Index: uspace/lib/libc/arch/amd64/Makefile.inc
===================================================================
--- uspace/lib/libc/arch/amd64/Makefile.inc	(revision ac47b7c2b6e75a9b9aa60b443fca9a151cf89e5c)
+++ uspace/lib/libc/arch/amd64/Makefile.inc	(revision f53cc810d7463aaaf19bb505007b1bede5cb3a96)
@@ -31,4 +31,5 @@
 
 TARGET = amd64-linux-gnu
+CLANG_ARCH = x86_64
 TOOLCHAIN_DIR = $(CROSS_PREFIX)/amd64/bin