gstreamer/meson.build
Nirbheek Chauhan eb1345703d meson: Fix disabling of the python support
Cannot call python.dependency() if the python module was not found.
2019-11-07 16:54:32 +05:30

296 lines
10 KiB
Meson

project('gst-editing-services', 'c',
version : '1.17.0.1',
meson_version : '>= 0.48',
default_options : [ 'warning_level=1',
'buildtype=debugoptimized' ])
gst_version = meson.project_version()
version_arr = gst_version.split('.')
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
apiversion = '1.0'
soversion = 0
# maintaining compatibility with the previous libtool versioning
# current = minor * 100 + micro
curversion = gst_version_minor * 100 + gst_version_micro
libversion = '@0@.@1@.0'.format(soversion, curversion)
osxversion = curversion + 1
glib_req = '>= 2.44.0'
gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
cc = meson.get_compiler('c')
cdata = configuration_data()
# 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
if cc.get_id() == 'msvc'
add_project_arguments(
'/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)
language : 'c')
endif
if cc.has_link_argument('-Wl,-Bsymbolic-functions')
add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
endif
# Symbol visibility
if cc.get_id() == 'msvc'
export_define = '__declspec(dllexport) extern'
elif cc.has_argument('-fvisibility=hidden')
add_project_arguments('-fvisibility=hidden', language: 'c')
export_define = 'extern __attribute__ ((visibility ("default")))'
else
export_define = 'extern'
endif
# Passing this through the command line would be too messy
cdata.set('GST_API_EXPORT', export_define)
# Disable strict aliasing
if cc.has_argument('-fno-strict-aliasing')
add_project_arguments('-fno-strict-aliasing', language: 'c')
endif
cdata.set('VERSION', '"@0@"'.format(gst_version))
cdata.set('PACKAGE', '"gst-editing-services"')
cdata.set('PACKAGE_VERSION', '"@0@"'.format(gst_version))
cdata.set('PACKAGE_BUGREPORT', '"http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer"')
cdata.set('PACKAGE_NAME', '"GStreamer Editing Services"')
cdata.set('GST_PACKAGE_NAME', '"GStreamer Editing Services"')
cdata.set('GST_PACKAGE_ORIGIN', '"Unknown package origin"')
cdata.set('GST_LICENSE', '"LGPL"')
# Mandatory GST deps
gst_dep = dependency('gstreamer-' + apiversion, version : gst_req,
fallback : ['gstreamer', 'gst_dep'])
gstpbutils_dep = dependency('gstreamer-pbutils-' + apiversion, version : gst_req,
fallback : ['gst-plugins-base', 'pbutils_dep'])
gstvideo_dep = dependency('gstreamer-video-' + apiversion, version : gst_req,
fallback : ['gst-plugins-base', 'video_dep'])
gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
fallback : ['gstreamer', 'gst_base_dep'])
if host_machine.system() != 'windows'
gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
required : get_option('tests'),
fallback : ['gstreamer', 'gst_check_dep'])
endif
gstcontroller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
fallback : ['gstreamer', 'gst_controller_dep'])
gstvalidate_dep = dependency('gst-validate-1.0', version : gst_req, required : false,
fallback : ['gst-devtools', 'validate_dep'])
gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
libxml_dep = dependency('libxml-2.0', required: get_option('xptv'))
cdata.set('DISABLE_XPTV', not libxml_dep.found())
# TODO Properly port to Gtk 3
# gtk_dep = dependency('gtk+-3.0', required : false)
libges_deps = [gst_dep, gstbase_dep, gstvideo_dep, gstpbutils_dep,
gstcontroller_dep, gio_dep, libxml_dep]
if gstvalidate_dep.found()
libges_deps = libges_deps + [gstvalidate_dep]
cdata.set('HAVE_GST_VALIDATE', 1)
endif
gir = find_program('g-ir-scanner', required : get_option('introspection'))
gnome = import('gnome')
