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project ( 'All GStreamer modules' , 'c' ,
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version : '1.19.1.1' ,
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meson_version : '>= 0.54.0' ,
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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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build_system = build_machine . system ( )
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cc = meson . get_compiler ( 'c' )
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pkgconfig = import ( 'pkgconfig' )
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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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# 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
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documented_projects = ''
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# Make it possible to use msys2 built zlib which fails
# when not using the mingw toolchain as it uses unistd.h
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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
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endif
endif
endif
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endif
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# 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'
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add_global_arguments (
cc . get_supported_arguments ( [ '/utf-8' ] ) , # set the input encoding to utf-8
language : [ 'c' , 'cpp' ] )
endif
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# Ordered list of subprojects (dict has no ordering guarantees)
subprojects = [
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[ 'gstreamer' , { 'build-hotdoc' : true } ] ,
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[ 'gst-plugins-base' , { 'option' : get_option ( 'base' ) , 'build-hotdoc' : true } ] ,
[ 'gst-plugins-good' , { 'option' : get_option ( 'good' ) , 'build-hotdoc' : true } ] ,
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[ 'libnice' , { 'option' : get_option ( 'libnice' ) , 'match_gst_version' : false } ] ,
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[ '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 } ] ,
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[ 'gst-devtools' , { 'option' : get_option ( 'devtools' ) , 'build-hotdoc' : true } ] ,
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[ 'gst-integration-testsuites' , { 'option' : get_option ( 'devtools' ) } ] ,
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[ '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 } ] ,
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[ 'gstreamer-sharp' , { 'option' : get_option ( 'sharp' ) } ] ,
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[ 'pygobject' , { 'option' : get_option ( 'python' ) , 'match_gst_version' : false } ] ,
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[ 'gst-python' , { 'option' : get_option ( 'python' ) } ] ,
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[ 'gst-examples' , { 'option' : get_option ( 'gst-examples' ) , 'match_gst_versions' : false } ] ,
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[ 'gst-plugins-rs' , { 'option' : get_option ( 'rs' ) , 'match_gst_version' : false } ] ,
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]
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symlink = '' '
import os
os . symlink ( os . path . join ( '@1@' , 'subprojects' , '@0@' ) ,
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os . path . join ( '@1@' , '@0@' ) )
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'' '
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if build_system == 'windows'
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subproject ( 'win-flex-bison-binaries' )
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subproject ( 'win-nasm' )
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elif build_system == 'darwin'
subproject ( 'macos-bison-binary' )
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endif
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orc_subproject = subproject ( 'orc' , required : get_option ( 'orc' ) )
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subprojects_names = [ ]
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plugins_doc_caches = [ ]
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orc_update_targets = [ ]
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all_plugins = [ ]
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foreach sp : subprojects
project_name = sp [ 0 ]
build_infos = sp [ 1 ]
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is_required = build_infos . get ( 'option' , true )
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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
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if subproj . found ( )
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plugins = subproj . get_variable ( 'plugins' , [ ] )
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all_plugins + = plugins
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orc_update_targets + = subproj . get_variable ( 'orc_update_targets' , [ ] )
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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
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if not meson . is_cross_build ( ) and build_infos . get ( 'build-hotdoc' , false )
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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
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endif
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endforeach
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# 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
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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 ,
)
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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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documented_projects = ''
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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' ) )
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if not hotdoc_p . found ( )
documented_projects = ''
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message ( 'Not building documentation as hotdoc was not found' )
endif
endif
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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 != ''
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subproject ( 'gst-docs' , required : get_option ( 'doc' ) . enabled ( ) )
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message ( 'Gst docs subprojects: ' + documented_projects )
endif
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all_plugins_paths = [ ]
foreach plugin : all_plugins
all_plugins_paths + = plugin . full_path ( )
endforeach
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# Work around meson bug: https://github.com/mesonbuild/meson/pull/6770
pathsep = host_machine . system ( ) == 'windows' ? ';' : ':'
all_plugins_paths = pathsep . join ( all_plugins_paths )
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generate_plugins_paths = find_program ( 'scripts/generate_plugins_path.py' )
configure_file (
output : 'GstPluginsPath.json' ,
command : [ generate_plugins_paths ,
'@OUTPUT@' ,
all_plugins_paths ]
)
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# 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'
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if not get_option ( 'introspection' ) . disabled ( )
error ( 'GObject Introspection is not supported in static builds. Please use -Dintrospection=disabled' )
endif
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# Generate a .c file which declare and register all built plugins
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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
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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 ,
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'-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' )
]
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)
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gstfull_link_args = cc . get_supported_link_arguments ( [ '-Wl,-Bsymbolic-functions' ] )
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# Get a list of libraries that needs to be exposed in the ABI.
exposed_libs = [ ]
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incdir_deps = [ ]
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foreach name : get_option ( 'gst-full-libraries' ) + [ 'gstreamer' ]
info = libraries_map [ name ]
exposed_libs + = subproject ( info [ 0 ] ) . get_variable ( info [ 1 ] )
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depname = name == 'gstreamer' ? 'gstreamer-1.0' : 'gstreamer-@0@-1.0' . format ( name )
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incdir_deps + = dependency ( depname ) . partial_dependency ( includes : true , sources : true )
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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.
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glib_deps = [ ]
glib_dep = dependency ( 'glib-2.0' )
gobject_dep = dependency ( 'gobject-2.0' )
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if gobject_dep . type_name ( ) == 'internal'
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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 ) ,
]
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else
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glib_deps = [ glib_dep , gobject_dep ]
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endif
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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
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link_deps + = symbol_map
elif cc . get_id ( ) == 'msvc'
warning ( 'FIXME: Provide a def file to publish the public symbols' )
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else
error ( 'Failed to link with version script (' + symbol_map + '), check logs for details' )
endif
endif
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# Build both shared and static library
gstfull = both_libraries ( 'gstreamer-full-1.0' ,
init_static_plugins_c ,
link_with : all_plugins ,
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link_args : gstfull_link_args ,
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link_whole : exposed_libs ,
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dependencies : incdir_deps + glib_deps ,
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link_depends : link_deps ,
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install : true ,
)
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gst_full_dep = declare_dependency ( link_with : gstfull . get_shared_lib ( ) ,
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dependencies : incdir_deps + glib_deps ,
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include_directories : include_directories ( '.' )
)
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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
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pkgconfig . generate ( gstfull ,
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requires : glib_deps ,
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libraries_private : gst_full_libs_private ,
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subdirs : 'gstreamer-1.0' )
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meson . override_dependency ( 'gstreamer-full-1.0' , gst_full_dep )
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endif
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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
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message ( 'Building subprojects: ' + ', ' . join ( subprojects_names ) )
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subdir ( 'tests' )
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setenv = find_program ( 'gst-env.py' )
devenv_cmd = [ setenv , '--builddir=@0@' . format ( meson . build_root ( ) ) ,
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'--gstbuilddir=@0@' . format ( meson . current_build_dir ( ) ) ,
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'--srcdir=@0@' . format ( meson . source_root ( ) ) ]
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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
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run_target ( 'uninstalled' , command : devenv_cmd )
run_target ( 'devenv' , command : devenv_cmd )
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if orc_subproject . found ( ) and orc_update_targets . length ( ) > 0
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alias_target ( 'update-orc-dist' , orc_update_targets )
endif