diff -r 2ca25c6aeafd code/ryzom/client/src/interface_v3/interface_options.h
--- a/code/ryzom/client/src/interface_v3/interface_options.h	Wed May 12 12:48:20 2010 +0200
+++ b/code/ryzom/client/src/interface_v3/interface_options.h	Wed May 12 13:09:02 2010 +0200
@@ -27,6 +27,9 @@
 class UAnimationSet;
 }
 
+#ifdef _Bool
+# undef _Bool
+#endif
 
 // ***************************************************************************
 class CInterfaceOptionValue