On 02/11/14 02:05, Joe Nosay wrote:
Referencing at https://forums.freebsd.org/viewtopic.php?f=39&t=44691#p249459

I'm wondering if the problem is in my system or not.

Hi,

1 warning generated.
/usr/local/bin/clang -I. -I. -I./../Programs -I../Programs -I./.. -I..    
-DHAVE_CONFIG_H -g -O2 -std=gnu99 -Wall -fPIC  -c ./usb_freebsd.c
In file included from ./usb_freebsd.c:34:
./usb_bsd.h:38:21: error: use of undeclared identifier 'USB_SET_TIMEOUT'
    if (ioctl(file, USB_SET_TIMEOUT, &arg) == -1) {
                    ^
./usb_bsd.h:49:19: error: use of undeclared identifier 'USB_SET_SHORT_XFER'
  if (ioctl(file, USB_SET_SHORT_XFER, &arg) != -1) return 1;
                  ^
./usb_bsd.h:75:25: error: use of undeclared identifier 'USB_SET_CONFIG'
  if (ioctl(devx->file, USB_SET_CONFIG, &arg) != -1) return 1;
                        ^
./usb_bsd.h:113:28: error: variable has incomplete type 'struct
      usb_alt_interface'
  struct usb_alt_interface arg;
                           ^
./usb_bsd.h:113:10: note: forward declaration of 'struct usb_alt_interface'
  struct usb_alt_interface arg;
         ^

This code is for the old user-space USB API.

You need to configure for libusb.

--HPS
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