Makefile

OUTPUT_DIR := build
SRC_ROOT := source

X64_CC := x86_64-w64-mingw32-gcc
X86_CC := i686-w64-mingw32-gcc

WIN_BUILD := windows_build
X64_DIR := $(WIN_BUILD)/x86_64
X86_DIR := $(WIN_BUILD)/i686

VPATH := $(SRC_ROOT)
SRC_FILES := $(wildcard $(SRC_ROOT)/*.c)
OBJ_FILES := $(patsubst %.c,%.o,$(addprefix $(OUTPUT_DIR)/,$(notdir $(SRC_FILES))))
PROGNAME := bfintern
BUILD_OUTPUT := $(OUTPUT_DIR)/$(PROGNAME)

INCLUDES := -I$(SRC_ROOT) -I$(SRC_ROOT)/pcg32

PROFILE_ENABLE_FLAGS := -pg -no-pie

DEBUG_FLAGS := -O0 -g3 -fsanitize=address,undefined
PROFILE_FLAGS := -O0 -g3 $(PROFILE_ENABLE_FLAGS)

CFLAGS := $(INCLUDES) -Wall -pedantic
.PHONY: clean all debug profile output_dir x64_dir x86_dir windows_x64 windows_x86

all: CFLAGS += -O3
all: $(BUILD_OUTPUT)

debug: CFLAGS += $(INCLUDES) $(DEBUG_FLAGS)
debug: LFLAGS += -fsanitize=address,undefined
debug: $(BUILD_OUTPUT)

profile: CFLAGS += $(PROFILE_FLAGS)
profile: LFLAGS += $(PROFILE_ENABLE_FLAGS)
profile: $(BUILD_OUTPUT)

$(BUILD_OUTPUT): output_dir $(OBJ_FILES)
	$(CC) $(LFLAGS) $(OBJ_FILES) -o $@

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

output_dir:
	[ -d $(OUTPUT_DIR) ] || mkdir -p $(OUTPUT_DIR)

x64_dir:
	[ -d $(X64_DIR) ] || mkdir -p $(X64_DIR)

x86_dir:
	[ -d $(X86_DIR) ] || mkdir -p $(X86_DIR)

windows_x64: CFLAGS += -O3
windows_x64: CC := $(X64_CC)
windows_x64: $(BUILD_OUTPUT) x64_dir
	cp $(BUILD_OUTPUT).exe $(X64_DIR)/$(PROGNAME).exe

windows_x86: CFLAGS += -O3
windows_x86: CC := $(X86_CC)
windows_x86: $(BUILD_OUTPUT) x86_dir
	cp $(BUILD_OUTPUT).exe $(X86_DIR)/$(PROGNAME).exe

clean:
	rm -rf $(OUTPUT_DIR)
	rm -rf $(WIN_BUILD)