https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86450
--- Comment #9 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #7) > These warnings have been present for weeks - the idea that they're suddenly > preventing anybody from working on gfortran is odd. Why can't you use > autoconf or autoreconf like everybody else? It is odd that somebody who apparently does not know gfortran comes to such a judgement without knowing the details. Hint: Regenerating m4 files in libgfortran.
