mirror of
https://github.com/f4exb/sdrangel.git
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306 lines
9.6 KiB
CMake
306 lines
9.6 KiB
CMake
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# From https://github.com/rpavlik/cmake-modules/blob/main/FindHIDAPI.cmake
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#.rst:
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# FindHIDAPI
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# ----------
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#
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# Try to find HIDAPI library, from http://www.signal11.us/oss/hidapi/
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#
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# Cache Variables: (probably not for direct use in your scripts)
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# HIDAPI_INCLUDE_DIR
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# HIDAPI_LIBRARY
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#
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# Non-cache variables you might use in your CMakeLists.txt:
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# HIDAPI_FOUND
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# HIDAPI_INCLUDE_DIRS
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# HIDAPI_LIBRARIES
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#
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# COMPONENTS
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# ^^^^^^^^^^
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#
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# This module respects several COMPONENTS specifying the backend you prefer:
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# ``any`` (the default), ``libusb``, and ``hidraw``.
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# The availablility of the latter two depends on your platform.
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#
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#
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# IMPORTED Targets
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# ^^^^^^^^^^^^^^^^
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#
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# This module defines :prop_tgt:`IMPORTED` target ``HIDAPI::hidapi`` (in all cases or
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# if no components specified), ``HIDAPI::hidapi-libusb`` (if you requested the libusb component),
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# and ``HIDAPI::hidapi-hidraw`` (if you requested the hidraw component),
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#
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# Result Variables
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# ^^^^^^^^^^^^^^^^
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#
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# ``HIDAPI_FOUND``
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# True if HIDAPI or the requested components (if any) were found.
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#
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# We recommend using the imported targets instead of the following.
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#
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# ``HIDAPI_INCLUDE_DIRS``
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# ``HIDAPI_LIBRARIES``
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#
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# Original Author:
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# 2009-2010, 2019 Ryan Pavlik <ryan.pavlik@collabora.com> <abiryan@ryand.net>
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# http://academic.cleardefinition.com
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#
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# Copyright 2009-2010, Iowa State University
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# Copyright 2019, Collabora, Ltd.
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# SPDX-License-Identifier: BSL-1.0
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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set(HIDAPI_ROOT_DIR
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"${HIDAPI_ROOT_DIR}"
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CACHE PATH "Root to search for HIDAPI")
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option(hidapi_USE_STATIC_LIBS "hidapi: link static libs" OFF)
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# Clean up components
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if(HIDAPI_FIND_COMPONENTS)
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if(WIN32 OR APPLE)
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# This makes no sense on Windows or Mac, which have native APIs
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list(REMOVE HIDAPI_FIND_COMPONENTS libusb)
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endif()
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if(NOT ${CMAKE_SYSTEM} MATCHES "Linux")
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# hidraw is only on linux
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list(REMOVE HIDAPI_FIND_COMPONENTS hidraw)
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endif()
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endif()
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if(NOT HIDAPI_FIND_COMPONENTS)
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# Default to any
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set(HIDAPI_FIND_COMPONENTS any)
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endif()
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# Ask pkg-config for hints
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find_package(PkgConfig QUIET)
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if(PKG_CONFIG_FOUND)
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set(_old_prefix_path "${CMAKE_PREFIX_PATH}")
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# So pkg-config uses HIDAPI_ROOT_DIR too.
