--- qp10.0.orig/configure	2016-06-07 02:54:42.000000000 +0200
+++ qp10.0/configure	2016-10-03 18:30:22.360786524 +0200
@@ -2256,12 +2256,16 @@
 #
 # Check for addtional command line options.
 #
-DEBUGGING=" -DNDEBUG "
 # Check whether --enable-debug was given.
 if test "${enable_debug+set}" = set; then :
-  enableval=$enable_debug;  DEBUGGING=
+  enableval=$enable_debug;
 fi
 
+if test "$enable_debug" = yes; then
+	DEBUGGING=
+else
+	DEBUGGING=" -DNDEBUG "
+fi
 
 
 # Single versus multiple thread configuraation.