New Build System: Cannot find header files

Number:rdar://40906817 Date Originated:2018-06-07
Status:Open Resolved:None
Product:iOS + SDK Product Version:iOS 12, Xcode 10
Classification:Bug Reproducible:Always

When using the new build system (default), header files linked via the HEADER_SEARCH_PATHS directive cannot be found anymore.

Steps to Reproduce:
1. Create a new Obj-C app
2. Reference header files from a non-project location
3. Try to build your app - make sure the new build system is enabled (default)

Expected Results:
The app builds successfully.

Actual Results:
The build fails, e.g.: 'MyHeader.h' file not found

Version 10.0 beta (10L176w)

iOS 12.0 Simulator, new build system enabled


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