env=Environment(tools=['mingw'],AS=rtconfig.AS,ASFLAGS=rtconfig.AFLAGS,CC=rtconfig.CC,CCFLAGS=rtconfig.CFLAGS,CXX=rtconfig.CXX,CXXFLAGS=rtconfig.CXXFLAGS,AR=rtconfig.AR,ARFLAGS='-rc',LINK=rtconfig.LINK,LINKFLAGS=rtconfig.LFLAGS)env.PrependENVPath('PATH',rtconfig.EXEC_PATH)Export('RTT_ROOT')Export('rtconfig')# prepare building environment