checkpatch: emit an error when using predefined timestamp macros
Since commit fe7c36c7 ("Makefile: Build with -Werror=date-time if the compiler supports it"), use of __DATE__, __TIME__, and __TIMESTAMP__ has not been allowed. As this test is gcc version specific (> 4.9), it hasn't prevented a few new uses from creeping into the kernel sources. Make checkpatch complain about them. Signed-off-by: Joe Perches <joe@perches.com> Original-patch-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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