dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
dnl ---------------
dnl Verify version of GNAT.
AC_DEFUN([CF_GNAT_VERSION],
[
AC_MSG_CHECKING(for gnat version)
cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
	grep '[[0-9]].[[0-9]][[0-9]]*' |\
	sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
AC_MSG_RESULT($cf_gnat_version)

case $cf_gnat_version in
(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
	cf_cv_prog_gnat_correct=yes
	;;
(*)
	AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
	cf_cv_prog_gnat_correct=no
	;;
esac
])
