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dnl $Id: rtems-top.m4,v 1.2 2001-09-27 11:59:11 chris Exp $

dnl

dnl RTEMS_TOP($1)

dnl

dnl $1 .. relative path from this configure.in to the toplevel configure.in

dnl

AC_DEFUN(RTEMS_TOP,

[dnl

AC_BEFORE([$0], [AC_CONFIG_AUX_DIR])dnl

AC_BEFORE([$0], [AM_INIT_AUTOMAKE])dnl

AC_ARG_WITH(target-subdir,

[  --with-target-subdir=DIR],

TARGET_SUBDIR="$withval",

TARGET_SUBDIR=".")

RTEMS_TOPdir="$1";

AC_SUBST(RTEMS_TOPdir)

dnl Determine RTEMS Version string from the VERSION file

dnl Hopefully, Joel never changes its format ;-

AC_MSG_CHECKING([for RTEMS Version])

if test -r "${srcdir}/${RTEMS_TOPdir}/VERSION"; then

changequote(,)dnl

RTEMS_VERSION=`grep Version ${srcdir}/${RTEMS_TOPdir}/VERSION | \

sed -e 's%RTEMS[        ]*Version[      ]*\(.*\)[       ]*%\1%g'`

changequote([,])dnl

else

AC_MSG_ERROR(Unable to find ${RTEMS_TOPdir}/VERSION)

fi

if test -z "$RTEMS_VERSION"; then

AC_MSG_ERROR(Unable to determine version)

fi

AC_MSG_RESULT($RTEMS_VERSION)

])dnl