mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-02 09:01:02 +00:00
1babccfe50
Since 547570cd79
we do not always build
PyGObject and our development environment is broken when trying to use
GStreamer python when built against system PyGObject with the following
error importing Gst in there:
```
12345678** (gst-plugin-scanner:710617): CRITICAL **: 11:45:02.343: can't find gi.repository.Gst
Traceback (most recent call last):
File "/usr/lib/python3.9/site-packages/gi/repository/__init__.py", line 23, in <module>
from ..importer import DynamicImporter
File "/usr/lib64/python3.9/site-packages/gi/importer.py", line 33, in <module>
from .overrides import load_overrides
ImportError: cannot import name 'load_overrides' from 'gi.overrides' (/var/home/thiblahute/devel/gstreamer/gstreamer/subprojects/gst-editing-services/bindings/python/gi/overrides/__init__.py)
Factory Details:
```
The approach to fixing it is to implement override `gi` in
`gst-python/gi/` which we add to `PYTHONPATH`) and in there reset the
`gi` module to the right place and we get overrides from paths from
`_GI_OVERRIDES_PATH` we set in `gst-env.py` which points to all the
overrides that will be installed.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1155>
393 lines
14 KiB
Meson
393 lines
14 KiB
Meson
project('All GStreamer modules', 'c',
|
|
version : '1.19.2.1',
|
|
meson_version : '>= 0.54.0',
|
|
default_options : ['buildtype=debugoptimized'])
|
|
|
|
gst_version = '>= @0@'.format(meson.project_version())
|
|
|
|
build_system = build_machine.system()
|
|
cc = meson.get_compiler('c')
|
|
|
|
pkgconfig = import('pkgconfig')
|
|
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
|
|
|
|
# Install gst-indent pre-commit hook
|
|
run_command(python3, '-c', 'import shutil; shutil.copy("scripts/git-hooks/multi-pre-commit.hook", ".git/hooks/pre-commit")')
|
|
|
|
# Ensure that the user does not have Strawberry Perl in PATH, since it ships
|
|
# with a pkg-config.bat and broken pkgconfig files for libffi and zlib. Will
|
|
# cause a build error, such as in
|
|
# https://gitlab.freedesktop.org/gstreamer/gst-build/-/issues/41
|
|
ensure_no_strawberry_perl = '''
|
|
import os
|
|
assert(r'Strawberry\perl\bin' not in os.environ['PATH'])
|
|
'''
|
|
if build_system == 'windows'
|
|
cmdres = run_command(python3, '-c', ensure_no_strawberry_perl)
|
|
if cmdres.returncode() != 0
|
|
error('You have Strawberry Perl in PATH which is known to cause build issues with gst-build. Please remove it from PATH or uninstall it.')
|
|
endif
|
|
endif
|
|
|
|
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'
