Import libusb1 1.0.8

libusb is a library for USB device access from userland.

Note that the OpenBSD backend based on ugen(4) does not provide 
asynchronous I/O.

with tests, tweaks and ok ajacoutot@

devel/libusb1/Makefile

@@ -0,0 +1,51 @@
+# $OpenBSD: Makefile,v 1.1.1.1 2011/11/02 14:31:56 mpi Exp $
+
+COMMENT =		library for USB device access from userspace
+
+VERSION =		1.0.8
+DISTNAME =		libusb-${VERSION}
+PKGNAME =		libusb1-${VERSION}
+SHARED_LIBS +=  	usb-1.0                   0.0 # 0.0
+
+CATEGORIES =		devel
+
+HOMEPAGE =		http://www.libusb.org
+
+MAINTAINER =		Martin Pieuchot <mpi@openbsd.org>
+
+# LGPL 2.1
+PERMIT_PACKAGE_CDROM =	Yes
+PERMIT_PACKAGE_FTP =	Yes
+PERMIT_DISTFILES_CDROM =Yes
+PERMIT_DISTFILES_FTP =	Yes
+
+MASTER_SITES =		${MASTER_SITE_SOURCEFORGE:=libusb/}
+EXTRACT_SUFX =		.tar.bz2
+
+USE_LIBTOOL =		Yes
+AUTOCONF_VERSION =	2.65
+AUTOMAKE_VERSION =	1.11
+CONFIGURE_STYLE =	automake autoconf
+CONFIGURE_ARGS +=	${CONFIGURE_SHARED}
+
+.ifdef DEBUG
+CONFIGURE_ARGS +=	--enable-log \
+			--enable-debug-log \
+			--enable-examples-build
+.endif
+
+AUTO_ENV=	AUTOCONF_VERSION=${AUTOCONF_VERSION} \
+		AUTOMAKE_VERSION=${AUTOMAKE_VERSION}
+
+post-extract:
+	cp ${FILESDIR}/openbsd_ugen.c ${WRKSRC}/libusb/os/
+
+post-patch:
+	@echo "Running aclocal-${AUTOMAKE_VERSION} in ${WRKSRC}"
+	@cd ${WRKSRC}; ${AUTO_ENV} aclocal
+
+pre-configure:
+	@echo "Running automake-${AUTOMAKE_VERSION} in ${WRKSRC}"
+	@cd ${WRKSRC}; ${AUTO_ENV} automake --foreign
+
+.include <bsd.port.mk>

devel/libusb1/distinfo

@@ -0,0 +1,5 @@
+MD5 (libusb-1.0.8.tar.bz2) = N9NObqpppLZFoZ/0ymPO7w==
+RMD160 (libusb-1.0.8.tar.bz2) = WkE6d+JAoVSA7xQ31fU5O6266YU=
+SHA1 (libusb-1.0.8.tar.bz2) = VIQ5eGD3Ccm1FhHSJIGfjtWZQGM=
+SHA256 (libusb-1.0.8.tar.bz2) = IdDTpXEPf0IRxZUQLGuezLQkNaF6T1vSw/QWarG626k=
+SIZE (libusb-1.0.8.tar.bz2) = 331820

