This is guide howto build older GCC using newer one in Fedora. Currently GCC 13 on Fedora 40 using GCC 14. This is needed for running NVIDIA CUDA on Fedora 40. Check video version of guide, howto build GCC 13 on Fedora 40 using GCC 14: Support inttf: Buy Me a Coffee: Subscribe and follow: Follow @inttf Build and Install GCC 13 on Fedora 40 using GCC 14 I use here sudo command for root user commands, if you don’t have/use sudo, then just use your root account directly.