update the build system documentation
update the build system documentation
ryantm/ghc,ezyang/ghc,sdiehl/ghc,tjakway/ghcjvm,da-x/ghc,gcampax/ghc,tjakway/ghcjvm,ryantm/ghc,anton-dessiatov/ghc,green-haskell/ghc,bitemyapp/ghc,gcampax/ghc,wxwxwwxxx/ghc,wxwxwwxxx/ghc,jstolarek/ghc,ekmett/ghc,siddhanathan/ghc,mcschroeder/ghc,ryantm/ghc,olsner/ghc,fmthoma/ghc,mfine/ghc,urbanslug/ghc,ghc-android/ghc,vTurbine/ghc,ezyang/ghc,forked-upstream-packages-for-ghcjs/ghc,vikraman/ghc,sgillespie/ghc,ezyang/ghc,snoyberg/ghc,GaloisInc/halvm-ghc,elieux/ghc,christiaanb/ghc,AlexanderPankiv/ghc,nkaretnikov/ghc,sgillespie/ghc,hferreiro/replay,sdiehl/ghc,holzensp/ghc,acowley/ghc,siddhanathan/ghc,green-haskell/ghc,lukexi/ghc,AlexanderPankiv/ghc,nushio3/ghc,ml9951/ghc,holzensp/ghc,frantisekfarka/ghc-dsi,gridaphobe/ghc,oldmanmike/ghc,forked-upstream-packages-for-ghcjs/ghc,GaloisInc/halvm-ghc,nomeata/ghc,jstolarek/ghc,hferreiro/replay,mcschroeder/ghc,ekmett/ghc,tibbe/ghc,oldmanmike/ghc,mfine/ghc,frantisekfarka/ghc-dsi,da-x/ghc,hferreiro/replay,holzensp/ghc,forked-upstream-packages-for-ghcjs/ghc,ezyang/ghc,hferreiro/replay,anton-dessiatov/ghc,ml9951/ghc,mcschroeder/ghc,vTurbine/ghc,ryantm/ghc,da-x/ghc,elieux/ghc,gcampax/ghc,bitemyapp/ghc,ekmett/ghc,nathyong/microghc-ghc,bitemyapp/ghc,da-x/ghc,spacekitteh/smcghc,hferreiro/replay,ghc-android/ghc,AlexanderPankiv/ghc,mcschroeder/ghc,sgillespie/ghc,ml9951/ghc,ml9951/ghc,tjakway/ghcjvm,vTurbine/ghc,tjakway/ghcjvm,christiaanb/ghc,mettekou/ghc,shlevy/ghc,ezyang/ghc,lukexi/ghc-7.8-arm64,nomeata/ghc,elieux/ghc,siddhanathan/ghc,mcmaniac/ghc,bitemyapp/ghc,ghc-android/ghc,christiaanb/ghc,wxwxwwxxx/ghc,nomeata/ghc,ghc-android/ghc,fmthoma/ghc,sdiehl/ghc,sgillespie/ghc,lukexi/ghc-7.8-arm64,anton-dessiatov/ghc,TomMD/ghc,christiaanb/ghc,elieux/ghc,sdiehl/ghc,vikraman/ghc,da-x/ghc,urbanslug/ghc,TomMD/ghc,mcschroeder/ghc,tibbe/ghc,vikraman/ghc,da-x/ghc,ilyasergey/GHC-XAppFix,mcmaniac/ghc,mfine/ghc,nathyong/microghc-ghc,gridaphobe/ghc,gridaphobe/ghc,christiaanb/ghc,nkaretnikov/ghc,gridaphobe/ghc,shlevy/ghc,GaloisInc/halvm-ghc,tibbe/ghc,vTurbine/ghc,forked-upstream-packages-for-ghcjs/ghc,sgillespie/ghc,urbanslug/ghc,siddhanathan/ghc,oldmanmike/ghc,lukexi/ghc,shlevy/ghc,vTurbine/ghc,vikraman/ghc,forked-upstream-packages-for-ghcjs/ghc,da-x/ghc,ghc-android/ghc,wxwxwwxxx/ghc,gcampax/ghc,forked-upstream-