This is guide howto build older GCC using newer one in Fedora. Currently GCC 12 for Fedora 38 using GCC 13. This is needed for running NVIDIA CUDA on Fedora 38. Check video version of guide, howto build GCC 12 for Fedora 38 using GCC 13: Subscribe and follow: Follow @inttf Build and Install GCC 12 on Fedora 38 using GCC 13 I use here sudo command for root user commands, if you don’t have/use sudo, then just use your root account directly.