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meson: detect kernel version

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Add kernel version detection to warn user
that only >= 5.0.0 V4L API are supported in
libcamera.

Signed-off-by: Stéphane Cerveau <scerveau@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Stéphane Cerveau 2020-06-12 13:24:22 +02:00 • committed by Kieran Bingham
parent 34540a6f03
commit 348e94debc
1 changed files with 11 additions and 0 deletions
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11
meson.build
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@ -105,6 +105,17 @@ if get_option('test')
subdir('test')
endif
if not meson.is_cross_build()
kernel_version_req = '>= 5.0.0'
kernel_version = run_command('uname', '-r').stdout().strip()
if not kernel_version.version_compare(kernel_version_req)
warning('The current running kernel version @0@ is too old to run libcamera.'
.format(kernel_version))
warning('If you intend to use libcamera on this machine, please upgrade to a kernel @0@.'
.format(kernel_version_req))
endif
endif
# Create a symlink from the build root to the source root. This is used when
# running libcamera from the build directory to locate resources in the source
# directory (such as IPA configuration files).