meson.build - gst-plugins-ugly1.0 - Git at Google

 project('gst-plugins-ugly', 'c',
   version : '1.13.90',
   meson_version : '>= 0.36.0',
   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

 have_cxx = add_languages('cpp', required : false)

 glib_req = '>= 2.40.0'
 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)

 api_version = '1.0'

 plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))

 cc = meson.get_compiler('c')

 if cc.get_id() == 'msvc'
   # 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
   add_project_arguments(
       '/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)
       language : 'c')
   # Disable SAFESEH with MSVC for plugins and libs that use external deps that
   # are built with MinGW
   noseh_link_args = ['/SAFESEH:NO']
 else
   noseh_link_args = []
 endif

 # Symbol visibility
 if cc.has_argument('-fvisibility=hidden')
   add_project_arguments('-fvisibility=hidden', language: 'c')
 endif

 # Disable strict aliasing
 if cc.has_argument('-fno-strict-aliasing')
   add_project_arguments('-fno-strict-aliasing', language: 'c')
 endif

 cdata = configuration_data()
 check_headers = [
   ['HAVE_DLFCN_H', 'dlfcn.h'],
   ['HAVE_INTTYPES_H', 'inttypes.h'],
   ['HAVE_MALLOC_H', 'malloc.h'],
   ['HAVE_MEMORY_H', 'memory.h'],
   ['HAVE_STDINT_H', 'stdint.h'],
   ['HAVE_STDLIB_H', 'stdlib.h'],
   ['HAVE_STRINGS_H', 'strings.h'],
   ['HAVE_STRING_H', 'string.h'],
   ['HAVE_SYS_STAT_H', 'sys/stat.h'],
   ['HAVE_SYS_TYPES_H', 'sys/types.h'],
   ['HAVE_UNISTD_H', 'unistd.h'],
   ['HAVE_WINSOCK2_H', 'winsock2.h'],
 ]

 foreach h : check_headers
   if cc.has_header(h.get(1))
     cdata.set(h.get(0), 1)
   endif
 endforeach

 check_functions = [
 # check token HAVE_CPU_ALPHA
 # check token HAVE_CPU_ARM
 # check token HAVE_CPU_CRIS
 # check token HAVE_CPU_CRISV32
 # check token HAVE_CPU_HPPA
 # check token HAVE_CPU_I386
 # check token HAVE_CPU_IA64
 # check token HAVE_CPU_M68K
 # check token HAVE_CPU_MIPS
 # check token HAVE_CPU_PPC
 # check token HAVE_CPU_PPC64
 # check token HAVE_CPU_S390
 # check token HAVE_CPU_SPARC
 # check token HAVE_CPU_X86_64
   ['HAVE_DCGETTEXT', 'dcgettext'],
 # check token HAVE_EXPERIMENTAL
 # check token HAVE_EXTERNAL
 # check token HAVE_GETTEXT
 # check token HAVE_VALGRIND
 ]

 foreach f : check_functions
   if cc.has_function(f.get(1))
     cdata.set(f.get(0), 1)
   endif
 endforeach

 cdata.set('SIZEOF_CHAR', cc.sizeof('char'))
 cdata.set('SIZEOF_INT', cc.sizeof('int'))
 cdata.set('SIZEOF_LONG', cc.sizeof('long'))
 cdata.set('SIZEOF_SHORT', cc.sizeof('short'))
 cdata.set('SIZEOF_VOIDP', cc.sizeof('void*'))

 cdata.set('VERSION', '"@0@"'.format(gst_version))
 cdata.set('PACKAGE', '"gst-plugins-ugly"')
 cdata.set('GETTEXT_PACKAGE', '"gst-plugins-ugly-1.0"')
 cdata.set('GST_LICENSE', '"LGPL"')

 # GStreamer package name and origin url
 gst_package_name = get_option('with-package-name')
 if gst_package_name == ''
   if gst_version_nano == 0
     gst_package_name = 'GStreamer Ugly Plug-ins source release'
   elif gst_version_nano == 1
     gst_package_name = 'GStreamer Ugly Plug-ins git'
   else
     gst_package_name = 'GStreamer Ugly Plug-ins prerelease'
   endif
 endif
 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('with-package-origin'))