# Fixme, not very elegant.
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**);' + \
'extern void ges_init(void);' + \
'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
'g_setenv("GST_DEBUG", "0", TRUE);' + \
'gst_init(NULL,NULL);' + \
'ges_init();', '--quiet']
has_python = false
if build_gir
pymod = import('python')
python = pymod.find_installation(required: get_option('python'))
if python.found()
python_dep = python.dependency(required : get_option('python'))
else
python_dep = dependency('', required: false)
endif
if python_dep.found()
python_abi_flags = python.get_variable('ABIFLAGS', '')
pylib_loc = get_option('libpython-dir')
error_msg = ''
if not cc.compiles('#include <Python.h>', dependencies: [python_dep])
error_msg = 'Could not compile a simple program against python'
elif pylib_loc == ''
check_path_exists = 'import os, sys; assert(os.path.exists(sys.argv[1]))'
pylib_loc = python.get_variable('LIBPL', '')
if host_machine.system() != 'windows'
pylib_ldlibrary = python.get_variable('LDLIBRARY', '')
if host_machine.system() == 'darwin'
# OSX is a pain. Python as shipped by apple installs libpython in /usr/lib
# so we hardcode that. Other systems can use -Dlibpythondir to
# override this.
pylib_loc = '/usr/lib'
else
if run_command(python, '-c', check_path_exists, join_paths(pylib_loc, pylib_ldlibrary)).returncode() != 0
# Workaround for Fedora
pylib_loc = python.get_variable('LIBDIR', '')
message('pylib_loc = @0@'.format(pylib_loc))
endif
endif
res = run_command(python, '-c', check_path_exists, join_paths(pylib_loc, pylib_ldlibrary))
if res.returncode() != 0
error_msg = '@0@ doesn\' exist, can\'t use python'.format(join_paths(pylib_loc, pylib_ldlibrary))
endif
endif
if error_msg == ''
pylib_suffix = 'so'
if host_machine.system() == 'windows'
pylib_suffix = 'dll'
elif host_machine.system() == 'darwin'
pylib_suffix = 'dylib'
endif
gmodule_dep = dependency('gmodule-2.0')
libges_deps = libges_deps + [python_dep, gmodule_dep]
has_python = true
message('python_abi_flags = @0@'.format(python_abi_flags))
message('pylib_loc = @0@'.format(pylib_loc))
cdata.set('HAS_PYTHON', true)
cdata.set('PY_LIB_LOC', '"@0@"'.format(pylib_loc))
cdata.set('PY_ABI_FLAGS', '"@0@"'.format(python_abi_flags))
cdata.set('PY_LIB_SUFFIX', '"@0@"'.format(pylib_suffix))
cdata.set('PYTHON_VERSION', '"@0@"'.format(python_dep.version()))
else
if get_option('python').enabled()
error(error_msg)
else
message(error_msg)
endif
endif
endif
endif
endif
configure_file(output : 'config.h', configuration : cdata)
ges_c_args = ['-DHAVE_CONFIG_H', '-DG_LOG_DOMAIN="GES"']
plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))
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
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 and cc.has_argument('-Wno-unused')
add_project_arguments('-Wno-unused', language: 'c')
endif
warning_flags = [
'-Wmissing-declarations',
'-Wmissing-prototypes',
'-Wredundant-decls',
'-Wundef',
'-Wwrite-strings',
'-Wformat',
'-Wformat-security',
'-Winit-self',
'-Wmissing-include-dirs',
'-Waddress',
'-Wno-multichar',
'-Wdeclaration-after-statement',
'-Wvla',
'-Wpointer-arith',
]
foreach extra_arg : warning_flags
if cc.has_argument (extra_arg)
add_project_arguments([extra_arg], language: 'c')
endif
endforeach
python3 = import('python').find_installation()
configinc = include_directories('.')
subdir('ges')
subdir('plugins')
subdir('tools')
subdir('pkgconfig')
subdir('tests')
subdir('examples')
subdir('docs')
override_detector = '''
import sys
import os
prefix = sys.argv[1]
version = sys.version_info
# If we are installing in the same prefix as PyGobject
# make sure to install in the right place.
import gi.overrides
overrides_path = os.path.dirname(gi.overrides.__file__)
if os.path.commonprefix([overrides_path, prefix]) == prefix:
print(overrides_path)
exit(0)
# Otherwise follow python's way of install site packages inside
# the provided prefix
if os.name == 'posix':
print(os.path.join(
prefix, 'lib', 'python%d.%d' % (version.major, version.minor),
'site-packages', 'gi', 'overrides'))
else:
print(os.path.join(
prefix, 'Lib', 'Python%d%d' % (version.major, version.minor),
'site-packages', 'gi', 'overrides'))
'''
pygi_override_dir = get_option('pygi-overrides-dir')
if pygi_override_dir == ''
cres = run_command(python3, '-c', override_detector, get_option('prefix'))
if cres.returncode() == 0
pygi_override_dir = cres.stdout().strip()
endif
if cres.stderr() != ''
message(cres.stderr())
endif
endif
if pygi_override_dir != ''
message('pygobject overrides directory ' + pygi_override_dir)
subdir('bindings/python')
endif
run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')