47 lines
944 B
Makefile
47 lines
944 B
Makefile
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TARGET_EXEC := test
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BUILD_DIR := ./build
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SRC_DIRS := ./src
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# False targets
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# (these are the only ones you manually run)
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all: $(TARGET_EXEC)
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run: all
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./$(TARGET_EXEC)
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clean:
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-rm -r $(BUILD_DIR)
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@echo ""
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.PHONY: clean all run
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#################################################
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# Flags and autodetection
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# -MMD and -MP generate makefiles with extension .d.
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CPPFLAGS := -Wall -MMD -MP -I src
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LDFLAGS := -l fftw3
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# Find all cpp files in source dirs
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SRCS := $(shell find $(SRC_DIRS) -name '*.cpp')
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# Turns ./build/a.cpp into ./build/a.cpp.o
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OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
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# Turns ./build/a.cpp.o into ./build/a.cpp.d
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DEPS := $(OBJS:.o=.d)
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#################################################
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# Build targets
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# C++ build step
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$(BUILD_DIR)/%.cpp.o: %.cpp
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mkdir -p $(dir $@)
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g++ $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
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# Final build step
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$(TARGET_EXEC) : $(OBJS)
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g++ $(OBJS) -o $@ $(LDFLAGS)
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# Include generated makefiles
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-include $(DEPS)
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