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Re: Problems with ash-20040127-3 (Attn: bash maintainer)
- From: Igor Pechtchanski <pechtcha at cs dot nyu dot edu>
- To: Angelo Graziosi <Angelo dot Graziosi at roma1 dot infn dot it>
- Cc: cygwin at cygwin dot com
- Date: Thu, 7 Jul 2005 20:34:42 -0400 (EDT)
- Subject: Re: Problems with ash-20040127-3 (Attn: bash maintainer)
- References: <Pine.OSF.4.21.0507080133340.15260-200000@ax0rm1.roma1.infn.it>
- Reply-to: cygwin at cygwin dot com
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
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