dnl @synopsis AX_BOOST([MINIMUM-VERSION]) dnl dnl Test for the Boost C++ libraries of a particular version (or newer) dnl dnl If no path to the installed boost library is given the macro dnl searchs under /usr, /usr/local, and /opt, and evaluates the dnl $BOOST_ROOT environment variable. Further documentation is dnl available at . dnl dnl This macro calls: dnl dnl AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS) dnl dnl And sets: dnl dnl HAVE_BOOST dnl dnl @category InstalledPackages dnl @category Cxx dnl @author Thomas Porschberg dnl @version 2006-06-15 dnl @license AllPermissive dnl dnl Modified to make Boost the default and to fail if the user tries dnl to disable it. AC_DEFUN([AX_BOOST_BASE], [ AC_ARG_WITH([boost], AS_HELP_STRING([--with-boost@<:@=DIR@:>@], [modify the directory that is searched for Boost]), [ if test "$withval" = "no"; then want_boost="no" elif test "$withval" = "yes"; then want_boost="yes" ac_boost_path="" else want_boost="yes" ac_boost_path="$withval" fi ], [want_boost="yes"]) if test "x$want_boost" = "xyes"; then boost_lib_version_req=ifelse([$1], ,1.20.0,$1) boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'` boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'` boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'` boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` if test "x$boost_lib_version_req_sub_minor" = "x" ; then boost_lib_version_req_sub_minor="0" fi WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor` AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req) succeeded=no dnl first we check the system location for boost libraries dnl this location ist chosen if boost libraries are installed with the --layout=system option dnl or if you install boost with RPM if test "$ac_boost_path" != ""; then BOOST_LDFLAGS="-L$ac_boost_path/lib" BOOST_CPPFLAGS="-I$ac_boost_path/include" else for ac_boost_path_tmp in /usr /usr/local /opt ; do if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then BOOST_LDFLAGS="-L$ac_boost_path_tmp/lib" BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include" break; fi done fi CPPFLAGS_SAVED="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" export CPPFLAGS LDFLAGS_SAVED="$LDFLAGS" LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" export LDFLAGS AC_LANG_PUSH(C++) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ @%:@include ]], [[ #if BOOST_VERSION >= $WANT_BOOST_VERSION // Everything is okay #else # error Boost version is too old #endif ]])],[ AC_MSG_RESULT(yes) succeeded=yes found_system=yes ],[ ]) AC_LANG_POP([C++]) dnl if we found no boost with system layout we search for boost libraries dnl built and installed without the --layout=system option or for a staged(not installed) version if test "x$succeeded" != "xyes"; then _version=0 if test "$ac_boost_path" != ""; then BOOST_LDFLAGS="-L$ac_boost_path/lib" if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` V_CHECK=`expr $_version_tmp \> $_version` if test "$V_CHECK" = "1" ; then _version=$_version_tmp fi VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE" done fi else for ac_boost_path in /usr /usr/local /opt ; do if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` V_CHECK=`expr $_version_tmp \> $_version` if test "$V_CHECK" = "1" ; then _version=$_version_tmp best_path=$ac_boost_path fi done fi done VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" BOOST_LDFLAGS="-L$best_path/lib" if test "x$BOOST_ROOT" != "x"; then if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'` stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` V_CHECK=`expr $stage_version_shorten \>\= $_version` if test "$V_CHECK" = "1" ; then AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) BOOST_CPPFLAGS="-I$BOOST_ROOT" BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib" fi fi fi fi CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" export CPPFLAGS LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" export LDFLAGS AC_LANG_PUSH(C++) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ @%:@include ]], [[ #if BOOST_VERSION >= $WANT_BOOST_VERSION // Everything is okay #else # error Boost version is too old #endif ]])],[ AC_MSG_RESULT(yes) succeeded=yes found_system=yes ],[ ]) AC_LANG_POP([C++]) fi if test "$succeeded" != "yes" ; then if test "$_version" = "0" ; then 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 . See http://randspringer.de/boost for more documentation.]]) else AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).]) fi else AC_SUBST(BOOST_CPPFLAGS) AC_SUBST(BOOST_LDFLAGS) AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) fi CPPFLAGS="$CPPFLAGS_SAVED" LDFLAGS="$LDFLAGS_SAVED" else AC_MSG_ERROR([[Boost is required for compilation and may not be disabled.]]) fi ])