t-aarch64-linux: Define MULTIARCH_DIRNAME for linux target.

2012-11-21  Matthias Klose  <doko@ubuntu.com>

        * config/aarch64/t-aarch64-linux: Define MULTIARCH_DIRNAME for
        linux target.

From-SVN: r193694

gcc/ChangeLog

+2012-11-21  Matthias Klose  <doko@ubuntu.com>
+
+	* config/aarch64/t-aarch64-linux: Define MULTIARCH_DIRNAME for
+	linux target.
+
 2012-11-21  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.md

gcc/config/aarch64/t-aarch64-linux

@@ -20,3 +20,6 @@
 
 LIB1ASMSRC   = aarch64/lib1funcs.asm
 LIB1ASMFUNCS = _aarch64_sync_cache_range
+
+AARCH_BE = $(if $(findstring TARGET_BIG_ENDIAN_DEFAULT=1, $(tm_defines)),_be)
+MULTIARCH_DIRNAME = $(call if_multiarch,aarch64$(AARCH_BE)-linux-gnu)