linux-kernel - Re: Weird code in scripts/kconfig/Makefile

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Message-ID: <Pine.LNX.4.64.0612131235530.1867@scrub.home>
Date:	Wed, 13 Dec 2006 12:37:56 +0100 (CET)
From:	Roman Zippel <zippel@...ux-m68k.org>
To:	Pete Zaitcev <zaitcev@...hat.com>
cc:	jbaron@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: Weird code in scripts/kconfig/Makefile

Hi,

On Tue, 12 Dec 2006, Pete Zaitcev wrote:

> In 2.6.19 (and Linus' curent tree), I found the following:
> 
>           libpath=$$dir/lib; lib=qt; osdir=""; \
>           $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
>             osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
>           test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
> 
> What does the little 'x' do in front of $$(foo)? It looks suspiciously
> like a typo to me.

Indeed, it looks like it. It's the fallback path nowadays, so I guess it 
wasn't noticed so far.

bye, Roman
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