Version 2.8.4-1 of packages flint (source only) libflint-devel libflint16 (API bump) are available in the Cygwin distribution: CHANGES Latest upstream version http://flintlib.org/news.html DESCRIPTION FLINT: Fast Library for Number Theory It supports arithmetic with numbers, polynomials, power series and matrices over many base rings, HOMEPAGE http://flintlib.org/ Marco Atzeri If you have questions or comments, please send them to the cygwin mailing list at: cygwin (at) cygwin (dot) com .