From 7f1ed7e5191dd81106877c3fc5219a20d14f6966 Mon Sep 17 00:00:00 2001
From: Doug Huff <mith@jrbobdobbs.org>
Date: Mon, 12 Sep 2011 17:05:58 -0500
Subject: [PATCH] This fixes building on OpenBSD and properly adds
 ykcore_libusb output to gitignore.

---
 .gitignore             | 2 ++
 ykcore/ykcore_libusb.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/.gitignore b/.gitignore
index 49d8a6e..5e6aaaa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,6 +51,8 @@ ykcore/ykcore.lo
 ykcore/ykcore.o
 ykcore/ykcore_libusb-1.0.lo
 ykcore/ykcore_libusb-1.0.o
+ykcore/ykcore_libusb.lo
+ykcore/ykcore_libusb.o
 ykcore/ykstatus.lo
 ykcore/ykstatus.o
 ykpbkdf2.lo
diff --git a/ykcore/ykcore_libusb.c b/ykcore/ykcore_libusb.c
index 287b5ac..73cf583 100644
--- a/ykcore/ykcore_libusb.c
+++ b/ykcore/ykcore_libusb.c
@@ -159,8 +159,10 @@ void *_ykusb_open_device(int vendor_id, int product_id)
 			    && dev->descriptor.idProduct == YUBIKEY_PID) {
 				rc = YK_EUSBERR;
 				h = usb_open(dev);
+#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
 				if (h != NULL)
 					usb_detach_kernel_driver_np(h, 0);
+#endif
 				goto done;
 			}
 	}
-- 
2.39.5