require 'formula' class Icoutils < Formula url 'http://savannah.nongnu.org/download/icoutils/icoutils-0.29.1.tar.bz2' homepage 'http://www.nongnu.org/icoutils/' sha1 '312036e81d8c1800fb21ca6fc6b6ff3219e2c030' depends_on :libpng def install system "./configure", "--disable-dependency-tracking", "--disable-rpath", "--prefix=#{prefix}" system "make install" end end