This archive contains selected parts of boost 1.57.0, obtained from: http://sourceforge.net/projects/boost/files/boost/1.57.0/boost_1_57_0.tar.bz2/download md5: 1be49befbdd9a5ce9def2983ba3e7b76 This process is automated by Makefile.sync Vanilla subsets of the library are extracted using the bcp tool and stored in the "upstream" branch. Any modifications (for example, to support building on wp8, or fixing bugs) should be made in the master branch. The list of local modifications can then be examined using: git log origin/master ^origin/upstream