graphics/gnash build error

When I try to build gnash


libtool: link: g++46 -O2 -pipe -Wl,-rpath=/usr/local/lib/gcc46
-fno-strict-aliasing -Wl,-rpath=/usr/local/lib/gcc46 -W -Wall -Wcast-align
-Wcast-qual -Wpointer-arith -Wreturn-type -Wnon-virtual-dtor -Wunused
-fvisibility-inlines-hidden /usr/local/lib/libintl.so -Wl,-rpath
-Wl,/usr/local/lib -Wl,-rpath=/usr/local/lib/gcc46 -Wl,--as-needed -o
.libs/gtk-gnash gtk_gnash-gnash.o gtk_gnash-gui.o gtk_gnash-Player.o
gtk_gnash-NullGui.o gtk_gnash-ScreenShotter.o gtk_gnash-gtk_canvas.o
gtk_gnash-gtk.o gtk_gnash-gui_gtk.o gtk_gnash-gtk_glue_agg.o -Wl,-rpath
-Wl,/usr/local/lib -Wl,--export-dynamic  -L/usr/local/lib -L/usr/lib
../libcore/.libs/libgnashcore.so ../libdevice/.libs/libgnashdevice.so
../librender/.libs/libgnashrender.so
/usr/ports/graphics/gnash/work/gnash-0.8.10/libdevice/.libs/libgnashdevice.so
/usr/ports/graphics/gnash/work/gnash-0.8.10/libcore/.libs/libgnashcore.so
/usr/ports/graphics/gnash/work/gnash-0.8.10/libsound/.libs/libgnashsound.so
../libsound/.libs/libgnashsound.so
/usr/ports/graphics/gnash/work/gnash-0.8.10/libmedia/.libs/libgnashmedia.so
/usr/local/lib/libSDL.so -lvgl /usr/local/lib/libaa.so -lncurses -lusbhid
../libmedia/.libs/libgnashmedia.so
/usr/ports/graphics/gnash/work/gnash-0.8.10/libbase/.libs/libgnashbase.so
-lavcodec /usr/local/lib/libdca.so /usr/local/lib/libvorbisenc.so
/usr/local/lib/libvorbis.so -lavformat -lavutil /usr/local/lib/libtheora.so
/usr/local/lib/libogg.so -lgsm -lswscale /usr/local/lib/libspeex.so
/usr/local/lib/libspeexdsp.so ../libbase/.libs/libgnashbase.so
/usr/local/lib/libjpeg.so /usr/local/lib/libgif.so /usr/local/lib/libcurl.so
/usr/local/lib/libidn.so -lgssapi /usr/local/lib/libldap.so
/usr/local/lib/liblber.so -lfetch -lcom_err -lssl -lcrypto -lboost_thread
-lboost_program_options -lboost_iostreams /usr/local/lib/libltdl.so
/usr/local/lib/libgtk-x11-2.0.so /usr/local/lib/libgdk-x11-2.0.so
/usr/local/lib/libpangocairo-1.0.so /usr/local/lib/libharfbuzz.so -lgraphite2
/usr/local/lib/libXi.so /usr/local/lib/libXrandr.so
/usr/local/lib/libXcursor.so /usr/local/lib/libXcomposite.so
/usr/local/lib/libXdamage.so /usr/local/lib/libXfixes.so
/usr/local/lib/libcairo.so /usr/local/lib/libpixman-1.so
/usr/local/lib/libxcb-shm.so /usr/local/lib/libxcb-render.so
/usr/local/lib/libXrender.so -lGL /usr/local/lib/libgdk_pixbuf-2.0.so -lpng15
/usr/local/lib/libgio-2.0.so /usr/local/lib/libpangoft2-1.0.so
/usr/local/lib/libfontconfig.so /usr/local/lib/libfreetype.so -lz
/usr/local/lib/libpango-1.0.so /usr/local/lib/libgmodule-2.0.so
/usr/local/lib/libgthread-2.0.so /usr/local/lib/libatk-1.0.so
/usr/local/lib/libgobject-2.0.so /usr/local/lib/libffi.so
/usr/local/lib/libglib-2.0.so -licui18n /usr/local/lib/libpcre.so
/usr/local/lib/libintl.so /usr/local/lib/libexpat.so
/usr/local/lib/libXinerama.so /usr/local/lib/libSM.so /usr/local/lib/libICE.so
/usr/local/lib/libXv.so /usr/local/lib/libXext.so -lbz2
/usr/local/lib/libagg.so -lrt -lm /usr/local/lib/libX11.so
/usr/local/lib/libxcb.so /usr/local/lib/libXau.so /usr/local/lib/libXdmcp.so
/usr/local/lib/libpthread-stubs.so -lrpcsvc -pthread -Wl,-rpath
-Wl,/usr/local/lib/gnash -Wl,-rpath -Wl,/usr/local/lib
/usr/local/bin/ld: gtk_gnash-gnash.o: undefined reference to symbol
'boost::system::system_category()'
/usr/local/bin/ld: note: 'boost::system::system_category()' is defined in DSO
/usr/local/lib/libboost_system.so.5 so try adding it to the linker command line
/usr/local/lib/libboost_system.so.5: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
gmake[6]: ** [gtk-gnash] Erro 1
gmake[6]: Saindo do diretório `/usr/ports/graphics/gnash/work/gnash-0.8.10/gui'
gmake[5]: ** [all-recursive] Erro 1
gmake[5]: Saindo do diretório `/usr/ports/graphics/gnash/work/gnash-0.8.10/gui'
gmake[4]: ** [all] Erro 2
gmake[4]: Saindo do diretório `/usr/ports/graphics/gnash/work/gnash-0.8.10/gui'
gmake[3]: ** [all-recursive] Erro 1
gmake[3]: Saindo do diretório `/usr/ports/graphics/gnash/work/gnash-0.8.10'
gmake[2]: ** [all] Erro 2
gmake[2]: Saindo do diretório `/usr/ports/graphics/gnash/work/gnash-0.8.10'
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/graphics/gnash
*** Error code 1

Stop.
make: stopped in /usr/ports/graphics/gnash
root_at_valfenda:/usr/ports/graphics/gnash # 


my box:
root_at_valfenda:/usr/ports/graphics/gnash # uname -a
FreeBSD valfenda 10.0-ALPHA3 FreeBSD 10.0-ALPHA3 #1 r255904: Fri Sep 27
08:48:27 BRT 2013     rizzo_at_valfenda:/usr/obj/usr/src/sys/VALFENDA  amd64

root_at_valfenda:/usr # svn info src
Caminho: src
Working Copy Root Path: /usr/src
URL: svn://svn.freebsd.org/base/head
Relative URL: ^/head
Raiz do Repositório: svn://svn.freebsd.org/base
UUID do repositório: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revisão: 255983
Tipo de Nó: diretório
Agendado: normal
Autor da Última Mudança: emaste
Revisão da Última Mudança: 255983
Data da Última Mudança: 2013-10-01 23:32:58 -0300 (Ter, 01 Out 2013)

root_at_valfenda:/usr # svn info ports
Caminho: ports
Working Copy Root Path: /usr/ports
URL: svn://svn.freebsd.org/ports/head
Relative URL: ^/head
Raiz do Repositório: svn://svn.freebsd.org/ports
UUID do repositório: 35697150-7ecd-e111-bb59-0022644237b5
Revisão: 329014
Tipo de Nó: diretório
Agendado: normal
Autor da Última Mudança: acm
Revisão da Última Mudança: 329014
Data da Última Mudança: 2013-10-02 00:24:25 -0300 (Qua, 02 Out 2013)