Re: [Boost-testing] [EXTERNAL] Linking to external libraries fails for many testers?

Subject: Re: [Boost-testing] [EXTERNAL] Linking to external libraries fails for many testers?
From: Belcourt, Kenneth (kbelco_at_[hidden])
Date: 2012-11-23 15:17:50

Hi John,

On Nov 22, 2012, at 9:56 AM, John Maddock wrote:

> Folks, I'm hoping you can suggest a fix for this:  the multiprecision lib can work with a number of external libraries including GMP, but I'm getting a lot of errors like this one (http://tinyurl.com/cjv5c4a):
> 
> /scratch/kbelco/boost/results/boost/bin.v2/libs/multiprecision/test/test_arithmetic_mpf.test/gcc-4.7.1/debug/test_arithmetic.o: In function `boost::multiprecision::backends::gmp_int::str(long, std::_Ios_Fmtflags) const':
> /scratch/kbelco/boost/boost/status/../boost/multiprecision/gmp.hpp:1213: undefined reference to `__gmp_get_memory_functions'

> Which I gather from the MPFR FAQ (http://www.mpfr.org/faq.html#undef_ref1) is a result of a mismatch between the installed headers, and the installed binaries - or at least the binaries not being in a directory that's searched by default.  Unfortunately the suggested solution in the FAQ isn't really an option for a test script either, since we don't know whether we should be using /usr/local/lib or /usr/local/lib64 or something else.
> 
> Anyone any good ideas?  Has this been solved already anywhere?

No idea how to solve this generally.  I'll work on setting up Sandia testers to link correctly.  Thanks for bringing this to my attention.

-- Noel