devel/libusb1/files/openbsd_ugen.c

@@ -0,0 +1,628 @@
+/*
+ * Copyright (c) 2011 Martin Pieuchot <mpi@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/time.h>
+#include <sys/types.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <dev/usb/usb.h>
+
+#include "libusbi.h"
+
+struct device_priv {
+	char devnode[16];
+	int fd;
+	int open;
+
+	unsigned char *cdesc;			/* active config descriptor */
+	usb_device_descriptor_t ddesc;		/* usb device descriptor */
+};
+
+/*
+ * Backend functions
+ */
+int ugen_get_device_list(struct libusb_context *, struct discovered_devs **);
+int ugen_open(struct libusb_device_handle *);
+void ugen_close(struct libusb_device_handle *);
+
+int ugen_get_device_descriptor(struct libusb_device *, unsigned char *, int *);
+int ugen_get_active_config_descriptor(struct libusb_device *, unsigned char *,
+    size_t, int *);
+int ugen_get_config_descriptor(struct libusb_device *, uint8_t, unsigned char *,
+    size_t, int *);
+
+int ugen_get_configuration(struct libusb_device_handle *, int *);
+int ugen_set_configuration(struct libusb_device_handle *, int);
+
+int ugen_claim_interface(struct libusb_device_handle *, int);
+int ugen_release_interface(struct libusb_device_handle *, int);
+
+int ugen_set_interface_altsetting(struct libusb_device_handle *, int, int);
+int ugen_clear_halt(struct libusb_device_handle *, unsigned char);
+int ugen_reset_device(struct libusb_device_handle *);
+void ugen_destroy_device(struct libusb_device *);
+
+int ugen_submit_transfer(struct usbi_transfer *);
+int ugen_cancel_transfer(struct usbi_transfer *);
+void ugen_clear_transfer_priv(struct usbi_transfer *);
+int ugen_handle_events(struct libusb_context *ctx, struct pollfd *, nfds_t,
+    int);
+int ugen_clock_gettime(int, struct timespec *);
+
+/*
+ * Private functions
+ */
+int _errno_to_libusb(int);
+int _cache_active_config_descriptor(struct libusb_device *, int);
+int _sync_control_transfer(struct usbi_transfer *);
+int _sync_gen_transfer(struct usbi_transfer *);
+
+const struct usbi_os_backend openbsd_backend = {
+	"Synchronous OpenBSD backend",
+	NULL,				/* init() */
+	NULL,				/* exit() */
+	ugen_get_device_list,
+	ugen_open,
+	ugen_close,
+
+	ugen_get_device_descriptor,
+	ugen_get_active_config_descriptor,
+	ugen_get_config_descriptor,
+
+	ugen_get_configuration,
+	ugen_set_configuration,
+
+	ugen_claim_interface,
+	ugen_release_interface,
+
+	ugen_set_interface_altsetting,
+	ugen_clear_halt,
+	ugen_reset_device,
+
+	NULL,				/* kernel_driver_active() */
+	NULL,				/* detach_kernel_driver() */
+	NULL,				/* attach_kernel_driver() */
+
+	ugen_destroy_device,
+
+	ugen_submit_transfer,
+	ugen_cancel_transfer,
+	ugen_clear_transfer_priv,
+
+	ugen_handle_events,
+
+	ugen_clock_gettime,
+	sizeof(struct device_priv),
+	0,				/* device_handle_priv_size */
+	0,				/* transfer_priv_size */
+	0,				/* add_iso_packet_size */
+};
+
+int
+ugen_get_device_list(struct libusb_context * ctx,
+	struct discovered_devs **discdevs)