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if(HIDAPI_ROOT_DIR)
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list(APPEND CMAKE_PREFIX_PATH ${HIDAPI_ROOT_DIR})
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endif()
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pkg_check_modules(PC_HIDAPI_LIBUSB QUIET hidapi-libusb)
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pkg_check_modules(PC_HIDAPI_HIDRAW QUIET hidapi-hidraw)
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# Restore
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set(CMAKE_PREFIX_PATH "${_old_prefix_path}")
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endif()
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set(HIDAPI_NAME hidapi)
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set(HIDAPI_USB_NAME hidapi-libusb)
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set(HIDAPI_RAW_NAME hidapi-hidraw)
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if ((UNIX OR APPLE) AND hidapi_USE_STATIC_LIBS)
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set(HIDAPI_NAME libhidapi.a)
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set(HIDAPI_USB_NAME libhidapi-libusb.a)
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set(HIDAPI_RAW_NAME libhidapi-hidraw.a)
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endif()
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# Actually search
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find_library(
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HIDAPI_UNDECORATED_LIBRARY
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NAMES ${HIDAPI_NAME}
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PATHS "${HIDAPI_ROOT_DIR}"
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PATH_SUFFIXES lib)
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find_library(
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HIDAPI_LIBUSB_LIBRARY
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NAMES ${HIDAPI_NAME} ${HIDAPI_USB_NAME}
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PATHS "${HIDAPI_ROOT_DIR}"
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PATH_SUFFIXES lib
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HINTS ${PC_HIDAPI_LIBUSB_LIBRARY_DIRS})
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if(CMAKE_SYSTEM MATCHES "Linux")
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find_library(
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HIDAPI_HIDRAW_LIBRARY
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NAMES ${HIDAPI_RAW_NAME}
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HINTS ${PC_HIDAPI_HIDRAW_LIBRARY_DIRS})
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endif()
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find_path(
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HIDAPI_INCLUDE_DIR
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NAMES hidapi.h
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PATHS "${HIDAPI_ROOT_DIR}"
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PATH_SUFFIXES hidapi include include/hidapi
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HINTS ${PC_HIDAPI_HIDRAW_INCLUDE_DIRS} ${PC_HIDAPI_LIBUSB_INCLUDE_DIRS})
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find_package(Threads QUIET)
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###
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# Compute the "I don't care which backend" library
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###
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set(HIDAPI_LIBRARY)
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# First, try to use a preferred backend if supplied
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if("${HIDAPI_FIND_COMPONENTS}" MATCHES "libusb"
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AND HIDAPI_LIBUSB_LIBRARY
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AND NOT HIDAPI_LIBRARY)
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set(HIDAPI_LIBRARY ${HIDAPI_LIBUSB_LIBRARY})
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endif()
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if("${HIDAPI_FIND_COMPONENTS}" MATCHES "hidraw"
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AND HIDAPI_HIDRAW_LIBRARY
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AND NOT HIDAPI_LIBRARY)
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set(HIDAPI_LIBRARY ${HIDAPI_HIDRAW_LIBRARY})
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endif()
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# Then, if we don't have a preferred one, settle for anything.
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if(NOT HIDAPI_LIBRARY)
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if(HIDAPI_LIBUSB_LIBRARY)
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set(HIDAPI_LIBRARY ${HIDAPI_LIBUSB_LIBRARY})
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elseif(HIDAPI_HIDRAW_LIBRARY)
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set(HIDAPI_LIBRARY ${HIDAPI_HIDRAW_LIBRARY})
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elseif(HIDAPI_UNDECORATED_LIBRARY)
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set(HIDAPI_LIBRARY ${HIDAPI_UNDECORATED_LIBRARY})
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endif()
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endif()
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###
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# Determine if the various requested components are found.
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###
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set(_hidapi_component_required_vars)
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foreach(_comp IN LISTS HIDAPI_FIND_COMPONENTS)
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if("${_comp}" STREQUAL "any")
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list(APPEND _hidapi_component_required_vars HIDAPI_INCLUDE_DIR
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HIDAPI_LIBRARY)
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if(HIDAPI_INCLUDE_DIR AND EXISTS "${HIDAPI_LIBRARY}")
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set(HIDAPI_any_FOUND TRUE)
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mark_as_advanced(HIDAPI_INCLUDE_DIR)
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else()
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set(HIDAPI_any_FOUND FALSE)
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endif()
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elseif("${_comp}" STREQUAL "libusb")
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list(APPEND _hidapi_component_required_vars HIDAPI_INCLUDE_DIR
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HIDAPI_LIBUSB_LIBRARY)
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if(HIDAPI_INCLUDE_DIR AND EXISTS "${HIDAPI_LIBUSB_LIBRARY}")
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set(HIDAPI_libusb_FOUND TRUE)
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mark_as_advanced(HIDAPI_INCLUDE_DIR HIDAPI_LIBUSB_LIBRARY)
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else()
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set(HIDAPI_libusb_FOUND FALSE)
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endif()
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elseif("${_comp}" STREQUAL "hidraw")
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list(APPEND _hidapi_component_required_vars HIDAPI_INCLUDE_DIR
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HIDAPI_HIDRAW_LIBRARY)
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if(HIDAPI_INCLUDE_DIR AND EXISTS "${HIDAPI_HIDRAW_LIBRARY}")
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set(HIDAPI_hidraw_FOUND TRUE)
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mark_as_advanced(HIDAPI_INCLUDE_DIR HIDAPI_HIDRAW_LIBRARY)
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else()
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set(HIDAPI_hidraw_FOUND FALSE)
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endif()
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else()
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message(WARNING "${_comp} is not a recognized HIDAPI component")
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set(HIDAPI_${_comp}_FOUND FALSE)
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endif()
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endforeach()
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unset(_comp)
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# If we have static linking and are under Linux, we need to link libusb for
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# the USB backend, and udev for both backends.
