merge Makefile from llvm37 branch
merge Makefile from llvm37 branch

boemmels/ponyc,pap/ponyc,Theodus/ponyc,mkfifo/ponyc,Perelandric/ponyc,cquinn/ponyc,jupvfranco/ponyc,jemc/ponyc,jemc/ponyc,mkfifo/ponyc,Theodus/ponyc,sgebbie/ponyc,kulibali/ponyc,kulibali/ponyc,sgebbie/ponyc,ponylang/ponyc,jupvfranco/ponyc,doublec/ponyc,cquinn/ponyc,CausalityLtd/ponyc,lukecheeseman/ponyta,doublec/ponyc,mkfifo/ponyc,malthe/ponyc,sgebbie/ponyc,Praetonus/ponyc,jonas-l/ponyc,cquinn/ponyc,Perelandric/ponyc,Praetonus/ponyc,mkfifo/ponyc,ryanai3/ponyc,darach/ponyc,Perelandric/ponyc,Praetonus/ponyc,boemmels/ponyc,jupvfranco/ponyc,dipinhora/ponyc,lukecheeseman/ponyta,jemc/ponyc,malthe/ponyc,ryanai3/ponyc,darach/ponyc,jonas-l/ponyc,sgebbie/ponyc,jupvfranco/ponyc,jupvfranco/ponyc,ponylang/ponyc,sgebbie/ponyc,dipinhora/ponyc,darach/ponyc,CausalityLtd/ponyc,Theodus/ponyc,ponylang/ponyc,Theodus/ponyc,malthe/ponyc,dipinhora/ponyc,Perelandric/ponyc,doublec/ponyc,lukecheeseman/ponyta,kulibali/ponyc,Perelandric/ponyc,Theodus/ponyc,malthe/ponyc,boemmels/ponyc,mkfifo/ponyc,kulibali/ponyc,ryanai3/ponyc,CausalityLtd/ponyc,cquinn/ponyc,Praetonus/ponyc,pap/ponyc,boemmels/ponyc,jonas-l/ponyc,pap/ponyc,boemmels/ponyc