Most distributions have the required version of Boost (1.35) ready for
installation using their standard package installation tools (apt-get,
yum, etc.).

If running a distribution that requires boost 1.35 (or later) be built
from scratch, these instructions explain how to do so, and in a way
that allows it to peacefully coexist with earlier versions of boost.

Download the latest version of boost from boost.sourceforge.net.
(boost_1_49_0.tar.bz2 was the latest when this was written). Different
Boost versions often have different installations. If these
instructions don't work, check the website www.boost.org for more
help.

unpack it somewhere
cd into the resulting directory

$ cd boost_1_49_0

# Pick a prefix to install it into.  I used /opt/boost_1_49_0

$ BOOST_PREFIX=/opt/boost_1_49_0

$ ./bootstrap.sh
$ sudo ./b2 --prefix=$BOOST_PREFIX --with-thread --with-date_time --with-program_options --with-filesystem --with-system --layout=versioned threading=multi variant=release install

# Done!  That was easy!

Note that you don't have to specify each library, which will then
build all Boost libraries and projects. By specifying only those
required will just save compilation time.


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Installing GNU Radio with new Boost libraries.

Tell cmake to look for the Boost libraries and header files in the new location with the folloing command:

$ cd <build directory>
$ cmake -DBOOST_ROOT=$BOOST_PREFIX -DBoost_INCLUDE_DIR=$BOOST_PREFIX/include/boost-1_49/ -DBoost_LIBRARY_DIRS=$BOOST_PREFIX/lib  <path to gnuradio source tree>
$ make
$ make test
$ sudo make install

See README for more installation details.