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meson: prevent sandbox violation if GStreamer and wayland-protocols are subprojects

Browse source 
Suppose you have a project where GStreamer and wayland-protocols are
pulled in as dependencies via .wrap files. In that case, Meson's setup
step will fail for gst-plugins-bad with the message "Sandbox violation:
Tried to grab file viewporter.xml outside current (sub)project." To
avoid this exception, one should use Meson's `files` and `join_paths`
functions. The suggested solution is identical to how GTK 4 processes
Wayland files.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5593>
This commit is contained in:
Slava Andrejev 2023-11-02 18:41:15 -07:00 committed by GStreamer Marge Bot
parent 6f8b9574f2
commit c48e96fd76
1 changed files with 35 additions and 19 deletions
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54
subprojects/gst-plugins-bad/gst-libs/gst/wayland/meson.build
View file

@ -7,7 +7,7 @@ wl_scanner = find_program('wayland-scanner', required: get_option('wayland'))
use_wayland = wl_protocol_dep.found() and wl_client_dep.found() and wl_scanner.found() and libdrm_dep.found()
if use_wayland
wl_sources = [
wl_sources = files([
'gstwlbuffer.c',
'gstwlcontext.c',
'gstwldisplay.c',
@ -16,9 +16,9 @@ if use_wayland
'gstwlvideobufferpool.c',
'gstwlvideoformat.c',
'gstwlwindow.c',
]
])
wl_headers = [
wl_headers = files([
'gstwl_fwd.h',
'gstwlbuffer.h',
'gstwlcontext.h',
@ -30,32 +30,48 @@ if use_wayland
'gstwlwindow.h',
'wayland.h',
'wayland-prelude.h',
]
])
protocols_datadir = wl_protocol_dep.get_variable('pkgdatadir')
protocol_defs = [
['/stable/viewporter/viewporter.xml', 'viewporter-protocol.c', 'viewporter-client-protocol.h'],
['/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml',
'linux-dmabuf-unstable-v1-protocol.c', 'linux-dmabuf-unstable-v1-client-protocol.h'],
['/unstable/fullscreen-shell/fullscreen-shell-unstable-v1.xml',
'fullscreen-shell-unstable-v1-protocol.c', 'fullscreen-shell-unstable-v1-client-protocol.h'],
['/stable/xdg-shell/xdg-shell.xml', 'xdg-shell-protocol.c', 'xdg-shell-client-protocol.h'],
['viewporter', 'stable', ],
['linux-dmabuf', 'unstable', 'v1', ],
['fullscreen-shell', 'unstable', 'v1', ],
['xdg-shell', 'stable', ]
]
protocols_files = []
foreach protodef: protocol_defs
xmlfile = protocols_datadir + protodef.get(0)
proto_name = protodef.get(0)
proto_stability = protodef.get(1)
if proto_stability == 'stable'
output_base = proto_name
else
proto_version = protodef.get(2)
output_base = f'@proto_name@-@proto_stability@-@proto_version@'
endif
input = protocols_datadir / proto_stability / proto_name / f'@output_base@.xml'
protocols_files += [custom_target(protodef.get(1),
output : protodef.get(1),
input : xmlfile,
command : [wl_scanner, 'code', '@INPUT@', '@OUTPUT@'])]
protocols_files += [custom_target(f'@output_base@ client header',
input: input,
output: f'@output_base@-client-protocol.h',
command: [
wl_scanner,
'client-header',
'@INPUT@', '@OUTPUT@',
],
)]
protocols_files += [custom_target(protodef.get(2),
output : protodef.get(2),
input : xmlfile,
command : [wl_scanner, 'client-header', '@INPUT@', '@OUTPUT@'])]
protocols_files += [custom_target(f'@output_base@ source',
input: input,
output: f'@output_base@-protocol.c',
command: [
wl_scanner,
'code',
'@INPUT@', '@OUTPUT@',
],
)]
endforeach
extra_c_args = [