Try to fix OS X builds
Try to fix OS X builds

m-labs/llvmlite,numba/llvmlite,numba/llvmlite,pitrou/llvmlite,m-labs/llvmlite,pitrou/llvmlite,numba/llvmlite,numba/llvmlite,m-labs/llvmlite,m-labs/llvmlite,pitrou/llvmlite,pitrou/llvmlite