Install libsepol1-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libsepol1-dev
Description:
SELinux binary policy manipulation library and development files
libsepol allows programs to easily modify SELinux binary policies. This means changing the default values for booleans, or reading the policy for analysis. . This package contains the headers and archives used for linking it into your programs.
Homepage: http://userspace.selinuxproject.org/
Version: 2.7-1
Section: libdevel