Gnuradio 3.4.2 and /usr/bin/ld: cannot find -laudio

im trying of compile gnuradio 3.4.2 and dont work
My S.O is ubuntu 12.04 LTS 32 bits

and this error is:
“read -pthread -pthread -Wl,-soname -Wl,libgnuradio-qtgui-3.4.2.so.0
-o
.libs/libgnuradio-qtgui-3.4.2.so.0.0.0
/usr/bin/ld: cannot find -laudio
collect2: ld returned 1 exit status
make[5]: *** [libgnuradio-qtgui.la] Error 1
make[5]: se sale del directorio /home/javier/gnuradio-3.4.2/gr-qtgui/lib
make[4]: *** [all] Error 2”

i dont understand and i read enough but i can’t to resolve this problem

regards