Existing code in the sfp-machine header has been using __MACH__
as a guard for Mach-O, where currently symbols aliases are not
supported.
__MACH__ is not a sufficient guard for this, since the define
is also emitted for HURD, at least.
Fixed by amending the guard to use __APPLE__ instead.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
libgcc/ChangeLog:
* config/i386/sfp-machine.h: Guard Mach-O-specific code
using __APPLE__.