AC_CHECK_LIB(gslcblas,main,,AC_MSG_ERROR([You must install libgslcblas]))
AC_CHECK_LIB(gsl, gsl_cdf_chisq_Q,,
AC_MSG_ERROR([You must install libgsl version 1.4 or later]))
AC_CHECK_LIB(gslcblas,main,,AC_MSG_ERROR([You must install libgslcblas]))
AC_CHECK_LIB(gsl, gsl_cdf_chisq_Q,,
AC_MSG_ERROR([You must install libgsl version 1.4 or later]))