message: ocl: OPENCV_OPENCL_BUILD_EXTRA_OPTIONS parameter
diff: @@ -238,6 +238,20 @@ static const bool CV_OPENCL_DISABLE_BUFFER_RECT_OPERATIONS = utils::getConfigura
  #endif
  );
  +static const String getBuildExtraOptions()
  +{
  + static String param_buildExtraOptions;
  + static bool initialized = false;
  + if (!initialized)
  + {
  + param_buildExtraOptions = utils::getConfigurationParameterString("OPENCV_OPENCL_BUILD_EXTRA_OPTIONS", "");
  + initialized = true;
  + if (!param_buildExtraOptions.empty())
  + CV_LOG_WARNING(NULL, "OpenCL: using extra build options: '" << param_buildExtraOptions << "'");
  + }
  + return param_buildExtraOptions;
  +}
  +
  #endif // HAVE_OPENCL
  struct UMat2D
  @@ -3522,6 +3536,9 @@ struct Program::Impl
  buildflags = joinBuildOptions(buildflags, " -D AMD_DEVICE");
  else if (device.isIntel())
  buildflags = joinBuildOptions(buildflags, " -D INTEL_DEVICE");
  + const String param_buildExtraOptions = getBuildExtraOptions();
  + if (!param_buildExtraOptions.empty())
  + buildflags = joinBuildOptions(buildflags, param_buildExtraOptions);
  }
  compile(ctx, src_, errmsg);
  }
  