Index: libusb-0.1.12/configure.in
===================================================================
--- libusb-0.1.12.orig/configure.in
+++ libusb-0.1.12/configure.in
@@ -90,6 +90,8 @@ LINUX_API=0
 DARWIN_API=0
 BSD_API=0
 
+DEFINE_USB_HID_DESCRIPTOR=1
+
 AC_MSG_CHECKING(for what USB OS support)
 case $host in
   *-linux*)
@@ -101,13 +103,40 @@ case $host in
     AC_MSG_RESULT(Linux)
     OSLIBS=""
     ;;
-  *-freebsd*|*-kfreebsd*-gnu|*-openbsd*|*-netbsd*)
+  *-freebsd*)
+    AC_DEFINE(BSD_API, 1)
+    AC_DEFINE(LINUX_API, 0)
+    AC_DEFINE(DARWIN_API, 0)
+    BSD_API=1
+    os_support=bsd
+    AC_MSG_RESULT(FreeBSD)
+    OSLIBS=""
+    AC_CHECK_HEADERS([dev/usb/usbhid.h])
+    if test "x$ac_cv_header_dev_usb_hisbhid_h" = "xyes"; then
+    	AC_MSG_CHECKING([for usb_hid_descriptor])
+	have_usb_hid_descriptor=no
+	AC_TRY_COMPILE([
+	  #include <sys/types.h>
+	  #include <dev/usb/usb.h>
+	  #include <dev/usb/usbhid.h>
+	], [
+	  struct usb_hid_descriptor descr;
+	], [
+	  have_usb_hid_descriptor=yes
+	])
+	AC_MSG_RESULT([$have_usb_hid_descriptor])
+	if test "x$have_usb_hid_descriptor" = "xyes"; then
+	  DEFINE_USB_HID_DESCRIPTOR=0
+	fi
+    fi
+    ;;
+  *-dragonfly*|*-kfreebsd*-gnu|*-openbsd*|*-netbsd*)
     AC_DEFINE(BSD_API, 1)
     AC_DEFINE(LINUX_API, 0)
     AC_DEFINE(DARWIN_API, 0)
     BSD_API=1
     os_support=bsd
-    AC_MSG_RESULT(FreeBSD, OpenBSD and/or NetBSD)
+    AC_MSG_RESULT(DragonFly, OpenBSD and/or NetBSD)
     OSLIBS=""
     ;;
   *-darwin*)
@@ -128,6 +157,7 @@ esac
 AC_SUBST(DARWIN_API)
 AC_SUBST(LINUX_API)
 AC_SUBST(BSD_API)
+AC_SUBST(DEFINE_USB_HID_DESCRIPTOR)
 
 AM_CONDITIONAL(LINUX_API, test "$os_support" = "linux")
 AM_CONDITIONAL(BSD_API, test "$os_support" = "bsd")
Index: libusb-0.1.12/usb.h.in
===================================================================
--- libusb-0.1.12.orig/usb.h.in
+++ libusb-0.1.12/usb.h.in
@@ -17,6 +17,12 @@
 
 #include <dirent.h>
 
+#if ! @DEFINE_USB_HID_DESCRIPTOR@ && defined(__FreeBSD__)
+#include <sys/types.h>
+#include <dev/usb/usb.h>
+#include <dev/usb/usbhid.h>
+#endif
+
 /*
  * USB spec information
  *
@@ -75,6 +81,7 @@ struct usb_string_descriptor {
 	u_int16_t wData[1];
 };
 
+#if ! @DEFINE_USB_HID_DESCRIPTOR@ && defined(__FreeBSD__)
 /* HID descriptor */
 struct usb_hid_descriptor {
 	u_int8_t  bLength;
@@ -86,6 +93,7 @@ struct usb_hid_descriptor {
 	/* u_int16_t wDescriptorLength; */
 	/* ... */
 };
+#endif
 
 /* Endpoint descriptor */
 #define USB_MAXENDPOINTS	32