mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
This (so-far) Linux- and FreeBSD-only API lets users create file descriptors purely in memory, without any backing file on the filesystem and the race condition which could ensue when unlink()ing it. It also allows seals to be placed on the file, ensuring to every other process that we won’t be allowed to shrink the contents, potentially causing a SIGBUS when they try reading it. This patch is best viewed with the -w option of git log -p. It is an almost exact copy of Wayland commit 6908c8c85a2e33e5654f64a55cd4f847bf385cae, see https://gitlab.freedesktop.org/wayland/wayland/merge_requests/4 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1577>
538 lines
18 KiB
Meson
538 lines
18 KiB
Meson
project('gst-plugins-bad', 'c', 'cpp',
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version : '1.19.0.1',
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meson_version : '>= 0.54',
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default_options : [ 'warning_level=1',
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'buildtype=debugoptimized' ])
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gst_version = meson.project_version()
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version_arr = gst_version.split('.')
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gst_version_major = version_arr[0].to_int()
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gst_version_minor = version_arr[1].to_int()
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gst_version_micro = version_arr[2].to_int()
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if version_arr.length() == 4
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gst_version_nano = version_arr[3].to_int()
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else
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gst_version_nano = 0
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endif
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gst_version_is_dev = gst_version_minor % 2 == 1 and gst_version_micro < 90
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glib_req = '>= 2.44.0'
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orc_req = '>= 0.4.17'
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gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
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api_version = '1.0'
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soversion = 0
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# maintaining compatibility with the previous libtool versioning
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# current = minor * 100 + micro
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curversion = gst_version_minor * 100 + gst_version_micro
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libversion = '@0@.@1@.0'.format(soversion, curversion)
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osxversion = curversion + 1
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plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
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plugins = []
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cc = meson.get_compiler('c')
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cxx = meson.get_compiler('cpp')
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host_system = host_machine.system()
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if host_system in ['ios', 'darwin']
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have_objc = add_languages('objc', native: false)
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have_objcpp = add_languages('objcpp', native: false)
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else
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have_objc = false
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have_objcpp = false
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endif
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cdata = configuration_data()
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if cc.get_id() == 'msvc'
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# Ignore several spurious warnings for things gstreamer 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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msvc_args = [
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'/wd4018', # implicit signed/unsigned conversion
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'/wd4146', # unary minus on unsigned (beware INT_MIN)
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'/wd4244', # lossy type conversion (e.g. double -> int)
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'/wd4305', # truncating type conversion (e.g. double -> float)
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cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
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]
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add_project_arguments(msvc_args, language : 'c')
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add_project_arguments(msvc_args, language : 'cpp')
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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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else
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if cxx.has_argument('-Wno-non-virtual-dtor')
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add_project_arguments('-Wno-non-virtual-dtor', language: 'cpp')
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endif
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noseh_link_args = []
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endif
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if cc.has_link_argument('-Wl,-Bsymbolic-functions')
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add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
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endif
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# Symbol visibility
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if cc.get_id() == 'msvc'
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export_define = '__declspec(dllexport) extern'
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elif cc.has_argument('-fvisibility=hidden')
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add_project_arguments('-fvisibility=hidden', language: 'c')
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add_project_arguments('-fvisibility=hidden', language: 'cpp')
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if have_objc
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add_project_arguments('-fvisibility=hidden', language: 'objc')
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endif
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export_define = 'extern __attribute__ ((visibility ("default")))'
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else
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export_define = 'extern'
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endif
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# Passing this through the command line would be too messy
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cdata.set('GST_API_EXPORT', export_define)
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# Disable strict aliasing
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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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if cxx.has_argument('-fno-strict-aliasing')
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add_project_arguments('-fno-strict-aliasing', language: 'cpp')
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endif
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# Define G_DISABLE_DEPRECATED for development versions
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if gst_version_is_dev
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message('Disabling deprecated GLib API')
