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Bug 5385

Summary: CMake fails on Ubuntu: Unnecessary requirement of CMake 3.16 on non-Apple platforms
Product: SDL Reporter: Vitaly Novichkov <admin>
Component: buildAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: critical    
Priority: P2 CC: sezeroz
Version: HG 2.1   
Hardware: x86_64   
OS: Linux   
Attachments: A CMake build fix

Description Vitaly Novichkov 2020-12-09 09:18:19 UTC 
Created attachment 4557 [details]
A CMake build fix

As was reported here https://bugzilla.libsdl.org/show_bug.cgi?id=5366#c10, the inclusion of `CheckOBJCSourceCompiles` makes require the CMake 3.16 and higher. This is an unnecessary change for non-Apple platforms where this inclusion is not used at all. I made the small fix that makes sure this include will be used on Apple platforms only. At the same time, the error message on CMake less than 3.16 was added. Probably, if CMake less than 3.16 on Apple platforms still needed, the workaround will be needed.
Comment 1 Sam Lantinga 2020-12-09 14:19:49 UTC 
That change was reverted in a different way. This should be fixed now, thanks!
https://hg.libsdl.org/SDL/rev/009f21e50409
Comment 2 Vitaly Novichkov 2020-12-10 08:46:48 UTC 
Fixed, thanks for a fix! :)
Comment 3 Sam Lantinga 2020-12-13 03:21:14 UTC 
You're welcome! :)