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 0772afff96f45fb8d8c7c726230cd0b01c65681f)
@@ -31,4 +31,5 @@
 
 TARGET = amd64-linux-gnu
+CLANG_ARCH = x86_64
 TOOLCHAIN_DIR = $(CROSS_PREFIX)/amd64/bin