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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple><div class=WordSection1><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>I am trying to compile ITK 4.6.1 with GPU ON, but I failed. Is there any tutorial or document about compiling ITK with GPU ON? I got warning messages as follows. And I ignored them and tried to build ITK but got error “cannot find CL/opencl.h”.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><p style='margin:0cm;margin-bottom:.0001pt'><span lang=EN-US style='font-family:"Arial","sans-serif";color:red'>WARNING: Target "ITKGPUCommon" requests linking to directory "C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v6.5/lib". Targets may link only to libraries. CMake is dropping the item.</span><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p style='margin:0cm;margin-bottom:.0001pt;-qt-block-indent:0'><span lang=EN-US style='font-family:"Arial","sans-serif";color:red'>WARNING: Target "ITKGPUCommon" requests linking to directory "C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v6.5/lib". Targets may link only to libraries. CMake is dropping the item.</span><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p style='margin:0cm;margin-bottom:.0001pt;-qt-block-indent:0'><span lang=EN-US style='font-family:"Arial","sans-serif";color:red'>WARNING: Target "ITKGPUCommon" requests linking to directory "C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v6.5/lib". Targets may link only to libraries. CMake is dropping the item.</span><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p style='margin:0cm;margin-bottom:.0001pt;-qt-block-indent:0'><span lang=EN-US style='font-family:"Arial","sans-serif";color:red'>WARNING: Target "ITKGPUCommon" requests linking to directory "C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v6.5/lib". Targets may link only to libraries. CMake is dropping the item.</span><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal style='-qt-block-indent:0'><span lang=EN-US style='font-family:"Arial","sans-serif";color:red'>WARNING: Target "ITKGPUCommon" requests linking to directory "C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v6.5/lib". Targets may link only to libraries. CMake is dropping the item.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Here is how I set up directories of OpenCL:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>OPENCL_INCLUDE_DIRS C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v6.5/include<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>OPENCL_LIBRARIES C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v6.5/lib<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Any help is appreciated!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Xiaopeng Yang<o:p></o:p></span></p></div></div></body></html>