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meson: Don't unnecessarily fallback to libyuv wrap

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Before commit eeaa7de21b ("libcamera: pipeline: Add test pattern for
VirtualPipelineHandler") the libyuv dependency was only needed for the
Android adaptation layer. As libyuv isn't packaged by most distribution,
meson fell back to using a meson wrap if the Android adaptation layer
was enabled and the library wasn't found.

With commit eeaa7de21b, libyuv is also used by the virtual pipeline
handler, and the meson wrap fallback handling got centralized and became
unconditional, so the wrap is downloaded even if the components
depending on libyuv are all disabled. This causes unnecessary downloads
at setup time, which can be problematic on build systems without an
internet connection.

Fix this by making the wrap fallback conditional on the components that
use libyuv.

Fixes: eeaa7de21b ("libcamera: pipeline: Add test pattern for VirtualPipelineHandler")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2024-11-25 01:49:11 +02:00
parent ea7f6faefe
commit e5f8d40bad
2 changed files with 6 additions and 5 deletions
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3
src/android/meson.build
View file

@ -4,6 +4,7 @@ android_deps = [
dependency('libexif', required : get_option('android')),
dependency('libjpeg', required : get_option('android')),
libcamera_private,
libyuv_dep,
]
android_enabled = true
@ -15,8 +16,6 @@ foreach dep : android_deps
endif
endforeach
android_deps += [libyuv_dep]
android_hal_sources = files([
'camera3_hal.cpp',
'camera_capabilities.cpp',

8
src/meson.build
View file

@ -27,11 +27,13 @@ else
ipa_sign_module = false
endif
# libyuv, used by the Android adaptation layer and the virtual pipeline handler.
# Fallback to a subproject if libyuv isn't found, as it's typically not provided
# by distributions.
libyuv_dep = dependency('libyuv', required : false)
# Fallback to a subproject if libyuv isn't found, as it's typically not
# provided by distributions.
if not libyuv_dep.found()
if (pipelines.contains('virtual') or get_option('android').allowed()) and \
not libyuv_dep.found()
cmake = import('cmake')
libyuv_vars = cmake.subproject_options()