FreeBSD 8.2 and DisplayLink devices?

[Torfinn Ingolfsen]

On Sun, 10 Jul 2011 19:56:03 +0200
Hans Petter Selasky <hselasky at c2i.net> wrote:

> 
> Try to:
> 
> setenv CFLAGS "-I/usr/local/include"
> export CFLAGS
> 
> Before configure.

I tried (I'm using /bin/sh)
CFLAGS="-I/usr/local/include" ./configure
env CFLAGS="-I/usr/local/include" ./configure

but got the same error message:
configure: error: Can't find libusb. On ubuntu, try sudo apt-get install libusb-dev
-- 
Torfinn