There is no need to install xpuz separately. Just unzip xjigsaw and run it.
Note: When xjigsaw first runs, it will create an include folder inside the folder it is run from.
Keep the xjigsaw executable inside the xjigsaw folder.
You can put the xjigsaw folder anywhere.
Debian based 64bit versions
Built on Mint 20 64bit
xpuz source download
xpuz 2.7.1 source download
Download xpuz source
To build and install xpuz...
Go to the xpuz-source folder and make, sudo make install
Note: xJigsaw does not require xpuz. The download is here only to provide the source.