CMakeScripts/FindGTK2.cmake

   1 #
   2 # try to find GTK2 (and glib) and GTK2GLArea
   3 #
   4 # GTK2_INCLUDE_DIRS  - Directories to include to use GTK2
   5 # GTK2_LIBRARIES     - Files to link against to use GTK2
   6 # GTK2_FOUND         - If false, don't try to use GTK2
   7 # GTK2_GL_FOUND      - If false, don't try to use GTK2's GL features
   8 #
   9 ###################################################################
  10 #
  11 #  Copyright (c) 2004 Jan Woetzel
  12 #  Copyright (c) 2006 Andreas Schneider <mail@cynapses.org>
  13 #
  14 # This program is free software; you can redistribute it and/or
  15 # modify it under the terms of the GNU General Public License
  16 # as published by the Free Software Foundation; either version 2
  17 # of the License, or (at your option) any later version.
  18 #
  19 # This program is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write to the Free Software
  26 # Foundation, Inc., 51 Franklin Street, Fifth Floor,
  27 # Boston, MA  02110-1301, USA.
  28 #
  29 ###################################################################
  30 #
  31 #  Copyright (c) 2004 Jan Woetzel
  32 #  Copyright (c) 2006 Andreas Schneider <mail@cynapses.org>
  33 #  All rights reserved.
  34 #
  35 # Redistribution and use in source and binary forms, with or without
  36 # modification, are permitted provided that the following conditions
  37 # are met:
  38 #
  39 # * Redistributions of source code must retain the above copyright
  40 #   notice, this list of conditions and the following disclaimer.
  41 #
  42 # * Redistributions in binary form must reproduce the above copyright
  43 #   notice, this list of conditions and the following disclaimer in
  44 #   the documentation and/or other materials provided with the
  45 #   distribution.
  46 #
  47 # * Neither the name of the <ORGANIZATION> nor the names of its
  48 #   contributors may be used to endorse or promote products derived
  49 #   from this software without specific prior written permission.
  50 #
  51 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  52 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  53 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  54 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  55 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  56 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  57 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  58 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  59 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  60 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  61 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  62 # POSSIBILITY OF SUCH DAMAGE.
  63 #
  64
  65 IF (GTK2_LIBRARIES AND GTK2_INCLUDE_DIRS)
  66   # in cache already
  67   SET(GTK2_FOUND TRUE)
  68 ELSE (GTK2_LIBRARIES AND GTK2_INCLUDE_DIRS)
  69   IF(UNIX)
  70     # use pkg-config to get the directories and then use these values
  71     # in the FIND_PATH() and FIND_LIBRARY() calls
  72     INCLUDE(UsePkgConfig)
  73
  74     PKGCONFIG(gtk+-2.0 _GTK22IncDir _GTK22LinkDir _GTK22LinkFlags _GTK22Cflags)
  75
  76     FIND_PATH(GTK2_GTK_INCLUDE_PATH gtk/gtk.h
  77       $ENV{GTK2_HOME}
  78       ${_GTK22IncDir}
  79       /usr/include/gtk-2.0
  80       /usr/local/include/gtk-2.0
  81       /opt/gnome/include/gtk-2.0
  82     )
  83
  84     # Some Linux distributions (e.g. Red Hat) have glibconfig.h
  85     # and glib.h in different directories, so we need to look
  86     # for both.
