Warning: linking module flags 'SDK Version': IDs have conflicting values

App & System Services Core OS
giilby OP
Created Sep ’19
Replies 4
Boosts 0
Views 3.3k
Participants 5

When building my app with Xcode 11 (11A419c), I'm seeing a new warning in my build output:


warning: linking module flags 'SDK Version': IDs have conflicting values


The warning is output during the "Linking Metal AIR" step of the build (i.e. MetalLink). I haven't been able to find any information about what it means or how to fix it. Any ideas?

Replies  4
Boosts  0
Views  3.3k
Participants  5
tesdsfadfdas OP
Sep ’19

You are not alone. We have the same warning:


LLVM ERROR: Error opening /Users/***/Library/Developer/Xcode/DerivedData/***/Build/Intermediates.noindex/ArchiveIntermediates/***/IntermediateBuildFilesPath/***.build/Release-iphoneos/***.build/MetalKernels.air': No such file or directory!


warning: linking module flags 'SDK Version': IDs have conflicting values

0
rohdester OP
Sep ’19

I have the same warning - no idea what it means.

The Metal code works, so there's that. Still annoying tho'.

0
geoffheatley OP
Sep ’19

I have the same warning iOS 13 XCode 11

Would love to know how to get to the bottom of it.

0
ccgus OP
Sep ’20
I'm seeing this with the option -cikernel, and it goes away if the option is removed (but I need the option!)
This is in Xcode 11.7. It's pretty frustrating.
0
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