[parser lib build] For the "parser lib only" build, avoid building unnecessary llvm libraries that clangBasic brings
[parser lib build] For the "parser lib only" build, avoid building unnecessary llvm libraries that clangBasic brings

parkera/swift,jmgc/swift,apple/swift,glessard/swift,tkremenek/swift,JGiola/swift,atrick/swift,hooman/swift,atrick/swift,ahoppen/swift,benlangmuir/swift,parkera/swift,benlangmuir/swift,hooman/swift,xwu/swift,xwu/swift,jmgc/swift,jmgc/swift,JGiola/swift,tkremenek/swift,parkera/swift,gregomni/swift,hooman/swift,gregomni/swift,rudkx/swift,ahoppen/swift,atrick/swift,parkera/swift,tkremenek/swift,JGiola/swift,rudkx/swift,xwu/swift,JGiola/swift,glessard/swift,gregomni/swift,apple/swift,parkera/swift,parkera/swift,JGiola/swift,xwu/swift,roambotics/swift,glessard/swift,hooman/swift,jmgc/swift,parkera/swift,apple/swift,benlangmuir/swift,jmgc/swift,ahoppen/swift,gregomni/swift,roambotics/swift,ahoppen/swift,benlangmuir/swift,gregomni/swift,xwu/swift,rudkx/swift,hooman/swift,jmgc/swift,glessard/swift,roambotics/swift,roambotics/swift,gregomni/swift,rudkx/swift,JGiola/swift,xwu/swift,apple/swift,parkera/swift,xwu/swift,rudkx/swift,tkremenek/swift,hooman/swift,apple/swift,tkremenek/swift,roambotics/swift,ahoppen/swift,glessard/swift,tkremenek/swift,tkremenek/swift,atrick/swift,benlangmuir/swift,ahoppen/swift,atrick/swift,glessard/swift,apple/swift,benlangmuir/swift,jmgc/swift,rudkx/swift,roambotics/swift,hooman/swift,atrick/swift