//At first
Please set QT_HOME_DIR to qt install directory in gen/config.k
For example,

QT_HOME_DIR = "/home/onoda/Documents/qt-everywhere-opensource-src-4.7.4/"

//generate
To generate src/KQ*.cpp, include/KQ*.hpp, CMakeLists.txt, and qt4.k,

   konoha gen/main.k;

To concatenate src/KQ*.cpp into qt.cpp, and include/KQ*.hpp into qt.hpp,

   konoha gen/genSrc.k;

//build
To build qt4.so from qt4.cpp and qt4.hpp,

   mkdir build;
   cd build;
   cmake .. -DUSE_QT4=true;
   make;




if you already have gen/interface/*,
in gen/script/config.k, please set GEN_INTERFACE_FILE false to speed up generating.
