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Re: [PATCH] Use a non-empty test program to test ability to link
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Sandra Loosemore <sandra at codesourcery dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, libstdc++ <libstdc++ at gcc dot gnu dot org>
- Date: Mon, 10 Feb 2020 22:58:43 +0000
- Subject: Re: [PATCH] Use a non-empty test program to test ability to link
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- References: <e2e8405a-aede-7937-df79-83ded532d066@codesourcery.com> <alpine.DEB.2.21.2002072222530.3924@digraph.polyomino.org.uk> <10269fc6-7955-5fe4-c5f0-566c700a6a5f@codesourcery.com>
On Sat, 8 Feb 2020, Sandra Loosemore wrote:
> > > BTW, I did run autoconf in every subdirectory that contains a
> > > configure.ac,
> > > but it appears only libstc++-v3 actually uses this test; all the other
> > > regenerated configure scripts were unchanged.
> >
> > There's some problem with that regeneration, then; every directory where
> > configure.ac mentions GCC_NO_EXECUTABLES should have a resulting change (I
> > tested regenerating in libgcc/ with this patch applied and got such a
> > change, for example).
>
> Hmmm. I just tried that again and got nothing. Do I have to do something
> other than just run "autoconf" in that directory? I'm always confused by
> anything involving configuration changes. :-(
Just running autoconf in that directory should suffice to get configure
regenerated with the change.
--
Joseph S. Myers
joseph@codesourcery.com