[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"

[Peter_Dyballa at web dot de via Gcc-bugs]

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

--- Comment #147 from Peter Dyballa <Peter_Dyballa at web dot de> ---
Symlinks port deactivated, necessary five ports reactivated, build continues,
gcc/config/rs6000/host-darwin.cc could be compiled, breakfast time arrived.