Linux libusb 安装及简单使用一、参考文档：    1. libusb1 fails do_configure task with “udev support requested but libudev not installed”        http://stackoverflow.com/questions/23712859/libusb1-fails-do-configure-task-with-udev-support-requested-but-libudev-not-ins    2. libusb compilation error on slackware 14        http://stackoverflow.com/questions/29552267/libusb-compilation-error-on-slackware-14    3. Jan Axelson's Generic HID example under Linux with libusb        http://www.microchip.com/forums/m340898.aspx    4. Slackware- usb library        http://www.linuxquestions.org/questions/slackware-14/slackware-usb-library-4175475048/二、下载libusb：    1. 网址：http://www.libusb.org/    2. 下载：libusb-1.0.9，跳转到解压，并安装：        ./configure && make && make install；     3. 下载：libusb-compat-0.1.4，跳转到解压，并安装(一定要安装，否则总是报各种错，本人用的是64位系统)：        ./configure && make && make install； 三、libusb安装错误：    1. 错误提示：        checking for inline... inline        checking operating system... Linux        checking for library containing clock_gettime... -lrt        checking libudev.h usability... no        checking libudev.h presence... no        checking for libudev.h... no        configure: error: "udev support requested but libudev not installed"    2. 解决方法：        sudo apt-get install libudev-dev四、Example：    reference：http://www.microchip.com/forums/m340898.aspx