+_PICOLISP_YEAR=16
+_PICOLISP_MONTH=8
+_PICOLISP_DAY=3
+TERMUX_PKG_VERSION=${_PICOLISP_YEAR}.${_PICOLISP_MONTH}.${_PICOLISP_DAY}
+# We use our bintray mirror since old version snapshots are not kept on main site.
+# TERMUX_PKG_SRCURL=http://software-lab.de/picoLisp.tgz
+TERMUX_PKG_SRCURL=https://dl.bintray.com/termux/upstream/picolisp_${TERMUX_PKG_VERSION}.tar.gz