74 lines
2.1 KiB
CMake
74 lines
2.1 KiB
CMake
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include(FindPackageHandleStandardArgs)
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set(LibUSB_PKG_CONFIG_SPEC libusb-1.0>=1.0.16)
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set(LibUSB_MIN_API_VERSION 0x01000102)
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find_package(PkgConfig QUIET)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(PC_LibUSB ${LibUSB_PKG_CONFIG_SPEC})
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endif()
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find_library(LibUSB_LIBRARY
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NAMES usb-1.0 libusb-1.0
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HINTS ${PC_LibUSB_LIBRARY_DIRS}
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)
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find_path(LibUSB_INCLUDE_PATH
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NAMES libusb.h
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PATH_SUFFIXES libusb-1.0
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HINTS ${PC_LibUSB_INCLUDE_DIRS}
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)
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set(LibUSB_API_VERSION "LibUSB_API_VERSION-NOTFOUND")
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if(LibUSB_INCLUDE_PATH AND EXISTS "${LibUSB_INCLUDE_PATH}/libusb.h")
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file(READ "${LibUSB_INCLUDE_PATH}/libusb.h" LIBUSB_H_TEXT)
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if("${LIBUSB_H_TEXT}" MATCHES "#define[ \t]+LIBUSBX?_API_VERSION[ \t]+(0x[0-9a-fA-F]+)" )
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set(LibUSB_API_VERSION "${CMAKE_MATCH_1}")
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endif()
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endif()
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if(LibUSB_API_VERSION)
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math(EXPR LibUSB_MIN_API_VERSION_decimal "${LibUSB_MIN_API_VERSION}")
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math(EXPR LibUSB_API_VERSION_decimal "${LibUSB_API_VERSION}")
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if(NOT LibUSB_MIN_API_VERSION_decimal LESS_EQUAL LibUSB_API_VERSION_decimal)
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set(LibUSB_LIBRARY "LibUSB_LIBRARY-NOTFOUND")
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endif()
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else()
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set(LibUSB_LIBRARY "LibUSB_LIBRARY-NOTFOUND")
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endif()
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set(LibUSB_COMPILE_OPTIONS "" CACHE STRING "Extra compile options of LibUSB")
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set(LibUSB_LINK_LIBRARIES "" CACHE STRING "Extra link libraries of LibUSB")
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set(LibUSB_LINK_FLAGS "" CACHE STRING "Extra link flags of LibUSB")
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if(LibUSB_LIBRARY AND LibUSB_INCLUDE_PATH)
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if(PC_LibUSB_FOUND)
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set(LibUSB_VERSION "${PC_LibUSB_VERSION}")
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else()
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set(LibUSB_VERSION "1.0.16-or-higher")
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endif()
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else()
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set(LibUSB_VERSION "LibUSB_VERSION-NOTFOUND")
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endif()
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find_package_handle_standard_args(LibUSB
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VERSION_VAR LibUSB_VERSION
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REQUIRED_VARS LibUSB_LIBRARY LibUSB_INCLUDE_PATH
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)
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if(LibUSB_FOUND AND NOT TARGET LibUSB::LibUSB)
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add_library(LibUSB::LibUSB IMPORTED UNKNOWN)
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set_target_properties(LibUSB::LibUSB
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PROPERTIES
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IMPORTED_LOCATION "${LibUSB_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${LibUSB_INCLUDE_PATH}"
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INTERFACE_COMPILE_OPTIONS "${LibUSB_COMPILE_OPTIONS}"
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INTERFACE_LINK_LIBRARIES "${LibUSB_LINK_LIBRARIES}"
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INTERFACE_LINK_OPTIONS "${LibUSB_LINK_OPTIONS}"
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)
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endif()
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