From b1355998c859cf4a1531b1035ca0ccb4a9e97409 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Tue, 13 Apr 2021 09:04:40 +0200
Subject: prepare for switch to config.h instead of CFLAGS defines

---
 src/arch/arduino-nano/Makefile.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/arch/arduino-nano')

diff --git a/src/arch/arduino-nano/Makefile.inc b/src/arch/arduino-nano/Makefile.inc
index 12777d9..0ce2ef7 100644
--- a/src/arch/arduino-nano/Makefile.inc
+++ b/src/arch/arduino-nano/Makefile.inc
@@ -140,10 +140,10 @@ COMMON_FLAGS += -DBAUD=${uart_baud}UL
 
 OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o}
 
-.cc.o:
+%.o : %.cc | include/config.h
 	${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}
 
-.c.o:
+%.o : %.c | include/config.h
 	${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} ${CFLAGS} -c -o $@ ${@:.o=.c}
 
 build/system.elf: ${OBJECTS}
-- 
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