Instructions are to install DevToolSet for CentOS 7.  Requirements  centos-release-scl - Software Collections ( SCL ) Repositorydevtoolset-7-gcc.x86_64devtoolset-7-gcc-c++.x86_64devtoolset-7-gcc-gdb-plugin.x86_64devtoolset-7-gcc-gfortran.x86_64devtoolset-7-gcc-plugin-devel.x86_64  Installing SCL Repository # yum install centos-release-scl Install the Development Tools  # yum install devtoolset-7-gcc*Note: This installs gcc version 7 as well. How to use the Development Tools&n...