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* Add Emscripten backend for WebAssembly + WebUSB supportIngvar Stepanyan2022-06-261-1/+17
| | | | | Fixes #501 Closes #1057
* configure.ac: Link with -latomic only if no atomic builtinsLonnie Abelbeck2022-06-261-1/+15
| | | | | | | | | | | | Follow-up to 561dbda, a check of GCC atomic builtins needs to be done first. I'm no autoconf guru, but using this: https://github.com/mesa3d/mesa/blob/0df485c285b73c34ba9062f0c27e55c3c702930d/configure.ac#L469 as inspiration, I created a pre-check before calling AC_SEARCH_LIBS(...) Fixes #1135 Closes #1139
* Simplify clock_gettime() conditionalization and fallback on macOSSean McBride2022-06-261-23/+3
| | | | | | | | | | | | | | Removed the logic in configure.ac (for Darwin only) that detected if the clock_gettime() function exists. Instead, just use the preprocessor to introspect the macOS SDK version and deployment target and call clock_gettime() if they are new enough. Also replaced the fallback code for older macOS with mach_absolute_time() and gettimeofday(), which are simplier because they do not need setup and teardown carefully balanced and their usage is in one place instead of spread in multiple places in the file. Closes #1080
* config: allow configure to continue without pkg-config installedNathan Hjelm2022-04-151-6/+8
| | | | | | | | | libusb only uses pkg-config macros in configure to check for umockdev. Since this is only required for testing it makes sense to protect the usage of these macros to only be used when pkg-config is installed. This will be the case for maintainers and testers. Signed-off-by: Nathan Hjelm <hjelmn@google.com>
* tests: Add some umockdev based testsBenjamin Berg2022-03-181-0/+9
| | | | | | | Add some basic umockdev tests. The setup in this case is all in one process, but umockdev in principle could also work between processes. This is just a start, more tests would make sense.
* darwin: Avoid possibly undefined version macro in configure.acTormod Volden2022-03-161-1/+1
| | | | | | References #1056 Signed-off-by: Tormod Volden <debian.tormod@gmail.com>
* windows: Link gcc helpers statically on MinGWTormod Volden2022-03-161-0/+3
| | | | | | Fixes #1049 Signed-off-by: Tormod Volden <debian.tormod@gmail.com>
* configure.ac: link with -latomic if neededFabrice Fontaine2022-03-161-0/+1
| | | | | | | | | | | | | | | | | | libusb unconditionally uses atomic_fetch_add since version 1.0.25 and commit 1a08aa8 and commit eed8a37 but some architectures (e.g. sparc) needs to link with -latomic to be able to use it. So check if -latomic is needed and update libusb-1.0.pc accordingly to avoid the following build failure with openocd: /home/buildroot/autobuild/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/10.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld: /home/buildroot/autobuild/instance-0/output-1/host/sparc-buildroot-linux-uclibc/sysroot/usr/lib/libusb-1.0.so: undefined reference to `__atomic_fetch_add_4' collect2: error: ld returned 1 exit status Full build log: http://autobuild.buildroot.org/results/4a27a769bb3cdf78643c3049b87d792178d6512c Closes #1064 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
* configure: remove usage of deprecated AC_HELP_STRINGNathan Hjelm2021-07-261-1/+1
| | | | | | | This macro was replaced by AS_HELP_STRING. This commit updates the lingering deprecated call with the new macro as used elsewhere in configure.ac. Signed-off-by: Nathan Hjelm <hjelmn@google.com>
* darwin: use the IO registry to detect if a kernel driver is attached to an ↵Nathan Hjelm2021-07-211-0/+1
| | | | | | | | | | | | interface The implementation of libusb_kernel_driver_active was attempting to open the interface to check if a driver is attached. This may have side effects (like configuring the device) that may be unexpected to the user. This commit updates the code to find the interface's IO registry entry (either IOUSBHostInterface or the legacy IOUSBInterface) and check if the entry has a child entry. A child entry indicates that a driver is currently attached. Signed-off-by: Nathan Hjelm <hjelmn@google.com>
* darwin: add authorization for device captureosy2021-05-161-1/+1
| | | | | | | | | | | | | | | | | | | To use USBDeviceReEnumerate with kUSBReEnumerateCaptureDeviceMask your app either needs to be running as root OR have the 'com.apple.vm.device-access' entitlement AND have the user authorization requested via IOServiceAuthorize(). We can use the capture re-enumerate APIs if either 1) the process is running as root or 2) the 'com.apple.vm.device-access' entitlement is used AND IOServiceAuthorize() is called. We assume that if the entitlement is not there then we are running as root--if this is not true, then darwin_detach_kernel_driver will fail anyways. The authorization status is cached in the device's start() so we have to stop() and start() the device by destroying the plugin and recreating it again. Signed-off-by: Nathan Hjelm <hjelmn@google.com>
* configure.ac: Consider Mac OS X target version for clock_gettime()Chris Dickens2021-01-151-4/+24
| | | | | | | | | | | | | | | | The AC_CHECK_FUNCS() macro checks whether a program compiled on the host will link against the function, but it does not help when targeting older systems where that function is not available. Additionally, the way that autoconf compiles the program ignores any attributes or preprocessor guards that installed headers might have applied to that function. Resolve this by verifying that the OS X target version is 10.12 or newer before checking for clock_gettime(). Closes #836 Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* libusb 1.0.24v1.0.24Chris Dickens2020-12-101-2/+2
| | | | Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* build: Prepare config.h for inclusion in examples/testsChris Dickens2020-11-271-0/+1
| | | | | | | | | | | | There are certain games played in the examples and tests source to account for differences in build environments and target platforms. This can be simplified by including config.h and using the definitions there. To that end, move the printf function attribute definition from libusbi.h to config.h and leverage it where it is used in the examples and tests. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* examples: Enable all examples to build on all platformsChris Dickens2020-11-101-5/+0
| | | | | | | | | | | | | | | | Prior to this change, the dpfp and sam3u_benchmark examples were only built on POSIX platforms due to a dependency on sigaction(). Furthermore the dpfp_threaded example only worked with POSIX threads. Lift this limitation by breaking the dependence on sigaction(). Also provide a minimal threading abstraction so that dpfp_threaded can be built on Windows as well. Also merge the sources for dpfp and dpfp_threaded. The only difference between the two is how libusb's event handling functions are called and this can be easily handled within a single source file. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* threads_posix: Use monotonic clock for condition variables where possibleChris Dickens2020-09-131-1/+5
| | | | | | | | | | The pthread_condattr_setclock() function allows one to specify that the condition variable use CLOCK_MONOTONIC as the base for timed waits. This is desirable to avoid premature timeouts if the system time is adjusted while a timed wait is occurring. Add a check for the availability of this function and use it where possible. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* core: Split usbi_clock_gettime() into two separate functionsChris Dickens2020-09-131-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | Most of the library only uses the monotonic clock. In fact, the only use of the realtime clock is to implement the POSIX version of usbi_cond_timedwait(). Now that Windows can no longer use the POSIX thread abstraction, there is no need for Windows to implement a means of reading the realtime clock. This change replaces usbi_clock_gettime() with usbi_get_monotonic_time() and usbi_get_real_time(). When clock_gettime() is available, both functions are implemented as simple inline calls, otherwise the backend must provide a definition for usbi_get_monotonic_time() *AND* usbi_get_real_time() iff the platform is POSIX. Reading the clocks is also never expected to fail. In practice, if it ever did there would be much more than libusb that would not function correctly. The new functions therefore have no return value, thus allowing the callers to assume success and remove a bunch of error handling code. The clock_gettime() wrappers have a simple error check that is only enforced in debug builds. This change also makes it unnecessary to check for and use clock_gettime() on Windows, so remove it and always provide usbi_get_monotonic_time(). Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* build: Merge events and threads into single platform abstractionChris Dickens2020-09-121-40/+19
| | | | | | | | | | | | | | The split between events and threads abstractions is unnecessary. Simplify the library by merging the two into a "platform" abstraction. The only meaningful change is that Cygwin builds will no longer use the POSIX threads abstraction but will instead use the native Windows one. The downside to doing this is that the dpfp_threaded example program will no longer be available on Cygwin builds. This should be fine, and future work will make dpfp_threaded available for all forms of Windows build systems. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* core: Add support for eventfdChris Dickens2020-08-121-0/+38
| | | | | | | | On systems that support it, using an eventfd for simple signalling is much more efficient than using a pipe. Add detection of eventfd to the configure script and wire it up in the POSIX event abstraction. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* core: Introduce platform events abstractionChris Dickens2020-08-121-16/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The way in which system handles or resources are represented differs greatly between Unix-like operating systems and Windows. Ever since Windows support was added to libusb, Windows been emulating principles of Unix-like operating systems such as file descriptors and poll(). This commit introduces an abstraction layer that completely removes the need to perform any emulation. Fundamentally there are three things that each platform provides to libusb: 1) A signallable event 2) A timer (not required, but useful) 3) A means to wait for event sources such as the above to be triggered The POSIX abstraction for Unix-like operating systems uses file descriptors as the "handles" to the underlying system resources. The signallable event is implemented using a pipe, the timer as a timerfd (where supported) and the poll() system call is used to wait for events. The Windows abstraction uses native HANDLEs as the "handles" to the underlying system resources. The signallable event is implemented using a manual-reset event, the timer as a manual-reset waitable timer, and the WaitForMultipleObjects() system call is used to wait for events. Closes #252 Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* configure.ac: Enhance compiler checks for pthreadsChris Dickens2020-04-091-2/+12
