fix subtoolchains for nvompi + old NVHPC toolchains, and mark nvidia-compilers as optional subtoolchain since it's only used for recent NVHPC versions #5073

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.