makefile for both native and emscripten projects: make js # will make the js port, output a projectname.js make native # will compile the native port, output project.native make sure there are no important files named `project.*` because they will be cleaned by the `clean` target

Makefile

EMSCRIPTEN_HOME = ~/Documents/inbox/emscripten
PROJECT = myproject

SOURCES = $(wildcard *.cc) $(wildcard *.c)
OBJECTS = $(patsubst %.cc,%.o,$(patsubst %.c,%.o,$(SOURCES)))

set-native:
	$(eval CXX := clang -x c++)
	$(eval CC := clang)
	$(eval CPPFLAGS := -g -O2 -DHAS_TR1)
	$(eval CXXFLAGS := -std=c++11)
	$(eval LDFLAGS := -lstdc++)
	$(eval TARGET := native)

set-js:
	$(eval CXX := $(EMSCRIPTEN_HOME)/em++)
	$(eval CC := $(EMSCRIPTEN_HOME)/emcc)
	$(eval CXXFLAGS := -std=c++11 -s ASM_JS=1)
	$(eval LDFLAGS := -lc++ -O2)
	$(eval TARGET := js)

compile: $(OBJECTS)
	$(CC) $(LDFLAGS) $^ -o $(PROJECT).$(TARGET)

native: set-native compile

js: set-js compile

show-vars:
	echo $(SOURCES)
	echo $(OBJECTS)

clean:
	rm -f *.o
	rm -rf $(PROJECT).* *.dSYM

thanks a lot!