Control: tags -1 patch Not a perfect solution but sufficient for stretch is the patch below to use OpenSSL 1.0.2
The "| libssl-dev (<< 1.1.0~)" is added for backports. --- debian/control.old 2016-12-10 20:22:40.000000000 +0000 +++ debian/control 2016-12-10 20:22:45.000000000 +0000 @@ -3,7 +3,7 @@ Priority: optional Maintainer: Roland Stigge <sti...@antcom.de> Build-Depends: debhelper (>= 9), autotools-dev, liblzo2-dev, - zlib1g-dev, libssl-dev, bison, flex + zlib1g-dev, libssl1.0-dev | libssl-dev (<< 1.1.0~), bison, flex Standards-Version: 3.9.4 Homepage: http://vtun.sourceforge.net/ cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed