Hi, On Tue, Jul 17, 2018 at 09:57:30AM +0200, Andreas Tille wrote: > I stumbled upon some software (spoa [1]) which obviously does not build > with zlib 1.2.8 (just tried building in stretch - works with a > backported zlib from testing). That seems to be due to bioparser using the new zlib features from 1.2.11. Maybe it is easier to adapt bioparse to the 1.2.8 zlib interface than backporting this pretty central library? Michael