diff --git a/CMake/itkOpenCL.cmake b/CMake/itkOpenCL.cmake
index 0ccbe144d..fa381524f 100644
--- a/CMake/itkOpenCL.cmake	
+++ b/CMake/itkOpenCL.cmake
@@ -48,7 +48,7 @@ if(ITK_USE_GPU)
                       )
     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_FILE}
                                 PROPERTIES GENERATED ON)
-    set(${SRC_VAR} ${${SRC_VAR}} ${OUTPUT_FILE})
+    set(${SRC_VAR} ${${SRC_VAR}} ${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_FILE})
   endmacro()
 
   macro(write_gpu_kernels GPUKernels GPU_SRC)
diff --git a/Modules/Core/Common/include/itkMacro.h b/Modules/Core/Common/include/itkMacro.h
index 1816f722a..3a6a8aee5 100644
--- a/Modules/Core/Common/include/itkMacro.h	
+++ b/Modules/Core/Common/include/itkMacro.h
@@ -1141,7 +1141,7 @@ compilers.
 #define itkGetVectorMacro(name, type, count)                                                                           \
   virtual type * Get##name() const { return this->m_##name; }
 
-/**\def itkGPUKernelClassMacro
+/**\def class itkGPUKernelClassMacro
  * Construct a non-templatized helper class that
  * provides the GPU kernel source code as a const char*
  */
@@ -1150,7 +1150,7 @@ compilers.
    * Workaround KWstyle bug \                                                                                          \
    * \ingroup ITKCommon \                                                                                              \
    */                                                                                                                  \
-  class kernel                                                                                                         \
+  kernel                                                                                                         \
   {                                                                                                                    \
   public:                                                                                                              \
     static const char *                                                                                                \
diff --git a/Modules/Core/GPUCommon/include/itkGPUImageOps.h b/Modules/Core/GPUCommon/include/itkGPUImageOps.h
index f4eb8f33b..fbdf3d757 100644
--- a/Modules/Core/GPUCommon/include/itkGPUImageOps.h	
+++ b/Modules/Core/GPUCommon/include/itkGPUImageOps.h
@@ -23,7 +23,7 @@
 namespace itk
 {
 /** Create a helper GPU Kernel class for GPUImageOps */
-itkGPUKernelClassMacro(GPUImageOpsKernel);
+class itkGPUKernelClassMacro(GPUImageOpsKernel);
 
 /** \class GPUImageOps
  *
diff --git a/Modules/Core/GPUCommon/include/itkGPUReduction.h b/Modules/Core/GPUCommon/include/itkGPUReduction.h
index 524a5cd01..1b3ce91e9 100644
--- a/Modules/Core/GPUCommon/include/itkGPUReduction.h	
+++ b/Modules/Core/GPUCommon/include/itkGPUReduction.h
@@ -26,7 +26,7 @@
 namespace itk
 {
 /** Create a helper GPU Kernel class for GPUReduction */
-itkGPUKernelClassMacro(GPUReductionKernel);
+class itkGPUKernelClassMacro(GPUReductionKernel);
 
 /**
  * \class GPUReduction
diff --git a/Modules/Core/GPUFiniteDifference/include/itkGPUDenseFiniteDifferenceImageFilter.h b/Modules/Core/GPUFiniteDifference/include/itkGPUDenseFiniteDifferenceImageFilter.h
index 853801cec..2fccf0bc5 100644
--- a/Modules/Core/GPUFiniteDifference/include/itkGPUDenseFiniteDifferenceImageFilter.h	
+++ b/Modules/Core/GPUFiniteDifference/include/itkGPUDenseFiniteDifferenceImageFilter.h
@@ -24,7 +24,7 @@
 namespace itk
 {
 /** Create a helper GPU Kernel class for GPUDenseFiniteDifferenceImageFilter */
-itkGPUKernelClassMacro(GPUDenseFiniteDifferenceImageFilterKernel);
+class ITKGPUFiniteDifference_EXPORT itkGPUKernelClassMacro(GPUDenseFiniteDifferenceImageFilterKernel);
 
