--- config.h.in.orig	2010-04-10 19:23:05 UTC
+++ config.h.in
@@ -268,7 +268,9 @@
 #undef _REENTRANT
 
 /* */
+#ifndef __cplusplus
 #undef bool
+#endif
 
 /* Define to empty if `const' does not conform to ANSI C. */
 #undef const