|
|
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
|
|
endif
|
|
|
|
# Ensure that MSVC interprets all source code as UTF-8. Only do this when we're
|
|
# not a subproject, because subprojects are not allowed to call
|
|
# add_global_arguments().
|
|
if not meson.is_subproject() and cc.get_id() == 'msvc'
|
|
add_global_arguments(
|
|
cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
|
|
language: ['c', 'cpp'])
|
|
endif
|
|
|
|
# Ordered list of subprojects (dict has no ordering guarantees)
|
|
subprojects = [
|
|
['gstreamer', {'build-hotdoc': true}],
|
|
['gst-plugins-base', {'option': get_option('base'), 'build-hotdoc': true}],
|
|
['gst-plugins-good', {'option': get_option('good'), 'build-hotdoc': true}],
|
|
['libnice', { 'option': get_option('libnice'), 'match_gst_version': false}],
|
|
['gst-plugins-bad', { 'option': get_option('bad'), 'build-hotdoc': true}],
|
|
['gst-plugins-ugly', { 'option': get_option('ugly'), 'build-hotdoc': true}],
|
|
['gst-libav', { 'option': get_option('libav'), 'build-hotdoc': true}],
|
|
['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}],
|
|
['gstreamer-vaapi', { 'option': get_option('vaapi'), 'build-hotdoc': true}],
|
|
['gst-omx', { 'option': get_option('omx'), 'build-hotdoc': true}],
|
|
['gstreamer-sharp', { 'option': get_option('sharp') }],
|
|
['pygobject', { 'option': get_option('python'), 'match_gst_version': false, 'sysdep': 'pygobject-3.0', 'sysdep_version': '>= 3.38.1' }],
|
|
['gst-python', { 'option': get_option('python')}],
|
|
['gst-examples', { 'option': get_option('gst-examples'), 'match_gst_versions': false}],
|
|
['gst-plugins-rs', { 'option': get_option('rs'), 'match_gst_version': false}],
|
|
]
|
|
|
|
symlink = '''
|
|
import os
|
|
|
|
os.symlink(os.path.join('@1@', 'subprojects', '@0@'),
|
|
os.path.join('@1@', '@0@'))
|
|
'''
|
|
|
|
if build_system == 'windows'
|
|
subproject('win-flex-bison-binaries')
|
|
subproject('win-nasm')
|
|
elif build_system == 'darwin'
|
|
subproject('macos-bison-binary')
|
|
endif
|
|
|
|
orc_subproject = subproject('orc', required: get_option('orc'))
|
|
|
|
subprojects_names = []
|
|
plugins_doc_caches = []
|
|
orc_update_targets = []
|
|
all_plugins = []
|
|
foreach sp : subprojects
|
|
project_name = sp[0]
|
|
build_infos = sp[1]
|
|
is_required = build_infos.get('option', true)
|
|
sysdep = build_infos.get('sysdep', '')
|
|
sysdep_version = build_infos.get('sysdep_version', '')
|
|
match_gst_version = build_infos.get('match_gst_version', true)
|
|
|
|
if match_gst_version
|
|
subproj = subproject(project_name, version: gst_version, required: is_required)
|
|
elif sysdep != ''
|
|
sysdep_dep = dependency(sysdep, version: sysdep_version, required: false)
|
|
if not sysdep_dep.found()
|
|
subproj = subproject(project_name, required: is_required)
|
|
endif
|
|
else
|
|
subproj = subproject(project_name, required: is_required)
|
|
endif
|
|
|
|
if subproj.found()
|
|
plugins = subproj.get_variable('plugins', [])
|
|
all_plugins += plugins
|
|
|
|
orc_update_targets += subproj.get_variable('orc_update_targets', [])
|
|
|
|
subprojects_names += [project_name]
|
|
cmdres = run_command(python3, '-c', symlink.format(project_name, meson.current_source_dir()))
|
|
if cmdres.returncode() == 0
|
|
message('Created symlink to ' + project_name)
|
|
endif
|
|
|
|
if not meson.is_cross_build() and build_infos.get('build-hotdoc', 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
|
|
endforeach
|
|
|
|
# Check if we need to also build glib-networking for TLS modules
|
|
glib_dep = dependency('glib-2.0')
|
|
if glib_dep.type_name() == 'internal'
|
|
subproject('glib-networking', required : get_option('tls'),
|
|
default_options: ['gnutls=auto', 'openssl=auto'])
|
|
endif
|
|
|
|
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,
|
|
)
|
|
|
|
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
|
|
|
|
documented_projects = ''
|
|
message('Documentation not built as building the documentation while cross building or building on windows is not supported yet.')
