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When the riscv vector extension is enabled for pixman, it assumes that
the kernel headers also support riscv vector. Apply a patch that
disables riscv vector in pixman if the Linux headers do not support
COMPAT_HWCAP_ISA_V which pixman requires for vector runtime detection.
This issue exists since pixman 0.44.0, which Buildroot started using
in commit ba2fb599cd.
Fixes:
http://autobuild.buildroot.net/results/4ecdf5320716ec8b39f09fde3fcbbdcdb557f8ab/
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>