Build system: fail when encountering an unknown package tag
Build system: fail when encountering an unknown package tag

GaloisInc/halvm-ghc,elieux/ghc,vikraman/ghc,snoyberg/ghc,vTurbine/ghc,wxwxwwxxx/ghc,da-x/ghc,ezyang/ghc,TomMD/ghc,vikraman/ghc,gridaphobe/ghc,mcschroeder/ghc,TomMD/ghc,olsner/ghc,ml9951/ghc,siddhanathan/ghc,ml9951/ghc,mettekou/ghc,oldmanmike/ghc,mettekou/ghc,sdiehl/ghc,TomMD/ghc,ghc-android/ghc,vikraman/ghc,mettekou/ghc,shlevy/ghc,vikraman/ghc,TomMD/ghc,sgillespie/ghc,snoyberg/ghc,snoyberg/ghc,siddhanathan/ghc,AlexanderPankiv/ghc,sdiehl/ghc,gridaphobe/ghc,mfine/ghc,wxwxwwxxx/ghc,siddhanathan/ghc,sdiehl/ghc,sgillespie/ghc,shlevy/ghc,shlevy/ghc,AlexanderPankiv/ghc,mfine/ghc,elieux/ghc,wxwxwwxxx/ghc,GaloisInc/halvm-ghc,wxwxwwxxx/ghc,vTurbine/ghc,sgillespie/ghc,sgillespie/ghc,GaloisInc/halvm-ghc,nushio3/ghc,acowley/ghc,gridaphobe/ghc,ezyang/ghc,anton-dessiatov/ghc,elieux/ghc,nushio3/ghc,wxwxwwxxx/ghc,GaloisInc/halvm-ghc,ezyang/ghc,acowley/ghc,olsner/ghc,gridaphobe/ghc,ml9951/ghc,mcschroeder/ghc,gridaphobe/ghc,siddhanathan/ghc,sgillespie/ghc,elieux/ghc,ezyang/ghc,anton-dessiatov/ghc,nkaretnikov/ghc,acowley/ghc,ml9951/ghc,mcschroeder/ghc,sdiehl/ghc,TomMD/ghc,ezyang/ghc,nushio3/ghc,anton-dessiatov/ghc,nushio3/ghc,olsner/ghc,da-x/ghc,oldmanmike/ghc,shlevy/ghc,tjakway/ghcjvm,snoyberg/ghc,ghc-android/ghc,mettekou/ghc,olsner/ghc,acowley/ghc,TomMD/ghc,olsner/ghc,tjakway/ghcjvm,nkaretnikov/ghc,oldmanmike/ghc,sdiehl/ghc,wxwxwwxxx/ghc,elieux/ghc,vTurbine/ghc,mcschroeder/ghc,ml9951/ghc,tjakway/ghcjvm,shlevy/ghc,ghc-android/ghc,vikraman/ghc,mfine/ghc,tjakway/ghcjvm,da-x/ghc,AlexanderPankiv/ghc,olsner/ghc,mfine/ghc,mcschroeder/ghc,ghc-android/ghc,ml9951/ghc,nkaretnikov/ghc,gridaphobe/ghc,tjakway/ghcjvm,GaloisInc/halvm-ghc,nushio3/ghc,AlexanderPankiv/ghc,oldmanmike/ghc,elieux/ghc,vTurbine/ghc,ghc-android/ghc,ezyang/ghc,GaloisInc/halvm-ghc,oldmanmike/ghc,AlexanderPankiv/ghc,anton-dessiatov/ghc,wxwxwwxxx/ghc,da-x/ghc,ml9951/ghc,nkaretnikov/ghc,ml9951/ghc,snoyberg/ghc,mfine/ghc,vTurbine/ghc,mettekou/ghc,tjakway/ghcjvm,elieux/ghc,nkaretnikov/ghc,snoyberg/ghc,da-x/ghc,vikraman/ghc,mfine/ghc,sgillespie/ghc,olsner/ghc,shlevy/ghc,AlexanderPankiv/ghc,nkaretnikov/ghc,ghc-android/ghc,sdiehl/ghc,nushio3/ghc,gridaphobe/ghc,shlevy/ghc,mcschroeder/ghc,oldmanmike/ghc,mettekou/ghc,vTurbine/ghc,nkaretnikov/ghc,tjakway/ghcjvm,vTurbine/ghc,AlexanderPankiv/ghc,nushio3/ghc,oldmanmike/ghc,da-x/ghc,acowley/ghc,mettekou/ghc,siddhanathan/ghc,ezyang/ghc,da-x/ghc,snoyberg/ghc,mfine/ghc,anton-dessiatov/ghc,sdiehl/ghc,siddhanathan/ghc,anton-dessiatov/ghc,acowley/ghc,anton-dessiatov/ghc,vikraman/ghc,GaloisInc/halvm-ghc,ghc-android/ghc,TomMD/ghc,sgillespie/ghc,siddhanathan/ghc,mcschroeder/ghc,acowley/ghc