backend-drm/meson.build: Require at least mesa 21.1.1
We seem to be using at least mesa 21.1.1 since Weston 10, but we never explicitly asked for it.
Fixes: #790 (closed)
Signed-off-by: Marius Vlad marius.vlad@collabora.com
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We seem to be using at least mesa 21.1.1 since Weston 10, but we never explicitly asked for it.
Fixes: #790 (closed)
Signed-off-by: Marius Vlad marius.vlad@collabora.com