cargo:rerun-if-env-changed=LLVM_CONFIG_PATH
cargo:rerun-if-env-changed=LIBCLANG_PATH
cargo:rerun-if-env-changed=LIBCLANG_STATIC_PATH
cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS
cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_x86_64-unknown-linux-gnu
cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_x86_64_unknown_linux_gnu