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# - Try to find LibUSB-1.0
# Once done this will define
#
# LibUSB_FOUND - System has libusb
# LibUSB_INCLUDE_DIRS - The libusb include directories
# LibUSB_LIBRARIES - The libraries needed to use libusb
# LibUSB_DEFINITIONS - Compiler switches required for using libusb
# LibUSB_VERSION - the libusb version
#
find_package(PkgConfig)
pkg_check_modules(PC_LibUSB QUIET libusb-1.0)
set(LibUSB_DEFINITIONS ${PC_LibUSB_CFLAGS_OTHER})
find_path(LibUSB_INCLUDE_DIR NAMES libusb.h
HINTS ${PC_LibUSB_INCLUDE_DIRS}
PATH_SUFFIXES libusb-1.0
PATHS
/usr/include
/usr/local/include )
#standard library name for libusb-1.0
set(libusb1_library_names usb-1.0)
#libusb-1.0 compatible library on freebsd
if((CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") OR (CMAKE_SYSTEM_NAME STREQUAL "kFreeBSD"))
list(APPEND libusb1_library_names usb)
endif()
#libusb-1.0 name on Windows (from PothosSDR distribution)
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
list(APPEND libusb1_library_names libusb-1.0)
endif()
find_library(LibUSB_LIBRARY
NAMES ${libusb1_library_names}
HINTS ${PC_LibUSB_LIBRARY_DIRS}
PATHS
/usr/lib
/usr/local/lib )
set(LibUSB_VERSION ${PC_LibUSB_VERSION})
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LibUSB_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(LibUSB
REQUIRED_VARS LibUSB_LIBRARY LibUSB_INCLUDE_DIR
VERSION_VAR LibUSB_VERSION)
mark_as_advanced(LibUSB_LIBRARY LibUSB_INCLUDE_DIR LibUSB_VERSION)
set(LibUSB_LIBRARIES ${LibUSB_LIBRARY} )
set(LibUSB_INCLUDE_DIRS ${LibUSB_INCLUDE_DIR} )
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