1 project('gst-plugins-base', 'c',
3 meson_version : '>= 0.47',
4 default_options : [ 'warning_level=1',
5 'buildtype=debugoptimized' ])
7 gst_version = meson.project_version()
8 version_arr = gst_version.split('.')
9 gst_version_major = version_arr[0].to_int()
10 gst_version_minor = version_arr[1].to_int()
11 gst_version_micro = version_arr[2].to_int()
12 if version_arr.length() == 4
13 gst_version_nano = version_arr[3].to_int()
18 have_cxx = add_languages('cpp', required : false)
19 have_objc = add_languages('objc', required : false)
21 glib_req = '>= 2.40.0'
23 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
27 # maintaining compatibility with the previous libtool versioning
28 # current = minor * 100 + micro
29 # FIXME: should be able to convert string to int somehow so we can just do maths
30 libversion = '@0@.@1@.0'.format(soversion, gst_version_minor * 100 + gst_version_micro)
32 plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))
34 cc = meson.get_compiler('c')
35 host_system = host_machine.system()
37 if cc.get_id() == 'msvc'
38 # Ignore several spurious warnings for things gstreamer does very commonly
39 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
40 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
41 # NOTE: Only add warnings here if you are sure they're spurious
42 add_project_arguments(
43 '/wd4018', # implicit signed/unsigned conversion
44 '/wd4146', # unary minus on unsigned (beware INT_MIN)
45 '/wd4244', # lossy type conversion (e.g. double -> int)
46 '/wd4305', # truncating type conversion (e.g. double -> float)
48 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
49 # are built with MinGW
50 noseh_link_args = ['/SAFESEH:NO']
55 if cc.has_link_argument('-Wl,-Bsymbolic-functions')
56 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
60 if cc.has_argument('-fvisibility=hidden')
61 add_project_arguments('-fvisibility=hidden', language: 'c')
64 # Disable strict aliasing
65 if cc.has_argument('-fno-strict-aliasing')
66 add_project_arguments('-fno-strict-aliasing', language: 'c')
69 core_conf = configuration_data()
71 ['HAVE_DLFCN_H', 'dlfcn.h'],
72 ['HAVE_EMMINTRIN_H', 'emmintrin.h'],
73 ['HAVE_INTTYPES_H', 'inttypes.h'],
74 ['HAVE_MEMORY_H', 'memory.h'],
75 ['HAVE_PROCESS_H', 'process.h'],
76 ['HAVE_SMMINTRIN_H', 'smmintrin.h'],
77 ['HAVE_STDINT_H', 'stdint.h'],
78 ['HAVE_STDLIB_H', 'stdlib.h'],
79 ['HAVE_STRINGS_H', 'strings.h'],
80 ['HAVE_STRING_H', 'string.h'],
81 ['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
82 ['HAVE_SYS_STAT_H', 'sys/stat.h'],
83 ['HAVE_SYS_TYPES_H', 'sys/types.h'],
84 ['HAVE_SYS_WAIT_H', 'sys/wait.h'],
85 ['HAVE_UNISTD_H', 'unistd.h'],
86 ['HAVE_WINSOCK2_H', 'winsock2.h'],
87 ['HAVE_XMMINTRIN_H', 'xmmintrin.h'],
88 ['HAVE_LINUX_DMA_BUF_H', 'linux/dma-buf.h'],
90 foreach h : check_headers
91 if cc.has_header(h.get(1))
92 core_conf.set(h.get(0), 1)
97 ['HAVE_DCGETTEXT', 'dcgettext', '#include<libintl.h>'],
98 ['HAVE_GMTIME_R', 'gmtime_r', '#include<time.h>'],
99 ['HAVE_LRINTF', 'lrintf', '#include<math.h>'],
100 ['HAVE_MMAP', 'mmap', '#include<sys/mman.h>'],
101 ['HAVE_LOG2', 'log2', '#include<math.h>'],
104 libm = cc.find_library('m', required : false)
105 foreach f : check_functions
106 if cc.has_function(f.get(1), prefix : f.get(2), dependencies : libm)
107 core_conf.set(f.get(0), 1)
111 core_conf.set('SIZEOF_CHAR', cc.sizeof('char'))
112 core_conf.set('SIZEOF_INT', cc.sizeof('int'))
113 core_conf.set('SIZEOF_LONG', cc.sizeof('long'))
114 core_conf.set('SIZEOF_SHORT', cc.sizeof('short'))
115 core_conf.set('SIZEOF_VOIDP', cc.sizeof('void*'))
117 core_conf.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-base-1.0')
118 core_conf.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
119 core_conf.set_quoted('PACKAGE', 'gst-plugins-base')
120 core_conf.set_quoted('VERSION', gst_version)
121 core_conf.set_quoted('PACKAGE_VERSION', gst_version)
122 core_conf.set_quoted('GST_API_VERSION', api_version)
123 core_conf.set_quoted('GST_DATADIR', join_paths(get_option('prefix'), get_option('datadir')))
124 core_conf.set_quoted('GST_LICENSE', 'LGPL')
