Fail to compile when building with musl

[beamspease]

Build command:

cargo build --target x86_64-unknown-linux-musl

Error:

error: failed to run custom build command for `libusb-sys v0.2.3`
process didn't exit successfully: `target/debug/build/libusb-sys-6bbfe3932132cdbf/build-script-build` (exit code: 101)
--- stderr
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "Cross compilation detected. Use PKG_CONFIG_ALLOW_CROSS=1 to override"', /buildslave/rust-buildbot/slave/stable-dist-rustc-linux/build/src/libcore/result.rs:868
note: Run with `RUST_BACKTRACE=1` for a backtrace.