joinx fails to build on trusty

gistfile1.txt

mcallawa@mcallawa-trusty:~/git/joinx/build$ make
Scanning dependencies of target boost-1.56
[  0%] Creating directories for 'boost-1.56'
[  1%] Performing download step (DIR copy) for 'boost-1.56'
[  1%] No patch step for 'boost-1.56'
[  2%] No update step for 'boost-1.56'
[  3%] Performing configure step for 'boost-1.56'
Building Boost.Build engine with toolset gcc... tools/build/src/engine/bin.linuxx86_64/b2
Detecting Python version... 2.7
Detecting Python root... /usr
Unicode/ICU support for Boost.Regex?... not found.
Backing up existing Boost.Build configuration in project-config.jam.1
Generating Boost.Build configuration in project-config.jam...

Bootstrapping is done. To build, run:

    ./b2

To adjust configuration, edit 'project-config.jam'.
Further information:

   - Command line help:
     ./b2 --help

   - Getting started guide:
     http://www.boost.org/more/getting_started/unix-variants.html

   - Boost.Build documentation:
     http://www.boost.org/boost-build2/doc/html/index.html

[  4%] Performing build step for 'boost-1.56'
make[2]: *** [vendor/src/boost-1.56-stamp/boost-1.56-build] Error 1
make[1]: *** [CMakeFiles/boost-1.56.dir/all] Error 2
make: *** [all] Error 2

mcallawa@mcallawa-trusty:~/git/joinx/build$ find . -name b2
./vendor/boost/boost-src/b2
./vendor/boost/boost-src/tools/build/src/engine/bin.linuxx86_64/b2
mcallawa@mcallawa-trusty:~/git/joinx/build$ cd vendor/boost/boost-src/
mcallawa@mcallawa-trusty:~/git/joinx/build/vendor/boost/boost-src$ ./b2

Building the Boost C++ Libraries.


Performing configuration checks

    - has_icu builds           : no  (cached)
warning: Graph library does not contain MPI-based parallel components.
note: to enable them, add "using mpi ;" to your user-config.jam
    - zlib                     : yes
    - gcc visibility           : yes
    - long double support      : yes
warning: skipping optional Message Passing Interface (MPI) library.
note: to enable MPI support, add "using mpi ;" to user-config.jam.
note: to suppress this message, pass "--without-mpi" to bjam.
note: otherwise, you can safely ignore this message.
error: Unable to find file or target named
error:     'libs/system/build//_system'
error: referred to from project at
error:     '.'

Problem was missing libbz2-dev