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add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
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endif
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cast_checks = get_option('gobject-cast-checks')
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if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
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message('Disabling GLib cast checks')
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add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
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endif
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glib_asserts = get_option('glib-asserts')
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if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
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message('Disabling GLib asserts')
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add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
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endif
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glib_checks = get_option('glib-checks')
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if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
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message('Disabling GLib checks')
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add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
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endif
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check_headers = [
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['HAVE_DLFCN_H', 'dlfcn.h'],
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['HAVE_FCNTL_H', 'fcntl.h'],
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['HAVE_INTTYPES_H', 'inttypes.h'],
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['HAVE_MEMORY_H', 'memory.h'],
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['HAVE_NETINET_IN_H', 'netinet/in.h'],
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['HAVE_NETINET_IP_H', 'netinet/ip.h'],
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['HAVE_NETINET_TCP_H', 'netinet/tcp.h'],
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['HAVE_PTHREAD_H', 'pthread.h'],
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['HAVE_STDINT_H', 'stdint.h'],
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['HAVE_STDLIB_H', 'stdlib.h'],
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['HAVE_STRINGS_H', 'strings.h'],
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['HAVE_STRING_H', 'string.h'],
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['HAVE_SYS_PARAM_H', 'sys/param.h'],
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['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
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['HAVE_SYS_STAT_H', 'sys/stat.h'],
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['HAVE_SYS_TIME_H', 'sys/time.h'],
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['HAVE_SYS_TYPES_H', 'sys/types.h'],
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['HAVE_SYS_UTSNAME_H', 'sys/utsname.h'],
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['HAVE_UNISTD_H', 'unistd.h'],
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['HAVE_WINDOWS_H', 'windows.h'],
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['HAVE_WINSOCK2_H', 'winsock2.h'],
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['HAVE_WS2TCPIP_H', 'ws2tcpip.h'],
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]
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foreach h : check_headers
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if cc.has_header(h.get(1))
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cdata.set(h.get(0), 1)
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endif
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endforeach
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check_functions = [
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['HAVE_DCGETTEXT', 'dcgettext'],
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['HAVE_GETPAGESIZE', 'getpagesize'],
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['HAVE_GMTIME_R', 'gmtime_r'],
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['HAVE_MEMFD_CREATE', 'memfd_create'],
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['HAVE_MMAP', 'mmap'],
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['HAVE_PIPE2', 'pipe2'],
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['HAVE_GETRUSAGE', 'getrusage', '#include<sys/resource.h>'],
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]
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foreach f : check_functions
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prefix = ''
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if f.length() == 3
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prefix = f.get(2)
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endif
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if cc.has_function(f.get(1), prefix: prefix)
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cdata.set(f.get(0), 1)
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endif
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endforeach
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cdata.set('SIZEOF_CHAR', cc.sizeof('char'))
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cdata.set('SIZEOF_INT', cc.sizeof('int'))
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cdata.set('SIZEOF_LONG', cc.sizeof('long'))
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cdata.set('SIZEOF_SHORT', cc.sizeof('short'))
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cdata.set('SIZEOF_VOIDP', cc.sizeof('void*'))
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cdata.set_quoted('VERSION', gst_version)
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cdata.set_quoted('PACKAGE', 'gst-plugins-bad')
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cdata.set_quoted('PACKAGE_VERSION', gst_version)
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cdata.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/new')
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cdata.set_quoted('PACKAGE_NAME', 'GStreamer Bad Plug-ins')
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cdata.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-bad-1.0')
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cdata.set_quoted('GST_API_VERSION', api_version)
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cdata.set_quoted('GST_LICENSE', 'LGPL')
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cdata.set_quoted('LIBDIR', join_paths(get_option('prefix'), get_option('libdir')))
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cdata.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
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warning_flags = [
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'-Wmissing-declarations',
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'-Wredundant-decls',
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'-Wwrite-strings',
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'-Wformat',
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'-Wformat-security',
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'-Winit-self',
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'-Wmissing-include-dirs',
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'-Waddress',
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'-Wno-multichar',
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'-Wvla',
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'-Wpointer-arith',
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]
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warning_c_flags = [
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'-Wmissing-prototypes',
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'-Wdeclaration-after-statement',
