Filter out all warning flags from llvm-config including the undocumented (AFAICT) ``-W`` flag (seems to enable more warnings). We should have control over the warnings used to build Halide.
Filter out all warning flags from llvm-config including the undocumented
(AFAICT) ``-W`` flag (seems to enable more warnings). We should have
control over the warnings used to build Halide.

smxlong/Halide,mcanthony/Halide,delcypher/Halide,adasworks/Halide,myrtleTree33/Halide,tdenniston/Halide,kenkuang1213/Halide,tdenniston/Halide,delcypher/Halide,myrtleTree33/Halide,kgnk/Halide,kgnk/Halide,ronen/Halide,delcypher/Halide,tdenniston/Halide,adasworks/Halide,dougkwan/Halide,dan-tull/Halide,adasworks/Halide,jiawen/Halide,myrtleTree33/Halide,dan-tull/Halide,jiawen/Halide,jiawen/Halide,kgnk/Halide,tdenniston/Halide,dougkwan/Halide,dan-tull/Halide,kenkuang1213/Halide,ronen/Halide,kenkuang1213/Halide,dan-tull/Halide,psuriana/Halide,dan-tull/Halide,mcanthony/Halide,kenkuang1213/Halide,psuriana/Halide,delcypher/Halide,myrtleTree33/Halide,kgnk/Halide,dougkwan/Halide,psuriana/Halide,psuriana/Halide,smxlong/Halide,dan-tull/Halide,dougkwan/Halide,smxlong/Halide,delcypher/Halide,tdenniston/Halide,tdenniston/Halide,myrtleTree33/Halide,myrtleTree33/Halide,adasworks/Halide,ronen/Halide,jiawen/Halide,adasworks/Halide,myrtleTree33/Halide,jiawen/Halide,dan-tull/Halide,kgnk/Halide,tdenniston/Halide,dougkwan/Halide,ronen/Halide,jiawen/Halide,mcanthony/Halide,smxlong/Halide,mcanthony/Halide,delcypher/Halide,kenkuang1213/Halide,tdenniston/Halide,delcypher/Halide,mcanthony/Halide,adasworks/Halide,smxlong/Halide,dougkwan/Halide,dougkwan/Halide,ronen/Halide,ronen/Halide,dougkwan/Halide,smxlong/Halide,smxlong/Halide,psuriana/Halide,psuriana/Halide,mcanthony/Halide,kenkuang1213/Halide,myrtleTree33/Halide,jiawen/Halide,mcanthony/Halide,delcypher/Halide,adasworks/Halide,kenkuang1213/Halide,ronen/Halide,ronen/Halide,kenkuang1213/Halide,kgnk/Halide,kgnk/Halide,mcanthony/Halide,adasworks/Halide,dan-tull/Halide,kgnk/Halide,psuriana/Halide,smxlong/Halide