Index: uspace/lib/c/Makefile
===================================================================
--- uspace/lib/c/Makefile	(revision 0a72efcb56c11bc14200cc2b33ba2af13610c8c7)
+++ uspace/lib/c/Makefile	(revision ddfcfeb22fe529fef60132084a109a424354cd72)
@@ -35,11 +35,14 @@
 INCLUDE_LIBARCH = include/libarch
 
-PRE_DEPEND = $(INCLUDE_KERNEL) $(INCLUDE_ARCH) $(INCLUDE_LIBARCH)
+COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
+COMMON_HEADER = $(ROOT_PATH)/common.h
+COMMON_HEADER_ARCH = arch/$(UARCH)/include/common.h
+
+CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
+
+PRE_DEPEND = $(INCLUDE_KERNEL) $(INCLUDE_ARCH) $(INCLUDE_LIBARCH) $(COMMON_HEADER_ARCH)
 EXTRA_OUTPUT = $(LINKER_SCRIPT)
-EXTRA_CLEAN = $(INCLUDE_KERNEL) $(INCLUDE_ARCH) $(INCLUDE_LIBARCH) $(LINKER_SCRIPT)
+EXTRA_CLEAN = $(INCLUDE_KERNEL) $(INCLUDE_ARCH) $(INCLUDE_LIBARCH) $(COMMON_HEADER_ARCH) $(LINKER_SCRIPT)
 LIBRARY = libc
-
-COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
-CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
 
 -include $(COMMON_MAKEFILE)
@@ -112,2 +115,5 @@
 $(LINKER_SCRIPT): $(LINKER_SCRIPT).in
 	$(GCC) $(DEFS) $(CFLAGS) -DLIBC_PATH=$(CURDIR) -E -x c $< | grep -v "^\#" > $@
+
+$(COMMON_HEADER_ARCH): $(COMMON_HEADER)
+	ln -sfn ../../../$< $@