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'-Wold-style-definition',
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]
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warning_cxx_flags = [
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'-Wformat-nonliteral',
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]
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foreach extra_arg : warning_c_flags
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if cc.has_argument (extra_arg)
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add_project_arguments([extra_arg], language: 'c')
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endif
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endforeach
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foreach extra_arg : warning_cxx_flags
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if cxx.has_argument (extra_arg)
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add_project_arguments([extra_arg], language: 'cpp')
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endif
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endforeach
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foreach extra_arg : warning_flags
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if cc.has_argument (extra_arg)
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add_project_arguments([extra_arg], language: 'c')
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endif
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if cxx.has_argument (extra_arg)
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add_project_arguments([extra_arg], language: 'cpp')
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endif
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endforeach
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# GStreamer package name and origin url
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gst_package_name = get_option('package-name')
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if gst_package_name == ''
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if gst_version_nano == 0
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gst_package_name = 'GStreamer Bad Plug-ins source release'
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elif gst_version_nano == 1
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gst_package_name = 'GStreamer Bad Plug-ins git'
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else
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gst_package_name = 'GStreamer Bad Plug-ins prerelease'
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endif
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endif
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cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
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cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
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# FIXME: This should be exposed as a configuration option
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if host_system == 'linux'
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cdata.set_quoted('DEFAULT_VIDEOSRC', 'v4l2src')
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elif ['darwin', 'ios'].contains(host_system)
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cdata.set_quoted('DEFAULT_VIDEOSRC', 'avfvideosrc')
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cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
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# Yes, we set this for iOS too. Same as Autotools.
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cdata.set('HAVE_OSX', 1)
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else
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cdata.set_quoted('DEFAULT_VIDEOSRC', 'videotestsrc')
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endif
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# Mandatory GST deps
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gst_dep = dependency('gstreamer-1.0', version : gst_req,
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fallback : ['gstreamer', 'gst_dep'])
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gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
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fallback : ['gstreamer', 'gst_base_dep'])
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gstnet_dep = dependency('gstreamer-net-1.0', version : gst_req,
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fallback : ['gstreamer', 'gst_net_dep'])
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gstcontroller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
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fallback : ['gstreamer', 'gst_controller_dep'])
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gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'pbutils_dep'])
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gstallocators_dep = dependency('gstreamer-allocators-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'allocators_dep'])
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gstapp_dep = dependency('gstreamer-app-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'app_dep'])
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gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'audio_dep'])
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gstfft_dep = dependency('gstreamer-fft-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'fft_dep'])
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gstriff_dep = dependency('gstreamer-riff-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'riff_dep'])
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gstrtp_dep = dependency('gstreamer-rtp-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'rtp_dep'])
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gstrtsp_dep = dependency('gstreamer-rtsp-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'rtsp_dep'])
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gstsdp_dep = dependency('gstreamer-sdp-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'sdp_dep'])
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gsttag_dep = dependency('gstreamer-tag-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'tag_dep'])
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gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'video_dep'])
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gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
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required : get_option('tests'),
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fallback : ['gstreamer', 'gst_check_dep'])
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# GStreamer OpenGL
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gstgl_dep = dependency('gstreamer-gl-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'gstgl_dep'], required: get_option('gl'))
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gstglproto_dep = dependency('gstreamer-gl-prototypes-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'gstglproto_dep'], required: get_option('gl'))
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gstglx11_dep = dependency('', required : false)
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gstglwayland_dep = dependency('', required : false)
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gstglegl_dep = dependency('', required : false)
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if gstgl_dep.found()
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if gstgl_dep.type_name() == 'pkgconfig'
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gst_gl_apis = gstgl_dep.get_pkgconfig_variable('gl_apis').split()
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gst_gl_winsys = gstgl_dep.get_pkgconfig_variable('gl_winsys').split()
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gst_gl_platforms = gstgl_dep.get_pkgconfig_variable('gl_platforms').split()
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else