| | | | | | | | | | | | | | | There apparently exist some compiler ports (e.g Haiku's GCC) that do not support the ubiquitous '-pthread' compiler option. Add a check for this and only use the option if supported. Also tweak the check for the pthread library to check for the pthread_create() function. Even though libusb does not use this function, it seems to be sufficiently distinct such that the standard C library would not provide this directly if the pthread implementation resided in a separate library. Also explicitly check whether no additional library linkage is required. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* configure.ac: Simplify detection of Windows compilationChris Dickens2020-04-091-0/+7
| | | | | | | | | | | | There are a few parts within the library where code is conditionally compiled based on whether or not the target OS is Windows. Prior to commit 8b09dd490d ("core: Kill the OS_* definitions and use in the source code"), the OS_WINDOWS definition was used. With that definition gone, the checks were replaced with _WIN32. Unfortunately the different cross-platform toolchains do not universally define this, so add this to AM_CPPFLAGS when building for Windows. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* configure.ac: Fix compilation of Haiku's C++ convenience libraryChris Dickens2020-04-091-19/+16
| | | | | | | | | | | | | | | | | Commit 9a1bc8cafb ("build: Require C11 to build and clean up autoconfig/automake files") added the language standard compiler option to the AM_CFLAGS and AM_CXXFLAGS. Placing it in the latter is incorrect as compiling C++ source with the C11 language standard does not make sense. Fix this by determining which C11 dialect (GNU or C) the compiler supports and then constructing the compiler option from that. Also restrict LT_LDFLAGS to the final libusb library (as was done previously) since libtool complains about versioning options for convenience libraries. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* build: Enable additional build errors and warningsChris Dickens2020-03-301-2/+15
| | | | | | | | | | | Help catch more errors by enabling additional build errors and warnings. Address some of the warnings seen with these new flags, including moving the libusb_transfer structure back out of the usbi_transfer structure to address 'warning: invalid use of structure with flexible array member'. Apparently a structure ending with a flexible array member is not okay with the compiler as the last member within another structure. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* build: Require C11 to build and clean up autoconfig/automake filesChris Dickens2020-03-301-151/+121
| | | | | | | | | | | | | | | | | | | | | | | C11 compiler support has been available for many years now. It is not unreasonable to require this now, and doing so allows some cleanup to the configure script. It is no longer necessary to check for compiler support of the '-fvibility' flag because any compiler that supports C11 will support this flag as well. Fix up the way that compiler and linker flags are passed down to the various makefiles. The compiler flags should be shared by all, but the linker flags and libraries should be separated between the library and the examples/tests. The visibility flag is only relevant for the library and the thread flags are only relevant for sources using thread constructs, so provide them as needed. Rearrange configure.ac to group similar functionality and consolidate where possible. Based on these changes, update the Travis configuration file to include newer versions of test platforms to ensure proper C11 compiler support. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* core: Kill the OS_* definitions and use in the source codeChris Dickens2020-03-271-8/+0
| | | | | | | These symbols are no longer necessary for the source code since commit cad7d0edd9 ("core: Kill usbi_os_backend structure definition madness"). Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* threads_posix: Improve usbi_get_tid() for various platformsChris Dickens2020-03-271-0/+1
| | | | | | | | | | | | | Add support for real thread IDs on macOS 10.6 and later using the new pthread_threadid_np() function. Add support for thread IDs on Haiku, NetBSD and Solaris. Provide a fallback value other than -1 when direct support is not available. This should suffice as a unique identifier since pthread_t, while opaque, is still distinct amongst active threads. