gstreamer/subprojects/gst-python/meson.build

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project('gst-python', 'c',
version : '1.25.0.1',
meson_version : '>= 1.1',
default_options : [ 'warning_level=1',
'c_std=gnu99',
'buildtype=debugoptimized' ])
gst_version = meson.project_version()
version_arr = gst_version.split('.')
gst_version_major = version_arr[0]
gst_version_minor = version_arr[1]
api_version = '@0@.0'.format(gst_version_major)
host_system = host_machine.system()
cc = meson.get_compiler('c')
add_project_arguments('-DHAVE_CONFIG_H', language: 'c')
gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
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'])
gmodule_dep = dependency('gmodule-no-export-2.0')
libdl = cc.find_library('dl', required: false)
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pygobject_dep = dependency('pygobject-3.0', fallback: ['pygobject', 'pygobject_dep'], version : '>= 3.8')
pymod = import('python')
python = pymod.find_installation(get_option('python'))
pythonver = python.language_version()
if pythonver.version_compare('<3.0')
error('Python2 is not supported anymore, please port your code to python3 (@0@ specified)'.format(python.language_version()))
endif
if pythonver.version_compare('<3.7')
error('Could not find a sufficient python version required: 3.7, found @0@'.format(python.language_version()))
endif
python_dep = python.dependency(embed: true, required: true)
python_abi_flags = python.get_variable('ABIFLAGS', '')
message(f'python_abi_flags = @python_abi_flags@')
pylib_loc = get_option('libpython-dir')
fsmod = import('fs')
pylib_prefix = 'lib'
pylib_suffix = 'so'
if host_system == 'windows'
if cc.get_argument_syntax() == 'msvc'
pylib_prefix = ''
endif
pylib_suffix = 'dll'
elif host_system == 'darwin'
pylib_suffix = 'dylib'
endif
pylib_fnames = []
# Library name with soversion, non-devel package
pylib_fnames += python.get_variable('INSTSONAME', [])
# Library name without soversion, devel package, framework, etc.
pylib_fnames += python.get_variable('LDLIBRARY', [])
# Manually construct name as a fallback
pylib_fnames += [
pylib_prefix + 'python' + python_dep.version() + python_abi_flags + '.' + pylib_suffix
]
if pylib_loc != ''
pylib_locs = [pylib_loc]
else
pylib_locs = [
python.get_variable('LIBDIR', ''),
python.get_variable('LIBPL', ''),
]
endif
pylib_fname = ''
foreach loc: pylib_locs
foreach fname: pylib_fnames
if fsmod.exists(loc / fname)
pylib_fname = fname
message(f'PY_LIB_FNAME = @fname@ (@loc@)')
break
endif
endforeach
endforeach
if pylib_fname == ''
error_msg = 'Could not find python library to load'
if python_opt.enabled()
error(error_msg)
else
message(error_msg)
endif
endif
pygi_override_dir = get_option('pygi-overrides-dir')
if pygi_override_dir == ''
pygi_override_dir = python.get_install_dir(
subdir : join_paths('gi', 'overrides'),
pure: false
)
endif
message('pygobject overrides directory = @0@'.format(pygi_override_dir))
# libdir has to be built from pieces.
libdir = get_option('prefix')+'/'+get_option('libdir')
cdata = configuration_data()
cdata.set_quoted('PACKAGE', 'gst-python')
cdata.set_quoted('VERSION', gst_version)
cdata.set_quoted('GST_PACKAGE_NAME', 'GStreamer Python')
cdata.set_quoted('PACKAGE_NAME', 'GStreamer Python')
cdata.set_quoted('GST_API_VERSION', api_version)
cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
cdata.set_quoted('PY_LIB_FNAME', pylib_fname)
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configure_file(output : 'config.h', configuration : cdata)
configinc = include_directories('.')
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meson.add_dist_script('scripts/gen-changelog.py', meson.project_name(), '1.22.0', meson.project_version())
pkgconfig = import('pkgconfig')
plugins_install_dir = join_paths(libdir, 'gstreamer-1.0')
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('gi')
if not get_option('plugin').disabled()
if get_option('default_library') != 'static'
subdir('plugin')
else
warning('Python plugin not supported with `static` builds yet.')
endif
endif
if not get_option('tests').disabled()
subdir('testsuite')
endif