Index: Makefile.tpl
===================================================================
--- Makefile.tpl	(revision 162037)
+++ Makefile.tpl	(working copy)
@@ -238,6 +238,7 @@
 POSTSTAGE1_CXX_EXPORT = \
 	CXX="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/g++$(exeext) \
 	  -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ -nostdinc++ \
+	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
 	  -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include/$(TARGET_SUBDIR) \
 	  -I$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include \
 	  -I$$s/libstdc++-v3/libsupc++ \