For build don't forget delete old bullet libraries (libBulletCollision.dll.a, libBulletDynamics.dll.a, libBulletSoftBody.dll.a, libLinearMath.dll.a) in the directory MinGW\msys\1.0\local\lib
I couldn't built OGRE 1.9.0 stable from source. Anyway, game working under Windows. I like anime and this game, musics, softbody physics. Also I like companion in dev version.