131 lines
4.7 KiB
CMake
131 lines
4.7 KiB
CMake
# Based on module from bladeRF: https://github.com/Nuand/bladeRF/blob/e09200c38e1b273ebe43cd789839e66b0506aead/host/cmake/modules/FindLibUSB.cmake
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# This is a modified version of the file written by Hedrik Sattler,
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# from the OpenOBEX project (licensed GPLv2/LGPL). (If this is not correct,
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# please contact us so we can attribute the author appropriately.)
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#
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# https://github.com/zuckschwerdt/openobex/blob/master/CMakeModules/FindLibUSB.cmake
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# http://dev.zuckschwerdt.org/openobex/
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#
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# Find libusb-1.0
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#
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# It will use PkgConfig if present and supported, otherwise this
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# script searches for binary distribution in the path defined by
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# the LIBUSB_PATH variable.
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#
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# The following standard variables get defined:
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# LIBUSB_FOUND: true if LibUSB was found
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# LIBUSB_HEADER_FILE: the location of the C header file
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# LIBUSB_INCLUDE_DIRS: the directorys that contain headers
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# LIBUSB_LIBRARIES: the library files
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# LIBUSB_VERSION the detected libusb version
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# LIBUSB_HAVE_GET_VERSION True if libusb has libusb_get_version()
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include(CheckLibraryExists)
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include(CheckIncludeFile)
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# In Linux, folks should generally be able to simply fetch the libusb library and
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# development packages from their distros package repository. Windows users will
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# likely want to fetch a binary distribution, hence the Windows-oriented default.
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#
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# See http://www.libusb.org/wiki/windows_backend#LatestBinarySnapshots
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if(WIN32)
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set(LIBUSB_PATH
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"C:/Program Files (x86)/libusb-1.0.20"
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CACHE
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PATH
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"Path to libusb files. (This is generally only needed for Windows users who downloaded binary distributions.)"
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)
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endif()
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# FreeBSD has built-in libusb since 800069
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if((${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD") OR (${CMAKE_SYSTEM_NAME} MATCHES "kFreeBSD") )
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exec_program(sysctl ARGS -n kern.osreldate OUTPUT_VARIABLE FREEBSD_VERSION)
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set(LIBUSB_FOUND TRUE)
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set(LIBUSB_SKIP_VERSION_CHECK TRUE)
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set(LIBUSB_INCLUDE_DIRS "/usr/include")
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set(LIBUSB_HEADER_FILE "${LIBUSB_INCLUDE_DIRS}/libusb.h")
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set(LIBUSB_LIBRARIES "usb")
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set(LIBUSB_LIBRARY_DIRS "/usr/lib/")
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endif((${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD") OR (${CMAKE_SYSTEM_NAME} MATCHES "kFreeBSD") )
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find_package(PkgConfig)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(PKGCONFIG_LIBUSB QUIET libusb-1.0 libusb)
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endif(PKG_CONFIG_FOUND)
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if(PKGCONFIG_LIBUSB_FOUND AND NOT LIBUSB_FOUND)
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set(LIBUSB_INCLUDE_DIRS ${PKGCONFIG_LIBUSB_INCLUDE_DIRS})
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foreach(i ${PKGCONFIG_LIBUSB_LIBRARIES})
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string(REGEX MATCH "[^-]*" ibase "${i}")
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find_library(${ibase}_LIBRARY
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NAMES ${i}
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PATHS ${PKGCONFIG_LIBUSB_LIBRARY_DIRS}
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)
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if(${ibase}_LIBRARY)
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list(APPEND LIBUSB_LIBRARIES ${${ibase}_LIBRARY})
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endif(${ibase}_LIBRARY)
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mark_as_advanced(${ibase}_LIBRARY)
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endforeach(i)
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else(PKGCONFIG_LIBUSB_FOUND)
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if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
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# The libusbx binary distribution contains several libs.
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# Use the lib that got compiled with the same compiler.
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if(MSVC)
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if(CMAKE_CL_64)
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set(LIBUSB_LIBRARY_PATH_SUFFIX MS64/dll)
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else(CMAKE_CL_64)
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set(LIBUSB_LIBRARY_PATH_SUFFIX MS32/dll)
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endif(CMAKE_CL_64)
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elseif(CMAKE_COMPILER_IS_GNUCC)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(LIBUSB_LIBRARY_PATH_SUFFIX MinGW32/dll)
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else(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(LIBUSB_LIBRARY_PATH_SUFFIX MinGW64/dll)
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endif(CMAKE_SIZEOF_VOID_P EQUAL 8)
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endif(MSVC)
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else()
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set(LIBUSB_LIBRARY_PATH_SUFFIX lib)
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set(LIBUSB_EXTRA_PATHS /usr /usr/local /opt/local)
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endif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
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find_file(LIBUSB_HEADER_FILE
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NAMES
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libusb.h
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PATHS
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${LIBUSB_PATH}
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${LIBUSB_EXTRA_PATHS}
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PATH_SUFFIXES
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include include/libusbx-1.0 include/libusb-1.0
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)
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mark_as_advanced(LIBUSB_HEADER_FILE)
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get_filename_component(LIBUSB_INCLUDE_DIRS "${LIBUSB_HEADER_FILE}" PATH)
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find_library(usb_LIBRARY
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NAMES
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libusb-1.0 usb-1.0
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PATHS
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${LIBUSB_PATH}
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${LIBUSB_EXTRA_PATHS}
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PATH_SUFFIXES
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${LIBUSB_LIBRARY_PATH_SUFFIX}
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)
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mark_as_advanced(usb_LIBRARY)
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if(usb_LIBRARY)
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set(LIBUSB_LIBRARIES ${usb_LIBRARY})
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endif(usb_LIBRARY)
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endif(PKGCONFIG_LIBUSB_FOUND AND NOT LIBUSB_FOUND)
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if(LIBUSB_INCLUDE_DIRS AND LIBUSB_LIBRARIES)
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set(LIBUSB_FOUND TRUE)
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endif(LIBUSB_INCLUDE_DIRS AND LIBUSB_LIBRARIES)
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if(LIBUSB_FOUND)
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set(CMAKE_REQUIRED_INCLUDES "${LIBUSB_INCLUDE_DIRS}")
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check_include_file("{LIBUSB_HEADER_FILE}" LIBUSB_FOUND)
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endif(LIBUSB_FOUND)
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