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annotate m4/ax_boost_python.m4 @ 405:af8ae7bd3fed stable-0-6-75

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allow building on el8
author Carl Byington <carl@five-ten-sg.com>
date Tue, 16 Jun 2020 16:21:47 -0700
parents 3cbda103e0ef
children
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1 # ===========================================================================
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2 # https://www.gnu.org/software/autoconf-archive/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 correct 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 and the Boost libraries are
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22 # specified on the include path, this macro requires AX_PYTHON_DEVEL and
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23 # AX_BOOST_BASE to be called.
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24 #
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25 # LICENSE
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26 #
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27 # Copyright (c) 2008 Michael Tindal
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28 # Copyright (c) 2013 Daniel M"ullner <daniel@danifold.net>
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29 #
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30 # This program is free software; you can redistribute it and/or modify it
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31 # under the terms of the GNU General Public License as published by the
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32 # Free Software Foundation; either version 2 of the License, or (at your
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33 # option) any later version.
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34 #
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35 # This program is distributed in the hope that it will be useful, but
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36 # WITHOUT ANY WARRANTY; without even the implied warranty of
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37 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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38 # Public License for more details.
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39 #
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40 # You should have received a copy of the GNU General Public License along
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41 # with this program. If not, see <https://www.gnu.org/licenses/>.
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42 #
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43 # As a special exception, the respective Autoconf Macro's copyright owner
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44 # gives unlimited permission to copy, distribute and modify the configure
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45 # scripts that are the output of Autoconf when processing the Macro. You
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46 # need not follow the terms of the GNU General Public License when using
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47 # or distributing such scripts, even though portions of the text of the
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48 # Macro appear in them. The GNU General Public License (GPL) does govern
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49 # all other use of the material that constitutes the Autoconf Macro.
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50 #
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51 # This special exception to the GPL applies to versions of the Autoconf
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52 # Macro released by the Autoconf Archive. When you make and distribute a
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53 # modified version of the Autoconf Macro, you may extend this special
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54 # exception to the GPL to apply to your modified version as well.
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55
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56 #serial 22
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57
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58 AC_DEFUN([AX_BOOST_PYTHON],
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59 [AC_REQUIRE([AX_PYTHON_DEVEL])dnl
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60 AC_REQUIRE([AX_BOOST_BASE])dnl
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61 AC_LANG_PUSH([C++])
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62 ax_boost_python_save_CPPFLAGS="$CPPFLAGS"
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63 ax_boost_python_save_LDFLAGS="$LDFLAGS"
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64 ax_boost_python_save_LIBS="$LIBS"
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65 if test "x$PYTHON_CPPFLAGS" != "x"; then
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66 CPPFLAGS="$PYTHON_CPPFLAGS $CPPFLAGS"
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67 fi
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68
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69 # Versions of AX_PYTHON_DEVEL() before serial 18 provided PYTHON_LDFLAGS
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70 # instead of PYTHON_LIBS, so this is just here for compatibility.
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71 if test "x$PYTHON_LDFLAGS" != "x"; then
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72 LDFLAGS="$PYTHON_LDFLAGS $LDFLAGS"
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73 fi
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74
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75 # Note: Only versions of AX_PYTHON_DEVEL() since serial 18 provide PYTHON_LIBS
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76 # instead of PYTHON_LDFLAGS.
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77 if test "x$PYTHON_LIBS" != "x"; then
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78 LIBS="$PYTHON_LIBS $LIBS"
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79 fi
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80
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81 if test "x$BOOST_CPPFLAGS" != "x"; then
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82 CPPFLAGS="$BOOST_CPPFLAGS $CPPFLAGS"
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83 fi
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84 if test "x$BOOST_LDFLAGS" != "x"; then
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85 LDFLAGS="$BOOST_LDFLAGS $LDFLAGS"
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86 fi
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87 AC_CACHE_CHECK(whether the Boost::Python library is available,
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88 ac_cv_boost_python,
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89 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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90 #include <boost/python/module.hpp>
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91 BOOST_PYTHON_MODULE(test) { throw "Boost::Python test."; }]], [])],
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92 ac_cv_boost_python=yes, ac_cv_boost_python=no)
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93 ])
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94 if test "$ac_cv_boost_python" = "yes"; then
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95 AC_DEFINE(HAVE_BOOST_PYTHON,,[define if the Boost::Python library is available])
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96 ax_python_lib=boost_python
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97 AC_ARG_WITH([boost-python],AS_HELP_STRING([--with-boost-python],[specify yes/no or the boost python library or suffix to use]),
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98 [if test "x$with_boost_python" != "xno" -a "x$with_boost_python" != "xyes"; then
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99 ax_python_lib=$with_boost_python
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100 ax_boost_python_lib=boost_python-$with_boost_python
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101 fi])
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102 BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
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103 for ax_lib in $ax_python_lib $ax_boost_python_lib `ls $BOOSTLIBDIR/libboost_python*.so* $BOOSTLIBDIR/libboost_python*.dylib* $BOOSTLIBDIR/libboost_python*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_python.*\)\.so.*$;\1;' -e 's;^lib\(boost_python.*\)\.dylib.*$;\1;' -e 's;^lib\(boost_python.*\)\.a.*$;\1;' ` boost_python boost_python3; do
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104 AS_VAR_PUSHDEF([ax_Lib], [ax_cv_lib_$ax_lib''_BOOST_PYTHON_MODULE])dnl
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105 AC_CACHE_CHECK([whether $ax_lib is the correct library], [ax_Lib],
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106 [LIBS="-l$ax_lib $ax_boost_python_save_LIBS $PYTHON_LIBS"
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107 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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108 #include <boost/python/module.hpp>
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109 BOOST_PYTHON_MODULE(test) { throw "Boost::Python test."; }]], [])],
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110 [AS_VAR_SET([ax_Lib], [yes])],
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111 [AS_VAR_SET([ax_Lib], [no])])])
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112 AS_VAR_IF([ax_Lib], [yes], [BOOST_PYTHON_LIB=$ax_lib break], [])
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113 AS_VAR_POPDEF([ax_Lib])dnl
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114 done
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115 AC_SUBST(BOOST_PYTHON_LIB)
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116 fi
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117 CPPFLAGS="$ax_boost_python_save_CPPFLAGS"
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118 LDFLAGS="$ax_boost_python_save_LDFLAGS"
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119 LIBS="$ax_boost_python_save_LIBS"
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120 AC_LANG_POP([C++])
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121 ])dnl