[gmx-users] Installatoin error

[RAHUL SURESH]

I am trying all possible ways to install Gromacs and I end up with errors.
I have updated my OS, installed GCC 5.3 manually and devtoolset-4. Still I
end up with same error.

[user at mqml Desktop]$ su
Password:

[root at mqml Desktop]# scl enable devtoolset-4 'gcc --version'
gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[root at mqml Desktop]# scl enable devtoolset-4 bash
[root at mqml Desktop]# which gcc
/opt/rh/devtoolset-4/root/usr/bin/gcc
[root at mqml Desktop]# cd
[root at mqml ~]# cd /
[root at mqml /]# cd gromacs-2016.3/build/
[root at mqml build]# cmake .. -DGMX_BUILD_OWN_FFTW=ON
-DREGRESSIONTEST_DOWNLOAD=ON
CMake Error at cmake/gmxTestCXX11.cmake:114 (message):
  This version of GROMACS requires a C++11 compiler.  Please use a newer
  compiler or use the GROMACS 5.1.x release.  See the installation guide for
  details.
Call Stack (most recent call first):
  CMakeLists.txt:164 (gmx_test_cxx11)


-- Configuring incomplete, errors occurred!
See also "/gromacs-2016.3/build/CMakeFiles/CMakeOutput.log".
See also "/gromacs-2016.3/build/CMakeFiles/CMakeError.log".


How do I overcome it?
-- 
*Regards,*
*Rahul Suresh*
*Research Scholar*
*Bharathiar University*
*Coimbatore*