Re: gsasl 2.1.1

[Simon Josefsson]

"Jose E. Marchesi" <jemarch@gnu.org> writes:

> Build failed with this error:
>
> ../../src/gsasl.c: In function 'main':
> ../../src/gsasl.c:870:48: error: 'GNUTLS_TLS1_3' undeclared (first use in 
> this function)
>     if (gnutls_protocol_get_version (session) < GNUTLS_TLS1_3)
>                                                 ^~~~~~~~~~~~~
> ../../src/gsasl.c:870:48: note: each undeclared identifier is reported only 
> once for each function it appears in
>
> Sounds like something to be checked at configure time?  Probably related
> configure activity:
>
>   checking for libgnutls... yes
>   checking how to link with libgnutls... -lgnutls
>   checking if STARTTLS support via GnuTLS should be built... yes
>   checking for gnutls_session_channel_binding... yes
>   checking whether GNUTLS_CB_TLS_EXPORTER is declared... no

Hi Jose.  Many thanks for testing, it was easy to reprduce on Debian 10
and should be fixed here:

https://git.savannah.gnu.org/cgit/gsasl.git/commit/?id=c233d6c2cfadf0ff319540a40110c10a7580b8c1

One reason this took so long to fix was that after enabling GnuTLS
builds for CI/CD (which we apparently had forgotten to do before) and
writing the gsasl-mailutils-tls.sh self-check to actually do something
useful, I ran into a bug in very recent gcc that took a while to track
down:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106427

To work around it, you may invoke ./configure with
gl_cv_warn_c__Wuse_after_free_3=no but I'm not sure what more we can do
here...

/Simon

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