 # Mandatory GST deps
 gst_dep = dependency('gstreamer-1.0', version : gst_req,
     fallback : ['gstreamer', 'gst_dep'])
 gstapp_dep = dependency('gstreamer-app-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'app_dep'])
 gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'video_dep'])
 gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'pbutils_dep'])
 gsttag_dep = dependency('gstreamer-tag-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'tag_dep'])
 gstfft_dep = dependency('gstreamer-fft-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'fft_dep'])
 gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'audio_dep'])
 gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
   fallback : ['gstreamer', 'gst_base_dep'])
 gstriff_dep = dependency('gstreamer-riff-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'riff_dep'])
 gstrtp_dep = dependency('gstreamer-rtp-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'rtp_dep'])
 gstnet_dep = dependency('gstreamer-net-1.0', version : gst_req,
   fallback : ['gstreamer', 'gst_net_dep'])
 gstsdp_dep = dependency('gstreamer-sdp-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'sdp_dep'])
 gstrtsp_dep = dependency('gstreamer-rtsp-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'rtsp_dep'])
 if host_machine.system() != 'windows'
   gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
     fallback : ['gstreamer', 'gst_check_dep'])
 endif
 gstcontroller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
   fallback : ['gstreamer', 'gst_controller_dep'])

 orc_dep = dependency('orc-0.4', version : '>= 0.4.16', required : false)
 if orc_dep.found()
   cdata.set('HAVE_ORC', 1) # used by a52dec for cpu detection
 else
   cdata.set('DISABLE_ORC', 1)
 endif

 configure_file(output : 'config.h', configuration : cdata)

 ugly_args = ['-DHAVE_CONFIG_H']
 configinc = include_directories('.')
 libsinc = include_directories('gst-libs')

 if gst_dep.type_name() == 'internal'
   gst_debug_disabled = subproject('gstreamer').get_variable('disable_gst_debug')
 else
   # We can't check that in the case of subprojects as we won't
   # be able to build against an internal dependency (which is not built yet)
   gst_debug_disabled = cc.has_header_symbol('gst/gstconfig.h', 'GST_DISABLE_GST_DEBUG', dependencies: gst_dep)
 endif

 if gst_debug_disabled and cc.has_argument('-Wno-unused')
   add_project_arguments('-Wno-unused', language: 'c')
 endif

 warning_flags = [
   '-Wmissing-declarations',
   '-Wredundant-decls',
   '-Wwrite-strings',
   '-Wformat',
   '-Wformat-nonliteral',
   '-Wformat-security',
   '-Winit-self',
   '-Wmissing-include-dirs',
   '-Waddress',
   '-Wno-multichar',
   '-Wvla',
   '-Wpointer-arith',
   '-Waggregate-return',
 ]

 warning_c_flags = [
   '-Wmissing-prototypes',
   '-Wold-style-definition',
   '-Wdeclaration-after-statement',
   '-Wnested-externs'
 ]

 if have_cxx
   cxx = meson.get_compiler('cpp')
 endif

 foreach extra_arg : warning_flags
   if cc.has_argument (extra_arg)
     add_project_arguments([extra_arg], language: 'c')
   endif
   if have_cxx and cxx.has_argument (extra_arg)
     add_project_arguments([extra_arg], language: 'cpp')
   endif
 endforeach

 foreach extra_arg : warning_c_flags
   if cc.has_argument (extra_arg)
     add_project_arguments([extra_arg], language: 'c')
   endif
 endforeach

 presetdir = join_paths(get_option('datadir'), 'gstreamer-' + api_version, 'presets')
 subdir('gst')
 subdir('ext')
 subdir('tests')

