cmake/modules/FindLibXml2.cmake

   1 # - Try to find libxml2
   2 # Find libxml2 headers, libraries and the answer to all questions.
   3 #
   4 #  LIBXML2_FOUND               True if libxml2 got found
   5 #  LIBXML2_INCLUDE_DIRS         Location of libxml2 headers
   6 #  LIBXML2_LIBRARIES           List of libaries to use libxml2
   7 #  LIBXML2_DEFINITIONS         Definitions to compile libxml2
   8 #
   9 # Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
  10 # Copyright (c) 2007 Alban Browaeys <prahal@yahoo.com>
  11 #
  12 #  Redistribution and use is allowed according to the terms of the New
  13 #  BSD license.
  14 #  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
  15 #
  16
  17 INCLUDE( FindPkgConfig )
  18 # Take care about libxml2.pc settings
  19 IF ( LibXml2_FIND_REQUIRED )
  20   SET( _pkgconfig_REQUIRED "REQUIRED" )
  21 ELSE ( LibXml2_FIND_REQUIRED )
  22   SET( _pkgconfig_REQUIRED "" )
  23 ENDIF ( LibXml2_FIND_REQUIRED )
  24
  25 IF ( LIBXML2_MIN_VERSION )
  26         PKG_SEARCH_MODULE( LIBXML2 ${_pkgconfig_REQUIRED} libxml-2.0>=${LIBXML2_MIN_VERSION} )
  27 ELSE ( LIBXML2_MIN_VERSION )
  28         pkg_search_module( LIBXML2 ${_pkgconfig_REQUIRED} libxml-2.0 )
  29 ENDIF ( LIBXML2_MIN_VERSION )
  30
  31
  32 # Look for libxml-2.0 include dir and libraries w/o pkgconfig
  33 IF ( NOT LIBXML2_FOUND AND NOT PKG_CONFIG_FOUND )
  34         FIND_PATH( _libxml2_include_DIR libxml/xpath.h PATH_SUFFIXES libxml2
  35                 PATHS
  36                 /opt/local/include/
  37                 /sw/include/
  38                 /usr/local/include/
  39                 /usr/include/
  40         )
  41         FIND_LIBRARY( _libxml2_link_DIR NAME xml2 libxml2
  42                 PATHS
  43                 /opt/local/lib
  44                 /sw/lib
  45                 /usr/lib
  46                 /usr/local/lib
  47                 /usr/lib64
  48                 /usr/local/lib64
  49                 /opt/lib64
  50         )
  51         IF ( _libxml2_include_DIR AND _libxml2_link_DIR )
  52                 SET ( _libxml2_FOUND TRUE )
  53         ENDIF ( _libxml2_include_DIR AND _libxml2_link_DIR )
  54
  55
  56         IF ( _libxml2_FOUND )
  57                 SET ( LIBXML2_INCLUDE_DIRS ${_libxml2_include_DIR} )
  58                 SET ( LIBXML2_LIBRARIES ${_libxml2_link_DIR} )
  59         ENDIF ( _libxml2_FOUND )
  60
  61         # Report results
  62         IF ( LIBXML2_LIBRARIES AND LIBXML2_INCLUDE_DIRS AND _libxml2_FOUND )
  63                 SET( LIBXML2_FOUND 1 )
  64                 IF ( NOT LibXml2_FIND_QUIETLY )
  65                         MESSAGE( STATUS "Found libxml2: ${LIBXML2_LIBRARIES} ${LIBXML2_INCLUDE_DIRS}" )
  66                 ENDIF ( NOT LibXml2_FIND_QUIETLY )
  67         ELSE ( LIBXML2_LIBRARIES AND LIBXML2_INCLUDE_DIRS AND _libxml2_FOUND )
  68                 IF ( LibXml2_FIND_REQUIRED )
  69                         MESSAGE( SEND_ERROR "Could NOT find libxml2" )
  70                 ELSE ( LibXml2_FIND_REQUIRED )
  71                         IF ( NOT LibXml2_FIND_QUIETLY )
  72                                 MESSAGE( STATUS "Could NOT find libxml2" )
  73                         ENDIF ( NOT LibXml2_FIND_QUIETLY )
  74                 ENDIF ( LibXml2_FIND_REQUIRED )
  75         ENDIF ( LIBXML2_LIBRARIES AND LIBXML2_INCLUDE_DIRS AND _libxml2_FOUND )
  76
  77 ENDIF ( NOT LIBXML2_FOUND AND NOT PKG_CONFIG_FOUND )
  78
  79 # Hide advanced variables from CMake GUIs
  80 MARK_AS_ADVANCED( LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIRS )
  81