* gcc/Makefile.in (site.exp): if TESTSUITE_TMPDIR environment
	variable is defined, use it instead of /tmp to define tmpdir.

Index: gcc/Makefile.in
===================================================================
RCS file: /egcs/carton/cvsfiles/egcs/gcc/Makefile.in,v
retrieving revision 1.69
diff -u -r1.69 Makefile.in
--- Makefile.in	1998/02/19 19:12:33	1.69
+++ Makefile.in	1998/03/03 00:22:46
@@ -2445,7 +2445,7 @@
 	else true; \
 	fi
 	@if  [ $(build_canonical) != $(host_canonical) ] ; then \
-	  echo "set tmpdir /tmp" >> ./tmp0 ; \
+	  echo "set tmpdir $${TESTSUITE_TMPDIR-/tmp}" >> ./tmp0 ; \
 	else echo "set tmpdir $(objdir)/testsuite" >> ./tmp0 ; \
 	fi
 	@echo "set srcdir \"\$${srcdir}/testsuite\"" >> ./tmp0