> On Nov 2, 2016, at 09:31, Ken Cunningham <ken.cunningham.web...@gmail.com> > wrote: > > > On 2016-11-02, at 2:03 AM, Jeremy Huddleston Sequoia wrote: > >> Do you know *why* it is requiring the 10.7 SDK to build? Why can't libsdl2 >> use the 10.6 SDK effectively? >> > > I took a quick look at the code. It has a lot of AVAILABILITY_ macros in it, > a few mentioning 10.7, most of them mentioning IOS / IPHONE things.
I don't see any AVAILABILITY_ macros. I do see on interesting reference to 10.7 in src/video/cocoa/SDL_cocoawindow.m: ~/src/macports/dports/devel/libsdl2/work/SDL2-2.0.5 $ ack AVAILABILITY_ ~/src/macports/dports/devel/libsdl2/work/SDL2-2.0.5 $ ack 10\\.7 docs/README-macosx.md 19:32-bit and 64-bit Intel architectures), on Mac OS X 10.7 and newer, by using 32:Please note that building SDL requires at least Xcode 4.6 and the 10.7 SDK include/SDL_hints.h 576: * the OS isn't at least Mac OS X Lion (10.7). This hint must be set before src/video/cocoa/SDL_cocoamodes.m 47: * It happens to work, as of 10.7, but we're going to see if src/video/cocoa/SDL_cocoaopengl.m 178: /* specify a profile if we're on Lion (10.7) or later. */ 331: * supported on 10.7+. */ src/video/cocoa/SDL_cocoavideo.m 155: /* The IOPM assertion API can disable the screensaver as of 10.7. */ src/video/cocoa/SDL_cocoawindow.m 26:# error SDL for Mac OS X must be built with a 10.7 SDK or above. --- That's just: #if MAC_OS_X_VERSION_MAX_ALLOWED < 1070 # error SDL for Mac OS X must be built with a 10.7 SDK or above. #endif /* MAC_OS_X_VERSION_MAX_ALLOWED < 1070 */ which doesn't indicate what the actual problem is. What happens if you remove that? > I assume that some of those macros don't work right with the 10.6 SDK, but > the details of exactly which ones I didn't look into. > > It seems like a lot of work (too much!) to try to fix that code, and the next > version of libsdl2 would just break it all anyway. > > The 10.7 SDK shouldn't be hard to find for anyone motivated to do so, and > once it's on the buildbot (and we get that libc++ buildbot naming issue > organized) that would make it sorta moot, I would think? > > > Thanks, > > Ken
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