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root@rcserver:/tmp# cat /usr/share/aclocal/pilot-link.m4
dnl AC_DEFUN([IT_PROG_INTLTOOL], [AC_PREREQ([2.50])dnl

AC_DEFUN([AC_PILOT_LINK_HOOK],
[
PILOT_LINK_VERS=0
PILOT_LINK_MAJOR=12
PILOT_LINK_MINOR=2
PILOT_LINK_PATCH=

AC_MSG_CHECKING(for pilot-link version >= $1)

vers=$PILOT_LINK_VERS.$PILOT_LINK_MAJOR.$PILOT_LINK_MINOR$PILOT_LINK_PATCH
pl_ve=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
pl_ma=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
pl_mi=`echo $1|sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

if test $PILOT_LINK_VERS -gt $pl_ve; then
        AC_MSG_RESULT(yes ($vers))
elif test $PILOT_LINK_VERS -eq $pl_ve; then
        if test $PILOT_LINK_MAJOR -gt $pl_ma; then 
                AC_MSG_RESULT(yes ($vers))
        elif test $PILOT_LINK_MAJOR -eq $pl_ma; then 
                if test $PILOT_LINK_MINOR -gt $pl_mi; then 
                        AC_MSG_RESULT(yes ($vers))
                elif test $PILOT_LINK_MINOR -eq $pl_mi; then 
                        AC_MSG_RESULT(yes ($vers))
                else
                        AC_MSG_ERROR(no)
                fi
        else
                AC_MSG_ERROR(no)
        fi
else
        AC_MSG_ERROR(no)
fi
])

AC_DEFUN([AC_PILOT_LINK],[
        if test x$1 = x; then
                plv=$PILOT_LINK_VERS.$PILOT_LINK_MAJOR.$PILOT_LINK_MINOR
        else
                plv=$1
        fi

        AC_PILOT_LINK_HOOK($plv)
])