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Date: Thu, 7 Jul 2005 20:34:42 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Angelo Graziosi <Angelo DOT Graziosi AT roma1 DOT infn DOT it>
cc: cygwin AT cygwin DOT com
Subject: Re: Problems with ash-20040127-3 (Attn: bash maintainer)
In-Reply-To: <Pine.OSF.4.21.0507080133340.15260-200000@ax0rm1.roma1.infn.it>
Message-ID: <Pine.GSO.4.61.0507072020520.29317@slinky.cs.nyu.edu>
References: <Pine DOT OSF DOT 4 DOT 21 DOT 0507080133340 DOT 15260-200000 AT ax0rm1 DOT roma1 DOT infn DOT it>
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On Fri, 8 Jul 2005, Angelo Graziosi wrote:

> Last morning I have made a build of ROOT (a CERN application) using the
> snapshot 20050705, bash-3.0-3-test, ash-20040127-1, coreutils-5.3.0-6
> GCC-3.3.3-3. The buid takes almost 1.5 h
>
> After upgrading to bash-3.0-7, ash-20040127-3, coreutils-5.3.0-7 I have
> tried a new build. This time the buid stopped after a few minutes with:
>
>    wingcc_ld.sh: unespected end of file... at line 12 and 31
>
> Perhaps should one to change someting in this *.sh file (see Attc.) ?
>
> /bin/sh in /bin/ash ? or in /bin/bash ?

Yep.  The new /bin/sh is bash.  Apparently, bash doesn't like the
following line:

if [ "`echo $dllname | sed 's{^lib/.*\.dll${{'`" != "$dllname" ]; then

because in bash, ${ has special meaning -- it starts a variable reference.
FWIW, I get the same error with "bash -n wingcc_ld.sh" when bash is
version 2.05b.  I suspect this may actually be a bug in bash, since single
quotes ought to stop it from trying to expand variable references.  This
only happens when the single quotes are inside a shell substitution (i.e.,
"echo '${'" works, but "echo `echo '${'`" doesn't).  Nevertheless,
changing the '{' to any other character (e.g., '#') in the sed script
makes it parse correctly.
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"The Sun will pass between the Earth and the Moon tonight for a total
Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT

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