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* autotools: Fix a number of issuesChris Dickens2020-03-251-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the name of the project to be what it actually is called everywhere: libusb-1.0. This allows the public libusb.h header file to be tracked by automake through pkginclude_HEADERS. Decouple the doc directory from automake. There aren't any targets that automake understands, so the build uselessly recurses into the directory. Update the makefile targets with the correct dependencies so that the docs aren't regenerated unnecessarily. Update the doxygen config file to include the version, exclude irrelevant source files and create the output into 'api-1.0' instead of 'html'. Also fix a deprecation tag for the libusb_get_port_path() function and add Solaris to the list of supported platforms. Fix the 'dist' target. Clean up the README file to remote the GitHub Markdown and remove the .gitattributes file from the msvc directory. Add doc/libusb.png to EXTRA_DIST. Enhance the {dist,doc}-upload targets to look at the SF_USER environment variable to get the SourceForge username. This allows maintainers (like me!) to have a local username that is different from their SourceForge username. Switch the docs-upload recipe to use rsync with --delete to clean up obsolete files. Fix the Windows shared library (DLL) targets. The dependencies for the RC file were incorrect, leading to cases of missed recompilation. The 'all' rule should not be overridden, so define an 'all-local' rule when necessary. Fix the rule for running dlltool on the just generated DLL so that it only fires when the correct dependencies change and do not bother to run the rule when not building a DLL. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* core: Kill usbi_backend.clock_gettime() functionChris Dickens2020-03-151-0/+9
| | | | | | | | | | | | | | | | | | Out of all the backends supported by libusb, only two need to provide an implementation of the clock_gettime() function. Windows completely lacks such a function and versions of Mac OS prior to 10.12 do not provide it. In all other cases the backend simply ends up calling the C library's clock_gettime() function. Let's optimize for the common case and check for the availability of clock_gettime() during configure. If available, we will just call it directly from any part of the library that needs it. If not available, the backend is required to provide an implementation of usbi_clock_gettime() that matches the current requirements. Closes #685 Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* linux: provide an event thread nameAlexander Stein2020-02-071-0/+1
| | | | | | | | | | | | Instead of having just the application name as thread name, provide a more descriptive one, which can e.g. read by htop. If setting the name fails, the thread will still work as intended, just raise a warning in this case. Closes #689 Signed-off-by: Alexander Stein <alexander.stein@mailbox.org> Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* threads_posix: Use thread-local storage to cache thread IDChris Dickens2020-02-071-6/+20
| | | | | | | | | | | | | | | | | | | | | Trying to capture debug logs that reproduce a problem can be tricky. Turning up the debug level will automatically make the program a bit slower. This alone cane make timing-sensitive bugs "disappear" when capturing logs. One of the hot paths for debug messages is fetching the thread ID, which is immeasurably helpful in understanding thread interactions within the library. Unfortunately most implementations require a system call to fetch the executing thread's ID, which isn't exactly going to help in the way of execution time. Add a check for thread-local storage support when configuring the library to build. If the toolchain provides this support, only one system call will be required per thread. This check is only done for non-Windows systems because thread-local storage is inefficiently implemented on MinGW. Closes #682 Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* autobuild: Fix two issuesChris Dickens2020-01-261-2/+2
| | | | | | | | | | | The test for defining the automake conditional for the poll implementation was keying off of the threads variable, producing incorrect results for Cygwin. A simple typo in the Makefile causes a build failure when cross-compiling for Windows. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* configure.ac: Cleanup and refactoringChris Dickens2020-01-241-183/+190
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the formatting consistent across the entire file. In particular: - Always quote strings whose values are derived - Use tabs consistently - Wrap all arguments with square brackets Replace the use of '-a' with '&&' to be more portable. Rearrange some of the feature checks to be conditional upon the platform or backend. For example, there is no need to check for nfds_t on Windows because poll() doesn't exist there. Similarly we now only check for timerfd on Linux and Solaris. This translates into slightly faster configure times. Explicitly define tokens for both the poll and thread implementations. This makes the preprocessor conditionals much nicer since it is not necessary to enumerate all possible OS_* tokens. Also replace POLL_NFDS_TYPE with a proper typedef that is based on the availability of the nfds_t type. Migrate to config definition names that are more consistent with autoconf. The check for timerfd actually verifies the presence of the library function instead of just the header definitions, and the token USBI_TIMERFD_AVAILABLE is now HAVE_TIMERFD. Similarly the check for syslog results in a definition of HAVE_SYSLOG. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* Windows: Drop support for Windows XPChris Dickens2020-01-211-2/+1
| | | | | | | | | XP is nearly 20 years old and there are hoops we jump through to keep supporting it. Time to say goodbye and simplify some things. Closes #267 Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* Add Null POSIX backendPino Toscano2019-12-281-1/+12
| | | | | | | Add a simple null backend for POSIX platforms that reports no available devices, and provides no capabilities. Make use of this new backend on all the OSes without an existing backend, so libusb can be built even on OSes without USB support.
