[Bug fortran/35276] Doc should described how to compile mixed-language programs

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35276

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> I think we can close this. The preferred way is to
> use C interop. Anybody mind if I close this?

Or "is there important things to add to 7 Mixed-Language Programming?".