[501029]: config / boost_base.m4  Maximize  Restore  History

Download this file

186 lines (168 with data), 8.8 kB

AC_DEFUN([AX_BOOST_BASE],
[
AC_ARG_WITH([boost],
        AS_HELP_STRING([--with-boost@<:@=DIR@:>@], [use boost (default is yes) - it is possible to specify the root directory for boost (optional)]),
        [
    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"])


AC_ARG_WITH([boost-libdir],
        AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
        [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.]),
        [
        if test -d $withval
        then
                ac_boost_lib_path="$withval"
        else
                AC_MSG_ERROR(--wit-boost-lib expected directory name)
        fi
        ],
        [ac_boost_lib_path=""]
)

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$ac_boost_path/include"
        else
                for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
                        if test -d "$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

        dnl overwrite ld flags if we have required special directory with 
        dnl --with-boost-lib parameter
        if test "$ac_boost_lib_path" != ""; then
                BOOST_LDFLAGS="-L$ac_boost_lib_path"
        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 <boost/version.hpp>
        ]], [[
        #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
                        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-$VERSION_UNDERSCORE"
                                done
                        fi
                else
                        for ac_boost_path in /usr /usr/local /opt /opt/local ; do
                                if test -d "$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-$VERSION_UNDERSCORE"
                        if test "$ac_boost_lib_path" = ""
                        then
                                BOOST_LDFLAGS="-L$best_path/lib"
                        fi

                        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" -a "$ac_boost_lib_path" = "" ; 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 <boost/version.hpp>
                ]], [[
                #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 <boost/version.hpp>. 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"
fi

])