linux-kernel - Re: [PATCH 1/3]: Replace kernel/timeconst.pl with kernel/timeconst.sh

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Message-ID: <20090104120735.72840fdb@lxorguk.ukuu.org.uk>
Date:	Sun, 4 Jan 2009 12:07:35 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Rob Landley <rob@...dley.net>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Sam Ravnborg <sam@...nborg.org>,
	Embedded Linux mailing list <linux-embedded@...r.kernel.org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/3]: Replace kernel/timeconst.pl with
 kernel/timeconst.sh

> I note that sed and printf and such are all susv3.  I have an explicit test 
> for 32 bit math in the script that cares, and this worked in Red Hat 9 circa 
> 2003.

If you are trying to do arbitary precision maths using standard posix
tools just use dc. That way the standard is explicit about what you will
get.
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