CMakeModules/FindGLIB2.cmake

   1 # - Try to find GLib2
   2 # Once done this will define
   3 #
   4 #  GLIB2_FOUND - system has GLib2
   5 #  GLIB2_INCLUDE_DIRS - the GLib2 include directory
   6 #  GLIB2_LIBRARIES - Link these to use GLib2
   7 #
   8 #  HAVE_GLIB_GREGEX_H  glib has gregex.h header and
   9 #                      supports g_regex_match_simple
  10 #
  11 #  Copyright (c) 2006 Andreas Schneider <mail@cynapses.org>
  12 #  Copyright (c) 2006 Philippe Bernery <philippe.bernery@gmail.com>
  13 #  Copyright (c) 2007 Daniel Gollub <dgollub@suse.de>
  14 #  Copyright (c) 2007 Alban Browaeys <prahal@yahoo.com>
  15 #  Copyright (c) 2008 Michael Bell <michael.bell@web.de>
  16 #  Copyright (c) 2008 Bjoern Ricks <bjoern.ricks@googlemail.com>
  17 #
  18 #  Redistribution and use is allowed according to the terms of the New
  19 #  BSD license.
  20 #  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
  21 #
  22
  23
  24 IF (GLIB2_LIBRARIES AND GLIB2_INCLUDE_DIRS )
  25   # in cache already
  26   SET(GLIB2_FOUND TRUE)
  27 ELSE (GLIB2_LIBRARIES AND GLIB2_INCLUDE_DIRS )
  28
  29   INCLUDE(FindPkgConfig)
  30
  31   ## Glib
  32   IF ( GLIB2_FIND_REQUIRED )
  33     SET( _pkgconfig_REQUIRED "REQUIRED" )
  34   ELSE ( GLIB2_FIND_REQUIRED )
  35     SET( _pkgconfig_REQUIRED "" )
  36   ENDIF ( GLIB2_FIND_REQUIRED )
  37
  38   IF ( GLIB2_MIN_VERSION )
  39     PKG_SEARCH_MODULE( GLIB2 ${_pkgconfig_REQUIRED} glib-2.0>=${GLIB2_MIN_VERSION} )
  40   ELSE ( GLIB2_MIN_VERSION )
  41     PKG_SEARCH_MODULE( GLIB2 ${_pkgconfig_REQUIRED} glib-2.0 )
  42   ENDIF ( GLIB2_MIN_VERSION )
  43   IF ( PKG_CONFIG_FOUND )
  44     IF ( GLIB2_FOUND )
  45       SET ( GLIB2_CORE_FOUND TRUE )
  46     ELSE ( GLIB2_FOUND )
  47       SET ( GLIB2_CORE_FOUND FALSE )
  48     ENDIF ( GLIB2_FOUND )
  49   ENDIF ( PKG_CONFIG_FOUND )
  50
  51   # Look for glib2 include dir and libraries w/o pkgconfig
  52   IF ( NOT GLIB2_FOUND AND NOT PKG_CONFIG_FOUND )
  53     FIND_PATH(
  54       _glibconfig_include_DIR
  55     NAMES
  56       glibconfig.h
  57     PATHS
  58       /opt/gnome/lib64
  59       /opt/gnome/lib
  60       /opt/lib/
  61       /opt/local/lib
  62       /sw/lib/
  63       /usr/lib64
  64       /usr/lib
  65       /usr/local/include
  66       ${CMAKE_LIBRARY_PATH}
  67     PATH_SUFFIXES
  68       glib-2.0/include
  69     )
  70
  71     FIND_PATH(
  72       _glib2_include_DIR
  73     NAMES
  74       glib.h
  75     PATHS
  76       /opt/gnome/include
  77       /opt/local/include
  78       /sw/include
  79       /usr/include
  80       /usr/local/include
  81     PATH_SUFFIXES
  82       glib-2.0
  83     )
  84
  85     #MESSAGE(STATUS "Glib headers: ${_glib2_include_DIR}")
  86
  87     FIND_LIBRARY(
  88       _glib2_link_DIR
  89     NAMES
  90       glib-2.0
  91       glib
  92     PATHS
  93       /opt/gnome/lib
  94       /opt/local/lib
  95       /sw/lib
  96       /usr/lib
  97       /usr/local/lib
  98     )
  99     IF ( _glib2_include_DIR AND _glib2_link_DIR )
 100         SET ( _glib2_FOUND TRUE )
 101     ENDIF ( _glib2_include_DIR AND _glib2_link_DIR )
 102
 103
 104     IF ( _glib2_FOUND )
 105         SET ( GLIB2_INCLUDE_DIRS ${_glib2_include_DIR} ${_glibconfig_include_DIR} )
 106         SET ( GLIB2_LIBRARIES ${_glib2_link_DIR} )
 107         SET ( GLIB2_CORE_FOUND TRUE )
 108     ELSE ( _glib2_FOUND )
 109         SET ( GLIB2_CORE_FOUND FALSE )
 110     ENDIF ( _glib2_FOUND )
