Fix build on OS X
Fix build on OS X

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