I tried to build ntop2 on a 2.0beta machine, and got the following 
errors; any suggestions on the problem?

===> Configuring for ntop2-2.2nb3
cd /usr/pkgsrc/net/ntop2/work/ntop-2.2/ntop && /usr/pkg/bin/aclocal-1.9
acinclude.m4:37: warning: underquoted definition of AC_CHECK_TYPEDEF
  run info '(automake)Extending aclocal'
  or see http://sources.redhat.com/automake/automake.html#Extending-aclocal
acinclude.m4:179: warning: underquoted definition of AC_PROG_LIBTOOL
acinclude.m4:209: warning: underquoted definition of AC_LIBTOOL_SETUP
acinclude.m4:284: warning: underquoted definition of AC_LIBTOOL_DLOPEN
acinclude.m4:287: warning: underquoted definition of AC_LIBTOOL_WIN32_DLL
acinclude.m4:293: warning: underquoted definition of AC_ENABLE_SHARED
acinclude.m4:319: warning: underquoted definition of AC_DISABLE_SHARED
acinclude.m4:326: warning: underquoted definition of AC_ENABLE_STATIC
acinclude.m4:352: warning: underquoted definition of AC_DISABLE_STATIC
acinclude.m4:360: warning: underquoted definition of AC_ENABLE_FAST_INSTALL
acinclude.m4:386: warning: underquoted definition of AC_DISABLE_FAST_INSTALL
acinclude.m4:390: warning: underquoted definition of AC_PROG_LD
acinclude.m4:461: warning: underquoted definition of AC_PROG_LD_GNU
acinclude.m4:472: warning: underquoted definition of AC_PROG_NM
acinclude.m4:507: warning: underquoted definition of AC_CHECK_LIBM
acinclude.m4:532: warning: underquoted definition of AC_LIBLTDL_CONVENIENCE
acinclude.m4:551: warning: underquoted definition of AC_LIBLTDL_INSTALLABLE
acinclude.m4:572: warning: underquoted definition of AM_PROG_LIBTOOL
acinclude.m4:573: warning: underquoted definition of AM_ENABLE_SHARED
acinclude.m4:574: warning: underquoted definition of AM_ENABLE_STATIC
acinclude.m4:575: warning: underquoted definition of AM_DISABLE_SHARED
acinclude.m4:576: warning: underquoted definition of AM_DISABLE_STATIC
acinclude.m4:577: warning: underquoted definition of AM_PROG_LD
acinclude.m4:578: warning: underquoted definition of AM_PROG_NM
/usr/pkg/share/aclocal/vorbis.m4:9: warning: underquoted definition of XIPH_PATH_VORBIS
/usr/pkg/share/aclocal/pkg.m4:5: warning: underquoted definition of PKG_CHECK_MODULES
/usr/pkg/share/aclocal/ogg.m4:8: warning: underquoted definition of XIPH_PATH_OGG
/usr/pkg/share/aclocal/oaf.m4:4: warning: underquoted definition of AM_PATH_OAF
/usr/pkg/share/aclocal/libglade.m4:7: warning: underquoted definition of AM_PATH_LIBGLADE
/usr/pkg/share/aclocal/libgcrypt.m4:23: warning: underquoted definition of AM_PATH_LIBGCRYPT
/usr/pkg/share/aclocal/libart.m4:11: warning: underquoted definition of AM_PATH_LIBART
/usr/pkg/share/aclocal/libOggFLAC.m4:7: warning: underquoted definition of AM_PATH_LIBOGGFLAC
/usr/pkg/share/aclocal/libOggFLAC++.m4:8: warning: underquoted definition of AM_PATH_LIBOGGFLACPP
/usr/pkg/share/aclocal/libIDL.m4:6: warning: underquoted definition of AM_PATH_LIBIDL
/usr/pkg/share/aclocal/libFLAC.m4:7: warning: underquoted definition of AM_PATH_LIBFLAC
/usr/pkg/share/aclocal/libFLAC++.m4:8: warning: underquoted definition of AM_PATH_LIBFLACPP
/usr/pkg/share/aclocal/imlib.m4:9: warning: underquoted definition of AM_PATH_IMLIB
/usr/pkg/share/aclocal/imlib.m4:167: warning: underquoted definition of AM_PATH_GDK_IMLIB
/usr/pkg/share/aclocal/gtk.m4:7: warning: underquoted definition of AM_PATH_GTK
/usr/pkg/share/aclocal/gpg-error.m4:7: warning: underquoted definition of AM_PATH_GPG_ERROR
/usr/pkg/share/aclocal/glib.m4:8: warning: underquoted definition of AM_PATH_GLIB
/usr/pkg/share/aclocal/gdk-pixbuf.m4:12: warning: underquoted definition of AM_PATH_GDK_PIXBUF
/usr/pkg/share/aclocal/gconf-1.m4:4: warning: underquoted definition of AM_PATH_GCONF
/usr/pkg/share/aclocal/gconf-1.m4:71: warning: underquoted definition of AM_GCONF_SOURCE
/usr/pkg/share/aclocal/audiofile.m4:12: warning: underquoted definition of AM_PATH_AUDIOFILE
/usr/pkg/share/aclocal/aalib.m4:12: warning: underquoted definition of AM_PATH_AALIB
/usr/pkg/share/aclocal/ORBit.m4:4: warning: underquoted definition of AM_PATH_ORBIT
cd /usr/pkgsrc/net/ntop2/work/ntop-2.2/ntop && /usr/pkg/bin/libtoolize --automake
cd /usr/pkgsrc/net/ntop2/work/ntop-2.2/ntop && /usr/pkg/bin/autoheader
cd /usr/pkgsrc/net/ntop2/work/ntop-2.2/ntop && /usr/pkg/bin/automake-1.9 -a --foreign -i
plugins/Makefile.am: object `icmpPlugin.$(OBJEXT)' created both with libtool and without
plugins/Makefile.am: object `lastSeenPlugin.$(OBJEXT)' created both with libtool and without
plugins/Makefile.am: object `netflowPlugin.$(OBJEXT)' created both with libtool and without
plugins/Makefile.am: object `nfsPlugin.$(OBJEXT)' created both with libtool and without
plugins/Makefile.am: object `pdaPlugin.$(OBJEXT)' created both with libtool and without
plugins/Makefile.am: object `rrdPlugin.$(OBJEXT)' created both with libtool and without
plugins/Makefile.am: object `sflowPlugin.$(OBJEXT)' created both with libtool and without
Makefile.am: installing `./compile'


		--Steve Bellovin, http://www.research.att.com/~smb