 'mkstemp', 'alarm', 'gettimeofday', ] foreach f : check_functions if cc.has_function(f) define = 'HAVE_' + f.underscorify().to_upper() cdata.set(define, 1) endif endforeach if cc.has_function('localtime_r', prefix : '#include') cdata.set('HAVE_LOCALTIME_R', 1) # Needed by libcheck cdata.set('HAVE_DECL_LOCALTIME_R', 1) endif if cc.links('''#include int main() { pthread_setname_np("example"); return 0; }''', name : 'pthread_setname_np(const char*)') cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1) endif if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock') cdata.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1) endif if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np') cdata.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1) endif # Check for futex(2) if cc.links('''#include #include #include int main (int argc, char ** argv) { syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT); return 0; }''', name : 'futex(2) system call') cdata.set('HAVE_FUTEX', 1) endif # Check for posix timers and monotonic clock time_prefix = '#include \n' if cdata.has('HAVE_UNISTD_H') time_prefix += '#include ' endif posix_timers_src = time_prefix + ''' #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME) #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined #endif ''' if cc.compiles(posix_timers_src, name : 'posix timers from time.h') cdata.set('HAVE_POSIX_TIMERS', 1) endif monotonic_clock_src = time_prefix + ''' #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC) #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined #endif ''' if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h') cdata.set('HAVE_MONOTONIC_CLOCK', 1) endif # Check for __uint128_t (gcc) by checking for 128-bit division uint128_t_src = '''int main() { static __uint128_t v1 = 100; static __uint128_t v2 = 10; static __uint128_t u; u = v1 / v2; }''' if cc.compiles(uint128_t_src, name : '__uint128_t available') cdata.set('HAVE_UINT128_T', 1) endif # All supported platforms have long long now cdata.set('HAVE_LONG_LONG', 1) # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when # building with MSVC if cc.get_id() == 'msvc' cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1) else cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0) endif # ------------------------------------------------------------------------------------- # config.h things needed by libcheck # ------------------------------------------------------------------------------------- if cc.has_function('getpid') cdata.set('HAVE_GETPID', 1) elif host_system == 'windows' and cc.has_function('_getpid') cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too cdata.set('HAVE__GETPID', 1) endif if cc.has_function('strdup') cdata.set('HAVE_DECL_STRDUP', 1) elif host_system == 'windows' and cc.has_function('_strdup') cdata.set('HAVE__STRDUP', 1) # Windows (MSVC) endif if host_system != 'windows' cdata.set('HAVE_FORK', 1) else # libcheck requires HAVE_FORK to be 0 when fork() is not available cdata.set('HAVE_FORK', 0) endif if cc.has_function('strsignal') cdata.set('HAVE_DECL_STRSIGNAL', 1) endif # Check for availability of types if not cc.has_type('clockid_t', prefix : '#include ') cdata.set('clockid_t', 'int') endif if not cc.has_type('timer_t', prefix : '#include ') cdata.set('timer_t', 'int') endif if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec', prefix : '#include ') cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1) endif if not cc.has_members('struct itimerspec', 'it_interval', 'it_value', prefix : '#include ') cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1) endif if host_system != 'windows' cdata.set('HAVE_PIPE', 1) elif cc.has_function('_pipe', prefix : '#include ') cdata.set('HAVE_PIPE', 1) endif # Platform deps; only ws2_32 and execinfo for now platform_deps = [] if host_system == 'windows' platform_deps = [cc.find_library('ws2_32')] endif building_for_uwp = false if host_system == 'windows' # Check whether we're building for UWP apps code = ''' #include #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') building_for_uwp = true endif building_for_win7 = cc.compiles('''#include #ifndef WINVER #error "unknown minimum supported OS version" #endif #if (WINVER < _WIN32_WINNT_WIN7) #error "Windows 7 API is not guaranteed" #endif ''', name: 'building for Windows 7') if not building_for_win7 add_project_arguments([ '-D_WIN32_WINNT=_WIN32_WINNT_WIN7', '-DWINVER=_WIN32_WINNT_WIN7', ], language: ['c', 'cpp']) endif endif backtrace_deps = [] unwind_dep = dependency('libunwind', required : get_option('libunwind')) dw_dep = dependency('libdw', required: get_option('libdw')) dbghelp_option = get_option('dbghelp') if dbghelp_option.enabled() and building_for_uwp error('DbgHelp is not supported for UWP') endif have_dbghelp = cc.has_header('dbghelp.h', required: dbghelp_option) and cc.has_header('tlhelp32.h', required: dbghelp_option) backtrace_deps = [unwind_dep, dw_dep] backtrace_source_info = false backtrace_minimal = false # MSVC debug stack trace support if host_system == 'windows' and have_dbghelp and not building_for_uwp cdata.set('HAVE_DBGHELP', 1) backtrace_source_info = true # DWARF stack trace support with libunwind and elf-utils elif unwind_dep.found() cdata.set('HAVE_UNWIND', 1) if dw_dep.found() cdata.set('HAVE_DW', 1) backtrace_source_info = true endif backtrace_minimal = true # Basic backtrace() stack trace support elif cc.has_function('backtrace') cdata.set('HAVE_BACKTRACE', 1) backtrace_minimal = true endif # Print messages about what was enabled if not backtrace_source_info if not backtrace_minimal message('NO support for stack traces.') else message('Minimal support for stack traces, no source info.') endif endif if cc.has_header('execinfo.h') if cc.has_function('backtrace', prefix : '#include ') cdata.set('HAVE_BACKTRACE', 1) else execinfo_dep = cc.find_library('execinfo', required : false) if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include ', dependencies : execinfo_dep) cdata.set('HAVE_BACKTRACE', 1) platform_deps += execinfo_dep endif endif endif gst_debug = get_option('gst_debug') if not gst_debug add_project_arguments(['-Wno-unused'], language: 'c') endif warning_flags = [ '-Wmissing-declarations', '-Wmissing-prototypes', '-Wredundant-decls', '-Wundef', '-Wwrite-strings', '-Wformat', '-Wformat-nonliteral', '-Wformat-security', '-Wold-style-definition', '-Winit-self', '-Wmissing-include-dirs', '-Waddress', '-Waggregate-return', '-Wno-multichar', '-Wvla', '-Wpointer-arith', ] foreach extra_arg : warning_flags if cc.has_argument (extra_arg) add_project_arguments([extra_arg], language: 'c') endif endforeach # Used by the gstutils test gmp_dep = cc.find_library('gmp', required : false) cdata.set('HAVE_GMP', gmp_dep.found()) gsl_dep = cc.find_library('gsl', required : false) gslcblas_dep = cc.find_library('gslcblas', required : false) cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found()) test_deps = [gmp_dep, gsl_dep, gslcblas_dep] # Used by gstinfo.c dl_dep = cc.find_library('dl', required : false) cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep)) cdata.set('GST_ENABLE_EXTRA_CHECKS', not get_option('extra-checks').disabled()) cdata.set('USE_POISONING', get_option('poisoning')) configinc = include_directories('.') libsinc = include_directories('libs') privinc = include_directories('gst') glib_req = '>= 2.62.0' # Find dependencies glib_dep = dependency('glib-2.0', version: glib_req, fallback: ['glib', 'libglib_dep']) gobject_dep = dependency('gobject-2.0') gmodule_dep = dependency('gmodule-no-export-2.0') if host_system == 'windows' gio_dep = dependency('gio-2.0') else gio_dep = [dependency('gio-2.0'), dependency('gio-unix-2.0')] endif mathlib = cc.find_library('m', required : false) # Needed for timer_create/settime/delete # Also provides clock_gettime in glibc < 2.17 rt_lib = cc.find_library('rt', required : false) gir = find_program('g-ir-scanner', required : get_option('introspection')) gnome = import('gnome') build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled()) gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \ 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \ 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \ 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \ 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \ 'gst_init(NULL,NULL);', '--quiet'] gst_c_args = ['-DHAVE_CONFIG_H'] # FIXME: This is only needed on windows and probably breaks when # default_library = 'both'. We should add this flag to static_c_args instead # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304 if get_option('default_library') == 'static' gst_c_args += ['-DGST_STATIC_COMPILATION'] endif # Used in gst/parse/meson.build and below python3 = import('python').find_installation() bashcomp_option = get_option('bash-completion') bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option) bash_completions_dir = '' bash_helpers_dir = '' bashcomp_found = false if bashcomp_dep.found() bashcomp_found = true bashcomp_dir_override = bashcomp_dep.version().version_compare('>= 2.10') ? ['datadir', datadir] : ['prefix', prefix] bash_completions_dir = bashcomp_dep.get_variable('completionsdir', pkgconfig_define: bashcomp_dir_override) if bash_completions_dir == '' msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.' if bashcomp_option.enabled() error(msg) else message(msg) endif bashcomp_found = false endif bash_helpers_dir = bashcomp_dep.get_variable('helpersdir', pkgconfig_define: bashcomp_dir_override) if bash_helpers_dir == '' msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.' if bashcomp_option.enabled() error(msg) else message(msg) endif bashcomp_found = false endif endif plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0') pkgconfig = import('pkgconfig') plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig') if get_option('default_library') == 'shared' # If we don't build static plugins there is no need to generate pc files plugins_pkgconfig_install_dir = disabler() endif pkgconfig_variables = ['exec_prefix=${prefix}', 'toolsdir=${exec_prefix}/bin', 'pluginsdir=${libdir}/gstreamer-1.0', 'datarootdir=${prefix}/share', 'datadir=${datarootdir}', 'girdir=${datadir}/gir-1.0', 'typelibdir=${libdir}/girepository-1.0', 'libexecdir=${prefix}/libexec', 'pluginscannerdir=${libexecdir}/gstreamer-1.0'] pkgconfig_uninstalled_variables = ['exec_prefix=${prefix}', 'gstreamerdir=${prefix}/subprojects/gstreamer', 'bashhelpersdir=${gstreamerdir}/data/bash-completion/helpers', 'helpersdir=${gstreamerdir}/libs/gst/helpers'] pkgconfig_subdirs = ['gstreamer-1.0'] pkgconfig_libs = [] if host_system == 'darwin' pkgconfig_libs = ['-Wl,-rpath,${libdir}'] endif static_build = get_option('default_library') == 'static' gst_libraries = [] subdir('gst') subdir('libs') subdir('plugins') subdir('tools') subdir('tests') subdir('data') subdir('docs') # xgettext is optional (on Windows for instance) if find_program('xgettext', required : get_option('nls')).found() cdata.set('ENABLE_NLS', 1) subdir('po') endif subdir('scripts') # Set release date if gst_version_nano == 0 extract_release_date = find_program('scripts/extract-release-date-from-doap-file.py') run_result = run_command(extract_release_date, gst_version, files('gstreamer.doap'), check: true) release_date = run_result.stdout().strip() cdata.set_quoted('GST_PACKAGE_RELEASE_DATETIME', release_date) message('Package release date: ' + release_date) endif configure_file(output : 'config.h', configuration : cdata) install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal')) plugin_names = [] gst_plugins = [] foreach plugin: plugins pkgconfig.generate(plugin, install_dir: plugins_pkgconfig_install_dir) dep = declare_dependency(link_with: plugin, variables: {'full_path': plugin.full_path()}) meson.override_dependency(plugin.name(), dep) gst_plugins += [dep] if plugin.name().startswith('gst') plugin_names += [plugin.name().substring(3)] else plugin_names += [plugin.name()] endif endforeach summary({ 'Plugins': plugin_names, }, list_sep: ', ')