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Re: New warnings on emacs-26 branch with gcc 8.2.0
From: |
Andy Moreton |
Subject: |
Re: New warnings on emacs-26 branch with gcc 8.2.0 |
Date: |
Mon, 06 Aug 2018 09:30:27 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (windows-nt) |
On Sun 05 Aug 2018, Paul Eggert wrote:
> Andy Moreton wrote:
>> Of the 562 "checking" lines when running configure on master, 146 of
>> them are "checking whether C compiler handles -W*". This is excessively
>> time consuming. Can gnulib not do less work to acheive this end, or do
>> the work more efficiently ?
>
> Yes, it probably could, but it'd take some hacking to get it to work right. So
> far, nobody has volunteered to do that. It'd be nontrivial, as the
> configure-time code needs to work with older GCCs and with compilers other
> than GCC.
Why does it need to check every gcc warning though, rather than just the
-W* and -Wno-* warnings that have been requested in the configury ?
AndyM
- New warnings on emacs-26 branch with gcc 8.2.0, Andy Moreton, 2018/08/05
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Noam Postavsky, 2018/08/05
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Paul Eggert, 2018/08/05
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Paul Eggert, 2018/08/06
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Andy Moreton, 2018/08/06
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Paul Eggert, 2018/08/06
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Andy Moreton, 2018/08/11
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Paul Eggert, 2018/08/11
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Andy Moreton, 2018/08/11
- Re: New warnings on emacs-26 branch with gcc 8.2.0, Paul Eggert, 2018/08/11