https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98590
--- Comment #11 from Mikael Pettersson <mikpelinux at gmail dot com> --- (In reply to Eric Botcazou from comment #10) > > Kludge to work around configure breakage. Not pretty, but at least it lets > > bootstrap w/ Ada succeed on Cygwin. > > OK, let's go for this. Can you post it on the gcc-patches@ mailing list? Done: https://gcc.gnu.org/pipermail/gcc-patches/2021-February/564804.html Sorry about the delay, I had issues building current trunk on Cygwin, with symptoms similar to those shown in the DWARF5 regression PRs.