kernel: introduce GCC_VERSION_LOWER macro
PATCH 2/7 kernel: introduce GCC_VERSION_LOWER macro
From: Peter Oberparleiter <[email protected]>
GCC_VERSION_LOWER() can be used to check for gcc versions below a certain level.
Signed-off-by Peter Oberparleiter <[email protected]>
--- include/linux/compiler-gcc.h | 3 +++ 1 file changed, 3 insertions(+)
include/linux/compiler-gcc.h +3 -0
@@ -6,6 +6,9 @@* Common definitions for all gcc versions go here. */ +#define GCC_VERSION_LOWER (major, minor) ((__GNUC__ < major) || \ + (__GNUC__ == major) && \ + (__GNUC_MINOR__ < minor))/* Optimization barrier */ /* The "volatile" is due to gcc bugs */