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Re: unreliable detection of universal builds in AC_C_BIGENDIAN

From: Ralf Wildenhues
Subject: Re: unreliable detection of universal builds in AC_C_BIGENDIAN
Date: Mon, 29 Dec 2008 22:51:40 +0100
User-agent: Mutt/1.5.18 (2008-05-17)

Hello everyone,

* Eric Blake wrote on Fri, Dec 26, 2008 at 07:13:19PM CET:
> According to Bruno Haible on 12/26/2008 4:51 AM:
> > No it wouldn't. $CC, $CFLAGS etc. can also use tabs instead of spaces as 
> > word
> > separator. To iterate over the words of a command, the simplest way is 
> > really
> > a 'for' loop.

> How likely is it that -arch appears multiple times, but always with the
> same argument (or asked another way, my compact version appears immune to
> false negatives, but how likely is it to trigger false positives that only
> your more verbose for loop would detect)?

FWIW, in my humble opinion, verbosity of configure code should not
prevent "more correct" functioning here.  IOW, I like Bruno's version
better here; if only because the current version of the code already
provoked confusion with users, at least Bruno.

(As a less relevant aside, Bruno's version is probably faster, too.)

Just my 2 cents.


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