1SHELL=/bin/sh 2 3conf: configure.sh config.h.in 4.PHONY: conf 5 6aclocal.m4: m4/*.m4 7 aclocal -I m4 8 9configure.sh: configure.ac aclocal.m4 10 autoconf -o configure.sh 11 12config.h.in: configure.ac aclocal.m4 13 autoheader && touch config.h.in 14