Makefile to compile the RPI C Code

## The Makefile for the RPI  flash led  file named blink.c at this address https://pastebin.com/YjQNewfY
## MD Harrington  London Kent 20-03-2024 UK



CC = gcc
CFLAGS = -Wall -Wextra -std=c99
LIBS = -lwiringPi -lpthread -lbcm2835

TARGET = blink

SRC_DIR = source
INC_DIR = include

SRC_FILES = $(wildcard $(SRC_DIR)/*.c)
OBJ_DIR = obj
OBJ_FILES = $(patsubst $(SRC_DIR)/%.c, $(OBJ_DIR)/%.o, $(SRC_FILES))

INC_FILES = $(wildcard $(INC_DIR)/*.h)

$(TARGET): $(OBJ_FILES)
    $(CC) $(CFLAGS) -o $(TARGET) $(OBJ_FILES) $(LIBS)

$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
    $(CC) $(CFLAGS) -c -o $@ $< -I$(INC_DIR)

$(OBJ_DIR):
    mkdir -p $(OBJ_DIR)


.PHONY: clean

clean:
    rm -rf $(OBJ_DIR) $(TARGET)