L2E_DIRS := $(shell cd $(TOP) && find src -type d)
L2E_SRCS := $(shell cd $(TOP) && find src -type f -name '*.cpp')
L2E_DEPS = $(L2E_SRCS:%.cpp=%.d)
L2E_OBJS = $(L2E_SRCS:%.cpp=%.o)
L2E_EXES = l2e

L2E_TEST_DIRS := $(shell cd $(TOP) && find tests -type d)
L2E_TEST_SRCS := $(shell cd $(TOP) && find tests -type f -name '*.cpp')
L2E_TEST_DEPS := $(L2E_TEST_SRCS:%.cpp=%.d)
L2E_TEST_OBJS := $(L2E_TEST_SRCS:%.cpp=%.o)
L2E_TEST_EXES := test-all

L2E_FLAGS = $(sort $(strip \
		$(SDL_FLAGS) \
		$(SDL_IMG_FLAGS) \
		))
L2E_LIBS = $(sort $(strip \
		$(SDL_LIBS) \
		$(SDL_IMG_LIBS) \
		))

L2E_TEST_FLAGS = $(L2E_FLAGS) $(CPPUNIT_FLAGS)
L2E_TEST_LIBS = $(L2E_LIBS) $(CPPUNIT_LIBS)

-include $(L2E_DEPS)
-include $(L2E_TEST_DEPS)

$(L2E_OBJS): %.o: $(TOP)/%.cpp
	-@$(MKDIR) "$(@D)"
	@echo "compile: $@"
	$(VERBOSE) $(CXX) -c -o "$@" -MMD -MP -MF"$*.d" -MT"$@" "$<" \
			$(L2E_FLAGS) $(CPPFLAGS) $(CXXFLAGS)

$(L2E_EXES): $(L2E_OBJS)
	-@$(MKDIR) "$(@D)"
	@echo "link: $@"
	$(VERBOSE) $(CXX) -o "$@" $^ \
			$(L2E_FLAGS) $(L2E_LIBS) $(LDFLAGS)

$(L2E_TEST_OBJS): %.o: $(TOP)/%.cpp
	-@$(MKDIR) "$(@D)"
	@echo "compile: $@"
	$(VERBOSE) $(CXX) -c -o "$@" -MMD -MP -MF"$*.d" -MT"$@" "$<" \
			$(L2E_TEST_FLAGS) $(CPPFLAGS) $(CXXFLAGS)

$(L2E_TEST_EXES): $(L2E_TEST_OBJS) $(filter-out src/main.o, $(L2E_OBJS))
	-@$(MKDIR) "$(@D)"
	@echo "link: $@"
	$(VERBOSE) $(CXX) -o "$@" $^ \
			$(L2E_TEST_FLAGS) $(L2E_TEST_LIBS) $(LDFLAGS)

l2e-all: $(L2E_EXES)

l2e-clean:
	$(VERBOSE) -$(RM) $(L2E_DEPS)
	$(VERBOSE) -$(RM) $(L2E_OBJS)
	$(VERBOSE) -$(RM) $(L2E_EXES)
	$(VERBOSE) -$(RM) $(L2E_TEST_DEPS)
	$(VERBOSE) -$(RM) $(L2E_TEST_OBJS)
	$(VERBOSE) -$(RM) $(L2E_TEST_EXES)
	$(VERBOSE) -$(RMDIR) $(L2E_DIRS)
	$(VERBOSE) -$(RMDIR) $(L2E_TEST_DIRS)

l2e-tests: $(L2E_TEST_EXES)

l2e-test-all: test-all
	@echo "test: test-all"
	$(VERBOSE) ./test-all

all: l2e-all
clean: l2e-clean
tests: l2e-tests
test: l2e-test-all

.PHONY: l2e-all l2e-clean l2e-tests l2e-test-all

-include $(BUILD)l2e-local.mk