1 | # ===========================================================================
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2 | # http://www.gnu.org/software/autoconf-archive/ax_boost_filesystem.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_FILESYSTEM
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8 | #
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9 | # DESCRIPTION
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10 | #
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11 | # Test for Filesystem library from the Boost C++ libraries. The macro
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12 | # requires a preceding call to AX_BOOST_BASE. Further documentation is
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13 | # available at <http://randspringer.de/boost/index.html>.
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14 | #
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15 | # This macro calls:
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16 | #
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17 | # AC_SUBST(BOOST_FILESYSTEM_LIB)
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18 | #
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19 | # And sets:
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20 | #
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21 | # HAVE_BOOST_FILESYSTEM
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22 | #
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23 | # LICENSE
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24 | #
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25 | # Copyright (c) 2009 Thomas Porschberg <thomas@randspringer.de>
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26 | # Copyright (c) 2009 Michael Tindal
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27 | # Copyright (c) 2009 Roman Rybalko <libtorrent@romanr.info>
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28 | #
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29 | # Copying and distribution of this file, with or without modification, are
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30 | # permitted in any medium without royalty provided the copyright notice
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31 | # and this notice are preserved. This file is offered as-is, without any
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32 | # warranty.
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33 |
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34 | #serial 21
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35 |
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36 | AC_DEFUN([AX_BOOST_FILESYSTEM],
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37 | [
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38 | AC_ARG_WITH([boost-filesystem],
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39 | AS_HELP_STRING([--with-boost-filesystem@<:@=special-lib@:>@],
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40 | [use the Filesystem library from boost - it is possible to specify a certain library for the linker
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41 | e.g. --with-boost-filesystem=boost_filesystem-gcc-mt ]),
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42 | [
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43 | if test "$withval" = "no"; then
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44 | want_boost="no"
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45 | elif test "$withval" = "yes"; then
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46 | want_boost="yes"
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47 | ax_boost_user_filesystem_lib=""
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48 | else
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49 | want_boost="yes"
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50 | ax_boost_user_filesystem_lib="$withval"
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51 | fi
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52 | ],
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53 | [want_boost="yes"]
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54 | )
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55 |
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56 | if test "x$want_boost" = "xyes"; then
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57 | AC_REQUIRE([AC_PROG_CC])
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58 | CPPFLAGS_SAVED="$CPPFLAGS"
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59 | CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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60 | export CPPFLAGS
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61 |
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62 | LDFLAGS_SAVED="$LDFLAGS"
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63 | LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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64 | export LDFLAGS
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65 |
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66 | LIBS_SAVED=$LIBS
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67 | LIBS="$LIBS $BOOST_SYSTEM_LIB"
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68 | export LIBS
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69 |
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70 | AC_CACHE_CHECK(whether the Boost::Filesystem library is available,
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71 | ax_cv_boost_filesystem,
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72 | [AC_LANG_PUSH([C++])
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73 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/filesystem/path.hpp>]],
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74 | [[using namespace boost::filesystem;
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75 | path my_path( "foo/bar/data.txt" );
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76 | return 0;]])],
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77 | ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no)
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78 | AC_LANG_POP([C++])
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79 | ])
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80 | if test "x$ax_cv_boost_filesystem" = "xyes"; then
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81 | AC_DEFINE(HAVE_BOOST_FILESYSTEM,,[define if the Boost::Filesystem library is available])
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82 | BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
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83 | if test "x$ax_boost_user_filesystem_lib" = "x"; then
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84 | for libextension in `ls $BOOSTLIBDIR/libboost_filesystem*.so* $BOOSTLIBDIR/libboost_filesystem*.dylib* $BOOSTLIBDIR/libboost_filesystem*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_filesystem.*\)\.so.*$;\1;' -e 's;^lib\(boost_filesystem.*\)\.a*$;\1;' -e 's;^lib\(boost_filesystem.*\)\.dylib$;\1;'` ; do
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85 | ax_lib=${libextension}
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86 | AC_CHECK_LIB($ax_lib, exit,
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87 | [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
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88 | [link_filesystem="no"])
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89 | done
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90 | if test "x$link_program_options" != "xyes"; then
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91 | for libextension in `ls $BOOSTLIBDIR/boost_filesystem*.{dll,a}* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_filesystem.*\)\.dll.*$;\1;' -e 's;^\(boost_filesystem.*\)\.a*$;\1;'` ; do
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92 | ax_lib=${libextension}
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93 | AC_CHECK_LIB($ax_lib, exit,
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94 | [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
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95 | [link_filesystem="no"])
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96 | done
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97 | fi
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98 | else
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99 | for ax_lib in $ax_boost_user_filesystem_lib boost_filesystem-$ax_boost_user_filesystem_lib; do
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100 | AC_CHECK_LIB($ax_lib, exit,
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101 | [BOOST_FILESYSTEM_LIB="-l$ax_lib"; AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes"; break],
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102 | [link_filesystem="no"])
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103 | done
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104 |
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105 | fi
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106 | if test "x$ax_lib" = "x"; then
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107 | AC_MSG_ERROR(Could not find a version of the library!)
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108 | fi
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109 | if test "x$link_filesystem" != "xyes"; then
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110 | AC_MSG_ERROR(Could not link against $ax_lib !)
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111 | fi
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112 | fi
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113 |
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114 | CPPFLAGS="$CPPFLAGS_SAVED"
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115 | LDFLAGS="$LDFLAGS_SAVED"
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116 | LIBS="$LIBS_SAVED"
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117 | fi
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118 | ])
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