* Unix: fix library version for next releaseLudovic Rousseau2019-08-091-1/+1
| | | | | | | | | | | | | | | | https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html says: 4. If any interfaces have been added, removed, or changed since the last update, increment current, and set revision to 0. 5. If any interfaces have been added since the last public release, then increment age. So both current and age must be incremented. The patch in fde20bb9b7cba0ea6e96db920d0a0169c361ca92 was not complete. Signed-off-by: Ludovic Rousseau <ludovic.rousseau@free.fr>
* configure.ac: bump .so version for next releasetestNathan Hjelm2018-12-051-1/+1
| | | | Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
* configure.ac: fix detection of clock_gettime libraryBaruch Siach2018-10-221-1/+1
| | | | | | | | | | | | | | | glibc before 2.17 requires link with librt for clock_gettime(). The AC_SEARCH_LIBS check in configure.ac should detect this dependency. Unfortunately commit cb77a25e51 (configure.ac: Remove obsolete AC_ERROR and make formatting consistent) inadvertently renamed to clock_gettime2, thus breaking librt detection. Restore the correct clock_gettime() name. Closes #439 Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
* Windows: Ditch UsbDk build configurationSameeh Jubran2018-01-081-9/+0
| | | | | | | Previous patch introduced run-time UsbDk backend activation, therefore separate build configuration is not needed anymore. Signed-off-by: Sameeh Jubran <sameeh@daynix.com>
* Misc: Ensure that both WINVER and _WIN32_WINNT are defined for Windows buildsChris Dickens2018-01-031-0/+1
| | | | Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* linux: Mark internal file descriptors as CLOEXECChris Dickens2017-02-281-1/+2
| | | | | | | | | | | | As a library, libusb should take care to be as friendly as possible with various use cases. One such way is to ensure that internal file descriptors have the CLOEXEC flag set, thus allowing processes to do a fork() + exec() without leaking libusb's file descriptors to the child process. References #268 Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* configure.ac: Remove obsolete AC_ERROR and make formatting consistentChris Dickens2017-02-201-40/+40
| | | | | | | | Remove unnecessary quotes around simple string values. Replace AC_ERROR with AC_MSG_ERROR. Use [] around arguments to macros. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* configure.ac: Clean up styleChris Dickens2017-01-121-24/+24
| | | | | | | | | | For consistency, only use quotes for strings where variables are interpolated. Also make the check for syslog capability dependent upon whether system logging has been enabled. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* core: Remove use of gettimeofday()Chris Dickens2017-01-121-10/+4
| | | | | | | | | | | | | | | | | Prior to this commit, gettimeofday() was being used for timestamps in debug messages. This function has been marked as deprecated in the latest POSIX specification and furthermore is not supported on Windows, thus requiring our own implementation as usbi_gettimeofday(). This commit changes the logging code to obtain timestamps using the clock_gettime() function provided by the backend. The implementation of usbi_gettimeofday() for Windows was actually equivalent to that of the USBI_CLOCK_REALTIME implementation for clock_gettime(), so this eliminates code duplication. In addition, the USBI_CLOCK_REALTIME implementation has been updated for Windows to leverage the timespec_get() function available in VS 2015 and later. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* core: Remove check for and inclusion of signal.hChris Dickens2017-01-121-1/+0
| | | | Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* Solaris backendLei Chen2016-07-241-1/+15
| | | | | | Closes #177 Signed-off-by: Nathan Hjelm <hjelmn@me.com>
* configure: bump autoconf version and remove obsolete AM_MAINTAINER_MODENathan Hjelm2016-03-111-2/+1
| | | | | | | | | | | | This commit bumps the minimum autoconf version to 2.69. This only affects maintainers and will ensure libusb tarballs have up-to-date configure scripts. At the same time we are removing the AM_MAINTAINER_MODE macro as even its creator recommends against using it. Closes #122 Signed-off-by: Nathan Hjelm <hjelmn@me.com>
* windows: Fix compilation for MSYS2Evan Hunter2016-02-231-1/+1
| | | | | | Closes #140 Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* linux_netlink: Remove unnecessary header includes and conditionalsChris Dickens2016-02-231-4/+2
| | | | | | We always require <sys/socket.h> and do not need <linux/filter.h>. Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
* build: Integrate usbdk backendDmitry Fleytman2016-01-261-0/+9
| | | | | Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com> Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
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