I just tried to migrate our project from 1.43 -> 1.46.1 but am getting a compilation error with g++ 4.4.3:
gcc.compile.c++ bin.v2/libs/filesystem/build/gcc-arm/release/link-static/threading-multi/v3/src/operations.o
In file included from boost/filesystem/v3/operations.hpp:25,
from libs/filesystem/v3/src/operations.cpp:52:
boost/filesystem/v3/path.hpp: In function `std::basic_ostream<_CharT, _Traits>&
boost::filesystem3::operator<<(std::basic_ostream<_CharT, _Traits>&, const
boost::filesystem3::path&)':
boost/filesystem/v3/path.hpp:583: error: parse error before `>' token