https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100340
--- Comment #8 from Jürgen Reuter <juergen.reuter at desy dot de> --- (In reply to Iain Sandoe from comment #6) > > 1. (re-)install xcode 12.4 command line tools and select them for use > 2. disable debug comparison in the bootstrap ( --without-build-config ) Just to report that --without-build-config did successfully compile and bootstrap.