-TERMUX_PKG_HOMEPAGE=https://http://potrace.sourceforge.net
-TERMUX_PKG_DESCRIPTION="tool for transforming a bitmap into a smooth, scalable image"
+TERMUX_PKG_HOMEPAGE=http://potrace.sourceforge.net
+TERMUX_PKG_DESCRIPTION="Tool for transforming a bitmap into a smooth, scalable image"
TERMUX_PKG_VERSION=1.15
-TERMUX_PKG_SRCURL=http://potrace.sourceforge.net/download/1.15/potrace-1.15.tar.gz
TERMUX_PKG_SHA256=a9b33904ace328340c850a01458199e0064e03ccaaa731bc869a842b1b8d529d
+# TERMUX_PKG_SRCURL=http://potrace.sourceforge.net/download/$TERMUX_PKG_VERSION/potrace-$TERMUX_PKG_VERSION.tar.gz
+# 2018-02-15: Switching to alternative url as above url is down:
+TERMUX_PKG_SRCURL=https://distfiles.macports.org/potrace/potrace-$TERMUX_PKG_VERSION.tar.gz