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Bug 3786

Summary: building against a Mac OS X SDK < 10.11 fails since the vulkan merge
Product: SDL Reporter: Ozkan Sezer <sezeroz>
Component: videoAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: HG 2.0   
Hardware: All   
OS: Mac OS X (All)   

Description Ozkan Sezer 2017-08-29 02:15:27 UTC 
Since the Vulkan merge, building against a Mac OS X SDM older than
10.11 fails in SDL_cocoametalview.m because Metal.framework is not
present. There is no conditional compiling in SDL_cocoametalview.m
either, so --disable-video-vulkan doesn't help with anything. (The
configury doesn't check darwin for x86_64 either, but it's another
story.)

I cross-build against 10.8 SDK on linux using clang-3.4.2 and this
is a problem for me.  Will this be fixed?
Comment 1 Sam Lantinga 2017-08-29 05:43:20 UTC 
This is fixed so --disable-video-vulkan will do what you want:
https://hg.libsdl.org/SDL/rev/ff9e8ae4d4fb

and configure should automatically detect whether you have the Metal headers:
https://hg.libsdl.org/SDL/rev/0783887749f6

This was fixed for Xcode in this commit:
https://hg.libsdl.org/SDL/rev/d459d8934897

It's set up now so that if you add the Metal SDK to an older SDK release you'll be able to build Vulkan support.

Thanks!