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 19:22:58.000000000 +0000 +++ debian/control 2016-12-10 19:23:06.000000000 +0000 @@ -12,7 +12,7 @@ ,libprotobuf-dev ,protobuf-compiler ,libqrencode-dev - ,libssl-dev + ,libssl1.0-dev | libssl-dev (<< 1.1.0~) ,qttools5-dev ,qttools5-dev-tools ,pkg-config 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