Running build steps for project mypro...
Starting: E:/Qt/2009.03/mingw/bin/mingw32-make.exe clean -w
mingw32-make: Entering directory `D:/My Documents/mypro'
mingw32-make: Leaving directory `D:/My Documents/mypro'
mingw32-make: *** No rule to make target `c:/Qt/2009.03/qt/mkspecs/win32-g++/qmake.conf', needed by `makefile'. Stop.
Exited with code 2.
Error while building project mypro
When executing build step 'Make'
编译工程的时候出现这个。