  87     #  - Atanas Georgiev <atanas@cs.columbia.edu>
  88     PKGCONFIG(glib-2.0 _GLIB2IncDir _GLIB2inkDir _GLIB2LinkFlags _GLIB2Cflags)
  89     PKGCONFIG(gmodule-2.0 _GMODULE2IncDir _GMODULE2inkDir _GMODULE2LinkFlags _GMODULE2Cflags)
  90     SET(GDIR /opt/gnome/lib/glib-2.0/include)
  91     FIND_PATH(GTK2_GLIBCONFIG_INCLUDE_PATH glibconfig.h
  92       ${_GLIB2IncDir}
  93       /opt/gnome/lib64/glib-2.0/include
  94       /opt/gnome/lib/glib-2.0/include
  95       /usr/lib64/glib-2.0/include
  96       /usr/lib/glib-2.0/include
  97     )
  98     #MESSAGE(STATUS "DEBUG: GTK2_GLIBCONFIG_INCLUDE_PATH = ${GTK2_GLIBCONFIG_INCLUDE_PATH}")
  99
 100     FIND_PATH(GTK2_GLIB_INCLUDE_PATH glib.h
 101       ${_GLIB2IncDir}
 102       /opt/gnome/include/glib-2.0
 103       /usr/include/glib-2.0
 104     )
 105     #MESSAGE(STATUS "DEBUG: GTK2_GLIBCONFIG_INCLUDE_PATH = ${GTK2_GLIBCONFIG_INCLUDE_PATH}")
 106
 107     FIND_PATH(GTK2_GTKGL_INCLUDE_PATH gtkgl/gtkglarea.h
 108       ${_GLIB2IncDir}
 109       /usr/include
 110       /usr/local/include
 111       /usr/openwin/share/include
 112       /opt/gnome/include
 113     )
 114
 115     PKGCONFIG(pango _PANGOIncDir _PANGOinkDir _PANGOLinkFlags _PANGOCflags)
 116
 117     FIND_PATH(GTK2_PANGO_INCLUDE_PATH pango/pango.h
 118       ${_PANGOIncDir}
 119       /opt/gnome/include/pango-1.0
 120       /usr/include/pango-1.0
 121     )
 122
 123     PKGCONFIG(gdk-2.0 _GDK2IncDir _GDK2inkDir _GDK2LinkFlags _GDK2Cflags)
 124
 125     FIND_PATH(GTK2_GDKCONFIG_INCLUDE_PATH gdkconfig.h
 126       ${_GDK2IncDir}
 127       /opt/gnome/lib/gtk-2.0/include
 128       /opt/gnome/lib64/gtk-2.0/include
 129       /usr/lib/gtk-2.0/include
 130       /usr/lib64/gtk-2.0/include
 131     )
 132
 133     PKGCONFIG(cairo _CAIROIncDir _CAIROinkDir _CAIROLinkFlags _CAIROCflags)
 134
 135     FIND_PATH(GTK2_CAIRO_INCLUDE_PATH cairo.h
 136       ${_CAIROIncDir}
 137       /opt/gnome/include/cairo
 138       /usr/include
 139       /usr/include/cairo
 140     )
 141     #MESSAGE(STATUS "DEBUG: GTK2_CAIRO_INCLUDE_PATH = ${GTK2_CAIRO_INCLUDE_PATH}")
 142
 143     PKGCONFIG(atk _ATKIncDir _ATKinkDir _ATKLinkFlags _ATKCflags)
 144
 145     FIND_PATH(GTK2_ATK_INCLUDE_PATH atk/atk.h
 146       ${_ATKIncDir}
 147       /opt/gnome/include/atk-1.0
 148       /usr/include/atk-1.0
 149     )
 150     #MESSAGE(STATUS "DEBUG: GTK2_ATK_INCLUDE_PATH = ${GTK2_ATK_INCLUDE_PATH}")
 151
 152     FIND_LIBRARY(GTK2_GTKGL_LIBRARY
 153       NAMES
 154         gtkgl
 155       PATHS
 156         ${_GTK22IncDir}
 157         /usr/lib
 158         /usr/local/lib
 159         /usr/openwin/lib
 160         /usr/X11R6/lib
 161         /opt/gnome/lib
 162     )
 163
 164     FIND_LIBRARY(GTK2_GTK_LIBRARY
 165       NAMES
 166         gtk-x11-2.0
 167       PATHS
 168         ${_GTK22LinkDir}
 169         /usr/lib
 170         /usr/local/lib
 171         /usr/openwin/lib
