Hi,
I just downloaded Qt5 i have setup the compiler and so but when i try compile GUI app it don't work
Qt Code: 
  1. 19:05:50: Running steps for project untitled6...
  2. 19:05:50: Configuration unchanged, skipping qmake step.
  3. 19:05:50: Starting: "/usr/bin/make" -w
  4. make: Entering directory `/home/igor/untitled6-build-Desktop_Qt_5_0_0_GCC_64bit_SDK-Release'
  5. /home/igor/Qt5.0.0/5.0.0/gcc_64/bin/qmake -spec linux-g++-64 -o Makefile ../untitled6/untitled6.pro
  6. make: Leaving directory `/home/igor/untitled6-build-Desktop_Qt_5_0_0_GCC_64bit_SDK-Release'
  7. make: Entering directory `/home/igor/untitled6-build-Desktop_Qt_5_0_0_GCC_64bit_SDK-Release'
  8. /home/igor/Qt5.0.0/5.0.0/gcc_64/bin/uic ../untitled6/widget.ui -o ui_widget.h
  9. g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -fPIE -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I../Qt5.0.0/5.0.0/gcc_64/mkspecs/linux-g++-64 -I../untitled6 -I../Qt5.0.0/5.0.0/gcc_64/include -I../Qt5.0.0/5.0.0/gcc_64/include/QtWidgets -I../Qt5.0.0/5.0.0/gcc_64/include/QtGui -I../Qt5.0.0/5.0.0/gcc_64/include/QtCore -I. -I. -I. -o main.o ../untitled6/main.cpp
  10. g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -fPIE -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I../Qt5.0.0/5.0.0/gcc_64/mkspecs/linux-g++-64 -I../untitled6 -I../Qt5.0.0/5.0.0/gcc_64/include -I../Qt5.0.0/5.0.0/gcc_64/include/QtWidgets -I../Qt5.0.0/5.0.0/gcc_64/include/QtGui -I../Qt5.0.0/5.0.0/gcc_64/include/QtCore -I. -I. -I. -o widget.o ../untitled6/widget.cpp
  11. /home/igor/Qt5.0.0/5.0.0/gcc_64/bin/moc -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I../Qt5.0.0/5.0.0/gcc_64/mkspecs/linux-g++-64 -I../untitled6 -I../Qt5.0.0/5.0.0/gcc_64/include -I../Qt5.0.0/5.0.0/gcc_64/include/QtWidgets -I../Qt5.0.0/5.0.0/gcc_64/include/QtGui -I../Qt5.0.0/5.0.0/gcc_64/include/QtCore -I. -I. -I. ../untitled6/widget.h -o moc_widget.cpp
  12. g++ -c -m64 -pipe -O2 -Wall -W -D_REENTRANT -fPIE -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I../Qt5.0.0/5.0.0/gcc_64/mkspecs/linux-g++-64 -I../untitled6 -I../Qt5.0.0/5.0.0/gcc_64/include -I../Qt5.0.0/5.0.0/gcc_64/include/QtWidgets -I../Qt5.0.0/5.0.0/gcc_64/include/QtGui -I../Qt5.0.0/5.0.0/gcc_64/include/QtCore -I. -I. -I. -o moc_widget.o moc_widget.cpp
  13. g++ -m64 -Wl,-O1 -Wl,-rpath,/home/igor/Qt5.0.0/5.0.0/gcc_64 -Wl,-rpath,/home/igor/Qt5.0.0/5.0.0/gcc_64/lib -o untitled6 main.o widget.o moc_widget.o   -L/usr/X11R6/lib64 -L/home/igor/Qt5.0.0/5.0.0/gcc_64/lib -lQt5Widgets -lQt5Gui -lQt5Core -lGL -lpthread
  14. /usr/bin/ld: cannot find -lGL
  15. make: Leaving directory `/home/igor/untitled6-build-Desktop_Qt_5_0_0_GCC_64bit_SDK-Release'
  16. collect2: error: ld returned 1 exit status
  17. make: *** [untitled6] Error 1
  18. 19:05:52: The process "/usr/bin/make" exited with code 2.
  19. Error while building/deploying project untitled6 (kit: Desktop Qt 5.0.0 GCC 64bit (SDK))
  20. When executing step 'Make'
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My system Linux 64-bit
Thanks