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#.rst:
# FindLibUSB
# ----------
# Finds the USB library
#
# This will define the following variables::
#
# LIBUSB_FOUND - system has LibUSB
# LIBUSB_INCLUDE_DIRS - the USB include directory
# LIBUSB_LIBRARIES - the USB libraries
#
# and the following imported targets::
#
# LibUSB::LibUSB - The USB library
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_LIBUSB libusb QUIET)
endif()
find_path(LIBUSB_INCLUDE_DIR usb.h
PATHS ${PC_LIBUSB_INCLUDEDIR})
find_library(LIBUSB_LIBRARY NAMES usb
PATHS ${PC_LIBUSB_INCLUDEDIR})
set(LIBUSB_VERSION ${PC_LIBUSB_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LibUSB
REQUIRED_VARS LIBUSB_LIBRARY LIBUSB_INCLUDE_DIR
VERSION_VAR LIBUSB_VERSION)
if(LIBUSB_FOUND)
set(LIBUSB_INCLUDE_DIRS ${LIBUSB_INCLUDE_DIR})
set(LIBUSB_LIBRARIES ${LIBUSB_LIBRARY})
set(LIBUSB_DEFINITIONS -DUSE_LIBUSB=1)
if(NOT TARGET LibUSB::LibUSB)
add_library(LibUSB::LibUSB UNKNOWN IMPORTED)
set_target_properties(LibUSB::LibUSB PROPERTIES
IMPORTED_LOCATION "${LIBUSB_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${LIBUSB_INCLUDE_DIR}"
INTERFACE_COMPILE_DEFINITIONS USE_LIBUSB=1)
endif()
endif()
mark_as_advanced(USB_INCLUDE_DIR USB_LIBRARY)
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