Don't pointlessly re-extract objects from libLLVM, and don't pointlessly build libHalide.a
Don't pointlessly re-extract objects from libLLVM, and don't pointlessly build libHalide.a

psuriana/Halide,psuriana/Halide,kgnk/Halide,psuriana/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide,psuriana/Halide,psuriana/Halide,psuriana/Halide,kgnk/Halide,kgnk/Halide,psuriana/Halide,kgnk/Halide