packages-for-ghcjs/ghc,mcmaniac/ghc,GaloisInc/halvm-ghc,fmthoma/ghc,tjakway/ghcjvm,snoyberg/ghc,nkaretnikov/ghc,snoyberg/ghc,frantisekfarka/ghc-dsi,tibbe/ghc,jstolarek/ghc,tibbe/ghc,nathyong/microghc-ghc,acowley/ghc,wxwxwwxxx/ghc,anton-dessiatov/ghc,hferreiro/replay,spacekitteh/smcghc,urbanslug/ghc,sdiehl/ghc,mettekou/ghc,bitemyapp/ghc,TomMD/ghc,ghc-android/ghc,nathyong/microghc-ghc,mfine/ghc,jstolarek/ghc,snoyberg/ghc,vikraman/ghc,ryantm/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,nushio3/ghc,ghc-android/ghc,TomMD/ghc,ezyang/ghc,gridaphobe/ghc,nathyong/microghc-ghc,ilyasergey/GHC-XAppFix,fmthoma/ghc,mettekou/ghc,lukexi/ghc-7.8-arm64,mfine/ghc,hferreiro/replay,green-haskell/ghc,lukexi/ghc,oldmanmike/ghc,gridaphobe/ghc,shlevy/ghc,olsner/ghc,holzensp/ghc,elieux/ghc,olsner/ghc,TomMD/ghc,olsner/ghc,spacekitteh/smcghc,nathyong/microghc-ghc,GaloisInc/halvm-ghc,nushio3/ghc,nkaretnikov/ghc,sdiehl/ghc,urbanslug/ghc,ml9951/ghc,siddhanathan/ghc,nomeata/ghc,snoyberg/ghc,olsner/ghc,nkaretnikov/ghc,TomMD/ghc,fmthoma/ghc,mcmaniac/ghc,mfine/ghc,oldmanmike/ghc,AlexanderPankiv/ghc,acowley/ghc,shlevy/ghc,acowley/ghc,snoyberg/ghc,mcschroeder/ghc,anton-dessiatov/ghc,siddhanathan/ghc,nushio3/ghc,lukexi/ghc,nushio3/ghc,spacekitteh/smcghc,AlexanderPankiv/ghc,ekmett/ghc,forked-upstream-packages-for-ghcjs/ghc,gcampax/ghc,christiaanb/ghc,wxwxwwxxx/ghc,mfine/ghc,siddhanathan/ghc,holzensp/ghc,ilyasergey/GHC-XAppFix,lukexi/ghc-7.8-arm64,anton-dessiatov/ghc,ekmett/ghc,AlexanderPankiv/ghc,ml9951/ghc,mettekou/ghc,oldmanmike/ghc,elieux/ghc,snoyberg/ghc,sdiehl/ghc,wxwxwwxxx/ghc,tjakway/ghcjvm,jstolarek/ghc,nkaretnikov/ghc,elieux/ghc,GaloisInc/halvm-ghc,acowley/ghc,nkaretnikov/ghc,nushio3/ghc,nomeata/ghc,frantisekfarka/ghc-dsi,lukexi/ghc-7.8-arm64,acowley/ghc,nathyong/microghc-ghc,shlevy/ghc,mettekou/ghc,oldmanmike/ghc,fmthoma/ghc,fmthoma/ghc,urbanslug/ghc,acowley/ghc,ezyang/ghc,green-haskell/ghc,mcmaniac/ghc,vikraman/ghc,ilyasergey/GHC-XAppFix,mettekou/ghc,spacekitteh/smcghc,ml9951/ghc,shlevy/ghc,mcschroeder/ghc,olsner/ghc,green-haskell/ghc,sgillespie/ghc,lukexi/ghc,vTurbine/ghc,sgillespie/ghc,urbanslug/ghc,anton-dessiatov/ghc,gridaphobe/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,mettekou/ghc,nushio3/ghc,frantisekfarka/ghc-dsi,gcampax/ghc,olsner/ghc,ml9951/ghc,christiaanb/ghc,TomMD/ghc,gcampax/ghc,vikraman/ghc