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Re: [PATCH] PR85678: Change default to -fno-common
- From: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
- To: Jeff Law <law at redhat dot com>, Richard Biener <richard dot guenther at gmail dot com>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, David Edelsohn <dje dot gcc at gmail dot com>
- Cc: nd <nd at arm dot com>
- Date: Mon, 28 Oct 2019 20:06:03 +0000
- Subject: Re: [PATCH] PR85678: Change default to -fno-common
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- References: <CAGWvny=ycjnnM+Pbe+wGGUdEPkqNyWi8KrpkasKtOSqUazUPtQ@mail.gmail.com> <30E7FA47-6132-4DA2-A3D0-03CB13B043EA@gmail.com>,<1844b231-b99d-eb76-b713-202d67fe901a@redhat.com>
Hi,
>> I suppose targets can override this decision.
> I think they probably could via the override_options mechanism.
Yes, it's trivial to add this to target_option_override():
if (!global_options_set.x_flag_no_common)
flag_no_common = 0;
Cheers,
Wilco