Full documentation is at: http://cira.ivec.org/dokuwiki/doku.php/difx/vex2difx Requirements: vex2difx requires a recent version of difxio available at: https://svn.atnf.csiro.au/difx/libraries/difxio/trunk To install from a fresh svn checkout, run the following: aclocal libtoolize --copy --force autoconf autoheader automake -a ./configure --prefix=${DIFXROOT} make # (su root?) make install After an svn update, these steps do not need to be rerun. at most, running autoreconf should be enough, but usually just "make" will update everything properly.