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minimal gcc version required for opencv3.0 ?

trying to compile 3.0 with IPP and opencl on linux,

/app/opencv/modules/core/src/ocl.cpp: In member function 'void cv::ocl::Image2D:
:Impl::init(const cv::UMat&, bool, bool)':
/app/opencv/modules/core/src/ocl.cpp:4656: error: #pragma GCC diagnostic not all
owed inside functions

compiler is:

gcc (Ubuntu 4.4.3-4ubuntu5.1) 4.4.3

minimal gcc version required for opencv3.0 ?

trying to compile 3.0 with IPP and opencl on linux,

/app/opencv/modules/core/src/ocl.cpp: In member function 'void cv::ocl::Image2D:
:Impl::init(const cv::UMat&, bool, bool)':
/app/opencv/modules/core/src/ocl.cpp:4656: error: #pragma GCC diagnostic not all
owed inside functions

compiler is:

gcc (Ubuntu 4.4.3-4ubuntu5.1) 4.4.3

too old ?