[Bug libgcc/123976] GCC 15.2.0 (libgcc) does not build on PPC Mac OS X 10.5.8, Leopard, because of missing "md-unwind-def.h"

[iains at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123976

--- Comment #88 from Iain Sandoe <iains at gcc dot gnu.org> ---
FWIW: I just did a bootstrap-lean of GCC-16.1-darwin+makeinfo fix (on x86_64,
but that shouldn't make any difference to the build sequence) and it worked
fine.