<div dir="ltr"><div><div>As I remember, libusb is only required for testing currently if the VRPlugin and VRPN are enabled. The current test for this case does use libusb, even though this may not be correct for the environment.<br>
<br>It may or may not be necessary for VRPN to use libusb given the immersive environment setup.<br><br></div>If you don't use libusb in your implementation, and you don't perform tests, then you could make this blank in the current implementation. We should probably ask if you use libusb with VRPN, then we will need to ask for VRPN_LIBUSB_INCLUDE_DIR, because it is routinely in a non-standard location.<br>
<br></div>Patrick<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jan 29, 2013 at 4:42 PM, Russell M. Taylor II <span dir="ltr"><<a href="mailto:taylorr@cs.unc.edu" target="_blank">taylorr@cs.unc.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">VRPN can handle a number of non-LIBUSB devices. It handles many devices using the HID interface. It handles others using RS-232 or native O/S interfaces. Depending on what device you need, you may or may not need LIBUSB.<br>
<br>
Russ<br>
<br>
<br>
---<br>
Russell M. Taylor II, Ph.D. <a href="mailto:taylorr@cs.unc.edu" target="_blank">taylorr@cs.unc.edu</a><br>
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