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Date: Tue, 21 Sep 2010 23:34:51 +0200
From: Johannes Stezenbach <js@sig21.net>
To: Ben Greear <greearb@candelatech.com>
Cc: Andreas Schwab <schwab@linux-m68k.org>,
	linux-wireless@vger.kernel.org
Subject: Re: Patch to get iw building on Fedora 8
Message-ID: <20100921213451.GA29134@sig21.net>
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On Tue, Sep 21, 2010 at 02:09:57PM -0700, Ben Greear wrote:
> On 09/21/2010 12:49 PM, Andreas Schwab wrote:
> >Ben Greear<greearb-my8/4N5VtI7c+919tysfdA@public.gmane.org>  writes:
> >
> >>I need this in order to get iw to build on Fedora 8.
> >>
...
> >>+#define  __USE_ISOC99
> >
> >This is wrong.  You must never define internal glibc macros.
> 
> How about this then?
...
> -                       tmpf = strtof(argv[i], &end);
> +                       tmpf = strtod(argv[i], &end);
... 
> Seems you don't have to do anything clever to get strtod to work,
> and I assume it should cast just fine.

I think to use C99 features like strtof() you need to either
add -std=c99 to CFLAGS, or #define _ISOC99_SOURCE
(see /usr/include/features.h).

HTH,
Johannes