Undefine IB macros when building libswift
Undefine IB macros when building libswift

apple/swift,roambotics/swift,rudkx/swift,rudkx/swift,roambotics/swift,glessard/swift,JGiola/swift,glessard/swift,glessard/swift,apple/swift,benlangmuir/swift,atrick/swift,apple/swift,roambotics/swift,JGiola/swift,benlangmuir/swift,rudkx/swift,glessard/swift,benlangmuir/swift,atrick/swift,JGiola/swift,apple/swift,atrick/swift,gregomni/swift,ahoppen/swift,benlangmuir/swift,apple/swift,atrick/swift,ahoppen/swift,rudkx/swift,JGiola/swift,rudkx/swift,benlangmuir/swift,gregomni/swift,JGiola/swift,gregomni/swift,roambotics/swift,roambotics/swift,gregomni/swift,benlangmuir/swift,ahoppen/swift,roambotics/swift,ahoppen/swift,atrick/swift,glessard/swift,gregomni/swift,JGiola/swift,gregomni/swift,rudkx/swift,apple/swift,atrick/swift,ahoppen/swift,glessard/swift,ahoppen/swift