https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119751
--- Comment #4 from Zbigniew <zbigniew2011 at gmail dot com> --- Excuse me, but it'll again compile 20 hours or so. No, it's highly unlikely literally every distro has 'packaging issues' and exactly with gm2 — maybe the better way would be if you first try the example program I pasted. It won't take long.
