I seem to be missing the header file gsl/gsl_vector_complex_long_double.h. I get the following error message from make (Mac OS 10.1, gcc 2.95.2): Making all in vector make[2]: *** No rule to make target `../gsl/gsl_vector_complex_long_double.h', needed by `init.lo'. Stop. Any help would be appreciated. Thanks, Rodney