diff options
Diffstat (limited to 'support')
-rwxr-xr-x | support/scripts/check-kernel-headers.sh | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/support/scripts/check-kernel-headers.sh b/support/scripts/check-kernel-headers.sh new file mode 100755 index 0000000000..d7fe7d4bc2 --- /dev/null +++ b/support/scripts/check-kernel-headers.sh @@ -0,0 +1,21 @@ +#!/bin/sh + +CC="${1}" +# Make sure we have enough version components +HDR_VER="${2}.0.0" + +HDR_M="${HDR_VER%%.*}" +HDR_V="${HDR_VER#*.}" +HDR_m="${HDR_V%%.*}" + +# We do not want to account for the patch-level, since headers are +# not supposed to change for different patchlevels, so we mask it out. +# This only applies to kernels >= 3.0, but those are the only one +# we actually care about; we treat all 2.6.x kernels equally. + +exec ${CC} -E -x c -o - - >/dev/null 2>&1 <<_EOF_ +#include <linux/version.h> +#if (LINUX_VERSION_CODE & ~0xFF) != KERNEL_VERSION(${HDR_M},${HDR_m},0) +#error Incorrect kernel header version. +#endif +_EOF_ |