--- ./kdecore/io/kdebug.cpp.orig	2010-02-16 17:14:36.543804837 +0100
+++ ./kdecore/io/kdebug.cpp	2010-02-16 17:14:52.342120963 +0100
@@ -88,7 +88,7 @@
 // normally (check_function_exists fails), but we know it's there.
 // For better results, we would use walk_context(), but that's
 // a little more code -- see also the crash handler in kcrash.cpp .
-#define HAVE_BACKTRACE (1)
+// #define HAVE_BACKTRACE (1)
 #endif
 
 #ifdef HAVE_BACKTRACE