+{
+	struct libusb_device *dev;
+	struct device_priv *dpriv;
+	struct usb_device_info di;
+	unsigned long session_id;
+	char devnode[16];
+	int fd, err, i;
+
+	usbi_dbg("");
+
+	/* Only ugen(4) is supported */
+	for (i = 0; i < USB_MAX_DEVICES; i++) {
+		/* Control endpoint is always .00 */
+		snprintf(devnode, sizeof(devnode), "/dev/ugen%d.00", i);
+
+		if ((fd = open(devnode, O_RDONLY)) < 0) {
+			if (errno != ENOENT && errno != ENXIO)
+				usbi_err(ctx, "could no open %s", devnode);
+			continue;
+		}
+
+		if (ioctl(fd, USB_GET_DEVICEINFO, &di) < 0)
+			continue;
+
+		session_id = (di.udi_bus << 8 | di.udi_addr);
+		dev = usbi_get_device_by_session_id(ctx, session_id);
+
+		if (dev == NULL) {
+			dev = usbi_alloc_device(ctx, session_id);
+			if (dev == NULL)
+				return (LIBUSB_ERROR_NO_MEM);
+
+			dev->bus_number = di.udi_bus;
+			dev->device_address = di.udi_addr;
+
+			dpriv = (struct device_priv *)dev->os_priv;
+			strlcpy(dpriv->devnode, devnode, sizeof(devnode));
+
+			if (ioctl(fd, USB_GET_DEVICE_DESC, &dpriv->ddesc) < 0) {
+				err = errno;
+				goto error;
+			}
+
+			dpriv->cdesc = NULL;
+			if (_cache_active_config_descriptor(dev, fd)) {
+				err = errno;
+				goto error;
+			}
+
+			if ((err = usbi_sanitize_device(dev)))
+				goto error;
+		}
+		close(fd);
+
+		if (discovered_devs_append(*discdevs, dev) == NULL)
+			return (LIBUSB_ERROR_NO_MEM);
+	}
+
+	return (0);
+
+error:
+	close(fd);
+	libusb_unref_device(dev);
+	return (err);
+}
+
+int
+ugen_open(struct libusb_device_handle *handle)
+{
+	struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
+
+	dpriv->fd = open(dpriv->devnode, O_RDWR);
+	if (dpriv->fd < 0) {
+		dpriv->fd = open(dpriv->devnode, O_RDONLY);
+		if (dpriv->fd < 0)
+			return _errno_to_libusb(errno);
+	}
+
+	usbi_dbg("open %s: fd %d", dpriv->devnode, dpriv->fd);
+
+	dpriv->open = 1;
+
+	return (usbi_add_pollfd(HANDLE_CTX(handle), dpriv->fd, POLLOUT));
+}
+
+void
+ugen_close(struct libusb_device_handle *handle)
+{
+	struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
+
+	usbi_dbg("close: fd %d", dpriv->fd);
+
+	usbi_remove_pollfd(HANDLE_CTX(handle), dpriv->fd);
+
+	close(dpriv->fd);
+
+	dpriv->open = 0;
+}
+
+int
+ugen_get_device_descriptor(struct libusb_device *dev, unsigned char *buf,
+    int *host_endian)
+{
+	struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
+
+	usbi_dbg("");
+
+	memcpy(buf, &dpriv->ddesc, DEVICE_DESC_LENGTH);
+
+	*host_endian = 0;
+
+	return (0);
+}
+
+int
+ugen_get_active_config_descriptor(struct libusb_device *dev,
+    unsigned char *buf, size_t len, int *host_endian)
+{
+	struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
+
+	usbi_dbg("len %d", len);
+
+	memcpy(buf, dpriv->cdesc, len);
+
+	*host_endian = 0;
+
+	return (0);
+}
+
+int
+ugen_get_config_descriptor(struct libusb_device *dev, uint8_t idx,
+    unsigned char *buf, size_t len, int *host_endian)
+{
+	struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
