Christopher Nielsen

While 10.7, 10.8, 10.9, 10.10, and 10.12 are all fixed, 10.11 fails with the following: ``` libavutil/hwcontext_videotoolbox.c:628:9: error: use of unknown builtin '__builtin_available' [-Wimplicit-function-declaration] if (__builtin_available(macOS 10.8, iOS 10, *))...

> @mascguy https://trac.macports.org/ticket/64469 > > `patch-avutil-builtin-available.diff` should be updated or just blacklist clang < 900. Just curious, has that been done for `ffmoeg-devel`?

P.s. Oh, you need to rev-bump the port too

@lukaso This is still a work-in-progress, and I need to re-review your overlays to ensure I didn't miss anything. But just a heads-up that it's in-progress.

@i0ntempest Zhenfu, I'd prefer to update this, as there are a lot of things missing from your PR. That includes key things from Lukas' overlays.

@lukaso Do we need to force the deployment target to 11.x in order to get this to build? In which case, do we also need the 11.x SDK at build...

> GIMP itself should work fine with any OS version. So if all the dependencies are building under 10.12, there's nothing in GIMP that should cause problems. I ask, as...

>> Presumably this succeeds when forcing the deployment target to 11.x, with the matching SDK? > > Forcing 14.0 is enough to get pass this, but I got another error...

> Looks like a different error originating from the same `gimppickbutton-quartz.c`: > > And for whatever reason this doesn't occur on my system. Chatgpt says the following: The error you're...

> > To resolve this, add the necessary Objective-C framework imports at the top of gimppickbutton-quartz.c > > Yeah, this error looks like something wrong with the build system. Could...