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Re: [PATCH] disable generation of linemarkers by the preprocessor for sigtmp.c

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From: Andreas Schwab <schwab@xxxxxxx>
To: Peter Stephenson <p.stephenson@xxxxxxxxxxx>
Subject: Re: [PATCH] disable generation of linemarkers by the preprocessor for sigtmp.c
Date: Wed, 21 Jan 2015 14:23:03 +0100
Cc: zsh-workers@xxxxxxx, Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>
In-reply-to: <20150115094727.55388a73@pwslap01u.europe.root.pri> (Peter Stephenson's message of "Thu, 15 Jan 2015 09:47:27 +0000")
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Peter Stephenson <p.stephenson@xxxxxxxxxxx> writes:

> On Thu, 15 Jan 2015 09:43:37 +0100
> Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx> wrote:
>> Upcoming gcc-5 currently miscompiles zsh. The reason is that the
>> signames2.awk script doesn't handle the new linemarkers generated by
>> that compiler:
>>
>> The fix is simple. Just disable the generation of linemarkers by the
>> preprocessor.
>
> Thanks, that's fine for gcc: I'm a bit worried that the -P option isn't
> completely standard (and in any case there are some prehistoric
> preprocessors out there).

It should be pretty portable, even v7 had it.

<https://www.freebsd.org/cgi/man.cgi?query=cc&manpath=Unix+Seventh+Edition>

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@xxxxxxx
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References:
- [PATCH] disable generation of linemarkers by the preprocessor for sigtmp.c
  - From: Markus Trippelsdorf
- Re: [PATCH] disable generation of linemarkers by the preprocessor for sigtmp.c
  - From: Peter Stephenson

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