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if (hidapi_USE_STATIC_LIBS AND (UNIX AND NOT APPLE))
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(PC_LIBUDEV libudev)
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endif()
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find_library(UDEV_LIBRARY
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NAMES
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libudev.a
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udev
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PATHS
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${PC_LIBUDEV_LIBRARY_DIRS}
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${PC_LIBUDEV_LIBDIR}
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HINTS
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"${UDEV_ROOT_DIR}"
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)
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add_library(hidapi_udev STATIC IMPORTED)
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set_target_properties(
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hidapi_udev
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PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION "${UDEV_LIBRARY}")
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list(APPEND _hidapi_component_required_vars UDEV_LIBRARY)
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set(HIDAPI_EXTRA_LINK_LIBS hidapi_udev)
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if(HIDAPI_LIBRARY STREQUAL ${HIDAPI_LIBUSB_LIBRARY})
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(PC_LIBUSB1 libusb-1.0)
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endif()
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find_library(LIBUSB1_LIBRARY
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NAMES
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libusb-1.0.a
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PATHS
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${PC_LIBUSB1_LIBRARY_DIRS}
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${PC_LIBUSB1_LIBDIR}
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HINTS
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"${LIBUSB1_ROOT_DIR}")
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add_library(hidapi_libusb STATIC IMPORTED)
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set_target_properties(
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hidapi_libusb
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PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LINK_INTERFACE_LIBRARIES hidapi_udev
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IMPORTED_LOCATION "${LIBUSB1_LIBRARY}")
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list(APPEND _hidapi_usb_required_vars LIBUSB1_LIBRARY)
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list(APPEND HIDAPI_USB_LINK_LIBS hidapi_libusb)
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list(APPEND HIDAPI_EXTRA_LINK_LIBS ${HIDAPI_USB_LINK_LIBS})
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endif()
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endif()
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# If we have static linking and are under Windows, we need to link with
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# setupapi.
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if (hidapi_USE_STATIC_LIBS AND WIN32)
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list(APPEND HIDAPI_EXTRA_LINK_LIBS Setupapi)
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endif()
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# If we have static linking and are under OSX, we need to link IOKit,
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# CoreFoundation and AppKit.
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if (hidapi_USE_STATIC_LIBS AND APPLE)
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find_library(IOKIT_LIBRARY IOKit)
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find_library(COREFOUNDATION_LIBRARY CoreFoundation)
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find_library(APPKIT_LIBRARY AppKit)
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list(APPEND _hidapi_component_required_vars IOKIT_LIBRARY COREFOUNDATION_LIBRARY APPKIT_LIBRARY)
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list(APPEND HIDAPI_EXTRA_LINK_LIBS ${IOKIT_LIBRARY} ${COREFOUNDATION_LIBRARY} ${APPKIT_LIBRARY})
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endif()
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###
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# FPHSA call
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###
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(
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HIDAPI
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REQUIRED_VARS ${_hidapi_component_required_vars} THREADS_FOUND
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HANDLE_COMPONENTS)
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if(HIDAPI_FOUND)
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set(HIDAPI_LIBRARIES "${HIDAPI_LIBRARY}")
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set(HIDAPI_INCLUDE_DIRS "${HIDAPI_INCLUDE_DIR}")
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if(NOT TARGET HIDAPI::hidapi)
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add_library(HIDAPI::hidapi UNKNOWN IMPORTED)
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set_target_properties(
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HIDAPI::hidapi
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PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION "${HIDAPI_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${HIDAPI_INCLUDE_DIR}"
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IMPORTED_LINK_INTERFACE_LIBRARIES "Threads::Threads;${HIDAPI_EXTRA_LINK_LIBS}")
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endif()
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endif()
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if(HIDAPI_libusb_FOUND AND NOT TARGET HIDAPI::hidapi-libusb)
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add_library(HIDAPI::hidapi-libusb UNKNOWN IMPORTED)
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set_target_properties(
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HIDAPI::hidapi-libusb
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PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION "${HIDAPI_LIBUSB_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${HIDAPI_INCLUDE_DIR}"
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IMPORTED_LINK_INTERFACE_LIBRARIES "Threads::Threads;${HIDAPI_EXTRA_LINK_LIBS};${HIDAPI_USB_LINK_LIBS}")
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endif()
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if(HIDAPI_hidraw_FOUND AND NOT TARGET HIDAPI::hidapi-hidraw)
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add_library(HIDAPI::hidapi-hidraw UNKNOWN IMPORTED)
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set_target_properties(
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HIDAPI::hidapi-hidraw
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PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION "${HIDAPI_HIDRAW_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${HIDAPI_INCLUDE_DIR}"
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IMPORTED_LINK_INTERFACE_LIBRARIES "Threads::Threads;${HIDAPI_EXTRA_LINK_LIBS}")
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endif()
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