Hi Arnold, > On 21 Apr 2023, at 10:03, arnold@xxxxxxxxxx wrote: > So, if I understand you, I can use the native GCC to bootstrap the > most recent release of GCC 10, and from there bootstrap current releases? Yes. > I will try it out. Bootstrapping GCC takes several hours, I let it > run overnight usually. > > If you want I can fire up the mac and send you the output of uname -a > and gcc --version. Not necessary unless there’s some problem - I am assuming you are using 10.5 (Leopard / Darwin9) - OTOH, If you are on Tiger / 10.4 / Darwin8, then there are some additional steps needed to update the system tools to something modern enough to support the C++ in use. > BTW, you mention that GCC 14 is the current trunk, but I don't see GCC 13 > on ftp.gnu.org, only GCC 12. Any idea why that is? GCC-13 is currently in the release process - expected to appear within the next week or two. Iain