Date: Wed, 4 Nov 2009 01:11:58 GMT From: Robert Jenssen <robertjenssen@hotmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: usb/140259: libusb-1.0 portability/compatibility nits Message-ID: <200911040111.nA41Bw30098496@www.freebsd.org> Resent-Message-ID: <200911040120.nA41K2Rv056791@freefall.freebsd.org>
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>Number: 140259 >Category: usb >Synopsis: libusb-1.0 portability/compatibility nits >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-usb >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Wed Nov 04 01:20:01 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Robert Jenssen >Release: 8.0RC2 >Organization: >Environment: FreeBSD kraken 8.0-RC2 FreeBSD 8.0-RC2 #0: Sat Oct 31 05:40:55 EST 2009 robj@kraken:/usr/obj/usr/src/sys/KRAKEN i386 >Description: Thankyou for porting libusb-1.0 to the FreeBSD kernel. Being new to usb programming, I tried to compile the non-trivial example program, dpfp.c, provided with the libusb-1.0.3.tar.bz2 tarball available from "http://sourceforge.net/projects/libusb/files/libusb-1.0/libusb-1.0.3/libusb-1.0.3.tar.bz2/download" . I found two problems 1. FreeBSD libusb10 is not quite portable. Here is a diff required to get dpfp.c to compile: [robj examples]diff dpfp.c dpfp.c.orig 30,32c30 < #include <libusb.h> < < #define LIBUSB_CONTROL_SETUP_SIZE (sizeof(struct libusb_control_setup)) --- > #include <libusb/libusb.h> 62c60 < static libusb_device_handle *devh = NULL; --- > static struct libusb_device_handle *devh = NULL; 2. Some libusb-1.0 functions are not implemented. Here is an attempt to link dpfp.c: [robj examples]gcc -O0 -g -o dpfp -lusb dpfp.c /var/tmp//ccPc8n2t.o(.text+0x4dc): In function `set_mode_async': /home/robj/TMP/libusb-1.0.3/examples/dpfp.c:182: undefined reference to `libusb_fill_control_setup' /var/tmp//ccPc8n2t.o(.text+0x51c):/home/robj/TMP/libusb-1.0.3/examples/dpfp.c:184: undefined reference to `libusb_fill_control_transfer' /var/tmp//ccPc8n2t.o(.text+0xbe5): In function `alloc_transfers': /home/robj/TMP/libusb-1.0.3/examples/dpfp.c:406: undefined reference to `libusb_fill_bulk_transfer' /var/tmp//ccPc8n2t.o(.text+0xc2c):/home/robj/TMP/libusb-1.0.3/examples/dpfp.c:408: undefined reference to `libusb_fill_interrupt_transfer' >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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