cmake -G”Unix Makefiles”要这样才可以，

D:\My Documents\qtproject\llvm\test_cmake>cmake -G”Unix Makefiles”
— The C compiler identification is GNU 4.5.0
— The CXX compiler identification is GNU 4.5.0
— Check for working C compiler: E:/Programe/MinGW/bin/cc.exe
— Check for working C compiler: E:/Programe/MinGW/bin/cc.exe — works
— Detecting C compiler ABI info
— Detecting C compiler ABI info – done
— Check for working CXX compiler: E:/Programe/MinGW/bin/g++.exe
— Check for working CXX compiler: E:/Programe/MinGW/bin/g++.exe — works
— Detecting CXX compiler ABI info
— Detecting CXX compiler ABI info – done
— Configuring done
— Generating done
— Build files have been written to: D:/My Documents/qtproject/llvm/test_cmake