dnl we override the AC_LANG_PROGRAM macro here so we can portably
dnl include a Fortran header
dnl
dnl it's meant to stay only as long as 2.64 is still reasonably current
dnl the original Copyright notice is as follows:
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# Autoconf.  We call these the "data" portions.  The rest of the Autoconf
# source text consists of comments plus executable code that decides which
# of the data portions to output in any given case.  We call these
# comments and executable code the "non-data" portions.  Autoconf never
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# AC_LANG_PROGRAM(Fortran)([PROLOGUE], [BODY])
# -----------------------------------------------
# FIXME: can the PROLOGUE be used?
# Yes, override AC_LANG_PROGRAM(Fortran)([PROLOGUE], [BODY]) with a version
# that uses prologue
m4_define([AC_LANG_PROGRAM(Fortran)],dnl
[      program conftest
m4_ifval([$1],[$1
])$2
      end])
