make it clang buildable

Makefile

@@ -17,10 +17,10 @@ INC_FLAGS := $(addprefix -I,$(INC_DIRS))
 FLAGS_LIBSERIALPORT = $(shell pkg-config --cflags libserialport)
 LIBS_LIBSERIALPORT = $(shell pkg-config --libs libserialport)
 
-CPPFLAGS ?= $(INC_FLAGS) -MMD -MP  $(FLAGS_LIBSERIALPORT) -DLOG_USE_COLOR -O0 -ggdb -fno-inline
+CPPFLAGS ?= $(INC_FLAGS) -MMD -MP $(FLAGS_LIBSERIALPORT) -DLOG_USE_COLOR -O0 -ggdb -fno-inline
 
 $(TARGET): $(OBJS)
-	$(CC) $(LDFLAGS) $(OBJS) -o $@ $(LOADLIBES) $(LDLIBS) $(LIBS_LIBSERIALPORT)
+	$(CC) $(LDFLAGS) $(OBJS) -o $@ -lstdc++ $(LOADLIBES) $(LDLIBS) $(LIBS_LIBSERIALPORT)
 
 .PHONY: clean
 clean:

README.md

@@ -15,6 +15,18 @@ git submodule init
 git submodule update
 ```
 
+## Build
+
+Using GCC:
+```
+make
+```
+
+Using Clang:
+```
+make CC=clang++ CXX=clang++
+```
+
 ## Features
 ### Working