> On Oct 23, 2018, at 3:01 PM, James Walker <jam...@frameforge3d.com> wrote:
>
> I had some code like this
>
> pInfo.orientation = NSPaperOrientationPortrait;
>
> where pInfo is of type NSPrintInfo*. When compiling with
> -Wunguarded-availability, I got a warning saying that
> NSPaperOrientationPortrait is only available on macOS 10.9 and later. So I
> wanted to change it to:
>
> if (@available( macOS 10.9, * ))
> {
> pInfo.orientation = NSPaperOrientationPortrait;
> }
> else
> {
> pInfo.orientation = NSPortraitOrientation
> }
>
> But then I get an error, "assigning to NSPaperOrientation from incompatible
> type NSPrintingOrientation". If I fix the error by adding a typecast to
> NSPaperOrientation, then I get a warning that NSPaperOrientation is only
> available on 10.9 and later. Is there any way out of this roundabout, other
> than using a later deployment target?
Dumb answer: use #pragma clang diagnostic to disable the guarded availability
check on that line. Something like this:
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunguarded-availability"
pInfo.orientation = (NSPaperOrientation)NSPortraitOrientation;
#pragma clang diagnostic pop
You should file a bug report against AppKit. I'm not sure there is any benefit
to marking a plain C enum as unavailable. Use of a new enum would work fine
when running on an old OS version.
--
Greg Parker gpar...@apple.com <mailto:gpar...@apple.com> Runtime
Wrangler
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