compile source code file

[wysota]

I guess the question is about building a shared library. Assuming you know what qmake is, you have to create a qmake project with such settings:

TEMPLATE=lib
CONFIG+=dll

TEMPLATE=lib
CONFIG+=dll

To copy to clipboard, switch view to plain text mode 

[eva]

hmmm. I've got my main function in one file and all the functions that are used by main in another file .cpp and of course the header file

[aamer4yu]

How do you do it in C++ ??
#include....

Same is with Qt...Qt is C++ based,,,

[wysota]

hmmm. I've got my main function in one file and all the functions that are used by main in another file .cpp and of course the header file

You need to have a project file (with a .pro extension). Otherwise there is no way in determining what you want to do with your files.

[eva]

You need to have a project file (with a .pro extension). Otherwise there is no way in determining what you want to do with your files.

hmmm I see thanks