+	struct usb_full_desc ufd;
+	int fd, err;
+
+	usbi_dbg("index %d, len %d", idx, len);
+
+	/* Endpoint cannot be opened twice */
+	if (dpriv->open) {
+		fd = dpriv->fd;
+	} else {
+		fd = open(dpriv->devnode, O_RDONLY);
+		if (fd < 0)
+			return _errno_to_libusb(errno);
+	}
+
+	ufd.ufd_config_index = idx;
+	ufd.ufd_size = len;
+	ufd.ufd_data = buf;
+
+	if ((ioctl(fd, USB_GET_FULL_DESC, &ufd)) < 0) {
+		err = errno;
+		if (!dpriv->open)
+			close(fd);
+		return _errno_to_libusb(err);
+	}
+
+	if (!dpriv->open)
+		close(fd);
+
+	*host_endian = 0;
+
+	return (0);
+}
+
+int
+ugen_get_configuration(struct libusb_device_handle *handle, int *config)
+{
+	struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
+
+	usbi_dbg("");
+
+	if (ioctl(dpriv->fd, USB_GET_CONFIG, config) < 0)
+		return _errno_to_libusb(errno);
+
+	usbi_dbg("configuration %d", *config);
+
+	return (0);
+}
+
+int
+ugen_set_configuration(struct libusb_device_handle *handle, int config)
+{
+	struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
+
+	usbi_dbg("configuration %d", config);
+
+	if (ioctl(dpriv->fd, USB_SET_CONFIG, &config) < 0)
+		return _errno_to_libusb(errno);
+
+	return _cache_active_config_descriptor(handle->dev, dpriv->fd);
+}
+
+int
+ugen_claim_interface(struct libusb_device_handle *handle, int iface)
+{
+	/*
+	 * The USB specification does not speak about interface
+	 * claiming and OpenBSD does not provide such mechanism.
+	 *
+	 * But because people shouldn't be able to attach or
+	 * detach a specific driver for a device it is safe to
+	 * return 0 instead of LIBUSB_ERROR_NOT_SUPPORTED.
+	 */
+	return (0);
+}
+
+int
+ugen_release_interface(struct libusb_device_handle *handle, int iface)
+{
+	return (0);
+}
+
+int
+ugen_set_interface_altsetting(struct libusb_device_handle *handle, int iface,
+    int altsetting)
+{
+	struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
+	struct usb_alt_interface intf;
+
+	usbi_dbg("iface %d, setting %d", iface, altsetting);
+
+	memset(&intf, 0, sizeof(intf));
+
+	intf.uai_interface_index = iface;
+	intf.uai_alt_no = altsetting;
+
+	if (ioctl(dpriv->fd, USB_SET_ALTINTERFACE, &intf) < 0)
+		return _errno_to_libusb(errno);
+
+	return (0);
+}
+
+int
+ugen_clear_halt(struct libusb_device_handle *handle, unsigned char endpoint)
+{
+	struct device_priv *dpriv = (struct device_priv *)handle->dev->os_priv;
+	struct usb_ctl_request req;
+
+	usbi_dbg("");
+
+	req.ucr_request.bmRequestType = UT_WRITE_ENDPOINT;
+	req.ucr_request.bRequest = UR_CLEAR_FEATURE;
+	USETW(req.ucr_request.wValue, UF_ENDPOINT_HALT);
+	USETW(req.ucr_request.wIndex, endpoint);
+	USETW(req.ucr_request.wLength, 0);
+
+	if (ioctl(dpriv->fd, USB_DO_REQUEST, &req) < 0)
+		return _errno_to_libusb(errno);
+
+	return (0);
+}
+
+int
+ugen_reset_device(struct libusb_device_handle *handle)
+{
+	usbi_dbg("");
+
+	return (LIBUSB_ERROR_NOT_SUPPORTED);
+}
+
+void
+ugen_destroy_device(struct libusb_device *dev)
+{
+	struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
