commit 94f582f82a85a941678c80c60a3baa8187c74217
author Robert P. J. Day <rpjday@mindspring.com> Tue Oct 16 23:26:11 2007 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Wed Oct 17 08:42:47 2007 -0700
tree 83653a3a93b9291d658025a800d5fbed00ee484c
parent a36a151e79be1562d6fea3ec4698f23e7102a26f

Force erroneous inclusions of compiler-*.h files to be errors

Replace worthless comments with actual preprocessor errors when including
the wrong versions of the compiler.h files.

[akpm@linux-foundation.org: make it work]
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/compiler-gcc.h

diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 03ec231..acd5833 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -1,4 +1,6 @@
-/* Never include this file directly.  Include <linux/compiler.h> instead.  */
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead."
+#endif
 
 /*
  * Common definitions for all gcc versions go here.