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 2016-11-27 19:00:22.000000000 +0000
+++ debian/control 2016-11-27 19:00:30.000000000 +0000
@@ -20,7 +20,7 @@
libxinerama-dev,
dctrl-tools,
libarchive-dev,
- libssl-dev,
+ libssl1.0-dev | libssl-dev (<< 1.1.0~),
zlib1g-dev,
libunwind8-dev [amd64 armel armhf i386 mips powerpc ppc64],
dh-autoreconf (>= 6~),
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