version up : boost 1.58.0.

also set RPATH appropriately.

component/boost-lib/buildout.cfg

 [buildout]
 parts =
   boost-lib
+extends =
+  ../bzip2/buildout.cfg
+  ../zlib/buildout.cfg
 
 [boost-lib]
 recipe = slapos.recipe.cmmi
-url = http://downloads.sourceforge.net/sourceforge/boost/boost_1_43_0.tar.gz
-md5sum = 734565ca4819bf04bd8e903e116c3fb1
+url = http://downloads.sourceforge.net/sourceforge/boost/boost_1_58_0.tar.bz2
+md5sum = b8839650e61e9c1c0a89f371dd475546
 location = ${buildout:parts-directory}/${:_buildout_section_name_}
-configure-command = ./bootstrap.sh --prefix=${:location}
+configure-command = ./bootstrap.sh --prefix=${:location} --with-python=${python2.7:location}/bin/python2.7
 make-binary =
 make-options =
-make-targets = ./bjam link=shared install
+make-targets = ./b2 link=shared dll-path=${:location}/lib:${bzip2:location}/lib:${zlib:location}/lib install
+environment =
+  BZIP2_INCLUDE=${bzip2:location}/include
+  BZIP2_LIBPATH=${bzip2:location}/lib
+  ZLIB_INCLUDE=${zlib:location}/include
+  ZLIB_LIBPATH=${zlib:location}/lib