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