Why linker link static libraries with errors? iOS

Question

I have a problem with linking my mixed language framework to a project.

1) I create a framework with Swift and Objective-C classes.

2) The main logic was stored in the

Answer 1

For XCode 11 beta 4 Library Search Paths should be:

$(TOOLCHAIN_DIR)/usr/lib/swift-5.0/$(PLATFORM_NAME)