[openssl-users] OPenssl and dependencies such as openssh

[The Doctor]

On Mon, Jan 04, 2016 at 01:29:56PM -0700, The Doctor wrote:
> On Mon, Jan 04, 2016 at 07:22:04PM +0000, Viktor Dukhovni wrote:
> > On Mon, Jan 04, 2016 at 09:08:31AM -0700, The Doctor wrote:
> > 
> > >                 if ((rc = fprintf(fd ,"%08x (%s)\n", SSLeay(),
> > >                     SSLeay_version(SSLEAY_VERSION))) <0)
> > > 
> > > Could there be anything that is causing openssh not to see the new openssl 1.1 
> > 
> > The above. The SSLeay names are gone.  The new way is:
> > 
> > 	     if ((rc = fprintf(fd ,"%08x (%s)\n", OpenSSL_version_num(),
> > 		 OpenSSL_version(OPENSSL_VERSION))) <0)
> > 
> > I think it is likely prudent at this time to restore source-
> > backwards-compatible behaviour, by adding to <openssl/crypto.h>:
> > 
> >     #if !defined(OPENSSL_API_COMPAT) || OPENSSL_API_COMPAT < 0x10100000L
> >     # include <openssl/opensslv.h>
> >     # define SSLeay                  OpenSSL_version_num
> >     # define SSLeay_version          OpenSSL_version
> >     # define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
> >     # define SSLEAY_VERSION          OPENSSL_VERSION
> >     # define SSLEAY_CFLAGS           OPENSSL_CFLAGS
> >     # define SSLEAY_BUILT_ON         OPENSSL_BUILT_ON
> >     # define SSLEAY_PLATFORM         OPENSSL_PLATFORM
> >     # define SSLEAY_DIR              OPENSSL_DIR
> >     #endif /* OPENSSL_API_COMPAT */
> > 
> > Users who want to make sure they are avoiding interfaces that are
> > deprecated with 1.1.0 can set OPENSSL_API_COMPAT to 0x10100000L or
> > higher as appropriate.
> 
> That is one way.
> 
> Can we get developers to come on baord so that 
> we can launch a new era without incident?

All right, can the above be committed and any other
source-backwards-compatible behaviour ?

This will help API developers a lot.

BTW, I got openssl-SNAP-20160115 to behave nicely.

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