This is the mail archive of the gcc-help@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Question about build warnings.

From: Georg-Johann Lay <avr at gjlay dot de>
To: Ian Lance Taylor <iant at google dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Wed, 11 May 2011 15:09:12 +0200
Subject: Re: Question about build warnings.
References: <4DC8FCF9.5080206@gjlay.de> <mcrwrhylj9s.fsf@coign.corp.google.com>

Ian Lance Taylor schrieb:
> Georg-Johann Lay <avr@gjlay.de> writes:
> 
>> Hi, when building gcc I get bunch of build warnings like these:
> 
> This is normal when building stage 1.  You should not see any warnings
> when building stages 2 or 3.
> 
> The warnings occur mainly on gcc diagnostic functions.  The definitions
> of the control sequences used in these functions change from time to
> time.  This then triggers warnings when building stage 1 with an older
> version of gcc.  These warnings are unimportant.
> 
> Ian

The background is bug reports like

http://gcc.gnu.org/PR48896#c2

where for some people the build fails because of warnings that I don't
even see with reasonable version of build GCC.

Follow-Ups:
- Re: Question about build warnings.
  - From: Ian Lance Taylor

References:
- Question about build warnings.
  - From: Georg-Johann Lay
- Re: Question about build warnings.
  - From: Ian Lance Taylor

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]