forked from Imagelibrary/rtems
76d527ec18
* aclocal/version.m4: New file. * aclocal/rtems-top.m4: Add RTEMS_VERSIONING, replace VERSION w/ aclocal/version.m4. * bootstrap: Use aclocal/version.m4 instead of VERSION. * configure.ac: Use aclocal/version.m4 instead of VERSION.
53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
dnl $Id$
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dnl
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dnl RTEMS_TOP($1)
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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
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AC_DEFUN(RTEMS_TOP,
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[dnl
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AC_REQUIRE([RTEMS_VERSIONING])
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AC_CHECK_PROGS(MAKE, gmake make)
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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_PREFIX_DEFAULT([/opt/rtems])
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## HACK to allow gnu-make conditionals in automake-Makefiles.
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ENDIF=endif
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AC_SUBST(ENDIF)
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RTEMS_TOPdir="$1";
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AC_SUBST(RTEMS_TOPdir)
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## with_target_subdirs is handled implicitly by autoconf
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test -n "$with_target_subdir" || with_target_subdir="."
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if test "$with_target_subdir" = "." ; then
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# Native
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PROJECT_TOPdir=${RTEMS_TOPdir}/'$(top_builddir)'
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else
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# Cross
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dots=`echo $with_target_subdir|\
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sed -e 's%^\./%%' -e 's%[[^/]]$%&/%' -e 's%[[^/]]*/%../%g'`
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PROJECT_TOPdir=${dots}${RTEMS_TOPdir}/'$(top_builddir)'
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fi
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AC_SUBST(PROJECT_TOPdir)
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if test "$with_target_subdir" = "." ; then
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# Native
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PROJECT_ROOT="${RTEMS_TOPdir}/\$(top_builddir)"
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else
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# Cross
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PROJECT_ROOT="${RTEMS_TOPdir}/\$(top_builddir)"
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fi
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AC_SUBST(PROJECT_ROOT)
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AC_MSG_CHECKING([for RTEMS Version])
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AS_IF([test -r "${srcdir}/${RTEMS_TOPdir}/aclocal/version.m4"],
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[],
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[AC_MSG_ERROR([Unable to find ${RTEMS_TOPdir}/aclocal/version.m4])])
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AC_MSG_RESULT([_RTEMS_VERSION])
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])dnl
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