Hi,
We are using 10.10.4 Mac book and we are using 5.4.2 Qt creator and 10.2.6 ArcGis SDK for QT.We can build without problem new application in QT 5.4.2 clang 64 bit bit.But in iphoneos-clang Qt 5.4.2 for IOS and iphonesimulator-clang 5.4.2 for IOS KIT's give an exeptions like attach and link(build error image in below):
http://i.hizliresim.com/1kEAjA.png
Thanks