# - Try to find the libusb library
# Once done this defines
#
#  LIBUSB_FOUND - system has libusb
#  LIBUSB_INCLUDE_DIR - the libusb include directory
#  LIBUSB_LIBRARIES - Link these to use libusb
# Copyright (c) 2006, 2008  Laurent Montel, <montel@kde.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
if (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
    # in cache already
    set(LIBUSB_FOUND TRUE)
else (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
    IF (NOT WIN32)
        # use pkg-config to get the directories and then use these values
        # in the FIND_PATH() and FIND_LIBRARY() calls
        find_package(PkgConfig)
        pkg_check_modules(PC_LIBUSB libusb-1.0)
    ENDIF(NOT WIN32)
    FIND_PATH(LIBUSB_INCLUDE_DIR libusb.h
            PATHS ${PC_LIBUSB_INCLUDEDIR} ${PC_LIBUSB_INCLUDE_DIRS})
    FIND_LIBRARY(LIBUSB_LIBRARIES NAMES usb-1.0
            PATHS ${PC_LIBUSB_LIBDIR} ${PC_LIBUSB_LIBRARY_DIRS})
    include(FindPackageHandleStandardArgs)
    FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBUSB DEFAULT_MSG LIBUSB_LIBRARIES LIBUSB_INCLUDE_DIR)
    MARK_AS_ADVANCED(LIBUSB_INCLUDE_DIR LIBUSB_LIBRARIES)
endif (LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)