| [eigen] Re: linking error in mpreal test |
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- To: eigen <eigen@xxxxxxxxxxxxxxxxxxx>
- Subject: [eigen] Re: linking error in mpreal test
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sun, 17 Oct 2010 11:08:28 -0400
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Fixed. Needed to link explicitly to GMP library. It seems that linking
is no longer "transitive" as it used to be:
http://fedoraproject.org/wiki/UnderstandingDSOLinkChange
Benoit
2010/9/27 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> I'm getting this:
>
> Linking CXX executable mpreal_support
> /usr/bin/ld: CMakeFiles/mpreal_support.dir/mpreal_support.cpp.o:
> undefined reference to symbol '__gmpf_get_prec'
> /usr/bin/ld: note: '__gmpf_get_prec' is defined in DSO
> /usr/lib64/libgmp.so.3 so try adding it to the linker command line
> /usr/lib64/libgmp.so.3: could not read symbols: Invalid operation
>
> If you added this test, can you fix this?
>
> Benoit
>