+
+	usbi_dbg("");
+
+	free(dpriv->cdesc);
+}
+
+int
+ugen_submit_transfer(struct usbi_transfer *itr)
+{
+	struct libusb_transfer *transfer;
+	int err = 0;
+
+	usbi_dbg("");
+
+	transfer = __USBI_TRANSFER_TO_LIBUSB_TRANSFER(itr);
+
+	switch (transfer->type) {
+	case LIBUSB_TRANSFER_TYPE_CONTROL:
+		err = _sync_control_transfer(itr);
+		break;
+	case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
+		if (transfer->endpoint & LIBUSB_ENDPOINT_OUT) {
+			/* Isochronous write is not supported */
+			err = LIBUSB_ERROR_NOT_SUPPORTED;
+			break;
+		}
+		/* PASSTHROUGH */
+	case LIBUSB_TRANSFER_TYPE_BULK:
+	case LIBUSB_TRANSFER_TYPE_INTERRUPT:
+		err = _sync_gen_transfer(itr);
+		break;
+	}
+
+	if (err)
+		return (err);
+
+	/*
+	 * Because this backend is synchronous we have
+	 * notify now that the transfer is complete.
+	 */
+	return usbi_handle_transfer_completion(itr, LIBUSB_TRANSFER_COMPLETED);
+}
+
+int
+ugen_cancel_transfer(struct usbi_transfer *itransfer)
+{
+	usbi_dbg("");
+
+	return (LIBUSB_ERROR_NOT_SUPPORTED);
+}
+
+void
+ugen_clear_transfer_priv(struct usbi_transfer *itransfer)
+{
+	/* Nothing to do */
+}
+
+int
+ugen_handle_events(struct libusb_context *ctx, struct pollfd *fds, nfds_t nfds,
+    int num_ready)
+{
+	usbi_dbg("");
+
+	/*
+	 * This backend is synchronous so there's no event to handle.
+	 */
+
+	return (0);
+}
+
+int
+ugen_clock_gettime(int clkid, struct timespec *tp)
+{
+	usbi_dbg("clock %d", clkid);
+
+	if (clkid == USBI_CLOCK_REALTIME)
+		return clock_gettime(CLOCK_REALTIME, tp);
+
+	if (clkid == USBI_CLOCK_MONOTONIC)
+		return clock_gettime(CLOCK_MONOTONIC, tp);
+
+	return (LIBUSB_ERROR_INVALID_PARAM);
+}
+
+int
+_errno_to_libusb(int err)
+{
+	switch (err) {
+	case EIO:
+		return (LIBUSB_ERROR_IO);
+	case EACCES:
+		return (LIBUSB_ERROR_ACCESS);
+	case ENOENT:
+		return (LIBUSB_ERROR_NO_DEVICE);
+	case ENOMEM:
+		return (LIBUSB_ERROR_NO_MEM);
+	}
+
+	usbi_dbg("error: %s", strerror(err));
+
+	return (LIBUSB_ERROR_OTHER);
+}
+
+int
+_cache_active_config_descriptor(struct libusb_device *dev, int fd)
+{
+	struct device_priv *dpriv = (struct device_priv *)dev->os_priv;
+	struct usb_config_desc ucd;
+	struct usb_full_desc ufd;
+	unsigned char* buf;
+	int len;
+
+	usbi_dbg("fd %d", fd);
+
+	ucd.ucd_config_index = USB_CURRENT_CONFIG_INDEX;
+
+	if ((ioctl(fd, USB_GET_CONFIG_DESC, &ucd)) < 0)
+		return _errno_to_libusb(errno);
+
+	usbi_dbg("active bLength %d", ucd.ucd_desc.bLength);
+
+	len = UGETW(ucd.ucd_desc.wTotalLength);
+	buf = malloc(len);
+	if (buf == NULL)
+		return (LIBUSB_ERROR_NO_MEM);
+
+	ufd.ufd_config_index = ucd.ucd_config_index;
+	ufd.ufd_size = len;
+	ufd.ufd_data = buf;
+
+	usbi_dbg("index %d, len %d", ufd.ufd_config_index, len);
+
+	if ((ioctl(fd, USB_GET_FULL_DESC, &ufd)) < 0)
+		return _errno_to_libusb(errno);
+
+	if (dpriv->cdesc)
+		free(dpriv->cdesc);
+	dpriv->cdesc = buf;
+
+	return (0);
+}
+
+int
+_sync_control_transfer(struct usbi_transfer *itransfer)
+{
