.PHONY: all clean install CC = clang CFLAGS = -std=c90 -Weverything LDFLAGS = -lcrypt PREFIX := /usr/local all : crypt clean : rm -f crypt install : crypt mkdir -p -- "$(PREFIX)"/bin "$(PREFIX)"/share/man/man1 install crypt -- "$(PREFIX)"/bin install crypt.1 -- "$(PREFIX)"/share/man/man1