1 # ===========================================================================
2 # http://www.gnu.org/software/autoconf-archive/ax_boost_base.html
3 # ===========================================================================
7 # AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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 # $BOOST_ROOT environment variable. Further documentation is available at
16 # <http://randspringer.de/boost/index.html>.
20 # AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
28 # Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
29 # Copyright (c) 2009 Peter Adolphs
31 # Copying and distribution of this file, with or without modification, are
32 # permitted in any medium without royalty provided the copyright notice
33 # and this notice are preserved. This file is offered as-is, without any
38 AC_DEFUN([AX_BOOST_BASE],
41 [AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
42 [use Boost library from a standard location (ARG=yes),
43 from the specified location (ARG=<path>),
44 or disable it (ARG=no)
47 if test "$withval" = "no"; then
49 elif test "$withval" = "yes"; then
54 ac_boost_path="$withval"
60 AC_ARG_WITH([boost-libdir],
61 AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
62 [Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]),
66 ac_boost_lib_path="$withval"
68 AC_MSG_ERROR(--with-boost-libdir expected directory name)
71 [ac_boost_lib_path=""]
74 if test "x$want_boost" = "xyes"; then
75 boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
76 boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
77 boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
78 boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
79 boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
80 if test "x$boost_lib_version_req_sub_minor" = "x" ; then
81 boost_lib_version_req_sub_minor="0"
83 WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
84 AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
87 dnl On 64-bit systems check for system libraries in both lib64 and lib.
88 dnl The former is specified by FHS, but e.g. Debian does not adhere to
89 dnl this (as it rises problems for generic multi-arch support).
90 dnl The last entry in the list is chosen by default when no libraries
91 dnl are found, e.g. when only header-only libraries are installed!
95 x86_64|ppc64|s390x|sparc64|aarch64)
96 libsubdirs="lib64 lib lib64"
100 dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
101 dnl them priority over the other paths since, if libs are found there, they
102 dnl are almost assuredly the ones desired.
103 AC_REQUIRE([AC_CANONICAL_HOST])
104 libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs"
108 libsubdirs="lib/i386-${host_os} $libsubdirs"
112 dnl first we check the system location for boost libraries
113 dnl this location ist chosen if boost libraries are installed with the --layout=system option
114 dnl or if you install boost with RPM
115 if test "$ac_boost_path" != ""; then
116 BOOST_CPPFLAGS="-I$ac_boost_path/include"
117 for ac_boost_path_tmp in $libsubdirs; do
118 if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then
119 BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp"
123 elif test "$cross_compiling" != yes; then
124 for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
125 if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
126 for libsubdir in $libsubdirs ; do
127 if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
129 BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir"
130 BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
136 dnl overwrite ld flags if we have required special directory with
137 dnl --with-boost-libdir parameter
138 if test "$ac_boost_lib_path" != ""; then
139 BOOST_LDFLAGS="-L$ac_boost_lib_path"
142 CPPFLAGS_SAVED="$CPPFLAGS"
143 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
146 LDFLAGS_SAVED="$LDFLAGS"
147 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
150 AC_REQUIRE([AC_PROG_CXX])
152 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
153 @%:@include <boost/version.hpp>
155 #if BOOST_VERSION >= $WANT_BOOST_VERSION
156 // Everything is okay
158 # error Boost version is too old
170 dnl if we found no boost with system layout we search for boost libraries
171 dnl built and installed without the --layout=system option or for a staged(not installed) version
172 if test "x$succeeded" != "xyes"; then
174 if test "$ac_boost_path" != ""; then
175 if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
176 for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
177 _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
178 V_CHECK=`expr $_version_tmp \> $_version`
179 if test "$V_CHECK" = "1" ; then
180 _version=$_version_tmp
182 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
183 BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
187 if test "$cross_compiling" != yes; then
188 for ac_boost_path in /usr /usr/local /opt /opt/local ; do
189 if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
190 for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
191 _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
192 V_CHECK=`expr $_version_tmp \> $_version`
193 if test "$V_CHECK" = "1" ; then
194 _version=$_version_tmp
195 best_path=$ac_boost_path
201 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
202 BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
203 if test "$ac_boost_lib_path" = ""; then
204 for libsubdir in $libsubdirs ; do
205 if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
207 BOOST_LDFLAGS="-L$best_path/$libsubdir"
211 if test "x$BOOST_ROOT" != "x"; then
212 for libsubdir in $libsubdirs ; do
213 if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
215 if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then
216 version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
217 stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
218 stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
219 V_CHECK=`expr $stage_version_shorten \>\= $_version`
220 if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then
221 AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
222 BOOST_CPPFLAGS="-I$BOOST_ROOT"
223 BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
229 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
231 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
235 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
236 @%:@include <boost/version.hpp>
238 #if BOOST_VERSION >= $WANT_BOOST_VERSION
239 // Everything is okay
241 # error Boost version is too old
252 if test "$succeeded" != "yes" ; then
253 if test "$_version" = "0" ; then
254 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.]])
256 AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
258 # execute ACTION-IF-NOT-FOUND (if present):
259 ifelse([$3], , :, [$3])
261 AC_SUBST(BOOST_CPPFLAGS)
262 AC_SUBST(BOOST_LDFLAGS)
263 AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
264 # execute ACTION-IF-FOUND (if present):
265 ifelse([$2], , :, [$2])
268 CPPFLAGS="$CPPFLAGS_SAVED"
269 LDFLAGS="$LDFLAGS_SAVED"