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Message-ID:	<d39be312-c2d6-4c9d-8351-3de83d69f0cf@SystematicSW.ab.ca>
Date:	Mon, 4 Nov 2024 13:26:36 -0700
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Subject:	Re: Test: gcc-14.2.1+20241102-0.1
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From:	Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	cygwin AT cygwin DOT com
Cc:	Brian Inglis <Brian DOT Inglis AT SystematicSW DOT ab DOT ca>
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On 2024-11-04 12:00, ASSI wrote:
> The native Gcc compilers have been updated to the latest upstream
> snapshot version of the gcc-13 branch:
> 
>   gcc-14.2.1+20241102
> 
> This build incorporates the experimental v4 patch from T. Yano to use
> the newlib locale function in libstdc++ so that other locales (aside
> from "C") become usable.
> 
> Cygwin does not allow multiple versions of the compilers to be installed
> concurrently.
> 
> For this build, the D compiler has been disabled since it does not
> bootstrap due to the missing Phobos runtime on Cygwin.  No testing
> beyond the compiler testsuite has been done.  Libgccjit is now building
> and part of the release again.

I realised there are docs provided only for gcc/g++, objc/objc++, gccint, 
gfortran, libgccjit, libgomp, libquadmath, but nothing for libstdc++, not even 
info or man pages.

Is there any chance we could possibly get libstdc++.info* or man pages included 
with the build, or as (a) separate -doc package(s), and possibly other libraries 
or components where info or man pages are available, and may not currently be 
built or installed?

I struggled to find any Cygwin or online docs mentioning libstdc++, until a 
poster linked:

     https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html,

One upstream refuses to support distros that do not support C++20 compilers!

Given that cygwin/-devel is built with the old ABI, is there any point in trying 
to build libraries/packages that *require* the new ABI features in C++20?

I am asking to adopt dependent orphaned packages, just so I *can* rebuild them 
with the new ABI, so is trying this exercise going to be futile?

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer     but when there is no more to cut
                                 -- Antoine de Saint-Exupéry

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