--- rxvt-unicode/src/rxvtutil.h	2006/06/23 14:31:38	1.27
+++ rxvt-unicode/src/rxvtutil.h	2007/11/20 17:44:44	1.30
@@ -11,21 +11,17 @@
 #define PP_STRINGIFY_(a) #a
 #define PP_STRINGIFY(a) PP_STRINGIFY_(a)
 
-// actually, some gcc-3.x versions work, too
-#define HAVE_GCC_BUILTINS (__GNUC__ >= 4)
+#define HAVE_GCC_BUILTINS (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ == 4))
 
-#ifndef __attribute__
-# if __GNUC__
-#  if (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || (__GNUC__ < 2)
-#   define __attribute__(x)
-#  endif
-# endif
-# define __attribute__(x)
+#if __GNUC__ >= 3
+# define rxvt_attribute(x) __attribute__(x)
+#else
+# define rxvt_attribute(x)
 #endif
 
-#define NORETURN __attribute__ ((noreturn))
-#define UNUSED   __attribute__ ((unused))
-#define CONST    __attribute__ ((const))
+#define NORETURN rxvt_attribute ((noreturn))
+#define UNUSED   rxvt_attribute ((unused))
+#define CONST    rxvt_attribute ((const))
 
 // increases code size unless -fno-enforce-eh-specs
 #if __GNUC__
@@ -70,8 +66,8 @@
 
 // some bit functions, xft fuck me plenty
 #if HAVE_GCC_BUILTINS
-static inline int ctz      (unsigned int x) CONST { return __builtin_ctz      (x); }
-static inline int popcount (unsigned int x) CONST { return __builtin_popcount (x); }
+static inline int ctz      (unsigned int x) { return __builtin_ctz      (x); }
+static inline int popcount (unsigned int x) { return __builtin_popcount (x); }
 #else
 // count trailing zero bits and count # of one bits
 int ctz      (unsigned int x) CONST;
@@ -93,7 +89,7 @@
 };
 
 /* simplevec taken (and heavily modified), from:
- * 
+ *
  *  MICO --- a free CORBA implementation
  *  Copyright (C) 1997-98 Kay Roemer & Arno Puder
  */