From 27b0d98d085454a9f3fbaeb73ac3000e5a965db4 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 30 Jun 2015 21:42:21 +0200
Subject: added support for C++ based projects

---
 include.mk | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

(limited to 'include.mk')

diff --git a/include.mk b/include.mk
index d2813a6..28eeaaa 100644
--- a/include.mk
+++ b/include.mk
@@ -28,6 +28,9 @@ include $(SPREADAVR_PATH)/defines.mk
 ## project-specific objects
 SRC := $(OBJ:%.o=%.c)
 DEP := $(SRC:%.c=%.d)
+CXX_SRC := $(CXX_OBJ:%.o=%.cpp)
+CXX_DEP := $(CXX_SRC:%.cpp=%.d)
+
 OBJ_LIB := $(LIBS:%=lib-%.o)
 SRC_LIB := $(LIBS:%=$(LIB_DIR)/%.c)
 DEP_LIB := $(LIBS:%=lib-%.d)
@@ -68,31 +71,41 @@ clean-lufa:
 
 
 ## project-specific objects
-lib-%.d: $(LIB_DIR)/%.c Makefile
+%.d: %.c Makefile
 	@set -e; rm -f $@; \
   $(CC) -MM $(CFLAGS) $< > $@.$$$$; \
-  sed 's,\($*\)\.o[ :]*,lib-\1.o $@ : ,g' < $@.$$$$ > $@; \
+  sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
   rm -f $@.$$$$; echo '(re)building $@'
 
-%.d: %.c Makefile
+%.d: %.cpp Makefile
 	@set -e; rm -f $@; \
-  $(CC) -MM $(CFLAGS) $< > $@.$$$$; \
+  $(CXX) -MM $(CXXFLAGS) $< > $@.$$$$; \
   sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
   rm -f $@.$$$$; echo '(re)building $@'
 
+lib-%.d: $(LIB_DIR)/%.c Makefile
+	@set -e; rm -f $@; \
+  $(CC) -MM $(CFLAGS) $< > $@.$$$$; \
+  sed 's,\($*\)\.o[ :]*,lib-\1.o $@ : ,g' < $@.$$$$ > $@; \
+  rm -f $@.$$$$; echo '(re)building $@'
+
 ifneq ($(MAKECMDGOALS),distclean)
 -include $(DEP)
+-include $(CXX_DEP)
 -include $(DEP_LIB)
 endif
 
-lib-%.o: $(LIB_DIR)/%.c Makefile
+%.o: %.c Makefile
 	$(CC) $(CFLAGS) -c $< -o $@
 
-%.o: %.c Makefile
+%.o: %.cpp Makefile
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+lib-%.o: $(LIB_DIR)/%.c Makefile
 	$(CC) $(CFLAGS) -c $< -o $@
 
-$(ELFFILE): $(OBJ) $(OBJ_LIB) $(EXTERNAL_LIBS:%=lib%.a)
-	$(CC) $(LDFLAGS) $(OBJ) $(OBJ_LIB) $(EXTERNAL_LIBS:%=-l%) -o $@
+$(ELFFILE): $(OBJ) $(CXX_OBJ) $(OBJ_LIB) $(EXTERNAL_LIBS:%=lib%.a)
+	$(CC) $(LDFLAGS) $(OBJ) $(CXX_OBJ) $(OBJ_LIB) $(EXTERNAL_LIBS:%=-l%) -o $@
 	$(SIZE) $@
 	@echo ""
 
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