rec { version="2.03"; name="asymptote-2.03"; hash="1npj9igf4b9dy1frriqc20ihm1s0f3yw2pgs0xc4rv514rp0wkpx"; url="http://downloads.sourceforge.net/project/asymptote/asymptote/${version}/asymptote-${version}.src.tgz"; advertisedUrl="http://downloads.sourceforge.net/project/asymptote/asymptote/2.03/asymptote-2.03.src.tgz"; }