How to Install gcc 5 3 with yum on CentOS 7 2

Question

I am using CentOS 7 2  When I use yum groupinstall  Development Tools   gcc version is 4 8 5  like this           I would like to install gcc 5 3  How to approach this with yum

User · Answer

The best approach to use yum and update your devtoolset is to utilize the CentOS SCLo RH Testing repository.

yum install centos-release-scl-rh
yum --enablerepo=centos-sclo-rh-testing install devtoolset-7-gcc devtoolset-7-gcc-c++

Many additional packages are also available, to see them all

yum --enablerepo=centos-sclo-rh-testing list devtoolset-7*

You can use this method to install any dev tool version, just swap the 7 for your desired version. devtoolset-6-gcc, devtoolset-5-gcc etc.

User · Answer

Update  Installing latest version of gcc 9   gcc 9 3 0  - released March 12  2020   Same method can be applied to gcc 10  gcc 10 1 0  - released May 7  2020  Download file  gcc-9 3 0 tar gz or gcc-10 1 0 tar gz  Compile and install     required libraries   some may already have been installed  dnf install libmpc-devel mpfr-devel gmp-devel    if dnf install libmpc-devel is not working try  dnf --enablerepo PowerTools install libmpc-devel    install zlib dnf install zlib-devel     configure --with-system-zlib --disable-multilib --enable-languages c c    make -j 8  lt    this may take around an hour or more to finish                depending on your cpu speed   make install   Tested under CentOS 7 8 2003 for gcc 9 3 and gcc 10 1  Tested under CentOS 8 1 1911 for gcc 10 1  may take more time to compile   Results  gcc g   9 3 0 10 1 0     Installing gcc 7 4  gcc 7 4 0  - released December 6  2018   Download file  https   ftp gnu org gnu gcc gcc-7 4 0 gcc-7 4 0 tar gz  Compile and install     required libraries  yum install libmpc-devel mpfr-devel gmp-devel    configure --with-system-zlib --disable-multilib --enable-languages c c    make -j 8  lt    this may take around 50 minutes or less to finish with 8 threads                depending on your cpu speed    make install   Result     Notes       1  This Stack Overflow answer will help to see how to verify the downloaded source file     2  Use the option --prefix to install gcc to another directory other than the default one  The toplevel installation directory defaults to  usr local  Read about gcc installation options

User · Answer

Update  Often people want the most recent version of gcc  and devtoolset is being kept up-to-date  so maybe you want devtoolset-N where N  4 5 6 7      check yum for the latest available on your system    Updated the cmds below for N 7   There is a package for gcc-7 2 1 for devtoolset-7 as an example   First you need to enable the Software Collections  then it s available in devtoolset-7   sudo yum install centos-release-scl sudo yum install devtoolset-7-gcc  scl enable devtoolset-7 bash which gcc gcc --version

User · Answer

Command to install GCC and Development Tools on a CentOS   RHEL 7 server  Type the following yum command as root user   yum group install  Development Tools   OR  sudo yum group install  Development Tools   If above command failed  try   yum groupinstall  Development Tools

User · Answer

You can use the centos-sclo-rh-testing repo to install GCC v7 without having to compile it forever  also enable V7 by default and let you switch between different versions if required   sudo yum install -y yum-utils centos-release-scl  sudo yum -y --enablerepo centos-sclo-rh-testing install devtoolset-7-gcc  echo  source  opt rh devtoolset-7 enable    sudo tee -a  etc profile  source  opt rh devtoolset-7 enable  gcc --version

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