|
|
else
|
|
hotdoc_p = find_program('hotdoc', required : get_option('doc'))
|
|
if not hotdoc_p.found()
|
|
documented_projects = ''
|
|
message('Not building documentation as hotdoc was not found')
|
|
endif
|
|
endif
|
|
|
|
write_file_contents = '''
|
|
import os
|
|
import sys
|
|
|
|
assert len(sys.argv) >= 3
|
|
fname = sys.argv[1]
|
|
contents = sys.argv[2]
|
|
|
|
with open(fname, 'w') as f:
|
|
f.write(contents)
|
|
'''
|
|
|
|
configure_file(
|
|
output : 'GstDocumentedSubprojects',
|
|
command : [python3,
|
|
'-c', write_file_contents,
|
|
'@OUTPUT@',
|
|
documented_projects]
|
|
)
|
|
|
|
if documented_projects != ''
|
|
subproject('gst-docs', required: get_option('doc').enabled())
|
|
message('Gst docs subprojects: ' + documented_projects)
|
|
endif
|
|
|
|
all_plugins_paths = []
|
|
foreach plugin: all_plugins
|
|
all_plugins_paths += plugin.full_path()
|
|
endforeach
|
|
# Work around meson bug: https://github.com/mesonbuild/meson/pull/6770
|
|
pathsep = host_machine.system() == 'windows' ? ';' : ':'
|
|
all_plugins_paths = pathsep.join(all_plugins_paths)
|
|
|
|
generate_plugins_paths = find_program('scripts/generate_plugins_path.py')
|
|
configure_file(
|
|
output : 'GstPluginsPath.json',
|
|
command : [generate_plugins_paths,
|
|
'@OUTPUT@',
|
|
all_plugins_paths]
|
|
)
|
|
|
|
# FIXME: Create a 'libraries' list in each subproject like we do for 'plugins'
|
|
libraries_map = {
|
|
# name: [subproject_name, variable_name]
|
|
'gstreamer': ['gstreamer', 'libgst'],
|
|
'base': ['gstreamer', 'gst_base'],
|
|
'check': ['gstreamer', 'gst_check'],
|
|
'controller': ['gstreamer', 'gst_controller'],
|
|
'net': ['gstreamer', 'gst_net'],
|
|
|
|
'allocators': ['gst-plugins-base', 'gstallocators'],
|
|
'app': ['gst-plugins-base', 'gstapp'],
|
|
'audio': ['gst-plugins-base', 'gstaudio'],
|
|
'fft': ['gst-plugins-base', 'gstfft'],
|
|
'pbutils': ['gst-plugins-base', 'pbutils'],
|
|
'riff': ['gst-plugins-base', 'gstriff'],
|
|
'rtp': ['gst-plugins-base', 'gst_rtp'],
|
|
'rtsp': ['gst-plugins-base', 'gst_rtsp'],
|
|
'sdp': ['gst-plugins-base', 'gstsdp'],
|
|
'tag': ['gst-plugins-base', 'gsttag'],
|
|
'video': ['gst-plugins-base', 'gstvideo'],
|
|
'gl': ['gst-plugins-base', 'gstgl'],
|
|
|
|
'bad-audio': ['gst-plugins-bad', 'gstbadaudio'],
|
|
'bad-transcoder': ['gst-plugins-bad', 'gst_transcoder'],
|
|
'codecparsers': ['gst-plugins-bad', 'gstcodecparsers'],
|
|
'insertbin': ['gst-plugins-bad', 'gstinsertbin'],
|
|
'mpegts': ['gst-plugins-bad', 'gstmpegts'],
|
|
'player': ['gst-plugins-bad', 'gstplayer'],
|
|
'sctp': ['gst-plugins-bad', 'libgstsctp'],
|
|
'webrtc': ['gst-plugins-bad', 'gstwebrtc'],
|
|
'vulkan': ['gst-plugins-bad', 'gstvulkan'],
|
|
|
|
'rtsp-server': ['gst-rtsp-server', 'gst_rtsp_server'],
|
|
}
|
|
|
|
if get_option('default_library') == 'static'
|
|
if not get_option('introspection').disabled()
|
|
error('GObject Introspection is not supported in static builds. Please use -Dintrospection=disabled')
|
|
endif
|
|
# Generate a .c file which declare and register all built plugins
|
|
plugins_names = []
|
|
foreach plugin: all_plugins
|
|
plugins_names += plugin.full_path()
|
|
endforeach
|
|
all_plugin_names = ';'.join(plugins_names)
|
|
|
|
static_plugins = get_option('gst-full-plugins')
|
|
if static_plugins == '*'
|
|
static_plugins = all_plugin_names
|
|
endif
|
|
generate_init_static_plugins = find_program('scripts/generate_init_static_plugins.py')
|
|
init_static_plugins_c = configure_file(
|
|
output: 'gstinitstaticplugins.c',
|
|
command : [generate_init_static_plugins,
|
|
'-o ' + '@OUTPUT@',
|
|
'-p ' + static_plugins,
|
|
'-e ' + get_option('gst-full-elements'),
|
|
'-t ' + get_option('gst-full-typefind-functions'),
|
|
'-d ' + get_option('gst-full-device-providers'),
|
|
'-T ' + get_option('gst-full-dynamic-types')
|
|
]
|
|
)
|
|
|
|
gstfull_link_args = cc.get_supported_link_arguments(['-Wl,-Bsymbolic-functions'])
