ax_boost_base.m4

   1 ##### http://autoconf-archive.cryp.to/ax_boost_base.html
   2 #
   3 # SYNOPSIS
   4 #
   5 #   AX_BOOST_BASE([MINIMUM-VERSION])
   6 #
   7 # DESCRIPTION
   8 #
   9 #   Test for the Boost C++ libraries of a particular version (or newer)
  10 #
  11 #   If no path to the installed boost library is given the macro
  12 #   searchs under /usr, /usr/local, and /opt, and evaluates the
  13 #   $BOOST_ROOT environment variable. Further documentation is
  14 #   available at <http://randspringer.de/boost/index.html>.
  15 #
  16 #   This macro calls:
  17 #
  18 #     AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
  19 #
  20 #   And sets:
  21 #
  22 #     HAVE_BOOST
  23 #
  24 # LAST MODIFICATION
  25 #
  26 #   2006-12-28
  27 #
  28 # COPYLEFT
  29 #
  30 #   Copyright (c) 2006 Thomas Porschberg <thomas@randspringer.de>
  31 #
  32 #   Copying and distribution of this file, with or without
  33 #   modification, are permitted in any medium without royalty provided
  34 #   the copyright notice and this notice are preserved.
  35
  36 AC_DEFUN([AX_BOOST_BASE],
  37 [
  38 AC_ARG_WITH([boost],
  39         AS_HELP_STRING([--with-boost@<:@=DIR@:>@], [use boost (default is No) - it is possible to specify the root directory for boost (optional)]),
  40         [
  41     if test "$withval" = "no"; then
  42                 want_boost="no"
  43     elif test "$withval" = "yes"; then
  44         want_boost="yes"
  45         ac_boost_path=""
  46     else
  47             want_boost="yes"
  48         ac_boost_path="$withval"
  49         fi
  50     ],
  51     [want_boost="yes"])
  52
  53 if test "x$want_boost" = "xyes"; then
  54         boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
  55         boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
  56         boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
  57         boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
  58         boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
  59         if test "x$boost_lib_version_req_sub_minor" = "x" ; then
  60                 boost_lib_version_req_sub_minor="0"
  61         fi
  62         WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+  $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
  63         AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
  64         succeeded=no
  65
  66         dnl first we check the system location for boost libraries
  67         dnl this location ist chosen if boost libraries are installed with the --layout=system option
  68         dnl or if you install boost with RPM
  69         if test "$ac_boost_path" != ""; then
  70                 BOOST_LDFLAGS="-L$ac_boost_path/lib"
  71                 BOOST_CPPFLAGS="-I$ac_boost_path/include"
  72         else
  73                 for ac_boost_path_tmp in /usr /usr/local /opt ; do
  74                         if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
  75                                 BOOST_LDFLAGS="-L$ac_boost_path_tmp/lib"
  76                                 BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
  77                                 break;
  78                         fi
  79                 done
  80         fi
  81
  82         CPPFLAGS_SAVED="$CPPFLAGS"
  83         CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  84         export CPPFLAGS
  85
  86         LDFLAGS_SAVED="$LDFLAGS"
  87         LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
  88         export LDFLAGS
  89
  90         AC_LANG_PUSH(C++)
  91         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  92         @%:@include <boost/version.hpp>
  93         ]], [[
  94         #if BOOST_VERSION >= $WANT_BOOST_VERSION
  95         // Everything is okay
  96         #else
  97         #  error Boost version is too old
  98         #endif
  99         ]])],[
 100         AC_MSG_RESULT(yes)
 101         succeeded=yes
 102         found_system=yes
 103         ],[
 104         ])
 105         AC_LANG_POP([C++])
 106
 107
 108
 109         dnl if we found no boost with system layout we search for boost libraries
 110         dnl built and installed without the --layout=system option or for a staged(not installed) version
 111         if test "x$succeeded" != "xyes"; then
 112                 _version=0
 113                 if test "$ac_boost_path" != ""; then
 114                         BOOST_LDFLAGS="-L$ac_boost_path/lib"
 115                         if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
 116                                 for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
 117                                         _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
 118                                         V_CHECK=`expr $_version_tmp \> $_version`
 119                                         if test "$V_CHECK" = "1" ; then
 120                                                 _version=$_version_tmp
 121                                         fi
 122                                         VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
 123                                         BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
 124                                 done
 125                         fi
 126                 else
 127                         for ac_boost_path in /usr /usr/local /opt ; do
 128                                 if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
 129                                         for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
 130                                                 _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
 131                                                 V_CHECK=`expr $_version_tmp \> $_version`
 132                                                 if test "$V_CHECK" = "1" ; then
 133                                                         _version=$_version_tmp
 134                                                         best_path=$ac_boost_path
 135                                                 fi
 136                                         done
 137                                 fi
 138                         done
 139
 140                         VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
 141                         BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
 142                         BOOST_LDFLAGS="-L$best_path/lib"
 143
 144                         if test "x$BOOST_ROOT" != "x"; then
 145                                 if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then
 146                                         version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
 147                                         stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
 148                                         stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
 149                                         V_CHECK=`expr $stage_version_shorten \>\= $_version`
 150                                         if test "$V_CHECK" = "1" ; then
 151                                                 AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
 152                                                 BOOST_CPPFLAGS="-I$BOOST_ROOT"
 153                                                 BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib"
 154                                         fi
 155                                 fi
 156                         fi
 157                 fi
 158
 159                 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
 160                 export CPPFLAGS
 161                 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
 162                 export LDFLAGS
 163
 164                 AC_LANG_PUSH(C++)
 165                 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 166                 @%:@include <boost/version.hpp>
 167                 ]], [[
 168                 #if BOOST_VERSION >= $WANT_BOOST_VERSION
 169                 // Everything is okay
 170                 #else
 171                 #  error Boost version is too old
 172                 #endif
 173                 ]])],[
 174                 AC_MSG_RESULT(yes)
 175                 succeeded=yes
 176                 found_system=yes
 177                 ],[
 178                 ])
 179                 AC_LANG_POP([C++])
 180         fi
 181
 182         if test "$succeeded" != "yes" ; then
 183                 if test "$_version" = "0" ; then
 184                         AC_MSG_ERROR([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
 185                 else
 186                         AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
 187                 fi
 188         else
 189                 AC_SUBST(BOOST_CPPFLAGS)
 190                 AC_SUBST(BOOST_LDFLAGS)
 191                 AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
 192         fi
 193
 194         CPPFLAGS="$CPPFLAGS_SAVED"
 195         LDFLAGS="$LDFLAGS_SAVED"
 196 fi
 197
 198 ])