[openssl-dev] Upcoming build system change

[Kurt Roeckx]

On Sat, Jan 23, 2016 at 10:01:16PM +0100, Corinna Vinschen wrote:
> On Jan 23 21:35, Kurt Roeckx wrote:
> > On Sat, Jan 23, 2016 at 09:27:58PM +0100, Corinna Vinschen wrote:
> > > 
> > > Last but not least, we have another problem with enginesdir.  To allow a
> > > rolling release cycle, we have to support multiple versions of openssl
> > > in parallel.  The problem here is that the enginesdir needs to be
> > > versioned to allow per-openssl version engines.  The build scripts don't
> > > allow for this.  Right now we're using a patch as the below one to tweak
> > > the configury to allow specifying the engines dir during build time.
> > > Would it hurt terribly to include something like the below patch?
> > 
> > In general, I would like to have a directory for the engines that
> > relates to OSSL_DYNAMIC_OLDEST.
> 
> That probably won't work for Cygwin.  The engines are linked against the
> versioned DLLs of the OpenSSL version they have been built for,  Even
> assuming binary compatibility, an engine linked against openssl-1.0 will
> pull in openssl-1.0 DLLs, even when loaded from openssl-1.1.  We have to
> keep the engines separate.

How does that work on cygwin?


Kurt