|
|
|
|
# Get a list of libraries that needs to be exposed in the ABI.
|
|
exposed_libs = []
|
|
incdir_deps = []
|
|
foreach name : get_option('gst-full-libraries') + ['gstreamer']
|
|
info = libraries_map[name]
|
|
exposed_libs += subproject(info[0]).get_variable(info[1])
|
|
depname = name == 'gstreamer' ? 'gstreamer-1.0' : 'gstreamer-@0@-1.0'.format(name)
|
|
incdir_deps += dependency(depname).partial_dependency(includes: true, sources: true)
|
|
endforeach
|
|
|
|
# glib and gobject are part of our public API. If we are using glib from the
|
|
# system then our pkg-config file must require it. If we built it as
|
|
# subproject then we need to link_whole it.
|
|
glib_deps = []
|
|
glib_dep = dependency('glib-2.0')
|
|
gobject_dep = dependency('gobject-2.0')
|
|
if gobject_dep.type_name() == 'internal'
|
|
glib_subproject = subproject('glib')
|
|
exposed_libs += glib_subproject.get_variable('libglib')
|
|
exposed_libs += glib_subproject.get_variable('libgobject')
|
|
incdir_deps += [
|
|
glib_dep.partial_dependency(includes: true),
|
|
gobject_dep.partial_dependency(includes: true),
|
|
]
|
|
else
|
|
glib_deps = [glib_dep, gobject_dep]
|
|
endif
|
|
|
|
link_deps = []
|
|
if get_option('gst-full-version-script') != ''
|
|
symbol_map = meson.current_source_dir() / get_option('gst-full-version-script')
|
|
link_arg = '-Wl,--version-script=' + symbol_map
|
|
if cc.has_link_argument(link_arg)
|
|
gstfull_link_args += link_arg
|
|
link_deps += symbol_map
|
|
elif cc.get_id() == 'msvc'
|
|
warning('FIXME: Provide a def file to publish the public symbols')
|
|
else
|
|
error('Failed to link with version script (' + symbol_map + '), check logs for details')
|
|
endif
|
|
endif
|
|
|
|
# Build both shared and static library
|
|
gstfull = both_libraries('gstreamer-full-1.0',
|
|
init_static_plugins_c,
|
|
link_with : all_plugins,
|
|
link_args: gstfull_link_args,
|
|
link_whole : exposed_libs,
|
|
dependencies : incdir_deps + glib_deps,
|
|
link_depends : link_deps,
|
|
install : true,
|
|
)
|
|
|
|
gst_full_dep = declare_dependency(link_with: gstfull.get_shared_lib(),
|
|
dependencies : incdir_deps + glib_deps,
|
|
include_directories: include_directories('.')
|
|
)
|
|
gst_full_libs_private = cc.get_supported_link_arguments(['-Wl,--undefined=gst_init_static_plugins'])
|
|
if gst_full_libs_private == []
|
|
warning('The compiler does not support `-Wl,--undefined` linker flag. The method `gst_init_static_plugins` might be dropped during the link stage of an application using libgstreamer-full-1.0.a, preventing plugins registration.')
|
|
endif
|
|
pkgconfig.generate(gstfull,
|
|
requires: glib_deps,
|
|
libraries_private: gst_full_libs_private,
|
|
subdirs : 'gstreamer-1.0')
|
|
meson.override_dependency('gstreamer-full-1.0', gst_full_dep)
|
|
endif
|
|
|
|
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
|
|
|
|
message('Building subprojects: ' + ', '.join(subprojects_names))
|
|
|
|
setenv = find_program('gst-env.py')
|
|
devenv_cmd = [setenv, '--builddir=@0@'.format(meson.build_root()),
|
|
'--gstbuilddir=@0@'.format(meson.current_build_dir()),
|
|
'--srcdir=@0@'.format(meson.source_root())]
|
|
|
|
subdir('tests')
|
|
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)
|
|
|
|
if orc_subproject.found() and orc_update_targets.length() > 0
|
|
alias_target('update-orc-dist', orc_update_targets)
|
|
endif
|