[Trilinos-Users] trilinos build fails: undefined reference to _gfortran...

[Brad King]

Slaven wrote:
> My Trilinos build on a linux box failed with the error message as  
> shown below. It seems as if -lgfortran flag is missing somewhere in  
> linking options. I am new to cmake so I would appreciate any advice  
> how to troubleshoot this problem. Please let me know if you need me  
> to provide more information.

What version of CMake are you running?

  cmake --version

> [ 76%] Building CXX object packages/rythmos/test/UnitTest/CMakeFiles/ 
> Rythmos_AdjointModelEvaluator_UnitTest.dir/Rythmos_UnitTest.cpp.o
> Linking CXX executable Rythmos_AdjointModelEvaluator_UnitTest.exe
> /usr/lib/gcc/i586-suse-linux/4.1.2/../../../liblapack.so: undefined  
> reference to `_gfortran_concat_string'

Please run

  make VERBOSE=1

to see the full link line used, and post it.  Also, what do the commands

  ldd /usr/lib/liblapack.so
  readelf -d /usr/lib/liblapack.so

say?

Thanks,
-Brad