Index: libc/Makefile
===================================================================
--- libc/Makefile	(revision b7e65d4a00b31b5bc17e54551c9d99653b2999f9)
+++ libc/Makefile	(revision d3ca21023d2d532762f885b60e558ccf24516836)
@@ -44,7 +44,6 @@
 	generic/io.c
 
-ARCH_SOURCES = \
-	arch/$(ARCH)/src/entry.s \
-	arch/$(ARCH)/src/syscall.c
+ARCH_SOURCES += \
+	arch/$(ARCH)/src/entry.s
 
 GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))