lcd-clock - initial commit

Makefile

@@ -0,0 +1,144 @@
+CROSS_COMPILE ?=
+
+TARGET_FILE ?= test_c
+
+CC = $(CROSS_COMPILE)gcc
+CPP = $(CROSS_COMPILE)cpp
+CHECK = cppcheck
+LCOV = lcov
+GENHTML = genhtml
+
+SRC_DIR = src
+OBJ_DIR = obj
+BIN_DIR = bin
+COVERAGE_DIR = coverage
+UNIT_TEST_SRC_DIR = test/unit
+UNIT_TEST_OBJ_DIR = $(OBJ_DIR)/$(UNIT_TEST_SRC_DIR)
+
+PREFIX ?= /usr
+BIN_INSTALL_DIR = $(PREFIX)/bin
+
+INCLUDES := interface/
+INCLUDES += include/
+INCLUDES += include/$(ARCH)/
+INCLUDES += $(PREFIX)/include/
+INCLUDES += $(EXTRA_INC)
+
+LIBS =
+
+LD_FLAGS += $(addprefix -L,$(EXTRA_LIB_DIR))
+
+ifneq "$(findstring $(MAKECMDGOALS), build_unit_test exec_unit_test coverage)" ""
+INCLUDES += test/inc
+C_FLAGS += --coverage
+LD_FLAGS += --coverage
+endif
+
+C_FLAGS += -fpic
+
+C_FLAGS += -O0 -g -Wall
+CPP_FLAGS += $(addprefix -I, $(INCLUDES))
+
+CHECK_FLAGS = $(addprefix -I,$(filter-out $(PREFIX)/include/,$(INCLUDES)))
+CHECK_FLAGS += --enable=all --template=gcc --error-exitcode=1 --suppress=missingIncludeSystem --inline-suppr --force
+
+C_SRCS = $(wildcard $(SRC_DIR)/*.c)
+C_SRCS += $(wildcard $(SRC_DIR)/$(ARCH)/*.c)
+C_OBJS = $(patsubst $(SRC_DIR)%,$(OBJ_DIR)%,$(patsubst %.c,%.o,$(C_SRCS)))
+
+UNIT_TEST_SRCS = $(wildcard $(UNIT_TEST_SRC_DIR)/*.c) $(filter-out %main.c,$(CC_SRCS))
+UNIT_TEST_OBJS = $(patsubst $(SRC_DIR)%,$(OBJ_DIR)%,$(patsubst $(UNIT_TEST_SRC_DIR)%,$(UNIT_TEST_OBJ_DIR)%,$(patsubst %.c,%.o,$(UNIT_TEST_SRCS))))
+
+OBJS = $(C_OBJS)
+
+UNIT_TEST_TARGET = $(BIN_DIR)/$(UNIT_TEST_SRC_DIR)/$(TARGET_FILE)
+TARGET = $(BIN_DIR)/$(TARGET_FILE)
+THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
+
+.PHONY: all install uninstall clean distclean debug
+debug:
+	@echo $(C_SRCS)
+	@echo $(C_OBJS)
+	@echo $(ARCH)
+	@echo $(CPP_FLAGS)
+
+all: $(TARGET)
+
+install: all
+	install -d $(BIN_INSTALL_DIR)
+	install -m 0666 $(TARGET) $(BIN_INSTALL_DIR)
+
+uninstall:
+	rm -f $(BIN_INSTALL_DIR)/$(TARGET_FILE)
+
+clean:
+	rm -f $(TARGET)
+	rm -f $(OBJS) $(patsubst %.o,%.d,$(OBJS))
+	rm -f $(UNIT_TEST_OBJS) $(patsubst %.o,%.d,$(UNIT_TEST_OBJS)) $(UNIT_TEST_TARGET)
+	rm -f $(UNIT_TEST_OBJ_DIR)/*.gcda
+	rm -f $(UNIT_TEST_OBJ_DIR)/*.gcno
+	rm -f $(OBJ_DIR)/*.gcda $(OBJ_DIR)/*.gcno
+	rm -fr $(COVERAGE_DIR)
+
+distclean:
+	rm -rf $(OBJ_DIR) $(BIN_DIR) $(COVERAGE_DIR)
+
+.PHONY: coverage
+coverage: _cov_genhtml
+	$(eval COVERAGE:=$(shell grep 'lines' .coverage.tmp | egrep -o '[0-9]+.[0-9]+%'))
+	@echo
+	@echo Line coverage: $(COVERAGE)
+	@echo
+	@rm -f .coverage.tmp
+
+.PHONY: _cov_lcov
+_cov_lcov: exec_unit_test
+	@rm -f $(UNIT_TEST_OBJ_DIR)/*.gcda
+	@rm -f $(UNIT_TEST_OBJ_DIR)/*.gcno
+	@mkdir -p $(COVERAGE_DIR)
+	$(LCOV) -c -d $(OBJ_DIR) -o $(COVERAGE_DIR)/coverage.info
+
+.PHONY: _cov_genhtml
+_cov_genhtml: _cov_lcov
+	$(GENHTML) -o $(COVERAGE_DIR)/html $(COVERAGE_DIR)/coverage.info > .coverage.tmp
+
+.PHONY: unit_test
+build_unit_test: $(UNIT_TEST_TARGET)
+
+.PHONY: unit_test
+exec_unit_test: $(UNIT_TEST_TARGET)
+	$(UNIT_TEST_TARGET)
+
+.PHONY: check
+check: $(CC_SRCS)
+	$(CHECK) $(CHECK_FLAGS) $(CC_SRCS)
+
+$(UNIT_TEST_TARGET): $(UNIT_TEST_OBJS) $(THIS_MAKEFILE)
+	@mkdir -p $(BIN_DIR)/$(UNIT_TEST_SRC_DIR)
+	$(CC) $(CC_FLAGS) $(LD_FLAGS) $(UNIT_TEST_OBJS) -o $@
+
+$(TARGET): $(OBJS) $(THIS_MAKEFILE)
+	@mkdir -p $(BIN_DIR)
+	$(CC) $(CC_FLAGS) $(LD_FLAGS) $(OBJS) $(addprefix -l,$(LIBS)) -o $@
+
+.PRECIOUS: $(OBJ_DIR)/%.d
+$(OBJ_DIR)/%.d: $(SRC_DIR)/%.c
+	@mkdir -p $(OBJ_DIR)/$(ARCH)
+	$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(CPP_FLAGS) $(patsubst $(OBJ_DIR)/%.d,$(SRC_DIR)/%.c,$@)
+
+.PRECIOUS: $(UNIT_TEST_OBJ_DIR)/%.d
+$(UNIT_TEST_OBJ_DIR)/%.d: $(UNIT_TEST_SRC_DIR)/%.c
+	@mkdir -p $(UNIT_TEST_OBJ_DIR)
+	$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(CPP_FLAGS) $(patsubst $(UNIT_TEST_OBJ_DIR)/%.d,$(UNIT_TEST_SRC_DIR)/%.c,$@)
+
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(OBJ_DIR)/%.d
+	@mkdir -p $(OBJ_DIR)/$(ARCH)
+	$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@
+
+$(UNIT_TEST_OBJ_DIR)/%.o: $(UNIT_TEST_SRC_DIR)/%.c $(UNIT_TEST_OBJ_DIR)/%.d
+	@mkdir -p $(UNIT_TEST_OBJ_DIR)
+	$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@
+
+ifneq ($(MAKECMDGOALS),clean)
+-include $(patsubst %.o,%.d,$(OBJS))
+endif