Add verbage about needing to remap libusb-0.1 to libusb20 to get old

programs to work with the new usb stack.

1 files changed, 8 insertions, 1 deletions

diff --git a/UPDATING b/UPDATING
index 712269016202..2a909333c802 100644
--- a/UPDATING
+++ b/UPDATING
@@ -35,7 +35,8 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 8.x IS SLOW:
 	module names reverted to their previous values (eg, usb, ehci, ohci,
 	ums, ...).  The old usb stack can be compiled in by prefixing the name
 	with the letter 'o', the old usb modules have been removed.
-	Updating entry 20090216 for xorg may still apply.
+	Updating entry 20090216 for xorg and 20090215 for libmap may still
+	apply.
 
 20090217:
 	The rc.conf(5) option if_up_delay has been renamed to
@@ -59,6 +60,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 8.x IS SLOW:
 	that includes GENERIC then ensure that usb names are also changed over,
 	eg uftdi -> usb2_serial_ftdi.
 
+	Older programs linked against the ports libusb 0.1 need to be
+	redirected to the new stack's libusb20.  /etc/libmap.conf can
+	be used for this:
+		# Map old usb library to new one for usb2 stack
+		libusb-0.1.so.8	libusb20.so.1
+
 20090203:
 	The ichsmb(4) driver has been changed to require SMBus slave
 	addresses be left-justified (xxxxxxx0b) rather than right-justified.