Index: uspace/lib/c/arch/amd64/Makefile.common
===================================================================
--- uspace/lib/c/arch/amd64/Makefile.common	(revision 45f7449e0a82becbb9eb64d8afe4237b1bb85912)
+++ uspace/lib/c/arch/amd64/Makefile.common	(revision 94dfb921f6c450a02fb6df6e504c66a95d6ae95c)
@@ -28,5 +28,7 @@
 
 CLANG_ARCH = x86_64
+CLANG_TARGET = x86_64-unknown-linux
 GCC_CFLAGS += -fno-omit-frame-pointer
+CLANG_CFLAGS += -fno-omit-frame-pointer
 
 ENDIANESS = LE
Index: uspace/lib/c/arch/ia32/Makefile.common
===================================================================
--- uspace/lib/c/arch/ia32/Makefile.common	(revision 45f7449e0a82becbb9eb64d8afe4237b1bb85912)
+++ uspace/lib/c/arch/ia32/Makefile.common	(revision 94dfb921f6c450a02fb6df6e504c66a95d6ae95c)
@@ -28,4 +28,5 @@
 
 CLANG_ARCH = i386
+CLANG_TARGET = i386-unknown-linux
 
 ifeq ($(PROCESSOR),i486)
@@ -34,4 +35,5 @@
 	GCC_CFLAGS += -march=pentium -fno-omit-frame-pointer
 endif
+CLANG_CFLAGS += -fno-omit-frame-pointer
 
 ENDIANESS = LE