GNU bug report logs - #12304
libtool parse of nagfor -Wl,-Wl,, gives incorrect result

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From: Thomas Jahns <jahns <at> dkrz.de>
To: 12304 <at> debbugs.gnu.org
Subject: bug#12304: libtool parse of nagfor -Wl,-Wl,, gives incorrect result
Date: Thu, 30 Aug 2012 12:32:09 +0200

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Hello,

On 08/29/2012 01:56 PM, Thomas Jahns wrote:
> I'm not sure of the best way to address this unfortunate coincidence of compiler
> and libtool flags. My, perhaps naïve, idea would be to test whether an argument
> starting with -Wl, also matches $wl and, in case $wl does not equal "-Wl," pass
> the flag argument on to the linker unaltered.

I've now prepared a patch vs. the repository state that seems to work for me[1].

Regards, Thomas

[1] Tested with
- gfortran/gcc on Debian GNU/Linux 6.0.5 i386/x86_64
- nagfor/gcc on Debian GNU/Linux 6.0.5 i386/x86_64
- ifort/icc on Debian GNU/Linux 6.0.5 i386/x86_64
- xlf/xlc on AIX 6.1 Power6

P.S.: I'll try CentOS 5.6 Linux x86_64 with ifort/icc and nagfor/gcc and
gfortran/gcc next but can't say when I'll get around to that because I'll need
to fix an unrelated bug with mpxlf on AIX first.
-- 
Thomas Jahns
DKRZ GmbH, Department: Application software

Deutsches Klimarechenzentrum
Bundesstraße 45a
D-20146 Hamburg

Phone: +49-40-460094-151
Fax: +49-40-460094-270
Email: Thomas Jahns <jahns <at> dkrz.de>

[0001-Fix-handling-of-Wl-Wl-argument-prefix-of-NAG-fortran.patch (text/x-patch, attachment)]

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