From 4da20a683273f252940ff2752d2f497040800b3d Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Wed, 29 Jun 2022 08:41:48 +0200
Subject: arduino-nano: add .so support to makefile

---
 src/arch/arduino-nano/Makefile.inc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/arch/arduino-nano/Makefile.inc')

diff --git a/src/arch/arduino-nano/Makefile.inc b/src/arch/arduino-nano/Makefile.inc
index 1455105..30aa846 100644
--- a/src/arch/arduino-nano/Makefile.inc
+++ b/src/arch/arduino-nano/Makefile.inc
@@ -141,7 +141,7 @@ endif
 
 COMMON_FLAGS += -DBAUD=${uart_baud}UL
 
-OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o}
+OBJECTS = ${SO_TARGETS:.a=.so} ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o}
 
 %.o : %.cc | include/config.h
 	${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}
@@ -149,6 +149,9 @@ OBJECTS = ${CXX_TARGETS:.cc=.o} ${C_TARGETS:.c=.o}
 %.o : %.c | include/config.h
 	${QUIET}${CC} ${INCLUDES} ${COMMON_FLAGS} ${CFLAGS} -c -o $@ ${@:.o=.c}
 
+%.so : %.a | include/config.h
+	${QUIET}${CC} ${COMMON_FLAGS} -o $@ -Wl,--whole-archive ${@:.so=.a} -Wl,--no-whole-archive
+
 build/system.elf: ${OBJECTS}
 	${QUIET}mkdir -p build
 	${QUIET}${CXX} ${COMMON_FLAGS} ${CXXFLAGS} -Wl,--gc-sections -o $@ ${OBJECTS}
-- 
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