revert accidental checkin

From-SVN: r82609

Makefile.in

@@ -27682,13 +27682,12 @@ all-gcc: configure-gcc
 @if gcc-no-bootstrap
 	r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	cd gcc || exit 0; \
 	$(SET_LIB_PATH) \
 	$(GCC_HOST_EXPORTS) \
 	if [ -f gcc/stage_last ] ; then \
-	  $(MAKE) $(GCC_FLAGS_TO_PASS) quickstrap; \
+	  (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) quickstrap); \
 	else \
-	  $(MAKE) $(GCC_FLAGS_TO_PASS) all; \
+	  (cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) all); \
 	fi
 
 # Building GCC uses some tools for rebuilding "source" files