Index: gcc-4.0.0/Makefile.in
===================================================================
--- gcc-4.0.0.orig/Makefile.in	2005-04-21 09:04:10.000000000 +0200
+++ gcc-4.0.0/Makefile.in	2006-08-06 13:14:07.000000000 +0200
@@ -197,6 +197,7 @@
 	AS="$(AS_FOR_TARGET)"; export AS; \
 	CC="$(CC_FOR_TARGET)"; export CC; \
 	CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
+	CPP="$(CC_FOR_TARGET) -E"; export CPP; \
 	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
 	CPPFLAGS="$(CPPFLAGS_FOR_TARGET)"; export CPPFLAGS; \
 	CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \