116 lines
2.9 KiB
Makefile
116 lines
2.9 KiB
Makefile
# https://spin.atomicobject.com/2016/08/26/makefile-c-projects/ was a great
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# base for this Makefile
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BIN_FILENAME ?= lander
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BUILD_DIR ?= build
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SRC_DIR ?= src
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TEST_DIR ?= test
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THIRDPARTY_DIR ?= thirdparty
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INC_DIRS ?= include $(THIRDPARTY_DIR)/include
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BIN := $(BUILD_DIR)/$(BIN_FILENAME)
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SRCS != find '$(SRC_DIR)' -iname '*.c'
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SRCS_TEST != find '$(TEST_DIR)' -iname '*.c'
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SRCS_THIRDPARTY != find '$(THIRDPARTY_DIR)/src' -iname '*.c'
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SRCS_H != find include -iname '*.h'
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SRCS_H_INTERNAL != find $(SRC_DIR) -iname '*.h'
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OBJS := $(SRCS:%=$(BUILD_DIR)/%.o) $(SRCS_THIRDPARTY:%=$(BUILD_DIR)/%.o)
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OBJS_TEST := $(SRCS_TEST:%=$(BUILD_DIR)/%.o)
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DEPS := $(SRCS:%=$(BUILD_DIR)/%.d) $(SRCS_THIRDPARTY:%=$(BUILD_DIR)/%.d) $(SRCS_TEST:%=$(BUILD_DIR)/%.d)
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BINS_TEST := $(OBJS_TEST:%.c.o=%)
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TARGETS_TEST := $(BINS_TEST:%=test-%)
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TARGETS_MEM_TEST := $(BINS_TEST:%=test-mem-%)
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INC_FLAGS := $(addprefix -I,$(INC_DIRS))
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# -MMD: generate a .d file for every source file. This file can be imported by
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# make and makes make aware that a header file has been changed, ensuring an
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# object file is also recompiled if only a header is changed.
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# -MP: generate a dummy target for every header file (according to the docs it
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# prevents some errors when removing header files)
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CFLAGS ?= -MMD -MP -g
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INTERNALCFLAGS := $(INC_FLAGS) $(CFLAGS) -Wall -Wextra
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.PHONY: all
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all: bin
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# =====COMPILATION=====
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# Utility used by the CI to lint
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.PHONY: objs
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objs: $(OBJS)
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.PHONY: bin
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bin: $(BIN)
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$(BIN): $(OBJS)
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$(CC) $(INTERNALCFLAGS) $(LDFLAGS) -o $@ $^
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$(BUILD_DIR)/$(SRC_DIR)/%.c.o: $(SRC_DIR)/%.c
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mkdir -p $(dir $@)
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$(CC) $(INTERNALCFLAGS) -c $< -o $@
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$(BUILD_DIR)/$(THIRDPARTY_DIR)/%.c.o: $(THIRDPARTY_DIR)/%.c
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mkdir -p $(dir $@)
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$(CC) $(INTERNALCFLAGS) -c $< -o $@
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# =====TESTING=====
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.PHONY: test
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test: $(TARGETS_TEST)
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.PHONY: test-mem
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test-mem: $(TARGETS_MEM_TEST)
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.PHONY: $(TARGETS_TEST)
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$(TARGETS_TEST): test-%: %
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./$^
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.PHONY: $(TARGETS_MEM_TEST)
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$(TARGETS_MEM_TEST): test-mem-%: %
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valgrind --tool=memcheck --error-exitcode=1 --track-origins=yes --leak-check=full ./$^
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.PHONY: build-test
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build-test: $(BINS_TEST)
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$(BINS_TEST): %: %.c.o $(BIN)
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$(CC) \
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$^ -o $@
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# Along with the include directory, each test includes $(TEST_DIR) (which
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# contains the acutest.h header file), and the src directory of the module it's
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# testing. This allows tests to access internal methods, which aren't publicly
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# exposed.
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$(BUILD_DIR)/$(TEST_DIR)/%.c.o: $(TEST_DIR)/%.c
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mkdir -p $(dir $@)
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$(CC) $(INTERNALCFLAGS) -I$(TEST_DIR) \
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-I$(dir $(@:$(BUILD_DIR)/$(TEST_DIR)/%=$(SRC_DIR)/%)) \
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-c $< -o $@
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# =====MAINTENANCE=====
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.PHONY: lint
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lint:
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clang-format -n --Werror $(SRCS) $(SRCS_H) $(SRCS_H_INTERNAL)
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.PHONY: fmt
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fmt:
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clang-format -i $(SRCS) $(SRCS_H) $(SRCS_H_INTERNAL)
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.PHONY: clean
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clean:
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rm -rf $(BUILD_DIR)
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.PHONY: bear
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bear: clean
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bear -- make
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bear --append -- make build-test
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# Make make aware of the .d files
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-include $(DEPS)
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