Lack of bitcode in debug builds causes linker failure in integrating target with bitcode enabled

[lyricsboy]

I'm attempting to use CleanroomLogger in a setup similar to what's described in this post:

http://www.mokacoding.com/blog/carthage-no-build/

Steps to reproduce:

• Use Carthage with the --no-build and --use-submodules options to manage dependencies
• Add the CleanroomLogger project to the integrating target's workspace
• Drag CleanroomLogger.framework from the CleanroomLogger project's Products group into the integrating target's "embed binaries" build phase.
• Build the integrating target in debug mode for device (iphoneos)

Result:

Linker error about binary not containing bitcode.

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If I remove the ENABLE_BITCODE=NO setting from Debug.xcconfig, all appears to be well.

I'm curious: why the complex conditions around bitcode settings at this point? Seems like it could just be left alone...