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	Thu, 10 Dec 2020 09:03:13 -0800 (PST)
Subject:	Re: Difficulties compiling libc from repository using gcc 10.N.0
To:	djgpp AT delorie DOT com
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From:	"J.W. Jagersma (jwjagersma AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
Message-ID:	<111383e4-b3db-f346-b71c-749dee17dc9e@gmail.com>
Date:	Thu, 10 Dec 2020 18:03:00 +0100
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On 2020-12-10 17:50, Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com] wrote:
> On 12/10/20, J.W. Jagersma (jwjagersma AT gmail DOT com) [via
> djgpp AT delorie DOT com] <djgpp AT delorie DOT com> wrote:
>> Also note that linking will fail with gcc 10 since it now uses -fno-common
> 
> -fno-common can be a good thing..
> 
>> by default, I worked around that with the following patch:
> 
> Which are the duplicated symbols causing trouble?

Only __stdio_cleanup_hook in libc, which I marked extern, and almost all global
symbols in fsdb.  I figured it would be okay to compile just fsdb with -fcommon.

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