teejusb
105 lines
3.2 KiB
CMake
105 lines
3.2 KiB
CMake
# - Find libusb for portable USB support
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# This module will find libusb as published by
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# http://libusb.sf.net and
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# http://libusb-win32.sf.net
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#
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# It will use PkgConfig if present and supported, else search
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# it on its own. If the LibUSB_ROOT_DIR environment variable
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# is defined, it will be used as base path.
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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_INCLUDE_DIRS: the directory that contains the include file
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# LIBUSB_LIBRARIES: the library
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if( WIN32 )
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return()
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endif()
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include ( CheckLibraryExists )
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include ( CheckIncludeFile )
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find_package ( PkgConfig )
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if ( PKG_CONFIG_FOUND )
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pkg_check_modules ( PKGCONFIG_LIBUSB libusb )
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endif ( PKG_CONFIG_FOUND )
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if ( PKGCONFIG_LIBUSB_FOUND )
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set ( LIBUSB_FOUND ${PKGCONFIG_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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find_library ( ${i}_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 ( ${i}_LIBRARY )
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list ( APPEND LIBUSB_LIBRARIES ${${i}_LIBRARY} )
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endif ( ${i}_LIBRARY )
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mark_as_advanced ( ${i}_LIBRARY )
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endforeach ( i )
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else ( PKGCONFIG_LIBUSB_FOUND )
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find_path ( LIBUSB_INCLUDE_DIRS
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NAMES
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usb.h
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PATHS
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$ENV{ProgramFiles}/LibUSB-Win32
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$ENV{LibUSB_ROOT_DIR}
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PATH_SUFFIXES
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include
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)
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mark_as_advanced ( LIBUSB_INCLUDE_DIRS )
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# message ( STATUS "LibUSB include dir: ${LIBUSB_INCLUDE_DIRS}" )
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if ( ${CMAKE_SYSTEM_NAME} STREQUAL "Windows" )
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# LibUSB-Win32 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 ( WIN32 )
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set ( LibUSB_LIBRARY_PATH_SUFFIX lib/msvc )
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else ( WIN32 )
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set ( LibUSB_LIBRARY_PATH_SUFFIX lib/msvc_x64 )
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endif ( WIN32 )
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elseif ( BORLAND )
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set ( LibUSB_LIBRARY_PATH_SUFFIX lib/bcc )
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elseif ( CMAKE_COMPILER_IS_GNUCC )
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set ( LibUSB_LIBRARY_PATH_SUFFIX lib/gcc )
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endif ( MSVC )
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endif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Windows" )
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find_library ( usb_LIBRARY
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NAMES
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libusb usb
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PATHS
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$ENV{ProgramFiles}/LibUSB-Win32
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$ENV{LibUSB_ROOT_DIR}
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PATH_SUFFIXES
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${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 ${usb_LIBRARY} )
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endif ( usb_LIBRARY )
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if ( LIBUSB_INCLUDE_DIRS AND LIBUSB_LIBRARIES )
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set ( LIBUSB_FOUND true )
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endif ( LIBUSB_INCLUDE_DIRS AND LIBUSB_LIBRARIES )
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endif ( PKGCONFIG_LIBUSB_FOUND )
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if ( LIBUSB_FOUND )
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set ( CMAKE_REQUIRED_INCLUDES "${LIBUSB_INCLUDE_DIRS}" )
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check_include_file ( usb.h LIBUSB_FOUND )
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# message ( STATUS "LibUSB: usb.h is usable: ${LIBUSB_FOUND}" )
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endif ( LIBUSB_FOUND )
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if ( LIBUSB_FOUND )
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check_library_exists ( "${LIBUSB_LIBRARIES}" usb_open "" LIBUSB_FOUND )
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# message ( STATUS "LibUSB: library is usable: ${LIBUSB_FOUND}" )
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endif ( LIBUSB_FOUND )
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if ( NOT LIBUSB_FOUND )
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if ( NOT LibUSB_FIND_QUIETLY )
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message ( STATUS "LibUSB not found, try setting LibUSB_ROOT_DIR environment variable." )
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endif ( NOT LibUSB_FIND_QUIETLY )
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if ( LibUSB_FIND_REQUIRED )
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message ( FATAL_ERROR "" )
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endif ( LibUSB_FIND_REQUIRED )
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endif ( NOT LIBUSB_FOUND )
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#message ( STATUS "LibUSB: ${LIBUSB_FOUND}" ) |