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1 | dnl $Id$ |
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2 | |
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3 | m4_define([RTEMS_API],[4.6]) |
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4 | |
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5 | dnl |
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6 | dnl RTEMS_TOP($1) |
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7 | dnl |
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8 | dnl $1 .. relative path from this configure.in to the toplevel configure.in |
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9 | dnl |
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10 | AC_DEFUN([RTEMS_TOP], |
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11 | [dnl |
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12 | AC_REQUIRE([RTEMS_VERSIONING]) |
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13 | AC_CONFIG_AUX_DIR([$1]) |
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14 | AC_CHECK_PROGS(MAKE, gmake make) |
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15 | AC_BEFORE([$0], [AM_INIT_AUTOMAKE])dnl |
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16 | |
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17 | AC_PREFIX_DEFAULT([/opt/rtems-][RTEMS_API]) |
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18 | |
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19 | ## HACK to allow gnu-make conditionals in automake-Makefiles. |
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20 | ENDIF=endif |
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21 | AC_SUBST(ENDIF) |
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22 | |
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23 | RTEMS_TOPdir="$1"; |
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24 | AC_SUBST(RTEMS_TOPdir) |
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25 | |
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26 | ## with_target_subdirs is handled implicitly by autoconf |
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27 | test -n "$with_target_subdir" || with_target_subdir="." |
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28 | |
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29 | if test "$with_target_subdir" = "." ; then |
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30 | # Native |
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31 | PROJECT_TOPdir="${with_project_root}${RTEMS_TOPdir}/\$(MULTIBUILDTOP)\$(top_builddir)" |
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32 | else |
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33 | # Cross |
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34 | dots=`echo $with_target_subdir|\ |
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35 | sed -e 's%^\./%%' -e 's%[[^/]]$%&/%' -e 's%[[^/]]*/%../%g'` |
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36 | PROJECT_TOPdir="${dots}${with_project_root}${RTEMS_TOPdir}/\$(MULTIBUILDTOP)\$(top_builddir)" |
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37 | fi |
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38 | AC_SUBST(PROJECT_TOPdir) |
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39 | |
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40 | PROJECT_ROOT="${with_project_root}${RTEMS_TOPdir}/\$(MULTIBUILDTOP)\$(top_builddir)" |
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41 | AC_SUBST(PROJECT_ROOT) |
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42 | |
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43 | AC_MSG_CHECKING([for RTEMS Version]) |
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44 | AS_IF([test -r "${srcdir}/${RTEMS_TOPdir}/cpukit/aclocal/version.m4"], |
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45 | [], |
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46 | [AC_MSG_ERROR([Unable to find ${RTEMS_TOPdir}/cpukit/aclocal/version.m4])]) |
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47 | AC_MSG_RESULT([_RTEMS_VERSION]) |
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48 | ])dnl |
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