IIRC commercial support for GCC is included with some RHEL and SLES subscriptions (probably all except the lowest-cost "desktop"). Red Hat also has a Developer

IIRC commercial support for GCC is included with some RHEL and SLES subscriptions (probably all except the lowest-cost "desktop"). Red Hat also has a Developer Toolset product that includes a (more recent) complete native toolchain, and SUSE has a similar SLES 12 Toolchain Module / SLES 15 Development Tools Module. https://developers.redhat.com/products/developertoolset/overview https://developers.redhat.com/products/developertoolset/over... https://www.suse.com/c/suse-linux-essentials-where-are-the-compilers-understanding-the-development-tools-module/ https://www.suse.com/c/suse-linux-essentials-where-are-the-c... I haven't heard of commercial clang support though.