re PR ada/5911 (Support for multilib in Ada)

	PR ada/5911
	* gcc-interface/Makefile.in (SPARC/Solaris): Add multilib support.

From-SVN: r140687

gcc/ada/ChangeLog

+2008-09-26  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR ada/5911
+	* gcc-interface/Makefile.in (SPARC/Solaris): Add multilib support.
+
 2008-09-25  Samuel Tardieu  <sam@rfc1149.net>
 
 	PR ada/37641

gcc/ada/gcc-interface/Makefile.in

@@ -763,9 +763,17 @@ ifeq ($(strip $(filter-out sparc% sun solaris%,$(targ))),)
   system.ads<system-solaris-sparcv9.ads
 
   ifeq ($(strip $(filter-out sparc sun solaris%,$(targ))),)
-    LIBGNAT_TARGET_PAIRS = $(LIBGNAT_TARGET_PAIRS_32)
+    ifeq ($(strip $(MULTISUBDIR)),/sparcv9)
+      LIBGNAT_TARGET_PAIRS = $(LIBGNAT_TARGET_PAIRS_64)
+    else
+      LIBGNAT_TARGET_PAIRS = $(LIBGNAT_TARGET_PAIRS_32)
+    endif
   else
-    LIBGNAT_TARGET_PAIRS = $(LIBGNAT_TARGET_PAIRS_64)
+    ifeq ($(strip $(MULTISUBDIR)),/sparcv7)
+      LIBGNAT_TARGET_PAIRS = $(LIBGNAT_TARGET_PAIRS_32)
+    else
+      LIBGNAT_TARGET_PAIRS = $(LIBGNAT_TARGET_PAIRS_64)
+    endif
   endif
 
   TOOLS_TARGET_PAIRS=mlib-tgt-specific.adb<mlib-tgt-specific-solaris.adb