gnuradio installation

for  Natty Narwhal (11.04)

sudo apt-get -y install git-core autoconf automake  libtool g++ python-dev swig \ pkg-config libboost-all-dev libfftw3-dev libcppunit-dev libgsl0-dev \ libusb-dev sdcc libsdl1.2-dev python-wxgtk2.8 python-numpy \ python-cheetah python-lxml doxygen python-qt4 python-qwt5-qt4 libxi-dev \ libqt4-opengl-dev libqwt5-qt4-dev libfontconfig1-dev libxrender-dev

//Download GNU Radio from the git master tree:
git clone http://gnuradio.org/git/gnuradio.git
cd gnuradio ./bootstrap ./configure make
make check

sudo make install

//installation done, try to execute the dial_tone.py example (/usr/local/share/gnuradio/examples/audio/dial_tone.py)

error

//solution:
$ cp /etc/ld.so.conf /tmp/ld.so.conf $ echo /usr/local/lib >> /tmp/ld.so.conf $ sudo mv /tmp/ld.so.conf /etc/ld.so.conf $ sudo ldconfig

pass