Add libvlc-sys crate

.gitignore

@@ -9,4 +9,5 @@
 
 # Generated by Cargo
 /target/
+/libvlc-sys/target
 Cargo.lock

libvlc-sys/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "libvlc-sys"
+version = "0.1.0"
+authors = ["T. Okubo <t.okubo.rx78+devel@gmail.com>"]
+edition = "2018"
+build = "build.rs"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+libc = "0.2"
+
+[build-dependencies]
+bindgen = "0.52"

libvlc-sys/build.rs

@@ -0,0 +1,24 @@
+use bindgen;
+
+use std::env;
+use std::path::PathBuf;
+
+fn main() {
+    println!("cargo:rustc-link-lib=libvlc");
+    println!("cargo:rerun-if-changed=wrapper.h");
+
+    let bindings = bindgen::Builder::default()
+        .header("wrapper.h")
+        // For no_std
+        .use_core()
+        // Use libc
+        .ctypes_prefix("libc")
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
+        .generate()
+        .expect("Unable to generate bindings");
+
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
+    bindings
+        .write_to_file(out_path.join("bindings.rs"))
+        .expect("Couldn't write bindings!");
+}

libvlc-sys/src/lib.rs

@@ -0,0 +1,6 @@
+#![allow(non_upper_case_globals)]
+#![allow(non_camel_case_types)]
+#![allow(non_snake_case)]
+#![no_std]
+
+include!(concat!(env!("OUT_DIR"), "/bindings.rs"));

libvlc-sys/wrapper.h

@@ -0,0 +1 @@
+#include <vlc/vlc.h>