 /**
  * \class GPUDenseFiniteDifferenceImageFilter
diff --git a/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUGradientNDAnisotropicDiffusionFunction.h b/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUGradientNDAnisotropicDiffusionFunction.h
index 4245ff914..1b21b709e 100644
--- a/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUGradientNDAnisotropicDiffusionFunction.h	
+++ b/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUGradientNDAnisotropicDiffusionFunction.h
@@ -54,7 +54,7 @@ namespace itk
  */
 
 /** Create a helper GPU Kernel class for GPUGradientNDAnisotropicDiffusionFunction */
-itkGPUKernelClassMacro(GPUGradientNDAnisotropicDiffusionFunctionKernel);
+class itkGPUKernelClassMacro(GPUGradientNDAnisotropicDiffusionFunctionKernel);
 
 template <typename TImage>
 class ITK_TEMPLATE_EXPORT GPUGradientNDAnisotropicDiffusionFunction
diff --git a/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUScalarAnisotropicDiffusionFunction.h b/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUScalarAnisotropicDiffusionFunction.h
index 305f6490e..d0d433080 100644
--- a/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUScalarAnisotropicDiffusionFunction.h	
+++ b/Modules/Filtering/GPUAnisotropicSmoothing/include/itkGPUScalarAnisotropicDiffusionFunction.h
@@ -32,7 +32,7 @@ namespace itk
  * */
 
 /** Create a helper GPU Kernel class for GPUScalarAnisotropicDiffusionFunction */
-itkGPUKernelClassMacro(GPUScalarAnisotropicDiffusionFunctionKernel);
+class itkGPUKernelClassMacro(GPUScalarAnisotropicDiffusionFunctionKernel);
 
 template <typename TImage>
 class ITK_TEMPLATE_EXPORT GPUScalarAnisotropicDiffusionFunction : public GPUAnisotropicDiffusionFunction<TImage>
diff --git a/Modules/Filtering/GPUImageFilterBase/include/itkGPUCastImageFilter.h b/Modules/Filtering/GPUImageFilterBase/include/itkGPUCastImageFilter.h
index 23530ac5c..e1b83f696 100644
--- a/Modules/Filtering/GPUImageFilterBase/include/itkGPUCastImageFilter.h	
+++ b/Modules/Filtering/GPUImageFilterBase/include/itkGPUCastImageFilter.h
@@ -29,7 +29,7 @@ namespace itk
 {
 
 /** Create a helper GPU Kernel class for GPUCastImageFilter */
-itkGPUKernelClassMacro(GPUCastImageFilterKernel);
+class itkGPUKernelClassMacro(GPUCastImageFilterKernel);
 
 /** \class GPUCastImageFilter
  * \brief GPU version of CastImageFilter.
diff --git a/Modules/Filtering/GPUImageFilterBase/include/itkGPUNeighborhoodOperatorImageFilter.h b/Modules/Filtering/GPUImageFilterBase/include/itkGPUNeighborhoodOperatorImageFilter.h
index c4adc2967..69aeac6db 100644
--- a/Modules/Filtering/GPUImageFilterBase/include/itkGPUNeighborhoodOperatorImageFilter.h	
+++ b/Modules/Filtering/GPUImageFilterBase/include/itkGPUNeighborhoodOperatorImageFilter.h
@@ -41,7 +41,7 @@ namespace itk
  */
 
