Difficulties installing ITK4.10.0 as rusage be no longer used

I am trying to install itk4.10.0 version, However, I am getting the following error. I have attempted to google the answer but have not found anything. Any and all help would be very much appreciated!

**InsightToolkit-4.10.0/Modules/Core/Common/src/itkMemoryUsageObserver.cxx:449:79: error: ‘struct rusage’ has no member named ‘ru_ixrss’
     return static_cast<MemoryUsageObserverBase::MemoryLoadType> (resourceInfo.ru_ixrss);**

I checked the man age of getusage, there it seems they stopped maintaining the "ru_ixrss (unmaintained) This field is currently unused on Linux".