Hello,

I have already running Qt code which is working Fine.
When I copied the same code to my C drive and trying to run I am getting a problem
Project MESSAGE: Warning: unknown QT: widgets
Project MESSAGE: Warning: unknown QT: widgets
Building helper(s) with toolchain 'Microsoft Visual C++ Compiler 10.0 (amd64)'...

Building helper 'qmldump' in C:/SDK/Qt_471/qtc-qmldump/


Running C:\SDK\Qt_471\bin\qmake.exe -spec default qmldump.pro -nocache ...
Error running 'C:/SDK/Qt_471/bin/qmake.exe -spec default qmldump.pro -nocache' in C:/SDK/Qt_471/qtc-qmldump/: The process returned exit code 3:
Could not find mkspecs for your QMAKESPEC(default) after trying:
C:/SDK/Qt_471\mkspecs
Error processing project file: qmldump.pro

Build failed.
My .Pro file
Qt Code: 
  1. ######################################################################
  2. # Automatically generated by qmake (2.01a) Wed Feb 5 14:33:17 2014
  3. ######################################################################
  4.  
  5. TEMPLATE = app
  6. TARGET = EMU6
  7. CONFIG += warn_off staticlib
  8. QT += widgets xml
  9.  
  10. LIBS += -L"C:\MyWork\EMU6\remote\ctrl\EMU6\EmuGen6Gui\bin" -lftd2xx
  11.  
  12. DEPENDPATH += . common debug code\include code\source
  13. INCLUDEPATH += .
  14.  
  15. # Input
  16. HEADERS += \
  17.     code/include/emu6baseapp.h \
  18.     code/include/emu6config.h \
  19.     code/include/IEmu6Config.h \
  20.     code/include/microcontroller.h \
  21.     code/include/asic.h \
  22.     code/include/can0.h \
  23.     code/include/can1.h \
  24.     code/include/customer.h \
  25.     code/include/flexray.h \
  26.     code/include/D2XXModule.h \
  27.     code/include/emuglobaldefination.h \
  28.     code/include/ui_logging.h
  29.  
  30. FORMS += \
  31.     code/source/emu6config.ui
  32.  
  33. SOURCES += \
  34.            code/source/main.cpp \
  35.     code/source/emu6baseapp.cpp \
  36.     code/source/emu6config.cpp \
  37.     code/source/microcontroller.cpp \
  38.     code/source/asic.cpp \
  39.     code/source/can0.cpp \
  40.     code/source/can1.cpp \
  41.     code/source/customer.cpp \
  42.     code/source/flexray.cpp \
  43.     code/source/D2XXModule.cpp \
  44.     code/source/ui_logging.cpp
  45. RESOURCES += \
  46.     Res_images.qrc
  47.  
  48. OTHER_FILES += \
  49.     Readme.txt
To copy to clipboard, switch view to plain text mode 
I am not getting why build is failed