sudo apt install dh-make

Branch and prepare the code

Branch the code into a folder named name-version, then ensure a MakeFile exists by running cmake, qmake etc.

qmake .

Adding the debian folder

dh_make -c gpl3 -e $EMAIL --createorig

Cleaning the folder

cd debian
rm *.ex *.EX

If you don't need any docs

rm REAME.* *.docs

Edit the files

Ensure that the following files are correct

Making a .deb

For building the package into a deb see building