gstreamer/subprojects/gst-plugins-good/meson.build
Eli Schwartz 79c3bbc2ed meson: use better zlib dependency fallback
zlib is required, and if it isn't found it is checked several ways and
then forced via subproject(). This code was added in commit
b93e37592a, to account for systems where
zlib doesn't have pkg-config files installed.

But Meson already does dependency fallback, and also, since 0.54.0, does
the in-between checks for find_library('z') and has_header('zlib.h') via
the "system" type dependency. Simplify dependency lookup by marking it
as required, which also makes sure that the console log doesn't
confusingly list "not found".

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2484>
2022-05-24 19:39:29 +00:00

523 lines
18 KiB
Meson

project('gst-plugins-good', '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_stable = gst_version_minor.is_even()
gst_version_is_dev = gst_version_minor.is_odd() and gst_version_micro < 90
have_cxx = add_languages('cpp', native: false, required: false)
glib_req = '>= 2.56.0'
orc_req = '>= 0.4.17'
if gst_version_is_stable
gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
else
gst_req = '>= ' + gst_version
endif
api_version = '1.0'
plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
plugins = []
cc = meson.get_compiler('c')
host_system = host_machine.system()
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
if have_cxx
add_project_arguments(msvc_args, language: ['c', 'cpp'])
else
add_project_arguments(msvc_args, language: 'c')
endif
# 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
if cc.has_link_argument('-Wl,-Bsymbolic-functions')
add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
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
# 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 = configuration_data()
cdata.set('ENABLE_NLS', 1)
check_headers = [
['HAVE_DLFCN_H', 'dlfcn.h'],
['HAVE_FCNTL_H', 'fcntl.h'],
['HAVE_INTTYPES_H', 'inttypes.h'],
['HAVE_MEMORY_H', 'memory.h'],
['HAVE_PROCESS_H', 'process.h'],
['HAVE_STDINT_H', 'stdint.h'],
['HAVE_STDLIB_H', 'stdlib.h'],
['HAVE_STRINGS_H', 'strings.h'],
['HAVE_STRING_H', 'string.h'],
['HAVE_SYS_IOCTL_H', 'sys/ioctl.h'],
['HAVE_SYS_PARAM_H', 'sys/param.h'],
['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
['HAVE_SYS_STAT_H', 'sys/stat.h'],
['HAVE_SYS_TIME_H', 'sys/time.h'],
['HAVE_SYS_TYPES_H', 'sys/types.h'],
['HAVE_UNISTD_H', 'unistd.h'],
]
foreach h : check_headers
if cc.has_header(h.get(1))
cdata.set(h.get(0), 1)
endif
endforeach
check_functions = [
['HAVE_ASINH', 'asinh', '#include<math.h>'],
['HAVE_CLOCK_GETTIME', 'clock_gettime', '#include<time.h>'],
['HAVE_COSH', 'cosh', '#include<math.h>'],
# 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', '#include<libintl.h>'],
# check token HAVE_DIRECTSOUND
# check token HAVE_EXPERIMENTAL
# check token HAVE_EXTERNAL
# check token HAVE_FPCLASS
# check token HAVE_GCC_ASM
['HAVE_GETPAGESIZE', 'getpagesize', '#include<unistd.h>'],
# check token HAVE_GETTEXT
# check token HAVE_GST_V4L2
['HAVE_ISINF', 'isinf', '#include<math.h>'],
# check token HAVE_LIBV4L2
['HAVE_MMAP', 'mmap', '#include<sys/mman.h>'],
['HAVE_MMAP64', 'mmap64', '#include<sys/mman.h>'],
# check token HAVE_OSX_AUDIO
# check token HAVE_OSX_VIDEO
# check token HAVE_RDTSC
['HAVE_SINH', 'sinh', '#include<math.h>'],
# check token HAVE_WAVEFORM
['HAVE_GMTIME_R', 'gmtime_r', '#include<time.h>'],
]
libm = cc.find_library('m', required : false)
foreach f : check_functions
if cc.has_function(f.get(1), prefix : f.get(2), dependencies : libm)
cdata.set(f.get(0), 1)
endif
endforeach
cdata.set('HAVE_IOS', host_system == 'ios')
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('SIZEOF_OFF_T', cc.sizeof('off_t'))
have_rtld_noload = cc.has_header_symbol('dlfcn.h', 'RTLD_NOLOAD')
cdata.set('HAVE_RTLD_NOLOAD', have_rtld_noload)
