If you want to use this program, you probably also want to download some precompiled binaries of the required libraries. These can be found at http://grey.havens.online.fr/lojban/viewtool/ncurses++-5.1-patched.tar.gz A precompiled binary of the program itself, statically linked (no libraries needed) for linux_i386_elf is at http://grey.havens.online.fr/lojban/viewtool/app-static.linux_i386_elf.gz Documentation is in the source archive.