require 'formula' class Fltk < Formula url 'http://ftp2.easysw.com/pub/fltk/1.3.0/fltk-1.3.0-source.tar.gz' homepage 'http://www.fltk.org/' head 'http://ftp.easysw.com/pub/fltk/snapshots/fltk-1.3.x-r9013.tar.bz2' if ARGV.build_head? md5 '9c5eb9eb8642be56cb68e7c5b1c98611' else md5 '44d5d7ba06afdd36ea17da6b4b703ca3' end depends_on 'jpeg' def install ENV.libpng system "autoconf" if ARGV.build_head? system "./configure", "--prefix=#{prefix}", "--enable-threads" system "make install" end end