After installing sci-libs/cfitsio-2.510-r1 the libraries in /usr/lib included an open link: # ls /usr/lib/libcfit* -l -rwxr-xr-x 1 root root 1060676 Jun 1 09:39 /usr/lib/libcfitsio.so.0 lrwxrwxrwx 1 root root 17 Jun 1 09:39 /usr/lib/libcfitsio.so -> libcfitsio.so.0.0 An extra '.0' added to link destination. After changing the link it works OK. regards Christian Andersen
Thanks; fixed.