126 install_plugins_helper = get_option('install_plugins_helper')
127 if install_plugins_helper == ''
128 install_plugins_helper = join_paths(get_option('prefix'),
129 get_option('libexecdir'),
130 'gst-install-plugins-helper')
132 core_conf.set_quoted('GST_INSTALL_PLUGINS_HELPER', install_plugins_helper)
135 '-Wmissing-declarations',
140 '-Wformat-nonliteral',
143 '-Wmissing-include-dirs',
151 '-Wmissing-prototypes',
152 '-Wdeclaration-after-statement',
155 warning_cxx_flags = [
156 '-Waggregate-return',
160 cxx = meson.get_compiler('cpp')
161 foreach extra_arg : warning_cxx_flags
162 if cxx.has_argument (extra_arg)
163 add_project_arguments([extra_arg], language: 'cpp')
168 foreach extra_arg : warning_flags
169 if cc.has_argument (extra_arg)
170 add_project_arguments([extra_arg], language: 'c')
172 if have_cxx and cxx.has_argument (extra_arg)
173 add_project_arguments([extra_arg], language: 'cpp')
177 foreach extra_arg : warning_c_flags
178 if cc.has_argument (extra_arg)
179 add_project_arguments([extra_arg], language: 'c')
183 # GStreamer package name and origin url
184 gst_package_name = get_option('package-name')
185 if gst_package_name == ''
186 if gst_version_nano == 0
187 gst_package_name = 'GStreamer Base Plug-ins source release'
188 elif gst_version_nano == 1
189 gst_package_name = 'GStreamer Base Plug-ins git'
191 gst_package_name = 'GStreamer Base Plug-ins prerelease'
194 core_conf.set_quoted('GST_PACKAGE_NAME', gst_package_name)
195 core_conf.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
197 # FIXME: These should be configure options
198 core_conf.set_quoted('DEFAULT_VIDEOSINK', 'autovideosink')
199 core_conf.set_quoted('DEFAULT_AUDIOSINK', 'autoaudiosink')
201 # Set whether the audioresampling method should be detected at runtime
202 core_conf.set('AUDIORESAMPLE_FORMAT_' + get_option('audioresample_format').to_upper(), true)
204 gst_plugins_base_args = ['-DHAVE_CONFIG_H']
205 if get_option('default_library') == 'static'
206 gst_plugins_base_args += ['-DGST_STATIC_COMPILATION']
209 # X11 checks are for sys/ and tests/
210 x11_dep = dependency('x11', required : get_option('x11'))
211 # GLib checks are for the entire project
212 # Almost everything that uses glib also uses gobject
213 glib_deps = [dependency('glib-2.0', version : glib_req, fallback: ['glib', 'libglib_dep']),
214 dependency('gobject-2.0', fallback: ['glib', 'libgobject_dep'])]
215 # GIO is used by the GIO plugin, and by the TCP, SDP, and RTSP plugins
216 gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
217 giounix_dep = dependency('gio-unix-2.0', version : glib_req, required : host_system != 'windows',
218 fallback: ['glib', 'libgiounix_dep'])
220 # some of the examples can use gdk-pixbuf and GTK+3
221 gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0', required : get_option('examples'))
222 gtk_dep = dependency('gtk+-3.0', version : '>= 3.10', required : get_option('examples'))
223 # TODO: https://github.com/mesonbuild/meson/issues/3941
224 if not get_option('x11').disabled()
225 gtk_x11_dep = dependency('gtk+-x11-3.0', version : '>= 3.10', required : get_option('examples'))
227 gtk_x11_dep = dependency('', required : false)
229 # gtk+ quartz backend is only available on macOS
230 if host_system == 'darwin'
231 gtk_quartz_dep = dependency('gtk+-quartz-3.0', version : '>= 3.10', required : get_option('examples'))
233 gtk_quartz_dep = dependency('', required : false)
236 core_conf.set('HAVE_X', x11_dep.found())
237 core_conf.set('HAVE_GIO_UNIX_2_0', giounix_dep.found())
239 if gio_dep.type_name() == 'pkgconfig'
240 core_conf.set_quoted('GIO_MODULE_DIR',
241 gio_dep.get_pkgconfig_variable('giomoduledir'))
242 core_conf.set_quoted('GIO_LIBDIR',
243 gio_dep.get_pkgconfig_variable('libdir'))
244 core_conf.set_quoted('GIO_PREFIX',
245 gio_dep.get_pkgconfig_variable('prefix'))
247 core_conf.set_quoted('GIO_MODULE_DIR', join_paths(get_option('prefix'),
248 get_option('libdir'), 'gio/modules'))
249 core_conf.set_quoted('GIO_LIBDIR', join_paths(get_option('prefix'),
250 get_option('libdir')))
251 core_conf.set_quoted('GIO_PREFIX', get_option('prefix'))
254 configinc = include_directories('.')
