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# This file is part of Mixxx, Digital DJ'ing software.
# Copyright (C) 2001-2020 Mixxx Development Team
# Distributed under the GNU General Public Licence (GPL) version 2 or any later
# later version. See the LICENSE file for details.
#[=======================================================================[.rst:
FindHIDAPI
----------
Finds the HIDAPI library.
Imported Targets
^^^^^^^^^^^^^^^^
This module provides the following imported targets, if found:
``HIDAPI::libusb``
The hidapi-libusb library
Result Variables
^^^^^^^^^^^^^^^^
This will define the following variables:
``HIDAPI_FOUND``
True if the system has the HIDAPI library.
``HIDAPI_INCLUDE_DIRS``
Include directories needed to use HIDAPI.
``HIDAPI_LIBRARIES``
Libraries needed to link to HIDAPI.
``HIDAPI_DEFINITIONS``
Compile definitions needed to use HIDAPI.
Cache Variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``HIDAPI_INCLUDE_DIR``
The directory containing ``hidapi/hidapi.h``.
``HIDAPI_LIBRARY``
The path to the hidapi-lbusb library.
#]=======================================================================]
find_package(PkgConfig QUIET)
if(PkgConfig_FOUND)
pkg_check_modules(PC_HIDAPI QUIET hidapi-libusb)
endif()
find_path(HIDAPI_INCLUDE_DIR
NAMES hidapi.h
PATHS ${PC_HIDAPI_INCLUDE_DIRS}
PATH_SUFFIXES hidapi
DOC "HIDAPI include directory")
mark_as_advanced(HIDAPI_INCLUDE_DIR)
find_library(HIDAPI_LIBRARY
NAMES hidapi-libusb hidapi
PATHS ${PC_HIDAPI_LIBRARY_DIRS}
DOC "HIDAPI library"
)
mark_as_advanced(HIDAPI_LIBRARY)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
HIDAPI
DEFAULT_MSG
HIDAPI_LIBRARY
HIDAPI_INCLUDE_DIR
)
if(HIDAPI_FOUND)
set(HIDAPI_LIBRARIES "${HIDAPI_LIBRARY}")
set(HIDAPI_INCLUDE_DIRS "${HIDAPI_INCLUDE_DIR}")
set(HIDAPI_DEFINITIONS ${PC_HIDAPI_CFLAGS_OTHER})
if(NOT TARGET HIDAPI::LibUSB)
add_library(HIDAPI::LibUSB UNKNOWN IMPORTED)
set_target_properties(HIDAPI::LibUSB
PROPERTIES
IMPORTED_LOCATION "${HIDAPI_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${PC_HIDAPI_CFLAGS_OTHER}"
INTERFACE_INCLUDE_DIRECTORIES "${HIDAPI_INCLUDE_DIR}"
)
endif()
endif()
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