qtvars compile_debug errors

I tried to install from qt exe package for windows, and it succeeded installed, but with errors when qmaking my qt codes.
So i want to compile debug part using:

Quote:

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qt/bin/qtvars compile_debug

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and it complains:

Quote:

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mingw32-make: *** No rule to make target `E:\shell\qt4.3.4-release/src/corelib/global/qconfig.cpp', needed by `qconfig.o'. Stop.
Building qmake failed, return code 2

mingw32-make: *** No rule to make target `e:\shell\qt4.3.4-release\src\winmain\Makefile', needed by `debug-E__shell_qt4_3_4_release_src_winmain'. Stop.
E:\shell\qt4.3.4-release\src>

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What can i do? Thanks for your kind help~

You maybe forgot to run configure.exe first. qconfig.cpp is created by this executable.

After executing qtvars, i ran configure.exe and the error messages came from configure.exe.
Sorry for my misleading.