 111
 112     # Handle dependencies
 113     # libintl
 114     IF ( NOT LIBINTL_FOUND )
 115       FIND_PATH(LIBINTL_INCLUDE_DIR
 116       NAMES
 117         libintl.h
 118       PATHS
 119         /opt/gnome/include
 120         /opt/local/include
 121         /sw/include
 122         /usr/include
 123         /usr/local/include
 124       )
 125
 126       FIND_LIBRARY(LIBINTL_LIBRARY
 127       NAMES
 128         intl
 129       PATHS
 130         /opt/gnome/lib
 131         /opt/local/lib
 132         /sw/lib
 133         /usr/local/lib
 134         /usr/lib
 135       )
 136
 137       IF (LIBINTL_LIBRARY AND LIBINTL_INCLUDE_DIR)
 138         SET (LIBINTL_FOUND TRUE)
 139       ENDIF (LIBINTL_LIBRARY AND LIBINTL_INCLUDE_DIR)
 140     ENDIF ( NOT LIBINTL_FOUND )
 141
 142     # libiconv
 143     IF ( NOT LIBICONV_FOUND )
 144       FIND_PATH(LIBICONV_INCLUDE_DIR
 145       NAMES
 146         iconv.h
 147       PATHS
 148         /opt/gnome/include
 149         /opt/local/include
 150         /opt/local/include
 151         /sw/include
 152         /sw/include
 153         /usr/local/include
 154         /usr/include
 155       PATH_SUFFIXES
 156         glib-2.0
 157       )
 158
 159       FIND_LIBRARY(LIBICONV_LIBRARY
 160       NAMES
 161         iconv
 162       PATHS
 163         /opt/gnome/lib
 164         /opt/local/lib
 165         /sw/lib
 166         /usr/lib
 167         /usr/local/lib
 168       )
 169
 170       IF (LIBICONV_LIBRARY AND LIBICONV_INCLUDE_DIR)
 171         SET (LIBICONV_FOUND TRUE)
 172       ENDIF (LIBICONV_LIBRARY AND LIBICONV_INCLUDE_DIR)
 173     ENDIF ( NOT LIBICONV_FOUND )
 174
 175     IF (LIBINTL_FOUND)
 176       SET (GLIB2_LIBRARIES ${GLIB2_LIBRARIES} ${LIBINTL_LIBRARY})
 177       SET (GLIB2_INCLUDE_DIRS ${GLIB2_INCLUDE_DIRS} ${LIBINTL_INCLUDE_DIR})
 178     ENDIF (LIBINTL_FOUND)
 179
 180     IF (LIBICONV_FOUND)
 181       SET (GLIB2_LIBRARIES ${GLIB2_LIBRARIES} ${LIBICONV_LIBRARY})
 182       SET (GLIB2_INCLUDE_DIRS ${GLIB2_INCLUDE_DIRS} ${LIBICONV_INCLUDE_DIR})
 183     ENDIF (LIBICONV_FOUND)
 184
 185   ENDIF ( NOT GLIB2_FOUND AND NOT PKG_CONFIG_FOUND )
 186   ##
 187
 188   IF (GLIB2_CORE_FOUND AND GLIB2_INCLUDE_DIRS AND GLIB2_LIBRARIES)
 189     SET (GLIB2_FOUND TRUE)
 190   ENDIF (GLIB2_CORE_FOUND AND GLIB2_INCLUDE_DIRS AND GLIB2_LIBRARIES)
 191
 192   IF (GLIB2_FOUND)
 193     IF (NOT GLIB2_FIND_QUIETLY)
 194       MESSAGE (STATUS "Found GLib2: ${GLIB2_LIBRARIES} ${GLIB2_INCLUDE_DIRS}")
 195     ENDIF (NOT GLIB2_FIND_QUIETLY)
 196   ELSE (GLIB2_FOUND)
 197     IF (GLIB2_FIND_REQUIRED)
 198       MESSAGE (SEND_ERROR "Could not find GLib2")
 199     ENDIF (GLIB2_FIND_REQUIRED)
 200   ENDIF (GLIB2_FOUND)
 201
 202   # show the GLIB2_INCLUDE_DIRS and GLIB2_LIBRARIES variables only in the advanced view
 203   MARK_AS_ADVANCED(GLIB2_INCLUDE_DIRS GLIB2_LIBRARIES)
 204   MARK_AS_ADVANCED(LIBICONV_INCLUDE_DIR LIBICONV_LIBRARY)
 205   MARK_AS_ADVANCED(LIBINTL_INCLUDE_DIR LIBINTL_LIBRARY)
 206
 207 ENDIF (GLIB2_LIBRARIES AND GLIB2_INCLUDE_DIRS)
 208
 209 IF ( GLIB2_FOUND )
 210         # Check if system has a newer version of glib
 211         # which supports g_regex_match_simple
 212         INCLUDE( CheckIncludeFiles )
 213         SET( CMAKE_REQUIRED_INCLUDES ${GLIB2_INCLUDE_DIRS} )
 214         CHECK_INCLUDE_FILES ( glib/gregex.h HAVE_GLIB_GREGEX_H )
 215         # Reset CMAKE_REQUIRED_INCLUDES
 216         SET( CMAKE_REQUIRED_INCLUDES "" )
 217 ENDIF( GLIB2_FOUND )