https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88549
--- Comment #2 from kargl at gcc dot gnu.org --- (In reply to kargl from comment #1) > There isn't an installed iso_c_binding.mod, and there > never will be. It is generated and stored in memory > when needed by gfortran. Just noticed your error message is from flang. flang is not gfortran.