CC ?= gcc
CFLAGS ?= -Wall -fPIC -Ihash -O2
AR ?= ar
ARFLAGS ?= rcs

SRCS = djb2.c
OBJS = $(SRCS:.c=.o)

STATIC_LIB = libhash.a
SHARED_LIB = libhash.so

PREFIX ?= /usr/local
INCLUDEDIR = $(PREFIX)/include
LIBDIR = $(PREFIX)/lib

TEST_SRC = test.c
TEST_BIN = test.elf

all: $(STATIC_LIB) $(SHARED_LIB) $(TEST_BIN)
test: $(TEST_BIN)
	./$<

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

$(STATIC_LIB): $(OBJS)
	$(AR) $(ARFLAGS) $@ $^

$(SHARED_LIB): $(OBJS)
	$(CC) -shared -o $@ $^

$(TEST_BIN): $(TEST_SRC) $(STATIC_LIB)
	$(CC) -Wall -Ihash -o $@ $(TEST_SRC) $(STATIC_LIB)

install: $(STATIC_LIB) $(SHARED_LIB)
	mkdir -p $(DESTDIR)$(INCLUDEDIR)/hash
	cp -r hash/*.h $(DESTDIR)$(INCLUDEDIR)/hash/
	mkdir -p $(DESTDIR)$(LIBDIR)
	cp $(STATIC_LIB) $(SHARED_LIB) $(DESTDIR)$(LIBDIR)/
	@echo "Installed libraries to $(DESTDIR)$(LIBDIR) and headers to $(DESTDIR)$(INCLUDEDIR)/hash"

uninstall:
	rm -f $(DESTDIR)$(LIBDIR)/$(STATIC_LIB) $(DESTDIR)$(LIBDIR)/$(SHARED_LIB)
	rm -rf $(DESTDIR)$(INCLUDEDIR)/hash
	@echo "Uninstalled libraries from $(DESTDIR)$(LIBDIR) and headers from $(DESTDIR)$(INCLUDEDIR)/hash"

clean:
	rm -f $(OBJS) $(STATIC_LIB) $(SHARED_LIB) $(TEST_BIN)

.PHONY: all clean install uninstall test