LS, I've uploaded a new 1.7 version of the gsl (Gnu Scientific Library). This is an update to the new upstream GSL 1-1.13
wget -x -nH --cut-dirs=2 \ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-1.13-2-src.tar.bz2\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-1.13-2.tar.bz2\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/setup.hint\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-apps/gsl-apps-1.13-2.tar.bz2\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-apps/setup.hint\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-devel/gsl-devel-1.13-2.tar.bz2\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-devel/setup.hint\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-doc/gsl-doc-1.13-2.tar.bz2\ http://members.quicknet.nl/ar.burgers/cygwin17/gsl/gsl-doc/setup.hint Please leave gsl-1.12-4 as previous and remove any earlier releases for cygwin 1.7 kind regards Teun Burgers