--- config/aarch64/t-aarch64-linux	(revision 193639)
+++ config/aarch64/t-aarch64-linux	(working copy)
@@ -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)