To build everything for Debian:
  apt-get install --no-install-recommends -y gcc md5deep fakeroot dpkg-dev libc6-dev libx11-dev libxext-dev libasound2-dev
  apt-get install libfcl-dev   OR  build and install it manually from https://dev.m1089.ru/fcl
  ./build.sh
And see ./build/ directory contents