[debbugs-tracker] bug#18612: closed (non-portable shell substitution in configure.ac)

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Your message dated Thu, 02 Oct 2014 15:33:17 -0700
with message-id <address@hidden>
and subject line Re:  non-portable shell substitution in configure.ac
has caused the debbugs.gnu.org bug report #18612,
regarding non-portable shell substitution in configure.ac
to be marked as done.

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18612: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18612
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> --- Begin Message ---
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> Subject: 
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> Re: [platform-testers] Emacs pretest 24.3.94
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>
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> Date: 
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> Thu, 02 Oct 2014 15:22:41 -0400
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> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2
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> Hello,
>
> On 10/01/2014 09:13 PM, Glenn Morris wrote:
> > The next (and hopefully final) pretest for what will be the 24.4 release
> > of Emacs (the extensible text editor) is available at
> >
> >    ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-24.3.94.tar.xz
> >
> > Please give it as much testing as you can.
>
> I tested it on few systems, builds OK on all the followings (amd64, with only 
> curses support, no X):
>   Debian 7.6
>   gNewSense 3.1 (based on Debian 6)
>   Ubuntu 14.04.1
>   Trisquel 6.0.1 (based on Ubuntu 12.04 LTS)
>   OpenSUSE 13.1
>   CentOS 6.5
>   CentOS 7
>   FreeBSD 10
>   FreeBSD 9.3
>   OpenBSD 5.5
>   NetBSD 6.1.4
>   DilOS 1.3.7 (OpenSolaris/Illumos-based)
>   GNU Hurd/Debian 0.5 (i386)
>
> "./configure" fails on MINIX R3.3.0/i386, but MINIX is not officially supported.
>
> On thing I noticed, is that "configure.ac" (and thus "./configure")
> has the following statement (line 38):
>     srcdir="/${srcdir:0:1}${srcdir:2}"
>
> I believe these are bash-specific variable expansions, not posix-compatible.
>
> This appears in an MINGW-related "if" block, so I guess most of the time it is 
> not encountered.
> But in one instance, I got:
>     $ ./configure
>     ./configure: 3564: Syntax error: Bad substitution
>
> Regards,
>  - Assaf
>
>
>
> --- End Message ---
> --- Begin Message ---
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>
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> Subject: 
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> Re:  non-portable shell substitution in configure.ac
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>
>
>
> Date: 
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> Thu, 02 Oct 2014 15:33:17 -0700
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>
>
>
> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2
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>
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>
> Unfortunately POSIX doesn't allow that construction, even in non-executed code, 
> so a strict shell is within its rights to reject it.  I installed a simple and 
> localized workaround as emacs-24 bzr 117537.
>
>
> --- End Message ---