+	struct libusb_transfer *transfer;
+	struct libusb_control_setup *setup;
+	struct device_priv *dpriv;
+	struct usb_ctl_request req;
+
+	transfer = __USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+	dpriv = (struct device_priv *)transfer->dev_handle->dev->os_priv;
+	setup = (struct libusb_control_setup *)transfer->buffer;
+
+	usbi_dbg("type %d request %d value %d index %d length %d timeout %d",
+	    setup->bmRequestType, setup->bRequest,
+	    libusb_le16_to_cpu(setup->wValue),
+	    libusb_le16_to_cpu(setup->wIndex),
+	    libusb_le16_to_cpu(setup->wLength), transfer->timeout);
+
+	usbi_dbg("byte %p", transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE);
+
+	req.ucr_request.bmRequestType = setup->bmRequestType;
+	req.ucr_request.bRequest = setup->bRequest;
+	/* Don't use USETW, libusb already deals with the endianness */
+	(*(uint16_t *)req.ucr_request.wValue) = setup->wValue;
+	(*(uint16_t *)req.ucr_request.wIndex) = setup->wIndex;
+	(*(uint16_t *)req.ucr_request.wLength) = setup->wLength;
+	req.ucr_data = transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE;
+
+	if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
+		req.ucr_flags = USBD_SHORT_XFER_OK;
+
+	if ((ioctl(dpriv->fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
+		return _errno_to_libusb(errno);
+
+	if ((ioctl(dpriv->fd, USB_DO_REQUEST, &req)) < 0)
+		return _errno_to_libusb(errno);
+
+	itransfer->transferred = req.ucr_actlen;
+
+	usbi_dbg("transferred %d", itransfer->transferred);
+
+	return (0);
+}
+
+int
+_sync_gen_transfer(struct usbi_transfer *itransfer)
+{
+	struct libusb_transfer *transfer;
+	struct device_priv *dpriv;
+	int fd, err, endpt, nr = 1;
+	char *s, devnode[16];
+	mode_t mode;
+
+	transfer = __USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+	dpriv = (struct device_priv *)transfer->dev_handle->dev->os_priv;
+
+	endpt = UE_GET_ADDR(transfer->endpoint);
+	mode = (transfer->endpoint & LIBUSB_ENDPOINT_IN) ? O_RDONLY : O_WRONLY;
+
+	usbi_dbg("endpoint %d mode %d", endpt, mode);
+
+	/* Pick the right node given the control one */
+	strlcpy(devnode, dpriv->devnode, sizeof(devnode));
+	s = strchr(devnode, '.');
+	snprintf(s, (s - devnode), ".%02d", endpt);
+
+	/*
+	 * Bulk, Interrupt or Isochronous transfer depends on the
+	 * endpoint and thus the node to open.
+	 */
+	if ((fd = open(devnode, mode)) < 0)
+		return _errno_to_libusb(errno);
+
+	if ((ioctl(fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
+		return _errno_to_libusb(errno);
+
+	if (transfer->endpoint & LIBUSB_ENDPOINT_IN) {
+		if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
+			if ((ioctl(fd, USB_SET_SHORT_XFER, &nr)) < 0)
+				return _errno_to_libusb(errno);
+
+		nr = read(fd, transfer->buffer, transfer->length);
+	} else {
+		nr = write(fd, transfer->buffer, transfer->length);
+	}
+
+	if (nr < 0) {
+		err = errno;
+		close(fd);
+		return _errno_to_libusb(err);
+	}
+
+	close(fd);
+	itransfer->transferred = nr;
+
+	return (0);
+}

