If gcc is not installed,install it
dnf install gcc -y
CentOS 8 come with GCC 8.3.1. Check it with DNF dnf info gcc
Failed to set locale, defaulting to C.UTF-8
Last metadata expiration check: 0:05:07 ago on Tue Aug 18 02:10:41 2020.
Available Packages
Name : gcc
Version : 8.3.1
Release : 5.el8.0.2
Architecture : x86_64
Size : 23 M
Source : gcc-8.3.1-5.el8.0.2.src.rpm
Repository : AppStream
Summary : Various compilers (C, C++, Objective-C, ...)
URL : http://gcc.gnu.org
License : GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
Description : The gcc package contains the GNU Compiler Collection version 8.
: You'll need this package in order to compile C code.
or by using gcc –version command:
gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5) Copyright (C) 2018 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.
To Upgrade GCC to GCC 9.X, you must install Development Tools firs.
[sourcecode]sudo dnf group install "Development Tools"[/sourcecode]
and install libmpc-devel:
[sourcecode]dnf –enablerepo=PowerTools install libmpc-devel[/sourcecode]
download and install the specific GCC you want:
wget http://gnu.mirror.constant.com/gcc/gcc-$GCC_VERSION/gcc-9.2.0.tar.gz tar zxf gcc-9.2.0.tar.gz rm -rf gcc-build mkdir gcc-build cd gcc-build ../gcc-9.2.0/configure --enable-languages=c,c++ --disable-multilib make -j$(nproc) make install
make sure your GCC is successfully compiled with this command:
gcc --version gcc (GCC) 9.2.0 Copyright (C) 2019 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.