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Bug 5368

Summary: iOS static library needs to have hidapi file added to compile sources
Product: SDL Reporter: Dominik Reichardt <sdl-bugzilla>
Component: *don't know*Assignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: HG 2.0   
Hardware: iPhone/iPod touch   
OS: iOS (All)   
Attachments: patch that adds hidapi main file to compile sources for all static targets

Description Dominik Reichardt 2020-11-27 23:57:41 UTC 
Trying to integrate the latest SDL2 changes into our iOS project of Exult I've stumbled over the fact that the static SDL2 library for iOS needs /src/hidapi/ios/hid.m added to the compile sources.

In Xcode open the project file -> click on the target  "static library-ios" ->  click on "build phases" -> add /src/hidapi/ios/hid.m to "Compile sources".

I had no luck adding and embedding the hidapi framework for iOS. This works for the simulator and even for attached devices but when you try to archive such a project for upload to the App Store your archive is not valid for that.
So making the static library completely static is the only way.
Comment 1 Dominik Reichardt 2020-11-28 19:46:11 UTC 
Created attachment 4545 [details]
patch that adds hidapi main file to compile sources for all static targets

This patch adds the necessary hidapi files to all three static targets.
Comment 2 Sam Lantinga 2020-12-01 22:40:37 UTC 
The solution for most people is to disable SDL_JOYSTICK_HIDAPI support on iOS builds, as they probably don't need Steam Controller support and this removes a Bluetooth dependency.

I'll ponder the best way to handle this, and in the meantime we should document that if you're building with the static library then you should disable that.
Comment 3 Sam Lantinga 2020-12-01 22:44:05 UTC 
Okay, this is disabled by default on iOS and tvOS:
https://hg.libsdl.org/SDL/rev/4257e4cd0c60
Comment 4 Dominik Reichardt 2020-12-01 22:57:09 UTC 
Thanks, I'll need to test but it looks as that suits my simple needs ;)

But eventually you probably need to figure out how to andle this static build IF you want hidapi to be enabled.
Comment 5 Sam Lantinga 2020-12-02 00:23:48 UTC 
Oh, that's easy, just make the same change that your patch does. I just don't want to force everybody to do that by default.