PROGRAM = ol
CC = clang

C_FLAGS = \
	-std=c17 \
	-Wall \
	-Wextra \
	-Wpedantic \
	-Wconversion \
	-Wno-gnu-case-range \
	-g

LINKER_FLAGS = \
	-fsanitize=address,undefined \
	-g

SOURCE_FOLDER = src
BUILD_FOLDER = build
C_FILES = $(shell find $(SOURCE_FOLDER) -name "*.c")
H_FILES = $(shell find $(SOURCE_FOLDER) -name "*.h")

C_FLAGS += -I$(SOURCE_FOLDER)

OBJECT_FILES = $(patsubst $(SOURCE_FOLDER)/%.c, $(BUILD_FOLDER)/%.o, $(C_FILES))

all: build_folder $(PROGRAM) compile_flags.txt

$(PROGRAM): $(OBJECT_FILES)
	$(CC) $^ -o $(BUILD_FOLDER)/$@ $(LINKER_FLAGS)

$(BUILD_FOLDER)/%.o: $(SOURCE_FOLDER)/%.c $(H_FILES)
	$(CC) $< -c -o $@ $(C_FLAGS)

build_folder:
	mkdir $(BUILD_FOLDER) -p

compile_flags.txt:
	echo -xc $(C_FLAGS) | sed 's/\s\+/\n/g' > compile_flags.txt

clean:
	rm -rf $(BUILD_FOLDER) compile_flags.txt