lnm/Makefile

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Makefile
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# https://spin.atomicobject.com/2016/08/26/makefile-c-projects/ was a great
# base for this Makefile
-include config.mk
LIB_ARCHIVE := $(BUILD_DIR)/lib$(LIB).a
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SRCS != find '$(SRC_DIR)' -iname '*.c'
SRCS_H != find include -iname '*.h'
SRCS_H_INTERNAL != find $(SRC_DIR) -iname '*.h'
SRCS_TEST != find '$(TEST_DIR)' -iname '*.c'
SRCS_EXAMPLE != find '$(EXAMPLE_DIR)' -iname '*.c'
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OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
OBJS_TEST := $(SRCS_TEST:%=$(BUILD_DIR)/%.o)
OBJS_EXAMPLE := $(SRCS_EXAMPLE:%=$(BUILD_DIR)/%.o)
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DEPS := $(SRCS:%=$(BUILD_DIR)/%.d) $(SRCS_TEST:%=$(BUILD_DIR)/%.d)
BIN_TEST := $(BUILD_DIR)/$(TEST_DIR)/runner
BINS_EXAMPLE := $(OBJS_EXAMPLE:%.c.o=%)
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_CFLAGS := $(addprefix -I,$(INC_DIRS)) $(CFLAGS) -Wall -Wextra
# =====COMPILATION=====
# Utility used by the CI to lint
.PHONY: lib
$(LIB_ARCHIVE): $(OBJS)
ar -rcs $@ $^
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.PHONY: objs
objs: $(OBJS)
$(BUILD_DIR)/$(SRC_DIR)/%.c.o: $(SRC_DIR)/%.c
mkdir -p $(dir $@)
$(CC) -c $(_CFLAGS) $< -o $@
# =====TESTING=====
.PHONY: test
test: $(BIN_TEST)
'./$^'
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.PHONY: test-mem
test-mem: $(BIN_TEST)
valgrind --tool=memcheck --error-exitcode=1 --track-origins=yes --leak-check=full './$^'
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.PHONY: build-test
build-test: $(BIN_TEST)
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$(BIN_TEST): $(OBJS_TEST) $(LIB_ARCHIVE)
$(CC) -o $@ $^ $(_LDFLAGS)
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# Along with the include directory, each test includes $(TEST_DIR) (which
# contains the acutest.h header file), and the src directory of the module it's
# testing. This allows tests to access internal methods, which aren't publicly
# exposed.
$(BUILD_DIR)/$(TEST_DIR)/%.c.o: $(TEST_DIR)/%.c
mkdir -p $(dir $@)
$(CC) $(_CFLAGS) -I$(TEST_DIR) \
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-I$(SRC_DIR)/_include \
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-c $< -o $@
# =====EXAMPLES=====
.PHONY: build-example
build-example: $(BINS_EXAMPLE)
$(BINS_EXAMPLE): %: %.c.o $(LIB_ARCHIVE)
$(CC) $(LDFLAGS) \
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$^ -o $@
# Example binaries link the resulting library
$(BUILD_DIR)/$(EXAMPLE_DIR)/%.c.o: $(EXAMPLE_DIR)/%.c
mkdir -p $(dir $@)
$(CC) $(_CFLAGS) -I$(PUB_INC_DIR) -c $< -o $@
# =====MAINTENANCE=====
.PHONY: lint
lint:
@ clang-format -n --Werror \
$(shell find '$(SRC_DIR)/$(LIB)' -iname '*.c') \
$(shell find '$(SRC_DIR)/_include/$(LIB)' -iname '*.h') \
$(shell find 'include/$(LIB)' -iname '*.h')
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.PHONY: fmt
fmt:
@ clang-format -i \
$(shell find '$(SRC_DIR)/$(LIB)' -iname '*.c') \
$(shell find '$(SRC_DIR)/_include/$(LIB)' -iname '*.h') \
$(shell find 'include/$(LIB)' -iname '*.h')
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.PHONY: check
check:
@ mkdir -p $(BUILD_DIR)/cppcheck
@ cppcheck \
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$(addprefix -I,$(INC_DIRS)) \
--cppcheck-build-dir=$(BUILD_DIR)/cppcheck \
--error-exitcode=1 \
--enable=warning,style \
--inline-suppr \
--check-level=exhaustive \
--quiet \
-j$(shell nproc) \
$(shell find '$(SRC_DIR)/$(LIB)' -iname '*.c')
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.PHONY: clean
clean:
rm -rf '$(BUILD_DIR)'
.PHONY: bear
bear: clean
bear -- make
bear --append -- make build-test
bear --append -- make build-example
# Make make aware of the .d files
-include $(DEPS)