I'm wondering if I could tag onto this message. I'm having a similar 
problem. Installed with no problems. However, when I run the tests, they 
all fail with the error:

symbol lookup error: /usr/lib/libumfpack.so.3.1.0: undefined symbol: 

To Wolfgang's question... I have both gcc and g++ installed. I'm not sure 
if that could cause a conflict. The libraries, in particular the one in 
question, were installed using apt-get, so I didn't do any compiling on the 
machine. By the way, my platform is Ubuntu 14.04, if that is important. 



On Saturday, August 12, 2017 at 10:57:58 AM UTC-6, Wolfgang Bangerth wrote:
> On 08/11/2017 06:42 PM, jap...@gmail.com <javascript:> wrote: 
> > step.debug: RUN failed. Output: 
> > ./step.debug: /home/japan/anaconda3/lib/libstdc++.so.6: version 
> `CXXABI_1.3.9' 
> > not found (required by ./step.debug) 
> > ./step.debug: /home/japan/anaconda3/lib/libstdc++.so.6: version 
> > `GLIBCXX_3.4.21' not found (required by ./step.debug) 
> > ./step.debug: /home/japan/anaconda3/lib/libstdc++.so.6: version 
> > `GLIBCXX_3.4.20' not found (required by ./step.debug) 
> These error messages typically indicate that either (i) you have multiple 
> compilers installed in your system and/or (ii) that deal.II or any of the 
> libraries it depends on (Trilinos, p4est, etc) were built with different 
> compilers or compiler versions. Could this be the case for you? 
> Best 
>   W. 
> -- 
> ------------------------------------------------------------------------ 
> Wolfgang Bangerth          email:                 bang...@colostate.edu 
> <javascript:> 
>                             www: http://www.math.colostate.edu/~bangerth/ 

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