Hi In my site.cfg I have [DEFAULT] library_dirs = /home/ossetest/lib64:/home/ossetest/lib include_dirs = /home/ossetest/include [fftw] libraries = fftw3 but libfftw3.a isn't being accesed. ls -lu ~/lib/libfftw3.a -rw-r--r-- 1 ossetest ossetest 1572628 Jul 26 15:02 /home/ossetest/lib/libfftw3.a anybody know why? Mathew