如何编译？

[fanrongqitiancai]

我在window 7上使用Qt5.2.1，构建项目的时候报错如下，如何解决？？
不能找到文件Cannot find file: J:\lab\CuteMarkEd-0.11.3 (1)\3rdparty\discount\discount.pro.

详细信息如下：
ar -ru debug\libpmh.a debug/pmh_parser.o debug/pmh_styleparser.o
ar: creating debug\libpmh.a
mingw32-make[3]: Leaving directory 'J:/lab/build-CuteMarkEd-Desktop_Qt_5_2_1_MinGW_32bit-Debug/3rdparty/peg-markdown-highlight'
mingw32-make[2]: Leaving directory 'J:/lab/build-CuteMarkEd-Desktop_Qt_5_2_1_MinGW_32bit-Debug/3rdparty/peg-markdown-highlight'
cd discount\ && ( if not exist Makefile J:\Program\Qt\Qt5.2.1\5.2.1\mingw48_32\bin\qmake.exe "J:\lab\CuteMarkEd-0.11.3 (1)\3rdparty\discount\discount.pro" -spec win32-g++ CONFIG+=debug CONFIG+=declarative_debug CONFIG+=qml_debug -o Makefile ) && J:/Program/Qt/Qt5.2.1/Tools/mingw48_32/bin/mingw32-make -f Makefile
Cannot find file: J:\lab\CuteMarkEd-0.11.3 (1)\3rdparty\discount\discount.pro.
Makefile:65: recipe for target 'sub-discount-make_first' failed
mingw32-make[1]: *** [sub-discount-make_first] Error 2
mingw32-make[1]: Leaving directory 'J:/lab/build-CuteMarkEd-Desktop_Qt_5_2_1_MinGW_32bit-Debug/3rdparty'
makefile:43: recipe for target 'sub-3rdparty-make_first' failed
mingw32-make: *** [sub-3rdparty-make_first] Error 2

[dbelyaev]

@fanrongqitiancai Did you checked out sub-modules?