104 lines
3.0 KiB
Makefile
104 lines
3.0 KiB
Makefile
CROSS_COMPILE ?=
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TARGET_FILE ?= ftdi_gpio
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CROSS_COMPILE)cpp
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CHECK = cppcheck
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LCOV = lcov
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SRC_DIR = src
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OBJ_DIR = obj
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BIN_DIR = bin
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UNIT_TEST_SRC_DIR = test/unit
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UNIT_TEST_OBJ_DIR = $(OBJ_DIR)/$(UNIT_TEST_SRC_DIR)
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INCLUDES := inc
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INCLUDES += /usr/include/libftdi1
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ifneq "$(findstring $(MAKECMDGOALS), build_unit_test exec_unit_test coverage)" ""
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INCLUDES += test/inc
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C_FLAGS += -fprofile-arcs -ftest-coverage
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L_FLAGS += -fprofile-arcs -ftest-coverage
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else
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LIBS := ftdi1
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endif
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C_FLAGS += -O0 -g -Wall -Wextra -Werror
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CPP_FLAGS += $(addprefix -I, $(INCLUDES))
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CHECK_FLAGS = --enable=all --template=gcc --error-exitcode=1 --suppress=missingIncludeSystem
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C_SRCS = $(wildcard $(SRC_DIR)/*.c)
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C_OBJS = $(patsubst $(SRC_DIR)%,$(OBJ_DIR)%,$(patsubst %.c,%.o,$(C_SRCS)))
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UNIT_TEST_SRCS = $(wildcard $(UNIT_TEST_SRC_DIR)/*.c) $(filter-out %main.c,$(C_SRCS))
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UNIT_TEST_OBJS = $(patsubst $(SRC_DIR)%,$(OBJ_DIR)%,$(patsubst $(UNIT_TEST_SRC_DIR)%,$(UNIT_TEST_OBJ_DIR)%,$(patsubst %.c,%.o,$(UNIT_TEST_SRCS))))
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OBJS = $(C_OBJS)
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TARGET = $(BIN_DIR)/$(TARGET_FILE)
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UNIT_TEST_TARGET = $(BIN_DIR)/$(UNIT_TEST_SRC_DIR)/$(TARGET_FILE)
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THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
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.PHONY: all
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all: $(TARGET)
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.PHONY: coverage
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coverage: $(UNIT_TEST_TARGET)
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$(UNIT_TEST_TARGET)
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@rm -f $(UNIT_TEST_OBJ_DIR)/*.gcda
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@rm -f $(UNIT_TEST_OBJ_DIR)/*.gcno
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$(LCOV) -c -d obj -d bin/test/unit/ -d src/ -d test/unit/ -o test.info --no-external
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$(eval COVERAGE:=$(shell genhtml -o coverage/html test.info | grep 'lines' | egrep -o '[0-9]+.[0-9]+%'))
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@echo
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@echo Line coverage: $(COVERAGE)
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@echo
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.PHONY: unit_test
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build_unit_test: $(UNIT_TEST_TARGET)
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.PHONY: unit_test
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exec_unit_test: $(UNIT_TEST_TARGET)
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$(UNIT_TEST_TARGET)
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.PHONY: check
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check: $(C_SRCS)
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$(CHECK) $(CPP_FLAGS) $(CHECK_FLAGS) $(C_SRCS)
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$(UNIT_TEST_TARGET): $(UNIT_TEST_OBJS) $(THIS_MAKEFILE)
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@mkdir -p $(BIN_DIR)/$(UNIT_TEST_SRC_DIR)
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$(CC) $(C_FLAGS) $(LD_FLAGS) $(UNIT_TEST_OBJS) $(addprefix -l,$(LIBS)) -o $@
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$(TARGET): $(OBJS) $(THIS_MAKEFILE)
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@mkdir -p $(BIN_DIR)
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$(CC) $(C_FLAGS) $(LD_FLAGS) $(OBJS) $(addprefix -l,$(LIBS)) -o $@
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.PRECIOUS: $(OBJ_DIR)/%.d
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$(OBJ_DIR)/%.d: $(SRC_DIR)/%.c
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@mkdir -p $(OBJ_DIR)
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$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(CPP_FLAGS) $(patsubst $(OBJ_DIR)/%.d,$(SRC_DIR)/%.c,$@)
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.PRECIOUS: $(UNIT_TEST_OBJ_DIR)/%.d
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$(UNIT_TEST_OBJ_DIR)/%.d: $(UNIT_TEST_SRC_DIR)/%.c
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@mkdir -p $(UNIT_TEST_OBJ_DIR)
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$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(CPP_FLAGS) $(patsubst $(UNIT_TEST_OBJ_DIR)/%.d,$(UNIT_TEST_SRC_DIR)/%.c,$@)
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(OBJ_DIR)/%.d
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@mkdir -p $(OBJ_DIR)
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$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@
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$(UNIT_TEST_OBJ_DIR)/%.o: $(UNIT_TEST_SRC_DIR)/%.c $(UNIT_TEST_OBJ_DIR)/%.d
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@mkdir -p $(UNIT_TEST_OBJ_DIR)
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$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@
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.PHONY: clean
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clean:
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rm -rf $(OBJS) $(patsubst %.o,%.d,$(OBJS)) $(TARGET)
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rm -rf $(UNIT_TEST_OBJS) $(patsubst %.o,%.d,$(UNIT_TEST_OBJS)) $(UNIT_TEST_TARGET)
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ifneq ($(MAKECMDGOALS),clean)
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-include $(patsubst %.o,%.d,$(OBJS))
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endif
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