devel/libusb1/patches/patch-configure_ac

@@ -0,0 +1,23 @@
+--- configure.ac.orig	Wed May  5 00:01:36 2010
++++ configure.ac	Sat Sep 24 19:48:36 2011
+@@ -30,12 +30,20 @@
+ 	backend="darwin"
+ 	AM_LDFLAGS="-Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation -Wl,-prebind -no-undefined"
+ 	;;
++*-openbsd*)
++	AC_DEFINE(OS_OPENBSD, [], [OpenBSD backend])
++	AC_SUBST(OS_OPENBSD)
++	AC_MSG_RESULT([OpenBSD])
++	backend="openbsd"
++	AM_LDFLAGS=""
++	;;
+ *)
+ 	AC_MSG_ERROR([unsupported operating system])
+ esac
+ 
+ AM_CONDITIONAL([OS_LINUX], [test "x$backend" == "xlinux"])
+ AM_CONDITIONAL([OS_DARWIN], [test "x$backend" == "xdarwin"])
++AM_CONDITIONAL([OS_OPENBSD], [test "x$backend" == "xopenbsd"])
+ 
+ # Library versioning
+ lt_major="0"

devel/libusb1/patches/patch-libusb-1.0.pc_in

@@ -0,0 +1,10 @@
+--- libusb-1.0.pc.in.orig	Sun Sep 25 12:22:30 2011
++++ libusb-1.0.pc.in	Sun Sep 25 12:24:04 2011
+@@ -6,6 +6,6 @@
+ Name: libusb-1.0
+ Description: C API for USB device access from Linux userspace
+ Version: @VERSION@
+-Libs: -L${libdir} -lusb-1.0
++Libs: -L${libdir} -lusb-1.0 -pthread
+ Cflags: -I${includedir}/libusb-1.0
+ 

devel/libusb1/patches/patch-libusb_Makefile_am

@@ -0,0 +1,24 @@
+--- libusb/Makefile.am.orig	Sat Sep 24 16:28:54 2011
++++ libusb/Makefile.am	Sat Sep 24 16:29:57 2011
+@@ -2,8 +2,9 @@
+ 
+ LINUX_USBFS_SRC = os/linux_usbfs.h os/linux_usbfs.c
+ DARWIN_USB_SRC = os/darwin_usb.h os/darwin_usb.c
++OPENBSD_USB_SRC = os/openbsd_ugen.c
+ 
+-EXTRA_DIST = $(LINUX_USBFS_SRC) $(DARWIN_USB_SRC)
++EXTRA_DIST = $(LINUX_USBFS_SRC) $(DARWIN_USB_SRC) $(OPENBSD_USB_SRC)
+ 
+ if OS_LINUX
+ OS_SRC = $(LINUX_USBFS_SRC)
+@@ -12,6 +13,10 @@
+ if OS_DARWIN
+ OS_SRC = $(DARWIN_USB_SRC)
+ AM_CFLAGS_EXT = -no-cpp-precomp
++endif
++
++if OS_OPENBSD
++OS_SRC = $(OPENBSD_USB_SRC)
+ endif
+ 
+ libusb_1_0_la_CFLAGS = $(VISIBILITY_CFLAGS) $(AM_CFLAGS) -pthread

devel/libusb1/patches/patch-libusb_core_c

@@ -0,0 +1,11 @@
+--- libusb/core.c.orig	Fri Sep 23 12:27:20 2011
++++ libusb/core.c	Fri Sep 23 12:27:39 2011
+@@ -36,6 +36,8 @@
+ const struct usbi_os_backend * const usbi_backend = &linux_usbfs_backend;
+ #elif defined(OS_DARWIN)
+ const struct usbi_os_backend * const usbi_backend = &darwin_backend;
++#elif defined(OS_OPENBSD)
++const struct usbi_os_backend * const usbi_backend = &openbsd_backend;
+ #else
+ #error "Unsupported OS"
+ #endif

devel/libusb1/patches/patch-libusb_libusbi_h

@@ -0,0 +1,10 @@
+--- libusb/libusbi.h.orig	Fri Sep 23 12:29:59 2011
++++ libusb/libusbi.h	Fri Sep 23 12:30:01 2011
+@@ -805,6 +805,7 @@
+ 
+ extern const struct usbi_os_backend linux_usbfs_backend;
+ extern const struct usbi_os_backend darwin_backend;
++extern const struct usbi_os_backend openbsd_backend;
+ 
+ #endif
+ 

devel/libusb1/pkg/DESCR

@@ -0,0 +1 @@
+libusb is a library for USB device access from userland.

devel/libusb1/pkg/PFRAG.shared

@@ -0,0 +1,2 @@
+@comment $OpenBSD: PFRAG.shared,v 1.1.1.1 2011/11/02 14:31:56 mpi Exp $
+@lib lib/libusb-1.0.so.${LIBusb-1.0_VERSION}

devel/libusb1/pkg/PLIST

@@ -0,0 +1,8 @@
+@comment $OpenBSD: PLIST,v 1.1.1.1 2011/11/02 14:31:56 mpi Exp $
+%%SHARED%%
+include/libusb-1.0/
+include/libusb-1.0/libusb.h
+lib/libusb-1.0.a
+lib/libusb-1.0.la
+lib/pkgconfig/
+lib/pkgconfig/libusb-1.0.pc