From b501e243449f18fd76bf627d2a08296ac6af40bd Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Tue, 23 Dec 2025 22:10:59 +0100
Subject: [PATCH] fix Dragonfly BSD build

On Dragonfly the USB headers are in different locations, view #define's
differ in naming.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
 configure.ac      | 19 ++++++++++---------
 src/backend_bsd.c | 13 +++++++++++++
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/configure.ac b/configure.ac
index b4d7a4a..7809769 100644
--- a/configure.ac
+++ b/configure.ac
@@ -69,15 +69,16 @@ if test "x$linux_backend" = xyes; then
     AC_DEFINE(LINUX_BACKEND, 1, [Compile Linux joystick backend])
 fi
 
-bsd_backend=yes
-AC_CHECK_HEADERS([dev/usb/usb.h])
-AC_CHECK_HEADERS([usbhid.h dev/usb/usbhid.h],, [bsd_backend=no],
-[[#if HAVE_DEV_USB_USB_H
-#include <dev/usb/usb.h>
-#endif
-]])
-AC_CHECK_HEADERS([dev/hid/hid.h])
-AC_CHECK_LIB([usbhid],[hid_get_item],, [bsd_backend=no])
+bsd_backend=no
+case $host_os in
+*dragonfly*)
+  AC_CHECK_HEADERS([bus/u4b/usb.h bus/u4b/usbhid.h], [bsd_backend=yes])
+  ;;
+*)
+  AC_CHECK_HEADERS([dev/usb/usbhid.h], [bsd_backend=yes])
+  ;;
+esac
+
 AM_CONDITIONAL(BSD_BACKEND, [test "x$bsd_backend" = xyes])
 if test "x$bsd_backend" = xyes; then
     AC_CHECK_HEADERS([dev/usb/usb_ioctl.h])
diff --git a/src/backend_bsd.c b/src/backend_bsd.c
index 6225368..ef50f0a 100644
--- a/src/backend_bsd.c
+++ b/src/backend_bsd.c
@@ -40,8 +40,21 @@
 #include <xf86_OSproc.h>
 
 #include <usbhid.h>
+
+#ifdef __DragonFly__
+
+#include <bus/u4b/usb.h>
+#include <bus/u4b/usbhid.h>
+
+#define USB_GET_REPORT_ID UR_GET_REPORT
+
+#else /* __DragonFly__ */
+
 #include <dev/usb/usb.h>
 #include <dev/usb/usbhid.h>
+
+#endif /* __DragonFly__ */
+
 #ifdef HAVE_DEV_HID_HID_H
     #include <dev/hid/hid.h>
 #endif