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Date:      Tue, 9 Jan 2024 08:18:46 -0500
From:      mike tancsa <mike@sentex.net>
To:        Dimitry Andric <dim@FreeBSD.org>
Cc:        FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: clang 17 and ports fallout
Message-ID:  <04837a47-a39c-40c5-a045-2d27fb3893ac@sentex.net>
In-Reply-To: <D365EB02-14AC-4F85-B687-962C20A7BA04@FreeBSD.org>
References:  <06381879-c328-4051-bb2f-9c3620d90fa0@sentex.net> <4a0db68d-bb13-4238-a251-74d02ff14a17@sentex.net> <D365EB02-14AC-4F85-B687-962C20A7BA04@FreeBSD.org>
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On 1/8/2024 5:50 PM, Dimitry Andric wrote:
> I fixed a lot of ports in the run-up to merging llvm-17 in 15-CURRENT,
> but I could not get them all.
>
> The preferred way is fixing the port by removing the undefined symbols
> from the linker version script in the port, but if that is not possible
> or difficult, add -Wl,--undefined-version to the linker flags suppresses
> the error. E.g. in the port Makefile:
>
> LDFLAGS+=	-Wl,--undefined-version
>
> For an example, see:
>
> https://github.com/freebsd/freebsd-ports/commit/37790b26cbda11cd4bb6f237b86cd94739c4059c

Thanks very much!  That did indeed fix databases/rrdtool and and 
sysutils/flashrom builds.   What is the best way to flag any such issues 
? Just open a PR for each individual port ?

     ---Mike


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    <div class="moz-cite-prefix">On 1/8/2024 5:50 PM, Dimitry Andric
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:D365EB02-14AC-4F85-B687-962C20A7BA04@FreeBSD.org"><span
      style="white-space: pre-wrap">
</span>
      <pre class="moz-quote-pre" wrap="">I fixed a lot of ports in the run-up to merging llvm-17 in 15-CURRENT,
but I could not get them all.

The preferred way is fixing the port by removing the undefined symbols
from the linker version script in the port, but if that is not possible
or difficult, add -Wl,--undefined-version to the linker flags suppresses
the error. E.g. in the port Makefile:

LDFLAGS+=	-Wl,--undefined-version

For an example, see:

<a class="moz-txt-link-freetext" href="https://github.com/freebsd/freebsd-ports/commit/37790b26cbda11cd4bb6f237b86cd94739c4059c">https://github.com/freebsd/freebsd-ports/commit/37790b26cbda11cd4bb6f237b86cd94739c4059c</a>;
</pre>
    </blockquote>
    <p>Thanks very much!  That did indeed fix databases/rrdtool and and
      sysutils/flashrom builds.   What is the best way to flag any such
      issues ? Just open a PR for each individual port ?<br>
    </p>
    <p>    ---Mike<br>
    </p>
    <p><br>
    </p>
    <blockquote type="cite"
      cite="mid:D365EB02-14AC-4F85-B687-962C20A7BA04@FreeBSD.org">
      <pre class="moz-quote-pre" wrap="">
</pre>
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