title: Boost.Regex with icu/unicode support
body: <p>How to build Boost.Regex with icu/ unicode support? My compiler is GCC, and IDE is Eclipse C++. How to configure binary files with Eclipse?
  I  tried to do this "bjam --sHAVE_ICU=1 toolset=gcc". But it did not work.
  When i check if icu support is enable with "bjam -has_icu", i still get "has icu builds : no".</p>