https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100427
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to cqwrteur from comment #8) > LOL. it bloats my mind. WHY WHY WHY are > > # DLL is installed to $(libdir)/../bin by postinstall_cmds > > Twice in libstdc++'s configure? Because it includes other .m4 files which include libtool.m4 twice. Why is it a problem? > We need a full-on cleanup on GCC source, please. That isn't going to happen unless somebody volunteers to do it.