I'm getting this error when building ieProceduralHolderTranslator for arnold version
contrib/IECoreArnold/src/IECoreArnold/mtoaExtension/ProceduralHolderTranslator.cpp: In member function 'virtual AtNode* ProceduralHolderTranslator::CreateArnoldNodes()':
contrib/IECoreArnold/src/IECoreArnold/mtoaExtension/ProceduralHolderTranslator.cpp:60: error: no matching function for call to 'ProceduralHolderTranslator::IsMasterInstance(MDagPath&)'
scons: *** [contrib/IECoreArnold/src/IECoreArnold/mtoaExtension/ProceduralHolderTranslator.os] Error 1
everything else seems to build fine for arnold...
cheers...