[libcamera-devel] [PATCH] meson: detect kernel version
Stéphane Cerveau
scerveau at collabora.com
Wed Jun 10 17:37:44 CEST 2020
Add kernel version detection to warn user
that only > 5.0.0 V4L API are supported in
libcamera.
Signed-off-by: Stéphane Cerveau <scerveau at collabora.com>
---
meson.build | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/meson.build b/meson.build
index e898782..5063edb 100644
--- a/meson.build
+++ b/meson.build
@@ -105,6 +105,12 @@ if get_option('test')
subdir('test')
endif
+kernel_version_req = '>= 5.0.0'
+kernel_version = run_command('uname', '-r').stdout()
+if not kernel_version.version_compare(kernel_version_req)
+ warning('V4L2 API version @0@ is too old, @1@ is required, consider to upgrade your kernel version to use libcamera'.format(kernel_version, kernel_version_req))
+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).
--
2.17.1
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