Index: linux/Makefile
===================================================================
--- linux/Makefile	(revision 83)
+++ linux/Makefile	(working copy)
@@ -11,7 +11,9 @@
 RM		=	rm -f
 
 CFLAGS	=	-Wall -O3 -I. -Wno-invalid-offsetof
+CFLAGS	+=	-I/usr/pkg/include
 LFLAGS	=	
+LFLAGS	+=	-L/usr/pkg/lib -R/usr/pkg/lib
 LIBS	=	-lstdc++ -lusb -lpthread
 
 TARGET	=	edmus
Index: linux/gimic/usbdev.cpp
===================================================================
--- linux/gimic/usbdev.cpp	(revision 83)
+++ linux/gimic/usbdev.cpp	(working copy)
@@ -143,7 +143,9 @@
 {
 	if (::usb_set_configuration(dh, dev->config->bConfigurationValue) < 0)
 	{
+#ifdef LIBUSB_HAS_GET_DRIVER_NP
 		if (::usb_detach_kernel_driver_np(dh, dev->config->interface->altsetting->bInterfaceNumber) < 0)
+#endif
 		{
 			printf("usb_set_configuration Error.\n");
 			printf("usb_detach_kernel_driver_np Error.(%s)\n", ::usb_strerror());
@@ -152,7 +154,9 @@
 	}
 	if (::usb_claim_interface(dh, dev->config->interface->altsetting->bInterfaceNumber) < 0)
 	{
+#ifdef LIBUSB_HAS_GET_DRIVER_NP
 		if (::usb_detach_kernel_driver_np(dh,dev->config->interface->altsetting->bInterfaceNumber) < 0)
+#endif
 		{
 			printf("usb_claim_interface Error.\n");
 			printf("usb_detach_kernel_driver_np Error.(%s)\n", ::usb_strerror());
@@ -212,7 +216,7 @@
 	{
 		return -1;
 	}
-	const int nResult = ::usb_bulk_write(m_dh, m_nOutEndPoint, static_cast<const char*>(lpBuffer), cbBuffer, 0);
+	const int nResult = ::usb_bulk_write(m_dh, m_nOutEndPoint, const_cast<char *>(static_cast<const char*>(lpBuffer)), cbBuffer, 0);
 	if (nResult < 0)
 	{
 		::printf("Unable to perform bulk write (%d)\n", nResult);