https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117258
--- Comment #2 from David Binderman <dcb314 at hotmail dot com> --- I had a quick look: BUILD $ find elk* -name libxcifc.f90 -print elk-9.2.12/src.orig/libxcifc.f90 elk-9.2.12/src/libxcifc.f90 BUILD $ find elk-9.2.12 -name xc_f03_lib_m.mod -print BUILD $ So where should this file be ? I am not a FORTRAN programmer.