None Qt library managed by pro file

[MarekR22]

Hi,

I have some small none qt project (plugin) which should be compile with other big Qt projects.
I wish that running qmake and make in main directory of all projects will build all projects including those which are not using qt at all.
How to achieve this?

I see two possible solutions:

1. for none qt project create a pro file, which will not add any qt libraries and other dependencies and will handle creation of make file for this project.
   Is it possible?
   Is it enough to create this kind of project file?
   

   TEMPLATE = lib
   TARGET = myPlugin
   QT -= gui core
    
   INCLUDEPATH += .\
             other/paths
   SOURCES += someSourceFile.c

   TEMPLATE = lib
   TARGET = myPlugin
   QT -= gui core
   
   INCLUDEPATH += .\
             other/paths
   SOURCES += someSourceFile.c

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2. Or maybe is it possible adding in parent project a custom make file.
   In this case how to do it?