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gstbase = subproject('gst-plugins-base')
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gst_gl_apis = gstbase.get_variable('enabled_gl_apis')
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gst_gl_winsys = gstbase.get_variable('enabled_gl_winsys')
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gst_gl_platforms = gstbase.get_variable('enabled_gl_platforms')
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endif
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message('GStreamer OpenGL window systems: @0@'.format(' '.join(gst_gl_winsys)))
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message('GStreamer OpenGL platforms: @0@'.format(' '.join(gst_gl_platforms)))
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message('GStreamer OpenGL apis: @0@'.format(' '.join(gst_gl_apis)))
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foreach ws : ['x11', 'wayland', 'android', 'cocoa', 'eagl', 'win32', 'dispmanx', 'viv_fb']
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set_variable('gst_gl_have_window_@0@'.format(ws), gst_gl_winsys.contains(ws))
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endforeach
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foreach p : ['glx', 'egl', 'cgl', 'eagl', 'wgl']
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set_variable('gst_gl_have_platform_@0@'.format(p), gst_gl_platforms.contains(p))
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endforeach
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foreach api : ['gl', 'gles2']
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set_variable('gst_gl_have_api_@0@'.format(api), gst_gl_apis.contains(api))
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endforeach
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# Behind specific checks because meson fails at optional dependencies with a
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# fallback to the same subproject. On the first failure, meson will never
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# check the system again even if the fallback never existed.
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# Last checked with meson 0.54.3
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if gst_gl_have_window_x11
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gstglx11_dep = dependency('gstreamer-gl-x11-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'gstglx11_dep'], required: true)
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endif
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if gst_gl_have_window_wayland
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gstglwayland_dep = dependency('gstreamer-gl-wayland-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'gstglwayland_dep'], required: true)
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endif
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if gst_gl_have_platform_egl
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gstglegl_dep = dependency('gstreamer-gl-egl-1.0', version : gst_req,
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fallback : ['gst-plugins-base', 'gstglegl_dep'], required: true)
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endif
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endif
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libm = cc.find_library('m', required : false)
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glib_dep = dependency('glib-2.0', version : glib_req, fallback: ['glib', 'libglib_dep'])
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gmodule_dep = dependency('gmodule-2.0', fallback: ['glib', 'libgmodule_dep'])
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gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
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# gio-unix-2.0 is used by sys/bluez
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# Optional dep of ext/gl and gst/librfb
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x11_dep = dependency('x11', required : get_option('x11'))
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if x11_dep.found()
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cdata.set('HAVE_X11', 1)
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endif
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if host_machine.system() == 'windows'
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winsock2 = [cc.find_library('ws2_32')]
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else
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winsock2 = []
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endif
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if ['darwin', 'ios'].contains(host_system)
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if not have_objc
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error('Building on MacOS/iOS/etc requires an ObjC compiler')
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endif
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if host_system == 'ios'
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cdata.set('HAVE_IOS', 1)
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endif
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avfoundation_dep = dependency('AVFoundation', required : false)
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if avfoundation_dep.found()
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cdata.set('HAVE_AVFOUNDATION', 1)
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endif
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videotoolbox_dep = dependency('VideoToolbox', required : false)
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if videotoolbox_dep.found()
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cdata.set('HAVE_VIDEOTOOLBOX', 1)
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endif
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# FIXME: framework.version() returns 'unknown'
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# if videotoolbox_dep.version().version_compare('>=10.9.6')
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# cdata.set('HAVE_VIDEOTOOLBOX_10_9_6', 1)
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# endif
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endif
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have_orcc = false
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orcc_args = []
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orc_targets = []
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# Used by various libraries/elements that use Orc code
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orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'),
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fallback : ['orc', 'orc_dep'])
|
|
orcc = find_program('orcc', required : get_option('orc'))
|
|
if orc_dep.found() and orcc.found()
|
|
have_orcc = true
|
|
orcc_args = [orcc, '--include', 'glib.h']
|
|
cdata.set('HAVE_ORC', 1)
|
|
else
|
|
message('Orc Compiler not found or disabled, will use backup C code')
|
|
cdata.set('DISABLE_ORC', 1)
|
|
endif
|
|
cdata.set('GST_ENABLE_EXTRA_CHECKS', not get_option('extra-checks').disabled())
|
|
|
|
gnustl_dep = declare_dependency()
|
|
if host_system == 'android'
|
|
gnustl_dep = dependency('gnustl', required : false)
|
|
endif
|
|
|
|
# Disable compiler warnings for unused variables and args if gst debug system is disabled
|
|
if gst_dep.type_name() == 'internal'
|
|
gst_debug_disabled = not subproject('gstreamer').get_variable('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
|
|
message('GStreamer debug system is disabled')
|
|
if cc.has_argument('-Wno-unused')
|
|
add_project_arguments('-Wno-unused', language: 'c')
|
|
endif
|
|
if cxx.has_argument ('-Wno-unused')
|
|
add_project_arguments('-Wno-unused', language: 'cpp')
|
|
endif
|
|
else
|
|
message('GStreamer debug system is enabled')
|
|
endif
|
|
|
|
gst_plugins_bad_args = ['-DHAVE_CONFIG_H']
|
|
configinc = include_directories('.')
