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Simple Makefile
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TARGET_EXEC := your_program | |
BUILD_DIR := bin | |
SRC_DIRS := src | |
SRCS := $(shell find $(SRC_DIRS) -name *.cpp -or -name *.c) | |
OBJS := $(SRCS:%=$(BUILD_DIR)/%.o) | |
DEPS := $(OBJS:.o=.d) | |
CC := gcc | |
CPP := g++ | |
WFLAGS := -Wall -Wextra -Wpedantic -Wvla | |
DFLAGS := -MMD -MP | |
CFLAGS := | |
CPPFLAGS := -std=c++17 | |
LDFLAGS := | |
# two targets: | |
# debug (O0, asan, asserts, etc) | |
# release (O3, NDEBUG, etc) | |
TARGET = debug | |
# target flags | |
ifeq ($(TARGET), debug) | |
CFLAGS += -O0 -g | |
ifeq ($(OS),Windows_NT) | |
else | |
CFLAGS += -fsanitize=address | |
LDFLAGS += -fsanitize=address | |
endif | |
else ifeq ($(TARGET), release) | |
CFLAGS += -O3 -funroll-loops -ffast-math -flto -march=native -DNDEBUG | |
LDFLAGS += -flto -s | |
endif | |
CFLAGS += $(WFLAGS) $(DFLAGS) | |
CPPFLAGS += $(CFLAGS) | |
MKDIR_P ?= mkdir -p | |
# exe | |
$(BUILD_DIR)/$(TARGET_EXEC): $(OBJS) | |
$(CPP) $(OBJS) -o $@ $(LDFLAGS) | |
# c source | |
$(BUILD_DIR)/%.c.o: %.c | |
$(MKDIR_P) $(dir $@) | |
$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@ | |
# c++ source | |
$(BUILD_DIR)/%.cpp.o: %.cpp | |
$(MKDIR_P) $(dir $@) | |
$(CPP) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@ | |
.PHONY: clean | |
clean: | |
$(RM) -r $(BUILD_DIR) | |
-include $(DEPS) |
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