Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
[sfrench/cifs-2.6.git] / include / linux / compiler-gcc3.h
index 1698b845761f0127b640135e783b5f7ed0758a62..e5eb795f78a1c9b22f2c9c474b80c32a0cfff810 100644 (file)
@@ -1,16 +1,24 @@
-/* Never include this file directly.  Include <linux/compiler.h> instead.  */
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
+#endif
 
 /* These definitions are for GCC v3.x.  */
 #include <linux/compiler-gcc.h>
 
 #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))