gstreamer/meson.build

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project('All GStreamer modules', 'c',
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version : '1.17.0.1',
meson_version : '>= 0.48.0',
default_options : ['buildtype=debugoptimized'])
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gst_version = '>= @0@'.format(meson.project_version())
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gst_branch = 'master'
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glib_req = '>= 2.44.0'
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build_system = build_machine.system()
cc = meson.get_compiler('c')
python3 = import('python').find_installation()
# Ensure that we're not being run from inside the gst-uninstalled env
# because that will confuse meson, and it might find the already-built
# gstreamer. It's fine if people run `ninja` as long as it doesn't run
# reconfigure because ninja doesn't care about the env.
ensure_not_uninstalled = '''
import os
assert('GST_ENV' not in os.environ)
'''
cmdres = run_command(python3, '-c', ensure_not_uninstalled)
if cmdres.returncode() != 0
error('Do not run `ninja` or `meson` for gst-build inside the uninstalled environment, you will run into problems')
endif
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documented_projects = ''
# Make it possible to use msys2 built zlib which fails
# when not using the mingw toolchain as it uses unistd.h
if not meson.is_subproject() and cc.get_id() == 'msvc'
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uname = find_program('uname', required: false)
if uname.found()
ret = run_command(uname, '-o')
if ret.returncode() == 0 and ret.stdout().to_lower() == 'msys'
ret = run_command(uname, '-r')
# The kernel version returned by uname is actually the msys version
if ret.returncode() == 0 and ret.stdout().startswith('2')
# If a system zlib is found, disable UNIX features in zlib.h and zconf.h
if cc.find_library('z').found()
add_global_arguments('-DZ_SOLO', language: 'c')
endif
endif
endif
endif
# Change some warning which belong to level 3 (production quality) or
# 4 (informational) to level 1 (severe)
add_global_arguments (
'/w14062', # enumerator 'identifier' in switch of enum 'enumeration' is not handled
'/w14101', # 'identifier' : unreferenced local variable
'/w14189', # 'identifier' : local variable is initialized but not referenced
cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
language: 'c')
endif
# Ordered list of subprojects (dict has no ordering guarantees)
subprojects = [
['gstreamer', {'build-hotdoc': true, 'has-plugins': true}],
['gst-plugins-base', {'build-hotdoc': true, 'has-plugins': true}],
['gst-plugins-good', {'build-hotdoc': true, 'has-plugins': true}],
['libnice', { 'option': get_option('libnice'), 'match_gst_version': false}],
['gst-plugins-bad', { 'option': get_option('bad'), 'build-hotdoc': true, 'has-plugins': true}],
['gst-plugins-ugly', { 'option': get_option('ugly'), 'build-hotdoc': true, 'has-plugins': true}],
['gst-libav', { 'option': get_option('libav'), 'build-hotdoc': true, 'has-plugins': true}],
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['gst-rtsp-server', { 'option': get_option('rtsp_server'), 'build-hotdoc': true }],
['gst-devtools', { 'option': get_option('devtools'), 'build-hotdoc': true }],
['gst-integration-testsuites', { 'option': get_option('devtools') }],
['gst-editing-services', { 'option': get_option('ges'), 'build-hotdoc': true, 'has-plugins': true}],
['gstreamer-vaapi', { 'option': get_option('vaapi'), 'build-hotdoc': true, 'has-plugins': true}],
['gst-omx', { 'option': get_option('omx'), 'build-hotdoc': true, 'has-plugins': true}],
['gstreamer-sharp', { 'option': get_option('sharp') }],
['pygobject', { 'option': get_option('python'), 'match_gst_version': false }],
['gst-python', { 'option': get_option('python'), 'has-plugins': true}],
['gst-examples', { 'option': get_option('gst-examples'), 'match_gst_versions': false}],
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['gst-plugins-rs', { 'option': get_option('rs'), 'has-plugins': true, 'match_gst_version': false}],
]
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symlink = '''
import os
os.symlink(os.path.join('@1@', 'subprojects', '@0@'),
os.path.join('@1@', '@0@'))
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'''
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if build_system == 'windows'
subproject('win-flex-bison-binaries')
subproject('win-nasm')
endif
pathsep = host_machine.system() == 'windows' ? ';' : ':'
subproject('orc', required: get_option('orc'))
subprojects_names = []
plugins_doc_caches = []
all_plugins = ''
foreach sp : subprojects
project_name = sp[0]
build_infos = sp[1]
is_required = build_infos.get('option', true)
match_gst_version = build_infos.get('match_gst_version', true)
if match_gst_version
subproj = subproject(project_name, version: gst_version, required: is_required)
else
subproj = subproject(project_name, required: is_required)
endif
if subproj.found()
# Replace by using subproject.get_variable('plugins', [])
# when https://github.com/mesonbuild/meson/pull/5426/files
# is merged and released
if build_infos.has_key('has-plugins', default: false)
plugins = subproj.get_variable('plugins')
else
plugins = []
endif
foreach plugin: plugins
all_plugins += pathsep + plugin.full_path()
endforeach
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subprojects_names += [project_name]
cmdres = run_command(python3, '-c', symlink.format(project_name, meson.current_source_dir()))
if cmdres.returncode() == 0
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message('Created symlink to ' + project_name)
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endif
if not meson.is_cross_build() and build_infos.has_key('build-hotdoc', default: false)
if plugins.length() > 0
plugins_doc_caches += [subproj.get_variable('plugins_doc_dep')]
endif
if documented_projects != ''
documented_projects += ','
endif
documented_projects += project_name
endif
endif
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endforeach
plugins_doc_dep = custom_target('plugins-doc-cache',
command: [python3, '-c', 'print("Built all doc caches")'],
input: plugins_doc_caches,
output: 'plugins_doc_caches',
capture: true,
)
foreach custom_subproj: get_option('custom_subprojects').split(',')
if custom_subproj != ''
message ('Adding custom subproject ' + custom_subproj)
subproject(custom_subproj)
subprojects_names += [custom_subproj]
endif
endforeach
if meson.is_cross_build() or build_machine.system() == 'windows'
if get_option('doc').enabled()
error('Documentation enabled but building the doc while cross building or building on windows is not supported yet.')
endif
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message('Documentation not built as building the documentation while cross building or building on windows is not supported yet.')
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else
hotdoc_p = find_program('hotdoc', required : get_option('doc'))
if hotdoc_p.found()
if documented_projects != ''
subproject('gst-docs', default_options: 'built_subprojects=' + documented_projects)
message('Gst docs subprojects: ' + documented_projects)
endif
else
message('Not building documentation as hotdoc was not found')
endif
endif
cmdres = run_command(python3, find_program('scripts/generate_plugins_path.py'), '--builddir',
meson.build_root(), all_plugins)
assert(cmdres.returncode() == 0, 'Could not create plugins path: @0@'.format(cmdres.stderr()))
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message('Building subprojects: ' + ', '.join(subprojects_names))
setenv = find_program('gst-env.py')
devenv_cmd = [setenv, '--builddir=@0@'.format(meson.build_root()),
'--srcdir=@0@'.format(meson.source_root())]
if meson.has_exe_wrapper() and build_machine.system() == 'linux' and host_machine.system() == 'windows'
# FIXME: Ideally we could get the wrapper directly from meson
devenv_cmd += ['--wine', host_machine.cpu_family() == 'x86_64' ? 'wine64' : 'wine32']
sysroot = meson.get_cross_property('sys_root')
if sysroot != ''
# Logic from meson
devenv_cmd += ['--winepath', 'Z:' + join_paths(sysroot, 'bin')]
endif
endif
run_target('uninstalled', command : devenv_cmd)
run_target('devenv', command : devenv_cmd)
update = find_program('git-update')
run_target('git-update', command : [update])
run_target('update', command : [update,
'--builddir=@0@'.format(meson.current_build_dir())])