 /** Create a helper GPU Kernel class for GPUNeighborhoodOperatorImageFilter */
-itkGPUKernelClassMacro(GPUNeighborhoodOperatorImageFilterKernel);
+class itkGPUKernelClassMacro(GPUNeighborhoodOperatorImageFilterKernel);
 
 template <typename TInputImage,
           typename TOutputImage,
diff --git a/Modules/Filtering/GPUSmoothing/include/itkGPUMeanImageFilter.h b/Modules/Filtering/GPUSmoothing/include/itkGPUMeanImageFilter.h
index 57bc3ebb7..4ff98c665 100644
--- a/Modules/Filtering/GPUSmoothing/include/itkGPUMeanImageFilter.h	
+++ b/Modules/Filtering/GPUSmoothing/include/itkGPUMeanImageFilter.h
@@ -37,7 +37,7 @@ namespace itk
  */
 
 /** Create a helper GPU Kernel class for GPUMeanImageFilter */
-itkGPUKernelClassMacro(GPUMeanImageFilterKernel);
+class itkGPUKernelClassMacro(GPUMeanImageFilterKernel);
 
 template <typename TInputImage, typename TOutputImage>
 class ITK_TEMPLATE_EXPORT GPUMeanImageFilter
diff --git a/Modules/Filtering/GPUThresholding/include/itkGPUBinaryThresholdImageFilter.h b/Modules/Filtering/GPUThresholding/include/itkGPUBinaryThresholdImageFilter.h
index 8d26dcfc5..613bc623f 100644
--- a/Modules/Filtering/GPUThresholding/include/itkGPUBinaryThresholdImageFilter.h	
+++ b/Modules/Filtering/GPUThresholding/include/itkGPUBinaryThresholdImageFilter.h
@@ -85,7 +85,7 @@ private:
 } // end of namespace Functor
 
 /** Create a helper GPU Kernel class for GPUBinaryThresholdImageFilter */
-itkGPUKernelClassMacro(GPUBinaryThresholdImageFilterKernel);
+class itkGPUKernelClassMacro(GPUBinaryThresholdImageFilterKernel);
 
 /**
  * \class GPUBinaryThresholdImageFilter
diff --git a/Modules/Registration/GPUPDEDeformable/include/itkGPUDemonsRegistrationFunction.h b/Modules/Registration/GPUPDEDeformable/include/itkGPUDemonsRegistrationFunction.h
index 28b21d592..0b46e27b8 100644
--- a/Modules/Registration/GPUPDEDeformable/include/itkGPUDemonsRegistrationFunction.h	
+++ b/Modules/Registration/GPUPDEDeformable/include/itkGPUDemonsRegistrationFunction.h
@@ -51,7 +51,7 @@ namespace itk
  * \ingroup ITKGPUPDEDeformableRegistration
  */
 /** Create a helper GPU Kernel class for GPUDemonsRegistrationFunction */
-itkGPUKernelClassMacro(GPUDemonsRegistrationFunctionKernel);
+class itkGPUKernelClassMacro(GPUDemonsRegistrationFunctionKernel);
 
 template <typename TFixedImage, typename TMovingImage, typename TDisplacementField>
 class ITK_TEMPLATE_EXPORT GPUDemonsRegistrationFunction
diff --git a/Modules/Registration/GPUPDEDeformable/include/itkGPUPDEDeformableRegistrationFilter.h b/Modules/Registration/GPUPDEDeformable/include/itkGPUPDEDeformableRegistrationFilter.h
index 93ab975ec..0afd84871 100644
--- a/Modules/Registration/GPUPDEDeformable/include/itkGPUPDEDeformableRegistrationFilter.h	
+++ b/Modules/Registration/GPUPDEDeformable/include/itkGPUPDEDeformableRegistrationFilter.h
@@ -73,7 +73,7 @@ namespace itk
  */
 
 /** Create a helper GPU Kernel class for GPUPDEDeformableRegistrationFilter */
-itkGPUKernelClassMacro(GPUPDEDeformableRegistrationFilterKernel);
+class itkGPUKernelClassMacro(GPUPDEDeformableRegistrationFilterKernel);
 
 template <typename TFixedImage,
           typename TMovingImage,