Makefile.in: Fix multilib handling for sparc64-linux.

2009-02-25  Laurent GUERBY <laurent@guerby.net>

        * gcc-interface/Makefile.in: Fix multilib handling for
        sparc64-linux.

From-SVN: r144426

gcc/ada/ChangeLog

+2009-02-25  Laurent GUERBY <laurent@guerby.net>
+
+        * gcc-interface/Makefile.in: Fix multilib handling for
+        sparc64-linux.
+	
 2009-02-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* s-oscons-tmplt.c [__osf__ && !_SS_MAXSIZE]: Undef AF_UNIX6.

gcc/ada/gcc-interface/Makefile.in

@@ -1540,7 +1540,7 @@ ifeq ($(strip $(filter-out sparc% linux%,$(arch) $(osys))),)
   LIBGNAT_TARGET_PAIRS_64 = \
   system.ads<system-linux-sparcv9.ads
 
-  ifeq ($(strip $(MULTISUBDIR)),/64)
+  ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
     LIBGNAT_TARGET_PAIRS = \
     $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
   else