1 # ===========================================================================
2 # http://autoconf-archive.cryp.to/ax_boost_base.html
3 # ===========================================================================
7 # AX_BOOST_BASE([MINIMUM-VERSION])
11 # Test for the Boost C++ libraries of a particular version (or newer)
13 # If no path to the installed boost library is given the macro searchs
14 # under /usr, /usr/local, /opt and /opt/local and evaluates the
15 # $BOOST_ROOT environment variable. Further documentation is available at
16 # <http://randspringer.de/boost/index.html>.
20 # AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
32 # Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
34 # Copying and distribution of this file, with or without modification, are
35 # permitted in any medium without royalty provided the copyright notice
36 # and this notice are preserved.
38 AC_DEFUN([AX_BOOST_BASE],
41 AS_HELP_STRING([--with-boost@<:@=DIR@:>@], [use boost (default is yes) - it is possible to specify the root directory for boost (optional)]),
43 if test "$withval" = "no"; then
45 elif test "$withval" = "yes"; then
50 ac_boost_path="$withval"
56 AC_ARG_WITH([boost-libdir],
57 AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
58 [Force given directory for boost libraries. Note that this will overwrite library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]),
62 ac_boost_lib_path="$withval"
64 AC_MSG_ERROR(--with-boost-libdir expected directory name)
67 [ac_boost_lib_path=""]
70 if test "x$want_boost" = "xyes"; then
71 boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
72 boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
73 boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
74 boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
75 boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
76 if test "x$boost_lib_version_req_sub_minor" = "x" ; then
77 boost_lib_version_req_sub_minor="0"
79 WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
80 AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
83 dnl first we check the system location for boost libraries
84 dnl this location ist chosen if boost libraries are installed with the --layout=system option
85 dnl or if you install boost with RPM
86 if test "$ac_boost_path" != ""; then
87 BOOST_LDFLAGS="-L$ac_boost_path/lib"
88 BOOST_CPPFLAGS="-I$ac_boost_path/include"
89 elif test "$cross_compiling" != yes; then
90 for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
91 if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
92 BOOST_LDFLAGS="-L$ac_boost_path_tmp/lib"
93 BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
99 dnl overwrite ld flags if we have required special directory with
100 dnl --with-boost-libdir parameter
101 if test "$ac_boost_lib_path" != ""; then
102 BOOST_LDFLAGS="-L$ac_boost_lib_path"
105 CPPFLAGS_SAVED="$CPPFLAGS"
106 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
109 LDFLAGS_SAVED="$LDFLAGS"
110 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
114 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
115 @%:@include <boost/version.hpp>
117 #if BOOST_VERSION >= $WANT_BOOST_VERSION
118 // Everything is okay
120 # error Boost version is too old
132 dnl if we found no boost with system layout we search for boost libraries
133 dnl built and installed without the --layout=system option or for a staged(not installed) version
134 if test "x$succeeded" != "xyes"; then
136 if test "$ac_boost_path" != ""; then
137 if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
138 for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
139 _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
140 V_CHECK=`expr $_version_tmp \> $_version`
141 if test "$V_CHECK" = "1" ; then
142 _version=$_version_tmp
144 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
145 BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
149 if test "$cross_compiling" != yes; then
150 for ac_boost_path in /usr /usr/local /opt /opt/local ; do
151 if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
152 for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
153 _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
154 V_CHECK=`expr $_version_tmp \> $_version`
155 if test "$V_CHECK" = "1" ; then
156 _version=$_version_tmp
157 best_path=$ac_boost_path
163 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
164 BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
165 if test "$ac_boost_lib_path" = ""
167 BOOST_LDFLAGS="-L$best_path/lib"
172 if test "x$BOOST_ROOT" != "x"; then
173 if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then
174 version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
175 stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
176 stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
177 V_CHECK=`expr $stage_version_shorten \>\= $_version`
178 if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
179 AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
180 BOOST_CPPFLAGS="-I$BOOST_ROOT"
181 BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib"
187 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
189 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
193 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
194 @%:@include <boost/version.hpp>
196 #if BOOST_VERSION >= $WANT_BOOST_VERSION
197 // Everything is okay
199 # error Boost version is too old
210 if test "$succeeded" != "yes" ; then
211 if test "$_version" = "0" ; then
212 AC_MSG_NOTICE([[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.]])
214 AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
218 AC_SUBST(BOOST_CPPFLAGS)
219 AC_SUBST(BOOST_LDFLAGS)
220 AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
224 CPPFLAGS="$CPPFLAGS_SAVED"
225 LDFLAGS="$LDFLAGS_SAVED"