On 2018-01-27, at 6:10 AM, Ryan Schmidt wrote: > > Correct, Availability.h was introduced in Mac OS X 10.5. 10.4 and earlier > must use AvailabilityMacros.h instead.
A suggestion for all the other Tiger users out there: This comes up all the time. Not many people are interested in special-casing Tiger any more. Just make a symlink in your 10.4 SDK: sudo ln -s AvailabilityMacros.h Availability.h and you'll never see this error again. I did this years ago, with never an issue. Ken
