Copy files to temp:cp -r '/dir/of/the/source/files' /tmp
Go to the copied files:cd /tmp/source-dir-name
While doing dh_make press "s" for the first question and "enter" for the second one:dh_make --createorig
Build the package:dpkg-buildpackage -rfakeroot
.deb file should appear into your /tmp directory if building was successful.