On 09/01/2010 04:09 PM, Angelo Graziosi wrote: > So, what does Cygwin people need to have QP with gfortran? I am not sure whether it cures the problem, but you might want to try the patch at http://gcc.gnu.org/ml/gcc-patches/2010-09/msg00040.html (for GCC 4.6) before building libquad. If it works, you can try to build libgfortran with libquad support. Tobias