gentoo-overlay/net-libs/libpcap/files/libpcap-1.8.1-usbmon.patch

--- a/configure.ac
+++ b/configure.ac
@@ -1493,10 +1493,9 @@
 	AC_DEFINE(PCAP_SUPPORT_USB, 1, [target host supports USB sniffing])
 	USB_SRC=pcap-usb-linux.c
 	AC_MSG_RESULT(yes)
-	ac_usb_dev_name=`udevinfo -q name -p /sys/class/usb_device/usbmon 2>/dev/null`
-	if test $? -ne 0 ; then
-	  ac_usb_dev_name="usbmon"
-	fi
+
+	ac_usb_dev_name="usbmon"
+
 	AC_DEFINE_UNQUOTED(LINUX_USB_MON_DEV, "/dev/$ac_usb_dev_name", [path for device for USB sniffing])
 	AC_MSG_NOTICE(Device for USB sniffing is /dev/$ac_usb_dev_name)
 	#