toolchains/llvm/prebuilt/darwin-x86_64/bin/x86_64-linux-android21-clang

#!/bin/bash
bin_dir=`dirname "$0"`
if [ "$1" != "-cc1" ]; then
    "$bin_dir/clang" --target=x86_64-linux-android21 "$@"
else
    # Target is already an argument.
    "$bin_dir/clang" "$@"
fi