Makefile

# Makefile for SPI communication library
# Enables compilation and installation of the static library

# Compiler and parameters
CC = clang
CFLAGS = -Wall -O2
AR = ar
ARFLAGS = rcs

# Installation paths - local user directories
PREFIX = $(HOME)
LIBDIR = $(PREFIX)/lib
INCLUDEDIR = $(PREFIX)/include

# Library files
LIB_NAME = spi
LIB_STATIC = lib$(LIB_NAME).a
SRC = spi_base.c
OBJ = $(SRC:.c=.o)
HDR = spi_base.h

# Default target - only static library
all: $(LIB_STATIC)

# Compile .c to .o
%.o: %.c $(HDR)
	$(CC) $(CFLAGS) -c $< -o $@

# Create static library
$(LIB_STATIC): $(OBJ)
	$(AR) $(ARFLAGS) $@ $^

# Install the library to local directories
install: all
	mkdir -p $(LIBDIR)
	mkdir -p $(INCLUDEDIR)
	cp $(LIB_STATIC) $(LIBDIR)/
	cp $(HDR) $(INCLUDEDIR)/

# Uninstall the library
uninstall:
	rm -f $(LIBDIR)/$(LIB_STATIC)
	rm -f $(INCLUDEDIR)/$(HDR)

# Clean
clean:
	rm -f $(OBJ) $(LIB_STATIC)

# Example usage
EXAMPLE = spi_example
EXAMPLE_SRC = example.c

example: $(EXAMPLE)

$(EXAMPLE): $(EXAMPLE_SRC) $(LIB_STATIC)
	$(CC) $(CFLAGS) -o $@ $< -L. -l$(LIB_NAME)

clean-example:
	rm -f $(EXAMPLE)

# Targets that are not files
.PHONY: all clean install uninstall example clean-example