[Buildroot] [PATCH v4] usbip: new package

[Tal Shorer]

add the usbip package from the kernel source, allowing users to share
usb devices over a network connection

Signed-off-by: Tal Shorer <tal.shorer at gmail.com>
---
 package/linux-tools/Config.in |  2 ++
 package/usbip/Config.in       | 14 ++++++++++++++
 package/usbip/usbip.mk        | 26 ++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 package/usbip/Config.in
 create mode 100644 package/usbip/usbip.mk

diff --git a/package/linux-tools/Config.in b/package/linux-tools/Config.in
index db9ed9f..7fceca7 100644
--- a/package/linux-tools/Config.in
+++ b/package/linux-tools/Config.in
@@ -83,4 +83,6 @@ comment "selftests needs BR2_PACKAGE_BUSYBOX_SHOW_OTHERS"
 	depends on BR2_USE_MMU
 	depends on !BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
 
+source package/usbip/Config.in
+
 endmenu
diff --git a/package/usbip/Config.in b/package/usbip/Config.in
new file mode 100644
index 0000000..bb92a05
--- /dev/null
+++ b/package/usbip/Config.in
@@ -0,0 +1,14 @@
+# sourced from package/linux-tools/Config.in rather than from package/Config.in
+
+config BR2_PACKAGE_USBIP
+	bool "usbip"
+	depends on BR2_PACKAGE_HAS_UDEV
+	depends on BR2_TOOLCHAIN_HAS_THREADS # usbutils <- libusb
+	depends on !BR2_STATIC_LIBS
+	select BR2_PACKAGE_USBUTILS
+	help
+	  usbip is a set of tools that allows machines to share their
+	  usb devices over the network, to be driven by a remote client.
+
+comment "usbip needs udev /dev management and toolchain w/ threads"
+	depends on !BR2_PACKAGE_HAS_UDEV || !BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/usbip/usbip.mk b/package/usbip/usbip.mk
new file mode 100644
index 0000000..7c8e244
--- /dev/null
+++ b/package/usbip/usbip.mk
@@ -0,0 +1,26 @@
+################################################################################
+#
+# usbip
+#
+################################################################################
+
+# No USBIP_SITE, no USB_VERSION, we vampirise the code from the
+# linux kernel
+USBIP_PATCH_DEPENDENCIES = linux
+USBIP_DEPENDENCIES = udev
+
+USBIP_CONF_OPTS = --without-tcp-wrappers
+
+USBIP_SRC_DIR = $(wildcard \
+  $(LINUX_DIR)/tools/usb/usbip \
+  $(LINUX_DIR)/drivers/staging/usbip/userspace)
+
+define USBIP_EXTRACT_CMDS
+	if [ -z "$(USBIP_SRC_DIR)" ]; then \
+	    echo "No usbip source in your kernel tree" 2>&1; \
+	    exit 1; \
+	fi
+	rsync -au --chmod=u=rwX,go=rX $(RSYNC_VCS_EXCLUSIONS) $(USBIP_SRC_DIR)/ $(@D)
+endef
+
+$(eval $(autotools-package))
-- 
2.7.4