Node: Fortran 77 and Autoconf, Previous: Mixing Fortran 77 With C and C++, Up: Fortran 77 Support
The current Automake support for Fortran 77 requires a recent enough version of Autoconf that also includes support for Fortran 77. Full Fortran 77 support was added to Autoconf 2.13, so you will want to use that version of Autoconf or later.