From 739cd03234d8d5189db6d85b709eb6e969e9c555 Mon Sep 17 00:00:00 2001
From: Oleg Hahm <oleg@hobbykeller.org>
Date: Tue, 29 Oct 2013 16:26:42 +0100
Subject: [PATCH] do not overwrite SRC in Makefile.base

---
 Makefile.base | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile.base b/Makefile.base
index 10b321c7de..bfd7c6d448 100644
--- a/Makefile.base
+++ b/Makefile.base
@@ -3,7 +3,9 @@ ASSMSRC = $(wildcard *.S)
 ASMOBJ = $(ASMSRC:%.s=$(BINDIR)%.o)
 ASMOBJ += $(ASSMSRC:%.S=$(BINDIR)%.o)
 
-SRC = $(wildcard *.c)
+ifeq ($(strip $(SRC)),)
+	SRC = $(wildcard *.c)
+endif
 OBJ = $(SRC:%.c=$(BINDIR)%.o)
 DEP = $(SRC:%.c=$(BINDIR)%.d)