compiler-gcc4: conditionalize #error on __KERNEL__
Impact: Fix for exported headers
We only want to error out on specific gcc versions if we are actually
building the kernel, so conditionalize the #if...#error on __KERNEL__.
Based on a patchset by Arnd Bergmann <arnd@arndb.de>.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 0999271..450fa59 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -3,8 +3,10 @@
#endif
/* GCC 4.1.[01] miscompiles __weak */
-#if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
-# error Your version of gcc miscompiles the __weak directive
+#ifdef __KERNEL__
+# if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
+# error Your version of gcc miscompiles the __weak directive
+# endif
#endif
#define __used __attribute__((__used__))