diff --git a/lib/compiler-rt/compiler-rt.mk b/lib/compiler-rt/compiler-rt.mk
new file mode 100644
index 0000000..d3e2d5c
--- /dev/null
+++ b/lib/compiler-rt/compiler-rt.mk
@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${ARCH},aarch32)
+COMPILER_RT_SRCS	:=	$(addprefix lib/compiler-rt/builtins/,	\
+	arm/aeabi_uldivmod.S						\
+	ctzdi2.c							\
+	udivmoddi4.c							\
+)
+endif