require 'formula' class Ngspice < Formula homepage 'http://ngspice.sourceforge.net/' url 'http://downloads.sourceforge.net/project/ngspice/ng-spice-rework/24/ngspice-24.tar.gz' sha1 'a6bb0e65c1c07d48f1d3e4df44fc17f6262952eb' option "without-xspice", "Build without x-spice extensions" depends_on :x11 def install args = %W[ --disable-dependency-tracking --prefix=#{prefix} --with-editline=yes --enable-x ] args << "--enable-xspice" unless build.include? "without-xspice" system "./configure", *args system "make install" end def caveats; "Note: ngspice is an X11 application." end end