编译时出现：
Could not find make command: make in the build environment
Error while building project server (target: Desktop)
When executing build step 'Make'
Could not find make command: make in the build environment
Error while building project server (target: Desktop)
When executing build step 'Make'
Could not find make command: make in the build environment
Error while building project server (target: Desktop)
When executing build step 'Make'
怀疑是路径的问题：
打开tools->QT4->QTversion里面,
网上说有一个MINGw directory 的选项，可是为什么我的没有啊，重装了也没用，我用的是4.7.0版本的！
麻烦大家了，谢谢！
