SHELL  := bash
TARGET := sierpinski-gtk
OBJS   := $(patsubst %.cc,%.o,$(wildcard *.cc))
DEPS   := $(OBJS:.o=.dep)

export GTKMM_VERSION := 2.4
export GTKGLEXTMM_VERSION := 1.2

ifdef WIN32
export CPPFLAGS += -I"$(shell cd)"
else
export CPPFLAGS += -I"$(shell pwd)"
endif
export CXXFLAGS := -Wall -O2 \
	               `pkg-config --cflags gtkmm-$(GTKMM_VERSION)` \
	               `pkg-config --cflags gtkglextmm-$(GTKGLEXTMM_VERSION)`
export LDFLAGS := `pkg-config --libs gtkmm-$(GTKMM_VERSION)` \
	              `pkg-config --libs gtkglextmm-$(GTKGLEXTMM_VERSION)`

all: $(TARGET)

$(TARGET): $(OBJS)
	$(CXX) -o $@ $^ $(CXXFLAGS) $(LDFLAGS)

%.o: %.cc
	$(CXX) -c -o $@ $(CPPFLAGS) $(CXXFLAGS) $<

# Make dependency files
%.dep: %.cc
	@set -e; rm -f $@; \
	  $(CXX) -MM $(CPPFLAGS) $< > $@.$$$$; \
	  sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
	  rm -f $@.$$$$

clean:
	-$(RM) -f *.o *.dep $(TARGET)

# Include dependency files
-include $(DEPS)