AC_FC_HAVE_OLD_TYPELESS_BOZ
Test whether the Fortran compiler (FC) supports
typeless BOZ constants in the OLD (VMS and g77) Fortran style. These
are constants written in the format 'xxx'X, which allow
the initialisation of any type to a specific bit pattern. If so set
the preprocessor variable HAVE_OLD_TYPELESS_BOZ to be
1.
See also AC_FC_HAVE_BOZ and AC_FC_HAVE_TYPELESS_BOZ.