Does XCode Cloud not support Obj-c runtime flags?

When building/archiving a mixed Obj-C/Swift app from an XCode Cloud Workflow, it seems that the GCC_PREPROCESSOR_DEFINITIONS (Preprocessor Macros) are not used. We use them for environment switching based on scheme and we'd like to send a test build to Testflight through XCode Cloud for internal testing.

If this is the case, is the only option to rewrite code to use Swift Active Compilation Conditions?

Hmm I realize now that "runtime" in the title is not accurate, but hopefully everyone understands

Does XCode Cloud not support Obj-c runtime flags?
 
 
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