Makefile not resolving prerequisite from other files

**Is this a bug report, or a feature request?**
Bug

**What is the current behavior?**
Makefile not resolving prerequisite from other files and marking them as unresolved

**If the current behavior is a bug, please provide the steps to reproduce.**
Create a rule
targets : prerequisites
and write the prerequisites in another included file

**What is the expected behavior?**
Resolve prerequisites from included files