I found only one not the best way. Add “$(PODS_ROOT)/RestKit/Vendor/LibComponentLogging/Core” in headers search path for project target.
Explain: lcl_RK.h file is in folder path RestKit/Vendor/LibComponentLogging/Core, all other files in folder RestKit/Code/. When CocoaPods generates Headers folder, it misses lcl_RK.h file.