 # xgettext is optional (on Windows for instance)
 if find_program('xgettext', required : false).found()
   subdir('po')
 endif

 python3 = import('python3').find_python()
 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
	project('gst-plugins-ugly', 'c',
	version : '1.13.90',
	meson_version : '>= 0.36.0',
	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

	have_cxx = add_languages('cpp', required : false)

	glib_req = '>= 2.40.0'
	gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)

	api_version = '1.0'

	plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))

	cc = meson.get_compiler('c')

	if cc.get_id() == 'msvc'
	# 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
	add_project_arguments(
	'/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)
	language : 'c')
	# Disable SAFESEH with MSVC for plugins and libs that use external deps that
	# are built with MinGW
	noseh_link_args = ['/SAFESEH:NO']
	else
	noseh_link_args = []
	endif

	# Symbol visibility
	if cc.has_argument('-fvisibility=hidden')
	add_project_arguments('-fvisibility=hidden', language: 'c')
	endif

	# Disable strict aliasing
	if cc.has_argument('-fno-strict-aliasing')
	add_project_arguments('-fno-strict-aliasing', language: 'c')
	endif

	cdata = configuration_data()
	check_headers = [
	['HAVE_DLFCN_H', 'dlfcn.h'],
	['HAVE_INTTYPES_H', 'inttypes.h'],
	['HAVE_MALLOC_H', 'malloc.h'],
	['HAVE_MEMORY_H', 'memory.h'],
	['HAVE_STDINT_H', 'stdint.h'],
	['HAVE_STDLIB_H', 'stdlib.h'],
	['HAVE_STRINGS_H', 'strings.h'],
	['HAVE_STRING_H', 'string.h'],
	['HAVE_SYS_STAT_H', 'sys/stat.h'],
	['HAVE_SYS_TYPES_H', 'sys/types.h'],
	['HAVE_UNISTD_H', 'unistd.h'],
	['HAVE_WINSOCK2_H', 'winsock2.h'],
	]

	foreach h : check_headers
	if cc.has_header(h.get(1))
	cdata.set(h.get(0), 1)
	endif
	endforeach

	check_functions = [
	# check token HAVE_CPU_ALPHA
	# check token HAVE_CPU_ARM
	# check token HAVE_CPU_CRIS
	# check token HAVE_CPU_CRISV32
	# check token HAVE_CPU_HPPA
	# check token HAVE_CPU_I386
	# check token HAVE_CPU_IA64
	# check token HAVE_CPU_M68K
	# check token HAVE_CPU_MIPS
	# check token HAVE_CPU_PPC
	# check token HAVE_CPU_PPC64
	# check token HAVE_CPU_S390
	# check token HAVE_CPU_SPARC
	# check token HAVE_CPU_X86_64
	['HAVE_DCGETTEXT', 'dcgettext'],
	# check token HAVE_EXPERIMENTAL
	# check token HAVE_EXTERNAL
	# check token HAVE_GETTEXT
	# check token HAVE_VALGRIND
	]

	foreach f : check_functions
	if cc.has_function(f.get(1))
	cdata.set(f.get(0), 1)
	endif
	endforeach

	cdata.set('SIZEOF_CHAR', cc.sizeof('char'))
	cdata.set('SIZEOF_INT', cc.sizeof('int'))
	cdata.set('SIZEOF_LONG', cc.sizeof('long'))
	cdata.set('SIZEOF_SHORT', cc.sizeof('short'))
	cdata.set('SIZEOF_VOIDP', cc.sizeof('void*'))

	cdata.set('VERSION', '"@0@"'.format(gst_version))
	cdata.set('PACKAGE', '"gst-plugins-ugly"')
	cdata.set('GETTEXT_PACKAGE', '"gst-plugins-ugly-1.0"')
	cdata.set('GST_LICENSE', '"LGPL"')

	# GStreamer package name and origin url
	gst_package_name = get_option('with-package-name')
	if gst_package_name == ''
	if gst_version_nano == 0
	gst_package_name = 'GStreamer Ugly Plug-ins source release'
	elif gst_version_nano == 1
	gst_package_name = 'GStreamer Ugly Plug-ins git'
	else
	gst_package_name = 'GStreamer Ugly Plug-ins prerelease'
	endif
	endif
	cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
	cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('with-package-origin'))

