Makefile

CC := cc
AR := ar

CFLAGS := -Iinclude -Isrc -std=c11 -Wall -Wextra -Wpedantic -O2 -MMD -MP
LDFLAGS :=
DEBUGGER := lldb

BIN := bitcask
LIB := libbitcask.a
SRC := $(wildcard src/*.c)
LIB_SRC := $(filter-out src/main.c,$(SRC))
OBJ := $(SRC:.c=.o)
DEP := $(OBJ:.o=.d)
DATA_DIR := data

BENCHMARK_BIN := benchmark_runner
BENCHMARK_OBJ := benchmark.o $(LIB_SRC:.c=.benchmark.o)
BENCHMARK_CFLAGS := $(CFLAGS)
BENCHMARK_DEP := $(BENCHMARK_OBJ:.o=.d)

TEST_BIN := test_runner
TEST_SRC := $(wildcard tests/*.c tests/vendor/unity/*.c)
TEST_OBJ := $(LIB_SRC:.c=.test.o)
TEST_CFLAGS := $(CFLAGS) -Itests/vendor/unity -g -O0 -fsanitize=address,undefined
TEST_DEP := $(TEST_OBJ:.o=.d) $(TEST_DEBUG_OBJ:.o=.d)

.PHONY: all run benchmark test clean debug debug_test test_watch

all: $(BIN) $(LIB)

$(LIB): $(LIB_SRC:.c=.o)
	$(AR) rcs $@ $^

$(BIN): $(OBJ)
	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)

$(BENCHMARK_BIN): $(BENCHMARK_OBJ)
	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)

%.o: %.c
	$(CC) $(CFLAGS) -c -o $@ $<

benchmark.o: benchmark.c
	$(CC) $(BENCHMARK_CFLAGS) -c -o $@ $<

%.benchmark.o: %.c
	$(CC) $(BENCHMARK_CFLAGS) -c -o $@ $<

benchmark: $(BENCHMARK_BIN)

run: CFLAGS += -O0 -fsanitize=address,undefined
run: LDFLAGS += -fsanitize=address,undefined
run: $(BIN)
	./$(BIN) $(DATA_DIR)

debug: CFLAGS += -g -O0
debug: $(BIN)
	$(DEBUGGER) ./$(BIN) $(DATA_DIR)

%.test.o: %.c
	$(CC) $(TEST_CFLAGS) -c -o $@ $<

%.debug_test.o: %.c
	$(CC) $(TEST_DEBUG_CFLAGS) -c -o $@ $<

%.sanitize_test.o: %.c
	$(CC) $(TEST_SANITIZE_CFLAGS) -c -o $@ $<

$(TEST_BIN): $(TEST_SRC) $(TEST_OBJ)
	$(CC) $(TEST_CFLAGS) -o $@ $^ $(LDFLAGS)

test: $(TEST_BIN)
	./$(TEST_BIN)

debug_test: $(TEST_BIN)
	$(DEBUGGER) ./$(TEST_BIN)

test_watch: $(TEST_BIN)
	rg --files -g '*.c' -g '*.h' -g Makefile | entr -c make test

clean:
	rm -f $(BIN) $(LIB) $(BENCHMARK_BIN) $(TEST_BIN) $(OBJ) $(BENCHMARK_OBJ) $(TEST_OBJ) $(TEST_DEBUG_OBJ) $(DEP) $(BENCHMARK_DEP) $(TEST_DEP)

-include $(DEP) $(BENCHMARK_DEP) $(TEST_DEP)