--- sbcl/src/runtime/GNUmakefile.orig	2008-02-20 18:55:26.000000000 +0100
+++ sbcl/src/runtime/GNUmakefile	2008-03-02 15:07:10.000000000 +0100
@@ -23,7 +23,7 @@
 DEPEND_FLAGS = -MM
 GREP = grep
 
-CFLAGS = -g -Wall -Wsign-compare -O3
+CFLAGS = -g -Wall -Wsign-compare -O3 -DSBCL_HOME=\"/usr/lib/sbcl\"
 ASFLAGS = $(CFLAGS)
 CPPFLAGS = -I.