255 libsinc = include_directories('gst-libs')
257 # To use the subproject make subprojects directory
258 # and put gstreamer meson git there (symlinking is fine)
259 gst_dep = dependency('gstreamer-1.0', version : gst_req,
260 fallback : ['gstreamer', 'gst_dep'])
261 gst_base_dep = dependency('gstreamer-base-1.0', version : gst_req,
262 fallback : ['gstreamer', 'gst_base_dep'])
263 gst_net_dep = dependency('gstreamer-net-1.0', version : gst_req,
264 fallback : ['gstreamer', 'gst_net_dep'])
265 if host_system != 'windows'
266 gst_check_dep = dependency('gstreamer-check-1.0', version : gst_req,
267 fallback : ['gstreamer', 'gst_check_dep'])
269 gst_controller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
270 fallback : ['gstreamer', 'gst_controller_dep'])
274 # Used by various libraries/elements that use Orc code
275 orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'))
276 orcc = find_program('orcc', required : get_option('orc'))
277 if orc_dep.found() and orcc.found()
279 orcc_args = [orcc, '--include', 'glib.h']
280 core_conf.set('HAVE_ORC', 1)
282 message('Orc Compiler not found or disabled, will use backup C code')
283 core_conf.set('DISABLE_ORC', 1)
286 # Used to build SSE* things in audio-resampler
289 sse41_args = '-msse4.1'
291 have_sse = cc.has_argument(sse_args)
292 have_sse2 = cc.has_argument(sse2_args)
293 have_sse41 = cc.has_argument(sse41_args)
295 if gst_dep.type_name() == 'internal'
296 gst_proj = subproject('gstreamer')
298 if not gst_proj.get_variable('gst_debug')
299 message('GStreamer debug system is disabled')
300 add_project_arguments('-Wno-unused', language: 'c')
302 message('GStreamer debug system is enabled')
305 # We can't check that in the case of subprojects as we won't
306 # be able to build against an internal dependency (which is not built yet)
307 if not cc.compiles('''
308 #include <gst/gstconfig.h>
309 #ifdef GST_DISABLE_GST_DEBUG
310 #error "debugging disabled, make compiler fail"
311 #endif''' , dependencies: gst_dep)
312 message('GStreamer debug system is disabled')
313 add_project_arguments('-Wno-unused', language: 'c')
315 message('GStreamer debug system is enabled')
319 gir = find_program('g-ir-scanner', required : get_option('introspection'))
320 gnome = import('gnome')
321 build_gir = gir.found() and not meson.is_cross_build()
322 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
323 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
324 'g_setenv("GST_REGISTRY_1.0", "@0@", TRUE);'.format(meson.current_build_dir() + '/gir_empty_registry.reg') + \
325 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
326 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
327 'gst_init(NULL,NULL);' ]
329 pkgconfig = import('pkgconfig')
330 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
331 if get_option('default_library') == 'shared'
332 # If we don't build static plugins there is no need to generate pc files
333 plugins_pkgconfig_install_dir = disabler()
344 # xgettext is optional (on Windows for instance)
345 if find_program('xgettext', required : get_option('nls')).found()
346 core_conf.set('ENABLE_NLS', 1)
350 if build_machine.system() == 'windows'
351 message('Disabling gtk-doc while building on Windows')
353 if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
356 message('Not building documentation as gtk-doc was not found')
360 # Use core_conf after all subdirs have set values
361 configure_file(output : 'config.h', configuration : core_conf)
363 python3 = import('python3').find_python()
364 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')