Build: make configure and ghc-pkg a bit less chatty
Build: make configure and ghc-pkg a bit less chatty

Only when V=0.

Differential Revision: https://phabricator.haskell.org/D943

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