	# Mandatory GST deps
	gst_dep = dependency('gstreamer-1.0', version : gst_req,
	fallback : ['gstreamer', 'gst_dep'])
	gstapp_dep = dependency('gstreamer-app-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'app_dep'])
	gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'video_dep'])
	gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'pbutils_dep'])
	gsttag_dep = dependency('gstreamer-tag-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'tag_dep'])
	gstfft_dep = dependency('gstreamer-fft-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'fft_dep'])
	gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'audio_dep'])
	gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
	fallback : ['gstreamer', 'gst_base_dep'])
	gstriff_dep = dependency('gstreamer-riff-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'riff_dep'])
	gstrtp_dep = dependency('gstreamer-rtp-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'rtp_dep'])
	gstnet_dep = dependency('gstreamer-net-1.0', version : gst_req,
	fallback : ['gstreamer', 'gst_net_dep'])
	gstsdp_dep = dependency('gstreamer-sdp-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'sdp_dep'])
	gstrtsp_dep = dependency('gstreamer-rtsp-1.0', version : gst_req,
	fallback : ['gst-plugins-base', 'rtsp_dep'])
	if host_machine.system() != 'windows'
	gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
	fallback : ['gstreamer', 'gst_check_dep'])
	endif
	gstcontroller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
	fallback : ['gstreamer', 'gst_controller_dep'])

	orc_dep = dependency('orc-0.4', version : '>= 0.4.16', required : false)
	if orc_dep.found()
	cdata.set('HAVE_ORC', 1) # used by a52dec for cpu detection
	else
	cdata.set('DISABLE_ORC', 1)
	endif

	configure_file(output : 'config.h', configuration : cdata)

	ugly_args = ['-DHAVE_CONFIG_H']
	configinc = include_directories('.')
	libsinc = include_directories('gst-libs')

	if gst_dep.type_name() == 'internal'
	gst_debug_disabled = subproject('gstreamer').get_variable('disable_gst_debug')
	else
	# We can't check that in the case of subprojects as we won't
	# be able to build against an internal dependency (which is not built yet)
	gst_debug_disabled = cc.has_header_symbol('gst/gstconfig.h', 'GST_DISABLE_GST_DEBUG', dependencies: gst_dep)
	endif

	if gst_debug_disabled and cc.has_argument('-Wno-unused')
	add_project_arguments('-Wno-unused', language: 'c')
	endif

	warning_flags = [
	'-Wmissing-declarations',
	'-Wredundant-decls',
	'-Wwrite-strings',
	'-Wformat',
	'-Wformat-nonliteral',
	'-Wformat-security',
	'-Winit-self',
	'-Wmissing-include-dirs',
	'-Waddress',
	'-Wno-multichar',
	'-Wvla',
	'-Wpointer-arith',
	'-Waggregate-return',
	]

	warning_c_flags = [
	'-Wmissing-prototypes',
	'-Wold-style-definition',
	'-Wdeclaration-after-statement',
	'-Wnested-externs'
	]

	if have_cxx
	cxx = meson.get_compiler('cpp')
	endif

	foreach extra_arg : warning_flags
	if cc.has_argument (extra_arg)
	add_project_arguments([extra_arg], language: 'c')
	endif
	if have_cxx and cxx.has_argument (extra_arg)
	add_project_arguments([extra_arg], language: 'cpp')
	endif
	endforeach

	foreach extra_arg : warning_c_flags
	if cc.has_argument (extra_arg)
	add_project_arguments([extra_arg], language: 'c')
	endif
	endforeach

	presetdir = join_paths(get_option('datadir'), 'gstreamer-' + api_version, 'presets')
	subdir('gst')
	subdir('ext')
	subdir('tests')

	# xgettext is optional (on Windows for instance)
	if find_program('xgettext', required : false).found()
	subdir('po')
	endif

	python3 = import('python3').find_python()
	run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')