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annotate m4/ax_boost_python.m4 @ 211:94bde95d7e18

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the shared library interface should now be thread safe
author Carl Byington <carl@five-ten-sg.com>
date Mon, 08 Jun 2009 11:49:39 -0700
parents 17d2d6a7587f
children 54cd1f6b2152
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1 # ===========================================================================
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2 # http://autoconf-archive.cryp.to/ax_boost_python.html
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3 # ===========================================================================
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4 #
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5 # SYNOPSIS
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6 #
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7 # AX_BOOST_PYTHON
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8 #
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9 # DESCRIPTION
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10 #
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11 # This macro checks to see if the Boost.Python library is installed. It
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12 # also attempts to guess the currect library name using several attempts.
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13 # It tries to build the library name using a user supplied name or suffix
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14 # and then just the raw library.
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15 #
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16 # If the library is found, HAVE_BOOST_PYTHON is defined and
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17 # BOOST_PYTHON_LIB is set to the name of the library.
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18 #
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19 # This macro calls AC_SUBST(BOOST_PYTHON_LIB).
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20 #
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21 # In order to ensure that the Python headers are specified on the include
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22 # path, this macro requires AX_PYTHON to be called.
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23 #
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24 # LAST MODIFICATION
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25 #
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26 # 2008-04-12
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27 #
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28 # COPYLEFT
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29 #
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30 # Copyright (c) 2008 Michael Tindal
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31 #
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32 # This program is free software; you can redistribute it and/or modify it
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33 # under the terms of the GNU General Public License as published by the
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34 # Free Software Foundation; either version 2 of the License, or (at your
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35 # option) any later version.
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36 #
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37 # This program is distributed in the hope that it will be useful, but
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38 # WITHOUT ANY WARRANTY; without even the implied warranty of
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39 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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40 # Public License for more details.
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41 #
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42 # You should have received a copy of the GNU General Public License along
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43 # with this program. If not, see <http://www.gnu.org/licenses/>.
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44 #
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45 # As a special exception, the respective Autoconf Macro's copyright owner
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46 # gives unlimited permission to copy, distribute and modify the configure
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47 # scripts that are the output of Autoconf when processing the Macro. You
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48 # need not follow the terms of the GNU General Public License when using
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49 # or distributing such scripts, even though portions of the text of the
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50 # Macro appear in them. The GNU General Public License (GPL) does govern
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51 # all other use of the material that constitutes the Autoconf Macro.
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52 #
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53 # This special exception to the GPL applies to versions of the Autoconf
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54 # Macro released by the Autoconf Macro Archive. When you make and
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55 # distribute a modified version of the Autoconf Macro, you may extend this
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56 # special exception to the GPL to apply to your modified version as well.
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57
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58 AC_DEFUN([AX_BOOST_PYTHON],
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59 [AC_REQUIRE([AX_PYTHON])dnl
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60 AC_CACHE_CHECK(whether the Boost::Python library is available,
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61 ac_cv_boost_python,
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62 [AC_LANG_SAVE
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63 AC_LANG_CPLUSPLUS
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64 CPPFLAGS_SAVE=$CPPFLAGS
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65 if test x$PYTHON_INCLUDE_DIR != x; then
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66 CPPFLAGS=-I$PYTHON_INCLUDE_DIR $CPPFLAGS
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67 fi
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68 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[
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69 #include <boost/python/module.hpp>
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70 using namespace boost::python;
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71 BOOST_PYTHON_MODULE(test) { throw "Boost::Python test."; }]],
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72 [[return 0;]]),
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73 ac_cv_boost_python=yes, ac_cv_boost_python=no)
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74 AC_LANG_RESTORE
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75 CPPFLAGS=$CPPFLAGS_SAVE
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76 ])
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77 if test "$ac_cv_boost_python" = "yes"; then
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78 AC_DEFINE(HAVE_BOOST_PYTHON,,[define if the Boost::Python library is available])
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79 ax_python_lib=boost_python
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80 AC_ARG_WITH([boost-python],AS_HELP_STRING([--with-boost-python],[specify the boost python library or suffix to use]),
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81 [if test "x$with_boost_python" != "xno"; then
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82 ax_python_lib=$with_boost_python
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83 ax_boost_python_lib=boost_python-$with_boost_python
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84 fi])
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85 for ax_lib in $ax_python_lib $ax_boost_python_lib boost_python; do
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86 AC_CHECK_LIB($ax_lib, exit, [BOOST_PYTHON_LIB=$ax_lib break])
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87 done
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88 AC_SUBST(BOOST_PYTHON_LIB)
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89 fi
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90 ])dnl