hidapi-rusb 1.3.3

Rust-y wrapper around hidapi with rusb backend.
Documentation 
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cmake_minimum_required(VERSION 3.6.3 FATAL_ERROR)

list(APPEND HIDAPI_PUBLIC_HEADERS "hidapi_libusb.h")

add_library(hidapi_libusb
    ${HIDAPI_PUBLIC_HEADERS}
    hid.c
)
target_link_libraries(hidapi_libusb PUBLIC hidapi_include)

if(TARGET usb-1.0)
    target_link_libraries(hidapi_libusb PRIVATE usb-1.0)
else()
    include(FindPkgConfig)
    pkg_check_modules(libusb REQUIRED IMPORTED_TARGET libusb-1.0>=1.0.9)
    target_link_libraries(hidapi_libusb PRIVATE PkgConfig::libusb)
endif()

find_package(Threads REQUIRED)
target_link_libraries(hidapi_libusb PRIVATE Threads::Threads)

set_target_properties(hidapi_libusb
    PROPERTIES
        EXPORT_NAME "libusb"
        OUTPUT_NAME "hidapi-libusb"
        VERSION ${PROJECT_VERSION}
        SOVERSION ${PROJECT_VERSION_MAJOR}
        PUBLIC_HEADER "${HIDAPI_PUBLIC_HEADERS}"
)

# compatibility with find_package()
add_library(hidapi::libusb ALIAS hidapi_libusb)
# compatibility with raw library link
add_library(hidapi-libusb ALIAS hidapi_libusb)

if(HIDAPI_INSTALL_TARGETS)
    install(TARGETS hidapi_libusb EXPORT hidapi
        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
        ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
        PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/hidapi"
    )
endif()

hidapi_configure_pc("${PROJECT_ROOT}/pc/hidapi-libusb.pc.in")