as_fn_error $? "No usable BLACS or ScaLAPACK 2 found. If installed in a non-standard place, please specify suitable LDFLAGS and FCFLAGS as arguments to configure" "$LINENO" 5
AC_MSG_ERROR([No usable BLACS or ScaLAPACK 2 found. If installed in a non-standard place, please specify suitable LDFLAGS and FCFLAGS as arguments to configure])