cmake/modules/FindPhonon.cmake

   1 # Find libphonon
   2 # Once done this will define
   3 #
   4 #  PHONON_FOUND    - system has Phonon Library
   5 #  PHONON_INCLUDES - the Phonon include directory
   6 #  PHONON_LIBS     - link these to use Phonon
   7 #  PHONON_VERSION  - the version of the Phonon Library
   8
   9 # Copyright (c) 2008, Matthias Kretz <kretz@kde.org>
  10 #
  11 # Redistribution and use is allowed according to the terms of the BSD license.
  12 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.
  13
  14 macro(_phonon_find_version)
  15    file(READ "${PHONON_INCLUDE_DIR}/phonon/phononnamespace.h" _phonon_header LIMIT 5000 OFFSET 1000)
  16    string(REGEX MATCH "define PHONON_VERSION_STR \"(4\\.[0-9]+\\.[0-9a-z]+)\"" _phonon_version_match "${_phonon_header}")
  17    set(PHONON_VERSION "${CMAKE_MATCH_1}")
  18    message(STATUS "Phonon Version: ${PHONON_VERSION}")
  19 endmacro(_phonon_find_version)
  20
  21 if(PHONON_FOUND)
  22    # Already found, nothing more to do except figuring out the version
  23    _phonon_find_version()
  24 else(PHONON_FOUND)
  25    if(PHONON_INCLUDE_DIR AND PHONON_LIBRARY)
  26       set(PHONON_FIND_QUIETLY TRUE)
  27    endif(PHONON_INCLUDE_DIR AND PHONON_LIBRARY)
  28
  29    # As discussed on kde-buildsystem: first look at CMAKE_PREFIX_PATH, then at the suggested PATHS (kde4 install dir)
  30    find_library(PHONON_LIBRARY NAMES phonon PATHS ${KDE4_LIB_INSTALL_DIR} ${QT_LIBRARY_DIR} NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH)
  31    # then at the default system locations (CMAKE_SYSTEM_PREFIX_PATH, i.e. /usr etc.)
  32    find_library(PHONON_LIBRARY NAMES phonon)
  33
  34    find_path(PHONON_INCLUDE_DIR NAMES phonon/phonon_export.h PATHS ${KDE4_INCLUDE_INSTALL_DIR} ${QT_INCLUDE_DIR} ${INCLUDE_INSTALL_DIR} NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH)
  35    find_path(PHONON_INCLUDE_DIR NAMES phonon/phonon_export.h)
  36
  37    if(PHONON_INCLUDE_DIR AND PHONON_LIBRARY)
  38       set(PHONON_LIBS ${phonon_LIB_DEPENDS} ${PHONON_LIBRARY})
  39       set(PHONON_INCLUDES ${PHONON_INCLUDE_DIR}/KDE ${PHONON_INCLUDE_DIR})
  40       set(PHONON_FOUND TRUE)
  41       _phonon_find_version()
  42    else(PHONON_INCLUDE_DIR AND PHONON_LIBRARY)
  43       set(PHONON_FOUND FALSE)
  44    endif(PHONON_INCLUDE_DIR AND PHONON_LIBRARY)
  45
  46    if(PHONON_FOUND)
  47       if(NOT PHONON_FIND_QUIETLY)
  48          message(STATUS "Found Phonon: ${PHONON_LIBRARY}")
  49          message(STATUS "Found Phonon Includes: ${PHONON_INCLUDES}")
  50       endif(NOT PHONON_FIND_QUIETLY)
  51    else(PHONON_FOUND)
  52       if(Phonon_FIND_REQUIRED)
  53          if(NOT PHONON_INCLUDE_DIR)
  54             message(STATUS "Phonon includes NOT found!")
  55          endif(NOT PHONON_INCLUDE_DIR)
  56          if(NOT PHONON_LIBRARY)
  57             message(STATUS "Phonon library NOT found!")
  58          endif(NOT PHONON_LIBRARY)
  59          message(FATAL_ERROR "Phonon library or includes NOT found!")
  60       else(Phonon_FIND_REQUIRED)
  61          message(STATUS "Unable to find Phonon")
  62       endif(Phonon_FIND_REQUIRED)
  63    endif(PHONON_FOUND)
  64
  65
  66    mark_as_advanced(PHONON_INCLUDE_DIR PHONON_LIBRARY PHONON_INCLUDES)
  67 endif(PHONON_FOUND)