Makefile to compile my libs and apps

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Hi,

I have my librariis in my /dir/libs/ directory and applications that are
use my own libraries in /dir/apps/ directory. For example:

/dir/libs/
  MyLibA.cpp
  MyLibA.hpp
  MyLibB.cpp
  MyLibB.hpp
  MyLibC.cpp
  MyLibC.hpp

/dir/apps/
  MyAppA.cpp
  MyAppA.hpp
  MyAppB.cpp
  MyAppB.hpp
  MyAppC.cpp
  MyAppC.hpp

Could someone show me how to write a Makefile to compile my libraries and
another Makefile to compile my applications via g++?

Thanks in advance.