Don't overwrite the *OPTS/*Opts variables in mk/validate-settings.mk Overwriting means we lose the -m64 on OS X 64.
Don't overwrite the *OPTS/*Opts variables in mk/validate-settings.mk
Overwriting means we lose the -m64 on OS X 64.

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