Install libreiser4-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libreiser4-dev
Description:
Reiser4's filesystem access and manipulation library. Devel files
These are the development files for Reiser4 libraries. . They are part of the Reiser4's filesystem support tools.
Homepage: https://reiser4.wiki.kernel.org
Version: 1.2.0-2
Section: libdevel