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Date: Thu, 28 May 2015 11:24:42 +0200
From: Shiz <>
Subject: Re: [PATCH v2] configure: work around compilers that merely warn for unknown options

> On 28 May 2015, at 06:53, Rob Landley <> wrote:
> Specifically the bit about gcc 4.6 warning about the unknown
> -Wno-be-stupid _only_ if it was already producing another warning...
> Rob

I hadn’t, thanks. I’m unsure if there’s a clean way to integrate this
checking quirk in the configure script, since I’m not at all a huge fan of
searching command line output like that: for all you know it might say
something like "-Wno-string-plus-int is going to be the default sometime
in the future" (like Apple LLVM has been known to say for
-Wunused-command-line-argument, coincidentally), and grepping for specific
error messages seems more finicky and/or prone to breakage than anything.

I suppose this is best handled if we happen to come across such a problematic
flag first: no need to optimise for cases that aren’t there yet.


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