dnl $Id: rtems-top.m4,v 1.2 2001-09-27 11:59:11 chris Exp $
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dnl $Id: rtems-top.m4,v 1.2 2001-09-27 11:59:11 chris Exp $
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dnl
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dnl
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dnl RTEMS_TOP($1)
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dnl RTEMS_TOP($1)
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dnl
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dnl
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dnl $1 .. relative path from this configure.in to the toplevel configure.in
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dnl $1 .. relative path from this configure.in to the toplevel configure.in
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dnl
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dnl
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AC_DEFUN(RTEMS_TOP,
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AC_DEFUN(RTEMS_TOP,
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[dnl
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[dnl
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AC_BEFORE([$0], [AC_CONFIG_AUX_DIR])dnl
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AC_BEFORE([$0], [AC_CONFIG_AUX_DIR])dnl
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AC_BEFORE([$0], [AM_INIT_AUTOMAKE])dnl
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AC_BEFORE([$0], [AM_INIT_AUTOMAKE])dnl
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AC_ARG_WITH(target-subdir,
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=DIR],
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[ --with-target-subdir=DIR],
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TARGET_SUBDIR="$withval",
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TARGET_SUBDIR="$withval",
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TARGET_SUBDIR=".")
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TARGET_SUBDIR=".")
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RTEMS_TOPdir="$1";
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RTEMS_TOPdir="$1";
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AC_SUBST(RTEMS_TOPdir)
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AC_SUBST(RTEMS_TOPdir)
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dnl Determine RTEMS Version string from the VERSION file
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dnl Determine RTEMS Version string from the VERSION file
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dnl Hopefully, Joel never changes its format ;-
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dnl Hopefully, Joel never changes its format ;-
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AC_MSG_CHECKING([for RTEMS Version])
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AC_MSG_CHECKING([for RTEMS Version])
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if test -r "${srcdir}/${RTEMS_TOPdir}/VERSION"; then
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if test -r "${srcdir}/${RTEMS_TOPdir}/VERSION"; then
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changequote(,)dnl
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changequote(,)dnl
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RTEMS_VERSION=`grep Version ${srcdir}/${RTEMS_TOPdir}/VERSION | \
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RTEMS_VERSION=`grep Version ${srcdir}/${RTEMS_TOPdir}/VERSION | \
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sed -e 's%RTEMS[ ]*Version[ ]*\(.*\)[ ]*%\1%g'`
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sed -e 's%RTEMS[ ]*Version[ ]*\(.*\)[ ]*%\1%g'`
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changequote([,])dnl
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changequote([,])dnl
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else
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else
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AC_MSG_ERROR(Unable to find ${RTEMS_TOPdir}/VERSION)
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AC_MSG_ERROR(Unable to find ${RTEMS_TOPdir}/VERSION)
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fi
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fi
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if test -z "$RTEMS_VERSION"; then
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if test -z "$RTEMS_VERSION"; then
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AC_MSG_ERROR(Unable to determine version)
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AC_MSG_ERROR(Unable to determine version)
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fi
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fi
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AC_MSG_RESULT($RTEMS_VERSION)
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AC_MSG_RESULT($RTEMS_VERSION)
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])dnl
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])dnl
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