This Debian package is developed in a Git repository. to build
from a git checkout:
  debian/rules get-orig-source # take commit from debian/changelog
  mv fpgatools_0.0+*.orig.tar.gz ..
  debuild

A quick how to generate symbols file:
  dpkg-gensymbols -plibfpga0 | patch -p0
  mv new_symbol_file  debian/libfpga0.symbols
  perl -pi -e 's/-\d.*//' debian/libfpga0.symbols
