re PR target/89587 (gcc's rs6000 configuration unconditionally sets…

re PR target/89587 (gcc's rs6000 configuration unconditionally sets MULTIARCH_DIRNAME, even when multiarch is disabled)

	PR target/89587
	* config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
	if_multiarch.

From-SVN: r269396

gcc/ChangeLog

 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/89587
+	* config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
+	if_multiarch.
+
 	PR middle-end/89590
 	* builtins.c (maybe_emit_free_warning): Punt if free doesn't have
 	exactly one argument.

gcc/config/rs6000/t-linux

@@ -4,7 +4,7 @@ ifeq (,$(filter $(with_cpu),$(SOFT_FLOAT_CPUS))$(findstring soft,$(with_float)))
 ifneq (,$(findstring powerpc64,$(target)))
 MULTILIB_OSDIRNAMES := .=../lib64$(call if_multiarch,:powerpc64-linux-gnu)
 else
-MULTIARCH_DIRNAME := powerpc-linux-gnu
+MULTIARCH_DIRNAME := $(call if_multiarch,powerpc-linux-gnu)
 endif
 ifneq (,$(findstring powerpcle,$(target)))
 MULTIARCH_DIRNAME := $(subst -linux,le-linux,$(MULTIARCH_DIRNAME))