|
|
libsinc = include_directories('gst-libs')
|
|
|
|
python3 = import('python').find_installation()
|
|
|
|
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_1.0", "@0@", TRUE);'.format(meson.current_build_dir() + '/gir_empty_registry.reg') + \
|
|
'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
|
|
'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
|
|
'gst_init(NULL,NULL);', '--quiet']
|
|
|
|
presetdir = join_paths(get_option('datadir'), 'gstreamer-' + api_version, 'presets')
|
|
|
|
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
|
|
|
|
subdir('gst-libs')
|
|
subdir('gst')
|
|
subdir('sys')
|
|
subdir('ext')
|
|
subdir('tests')
|
|
subdir('data')
|
|
subdir('tools')
|
|
subdir('pkgconfig')
|
|
|
|
if have_orcc
|
|
update_orc_dist_files = find_program('scripts/update-orc-dist-files.py')
|
|
|
|
orc_update_targets = []
|
|
foreach t : orc_targets
|
|
orc_name = t.get('name')
|
|
orc_file = t.get('orc-source')
|
|
header = t.get('header')
|
|
source = t.get('source')
|
|
# alias_target() only works with build targets, so can't use run_target() here
|
|
orc_update_targets += [
|
|
custom_target('update-orc-@0@'.format(orc_name),
|
|
input: [header, source],
|
|
command: [update_orc_dist_files, orc_file, header, source],
|
|
output: ['@0@-dist.c'.format(orc_name)]) # not entirely true
|
|
]
|
|
endforeach
|
|
|
|
if meson.version().version_compare('>= 0.52') and orc_update_targets.length() > 0
|
|
update_orc_dist_target = alias_target('update-orc-dist', orc_update_targets)
|
|
endif
|
|
endif
|
|
|
|
# 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('gst-plugins-bad.doap'))
|
|
if run_result.returncode() == 0
|
|
release_date = run_result.stdout().strip()
|
|
cdata.set_quoted('GST_PACKAGE_RELEASE_DATETIME', release_date)
|
|
message('Package release date: ' + release_date)
|
|
else
|
|
# Error out if our release can't be found in the .doap file
|
|
error(run_result.stderr())
|
|
endif
|
|
endif
|
|
|
|
configure_file(output : 'config.h', configuration : cdata)
|
|
|
|
run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
|
|
|
|
subdir('docs')
|
|
|
|
if meson.version().version_compare('>= 0.54')
|
|
plugin_names = []
|
|
foreach plugin: plugins
|
|
# FIXME: Use str.subtring() when we can depend on Meson 0.56
|
|
split = plugin.name().split('gst')
|
|
if split.length() == 2
|
|
plugin_names += [split[1]]
|
|
else
|
|
warning('Need substring API in meson >= 0.56 to properly parse plugin name: ' + plugin.name())
|
|
plugin_names += [plugin.name()]
|
|
endif
|
|
endforeach
|
|
summary({'Plugins':plugin_names}, list_sep: ', ')
|
|
endif
|