X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fcompiler-gcc4.h;h=450fa597c94d22dce8cf28d6387d04145c046f97;hb=bc47ab0241c7c86da4f5e5f82fbca7d45387c18d;hp=aa426214331bb81002113692a42a0580316d12fa;hpb=f153b82121b0366fe0e5f9553545cce237335175;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index aa42621..450fa59 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -2,6 +2,13 @@
 #error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
 #endif
 
+/* GCC 4.1.[01] miscompiles __weak */
+#ifdef __KERNEL__
+# if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
+#  error Your version of gcc miscompiles the __weak directive
+# endif
+#endif
+
 #define __used			__attribute__((__used__))
 #define __must_check 		__attribute__((warn_unused_result))
 #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)