我在编译DVSDK4.0 dm368 时候，出现下面问题：
. /home/davinci/dm368/dvsdk_dm368_4_02_00_06/linux-devkit/environment-setup ; cd /home/davinci/dm368/dvsdk_dm368_4_02_00_06/dvsdk-demos_4_02_00_01/qtInterface ; qmake ; make PLATFORM=dm365 clean
Failure to read QMAKESPEC conf file /root/davinci/dm368/dvsdk_dm368_4_02_00_06/linux-devkit//arm-none-linux-gnueabi/usr/share/qtopia/mkspecs/linux-g++/qmake.conf.
Error processing project file: /home/davinci/dm368/dvsdk_dm368_4_02_00_06/dvsdk-demos_4_02_00_01/qtInterface/qtInterface.pro
make[1]: Entering directory `/home/davinci/dm368/dvsdk_dm368_4_02_00_06/dvsdk-demos_4_02_00_01/qtInterface'
make[1]: *** No rule to make target `clean'. Stop.
make[1]: Leaving directory `/home/davinci/dm368/dvsdk_dm368_4_02_00_06/dvsdk-demos_4_02_00_01/qtInterface'
make: *** [demos_clean] Error 2
起初，是提示没有qmake这个命令，我在网上下载安装后，再编译就出现上面的问题，请问该如何解决？谢谢....
