hidapi 0.4.0

// **************************************************************************
// Copyright (c) 2015 Roland Ruckerbauer All Rights Reserved.
//
// This file is part of hidapi_rust.
//
// hidapi_rust is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// hidapi_rust is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with hidapi_rust.  If not, see <http://www.gnu.org/licenses/>.
// *************************************************************************

extern crate gcc;
extern crate pkg_config;

fn main() {
    compile();
}

#[cfg(target_os = "linux")]
fn compile() {
    let mut config = gcc::Config::new();
    config.file("etc/hidapi/libusb/hid.c").include("etc/hidapi/hidapi");
    let lib = pkg_config::find_library("libusb-1.0").expect("Unable to find libusb-1.0");
    for path in lib.include_paths {
        config.include(path.to_str().expect("Failed to convert include path to str"));
    }
    config.compile("libhidapi.a");
}

#[cfg(target_os = "windows")]
fn compile() {
    gcc::Config::new()
        .file("etc/hidapi/windows/hid.c")
        .include("etc/hidapi/hidapi")
        .compile("libhidapi.a");
    println!("cargo:rustc-link-lib=setupapi");
}

#[cfg(target_os = "macos")]
fn compile() {
    gcc::Config::new()
        .file("etc/hidapi/mac/hid.c")
        .include("etc/hidapi/hidapi")
        .compile("libhidapi.a");
    println!("cargo:rustc-link-lib=framework=IOKit");
    println!("cargo:rustc-link-lib=framework=CoreFoundation");
}