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dnl rtems-top.m4,v 1.5 2002/07/31 14:40:48 ralf 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_REQUIRE([RTEMS_VERSIONING])

AC_CHECK_PROGS(MAKE, gmake make)

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

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

AC_PREFIX_DEFAULT([/opt/rtems])

## HACK to allow gnu-make conditionals in automake-Makefiles.

ENDIF=endif

AC_SUBST(ENDIF)

RTEMS_TOPdir="$1";

AC_SUBST(RTEMS_TOPdir)

## with_target_subdirs is handled implicitly by autoconf

test -n "$with_target_subdir" || with_target_subdir="."

if test "$with_target_subdir" = "." ; then

# Native

PROJECT_TOPdir="${with_project_root}${RTEMS_TOPdir}/\$(MULTIBUILDTOP)\$(top_builddir)"

else

# Cross

dots=`echo $with_target_subdir|\

sed -e 's%^\./%%' -e 's%[[^/]]$%&/%' -e 's%[[^/]]*/%../%g'`

PROJECT_TOPdir="${dots}${with_project_root}${RTEMS_TOPdir}/\$(MULTIBUILDTOP)\$(top_builddir)"

fi

AC_SUBST(PROJECT_TOPdir)

PROJECT_ROOT="${with_project_root}${RTEMS_TOPdir}/\$(MULTIBUILDTOP)\$(top_builddir)"

AC_SUBST(PROJECT_ROOT)

AC_MSG_CHECKING([for RTEMS Version])

AS_IF([test -r "${srcdir}/${RTEMS_TOPdir}/cpukit/aclocal/version.m4"],

[],

[AC_MSG_ERROR([Unable to find ${RTEMS_TOPdir}/cpukit/aclocal/version.m4])])

AC_MSG_RESULT([_RTEMS_VERSION])

])dnl