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Message-ID:	<534DC67C.3080909@lysator.liu.se>
Date:	Wed, 16 Apr 2014 01:53:32 +0200
From:	Peter Rosin <peda AT lysator DOT liu DOT se>
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To:	cygwin AT cygwin DOT com
Subject:	Re: libtool: link: object name conflicts in archive
References:	<7c71eb34219779df3fb3d492f29bcead AT mail DOT eclipso DOT de> <20140415093113 DOT GF3271 AT calimero DOT vinschen DOT de> <22601c400b5e0fffb54b32a9d6b2bdf8 AT mail DOT eclipso DOT de> <20140415112757 DOT GI3271 AT calimero DOT vinschen DOT de>
In-Reply-To:	<20140415112757.GI3271@calimero.vinschen.de>

On 2014-04-15 13:27, Corinna Vinschen wrote:
> On Apr 15 11:16, Gisela Haschmich wrote:
>>>> Hello,
>>>>
>>>> i tried to compile MBDyn 1.5.5 with cygwin and got an error "libtool:
>>> link: object name conflicts in archive". I used the same for 1.5.0 and
>>> it worked.
>>>>
>>
>>>> libtool: link: object name conflicts in archive: .libs/libmbwrap.lax/liby12.lib//home/ntmoe/mbdyn-1.5.5/libraries/liby12/.libs/liby12.lib
>>
>>>>
>>>> i found with google, that it could be an error with path variable, because
>>> it needs lib.exe from Visual Studio. I changed it to minimal, but i have
>>> still the same error
>>>
>>> No, it doesn't.  Libtool calls gcc, it never tries to use VS tools.
>>> This looks like a problem earlier in the build.
>>>
>> and whats about lib.exe, do i need the path to VS tools lib.exe or what should use instead ?
> 
> gcc uses ld from binutils.  There's really no reason to have any VC tool
> in the path.

Side note, the GNU "equivalent" of MS lib.exe is ar. (ld corresponds to
MS link.exe).

Regarding the issue, it is a bad sign that the archives are named libmbmath.lib,
libmbutil.lib etc. For a Cygwin build, you want them named libmbmath.a. The
.lib suffix is a clear indicator of a problem earlier in the build, just
like Corinna said. Is the Cygwin binutils package installed properly? I
imagine something like this could happen if the binutils install is broken
and the Microsoft tools are on $PATH (but I haven't tested that).

Cheers,
Peter


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