diff -urN gcc-4.3-4.3.3/debian/rules.defs gcc-4.3-4.3.3.cross/debian/rules.defs
--- gcc-4.3-4.3.3/debian/rules.defs	2009-04-04 21:49:03.000000000 +0000
+++ gcc-4.3-4.3.3.cross/debian/rules.defs	2009-04-04 21:56:35.000000000 +0000
@@ -1151,7 +1151,7 @@
   with_java_plugin := no
 endif
 
-ifdef DEB_CROSS_NO_BIARCH
+ifeq ($(DEB_CROSS_NO_BIARCH),yes)
   with_lib64gcc		:= no
   with_lib64cxx		:= no
   with_lib64objc	:= no
diff -urN gcc-4.3-4.3.3/debian/rules2 gcc-4.3-4.3.3.cross/debian/rules2
--- gcc-4.3-4.3.3/debian/rules2	2009-04-04 21:57:47.000000000 +0000
+++ gcc-4.3-4.3.3.cross/debian/rules2	2009-04-04 21:49:03.000000000 +0000
@@ -1765,13 +1765,11 @@
 #endif
 
 ifeq ($(DEB_CROSS),yes)
- ifeq ($(DEB_CROSS_NO_BIARCH),yes)
   ifeq ($(DEB_TARGET_ARCH),s390)
 	: # s390 64bit stuff happens to be in s390x-linux-gnu/lib64/
 	mkdir -p $(d)/$(PF)/s390-linux-gnu/lib64
 	cp -a $(d)/$(PF)/s390x-linux-gnu/lib64/* $(d)/$(PF)/s390-linux-gnu/lib64/
   endif
- endif
 endif
 
 	chmod 755 debian/dh_*