# Here be fixmes.
# FIXME: check if this is correct
cdata.set('HAVE_CPU_X86_64', host_machine.cpu() == 'amd64')
cdata.set('HAVE_GCC_ASM', cc.get_id() != 'msvc')
cdata.set_quoted('VERSION', gst_version)
cdata.set_quoted('PACKAGE_VERSION', gst_version)
cdata.set_quoted('GST_LICENSE', 'LGPL')
cdata.set_quoted('PACKAGE', 'gst-plugins-good')
cdata.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-good-1.0')
cdata.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
warning_flags = [
'-Wmissing-declarations',
'-Wredundant-decls',
'-Wwrite-strings',
'-Winit-self',
'-Wmissing-include-dirs',
'-Wno-multichar',
'-Wvla',
'-Wpointer-arith',
]
warning_c_flags = [
'-Wmissing-prototypes',
'-Wdeclaration-after-statement',
'-Wold-style-definition',
'-Waggregate-return',
]
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
# 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 Good Plug-ins source release'
elif gst_version_nano == 1
gst_package_name = 'GStreamer Good Plug-ins git'
else
gst_package_name = 'GStreamer Good Plug-ins prerelease'
endif
endif
cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
# Mandatory GST deps
gst_dep = dependency('gstreamer-1.0', version : gst_req,
fallback : ['gstreamer', 'gst_dep'])
gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
fallback : ['gstreamer', 'gst_base_dep'])
gstnet_dep = dependency('gstreamer-net-1.0', version : gst_req,
fallback : ['gstreamer', 'gst_net_dep'])
gstcontroller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
fallback : ['gstreamer', 'gst_controller_dep'])
gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
required : get_option('tests'),
fallback : ['gstreamer', 'gst_check_dep'])
gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'pbutils_dep'])
gstallocators_dep = dependency('gstreamer-allocators-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'allocators_dep'])
gstapp_dep = dependency('gstreamer-app-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'app_dep'])
gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'audio_dep'])
gstfft_dep = dependency('gstreamer-fft-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'fft_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'])
gstrtsp_dep = dependency('gstreamer-rtsp-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'rtsp_dep'])
gstsdp_dep = dependency('gstreamer-sdp-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'sdp_dep'])
gsttag_dep = dependency('gstreamer-tag-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'tag_dep'])
gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'video_dep'])
# GStreamer OpenGL
# FIXME: automagic
gstgl_dep = dependency('gstreamer-gl-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'gstgl_dep'], required: false)
gstglproto_dep = dependency('', required : false)
gstglx11_dep = dependency('', required : false)
gstglwayland_dep = dependency('', required : false)
gstglegl_dep = dependency('', required : false)
have_gstgl = gstgl_dep.found()
if have_gstgl
if gstgl_dep.type_name() == 'pkgconfig'
gst_gl_apis = gstgl_dep.get_variable('gl_apis').split()
gst_gl_winsys = gstgl_dep.get_variable('gl_winsys').split()
gst_gl_platforms = gstgl_dep.get_variable('gl_platforms').split()
else
gstbase = subproject('gst-plugins-base')
gst_gl_apis = gstbase.get_variable('enabled_gl_apis')
gst_gl_winsys = gstbase.get_variable('enabled_gl_winsys')
gst_gl_platforms = gstbase.get_variable('enabled_gl_platforms')
endif
message('GStreamer OpenGL window systems: @0@'.format(' '.join(gst_gl_winsys)))
message('GStreamer OpenGL platforms: @0@'.format(' '.join(gst_gl_platforms)))
message('GStreamer OpenGL apis: @0@'.format(' '.join(gst_gl_apis)))
foreach ws : ['x11', 'wayland', 'android', 'cocoa', 'eagl', 'win32', 'dispmanx', 'viv_fb']
set_variable('gst_gl_have_window_@0@'.format(ws), gst_gl_winsys.contains(ws))
endforeach
foreach p : ['glx', 'egl', 'cgl', 'eagl', 'wgl']
set_variable('gst_gl_have_platform_@0@'.format(p), gst_gl_platforms.contains(p))
endforeach
foreach api : ['gl', 'gles2']
set_variable('gst_gl_have_api_@0@'.format(api), gst_gl_apis.contains(api))
endforeach
gstglproto_dep = dependency('gstreamer-gl-prototypes-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'gstglproto_dep'], required: true)
# Behind specific checks because meson fails at optional dependencies with a
# fallback to the same subproject. On the first failure, meson will never
# check the system again even if the fallback never existed.
# Last checked with meson 0.54.3
if gst_gl_have_window_x11
gstglx11_dep = dependency('gstreamer-gl-x11-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'gstglx11_dep'], required: true)
endif
if gst_gl_have_window_wayland
gstglwayland_dep = dependency('gstreamer-gl-wayland-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'gstglwayland_dep'], required: true)
endif
if gst_gl_have_platform_egl
gstglegl_dep = dependency('gstreamer-gl-egl-1.0', version : gst_req,
fallback : ['gst-plugins-base', 'gstglegl_dep'], required: true)
endif
endif
zlib_dep = dependency('zlib')
cdata.set('HAVE_ZLIB', true)
gio_dep = dependency('gio-2.0', version: glib_req)
gmodule_dep = dependency('gmodule-no-export-2.0')
gst_plugins_good_args = ['-DHAVE_CONFIG_H']
configinc = include_directories('.')
libsinc = include_directories('gst-libs')
have_orcc = false
orcc_args = []
orc_targets = []
# Used by various libraries/elements that use Orc code
orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'),
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, will use backup C code')
cdata.set('DISABLE_ORC', 1)
endif
have_nasm = false
# FIXME: nasm path needs testing on non-Linux, esp. Windows
host_cpu = host_machine.cpu_family()
if host_cpu == 'x86_64'
if cc.get_define('__ILP32__') == '1'
message('Nasm disabled on x32')
else
asm_option = get_option('asm')
nasm = find_program('nasm', native: true, required: asm_option)
if nasm.found()
# We can't use the version: kwarg for find_program because old versions
# of nasm don't support --version
ret = run_command(nasm, '-v', check: false)
if ret.returncode() == 0
nasm_version = ret.stdout().strip().split()[2]
nasm_req = '>=2.13'
if nasm_version.version_compare(nasm_req)
message('nasm found on x86-64')
cdata.set('HAVE_NASM', 1)
have_nasm = true
else
if asm_option.enabled()
error('asm option is enabled, and nasm @0@ was found, but @1@ is required'.format(nasm_version, nasm_req))
endif
message('nasm @0@ was found, but @1@ is required'.format(nasm_version, nasm_req))
endif
else
if asm_option.enabled()
error('asm option is enabled, but nasm is not usable: @0@\n@1@'.format(ret.stdout(), ret.stderr()))
endif
message('nasm was found, but it\'s not usable')
endif
# Unset nasm to not be 'found'
if not have_nasm
nasm = disabler()
endif
endif
endif
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 have_cxx and cxx.has_argument ('-Wno-unused')
add_project_arguments('-Wno-unused', language: 'cpp')
endif
else
message('GStreamer debug system is enabled')
endif
presetdir = join_paths(get_option('datadir'), 'gstreamer-' + api_version, 'presets')
python3 = import('python').find_installation()
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')
subdir('sys')
subdir('ext')
subdir('tests')
subdir('docs')
if have_orcc and orc_targets.length() > 0
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 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()
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-good.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
if gio_dep.version().version_compare('< 2.67.4')
cdata.set('g_memdup2(ptr,sz)', '(G_LIKELY(((guint64)(sz)) < G_MAXUINT)) ? g_memdup(ptr,sz) : (g_abort(),NULL)')
endif
configure_file(output : 'config.h', configuration : cdata)
plugin_names = []
foreach plugin: plugins
if plugin.name().startswith('gst')
plugin_names += [plugin.name().substring(3)]
else
plugin_names += [plugin.name()]
endif
endforeach
summary({
'Plugins': plugin_names,
}, list_sep: ', ')