require 'formula' class Ngspice < Formula homepage 'http://ngspice.sourceforge.net/' url 'https://downloads.sourceforge.net/project/ngspice/ng-spice-rework/26/ngspice-26.tar.gz' sha1 '7c043c604b61f76ad1941defeeac6331efc48ad2' option "with-x", "Build with X support" option "without-xspice", "Build without x-spice extensions" depends_on :x11 if build.with? "x" def install args = %W[ --disable-dependency-tracking --prefix=#{prefix} --with-editline=yes ] args << "--enable-x" if build.with? "x" args << "--enable-xspice" if build.with? "xspice" system "./configure", *args system "make install" end test do system "#{bin}/ngspice", "-v" end end