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Date: Tue, 19 May 2015 13:16:22 +0200
From: u-wsnj@...ey.se
To: musl@...ts.openwall.com
Subject: Re: [PATCH] Build process uses script to add CFI directives
 to x86 asm

On Tue, May 19, 2015 at 11:31:14AM +0200, Alex Dowad wrote:
> awk code with not a word of complaint. The only trouble was with the use of "echo"
> in the configure script -- BusyBox ash's "echo" is different from bash's.

Indeed, portable sh scripts should be using printf instead of echo,
every time.

echo(){ printf '%s\n' "$@"; }

yields a well-behaving "plain" echo variant.

If one needs some special tricks, printf covers more cases than echo anyway.

I may be wrong but I am not aware of a "nowadays practically useful"
platform where printf is not available (even if we do not consider a
possibility to make it available).

Rune

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