Sanitize gcc version header includes

[linux-2.6-omap-h63xx.git] / include / linux / compiler-gcc3.h

diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
index 1698b845761f0127b640135e783b5f7ed0758a62..2befe6513ce4ab31613d26b22b398bbce627598f 100644 (file)
--- a/include/linux/compiler-gcc3.h
+++ b/include/linux/compiler-gcc3.h
@@ -1,16 +1,21 @@
-/* Never include this file directly.  Include <linux/compiler.h> instead.  */
-
-/* These definitions are for GCC v3.x.  */
-#include <linux/compiler-gcc.h>
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
+#endif
 
 #if __GNUC_MINOR__ >= 3
-# define __attribute_used__    __attribute__((__used__))
+# define __used                        __attribute__((__used__))
 #else
-# define __attribute_used__    __attribute__((__unused__))
+# define __used                        __attribute__((__unused__))
 #endif
 
 #if __GNUC_MINOR__ >= 4
 #define __must_check           __attribute__((warn_unused_result))
 #endif
 
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
 #define __always_inline                inline __attribute__((always_inline))