- Download files from and extract them: https://jp-andre.pagesperso-orange.fr/download-source.html#ultradefrag-5.0.0AB.8.zip
- Install required headers:
sudo apt install libncurses-dev ntfs-3g-dev
- Edit
src/Makefile
:... LIB1=/usr/lib/x86_64-linux-gnu/ LIB2=/usr/lib/gcc/x86_64-linux-gnu/9/
NTFSLIB=${LIB1}/libntfs-3g.so.*.0.0