 172         /usr/X11R6/lib
 173         /opt/gnome/lib
 174     )
 175
 176     FIND_LIBRARY(GTK2_GDK_LIBRARY
 177       NAMES
 178         gdk-x11-2.0
 179       PATHS
 180         ${_GDK2LinkDir}
 181         /usr/lib
 182         /usr/local/lib
 183         /usr/openwin/lib
 184         /usr/X11R6/lib
 185         /opt/gnome/lib
 186     )
 187
 188     FIND_LIBRARY(GTK2_GMODULE_LIBRARY
 189       NAMES
 190         gmodule-2.0
 191       PATHS
 192         ${_GMODULE2inkDir}
 193         /usr/lib
 194         /usr/local/lib
 195         /usr/openwin/lib
 196         /usr/X11R6/lib
 197         /opt/gnome/lib
 198     )
 199
 200     FIND_LIBRARY(GTK2_GLIB_LIBRARY
 201       NAMES
 202         glib-2.0
 203       PATHS
 204         ${_GLIB2inkDir}
 205         /usr/lib
 206         /usr/local/lib
 207         /usr/openwin/lib
 208         /usr/X11R6/lib
 209         /opt/gnome/lib
 210     )
 211
 212     FIND_LIBRARY(GTK2_Xi_LIBRARY
 213       NAMES
 214         Xi
 215       PATHS
 216         /usr/lib
 217         /usr/local/lib
 218         /usr/openwin/lib
 219         /usr/X11R6/lib
 220         /opt/gnome/lib
 221     )
 222
 223     FIND_LIBRARY(GTK2_GTHREAD_LIBRARY
 224       NAMES
 225         gthread-2.0
 226       PATHS
 227         /usr/lib
 228         /usr/local/lib
 229         /usr/openwin/lib
 230         /usr/X11R6/lib
 231         /opt/gnome/lib
 232     )
 233
 234
 235     FIND_LIBRARY(GTK2_GOBJECT_LIBRARY
 236       NAMES
 237         gobject-2.0
 238       PATHS
 239         /usr/lib
 240         /usr/local/lib
 241         /usr/openwin/lib
 242         /usr/X11R6/lib
 243         /opt/gnome/lib
 244     )
 245
 246     IF(GTK2_GTK_INCLUDE_PATH)
 247       IF(GTK2_GLIBCONFIG_INCLUDE_PATH)
 248         IF(GTK2_GLIB_INCLUDE_PATH)
 249           IF(GTK2_GTK_LIBRARY)
 250             IF(GTK2_GLIB_LIBRARY)
 251               IF(GTK2_PANGO_INCLUDE_PATH)
 252                 IF(GTK2_ATK_INCLUDE_PATH)
 253                   IF(GTK2_CAIRO_INCLUDE_PATH)
 254                     # Assume that if gtk and glib were found, the other
 255                     # supporting libraries have also been found.
 256
 257                     SET(GTK2_FOUND TRUE)
 258
 259                     SET(GTK2_INCLUDE_DIRS
 260                       ${GTK2_GTK_INCLUDE_PATH}
 261                       ${GTK2_GLIBCONFIG_INCLUDE_PATH}
 262                       ${GTK2_GLIB_INCLUDE_PATH}
 263                       ${GTK2_PANGO_INCLUDE_PATH}
 264                       ${GTK2_GDKCONFIG_INCLUDE_PATH}
 265                       ${GTK2_ATK_INCLUDE_PATH}
 266                       ${GTK2_CAIRO_INCLUDE_PATH}
 267                       CACHE INTERNAL "The include directories for GTK2"
 268                     )
 269
 270                     SET(GTK2_LIBRARIES
 271                       ${GTK2_GTK_LIBRARY}
 272                       ${GTK2_GDK_LIBRARY}
 273                       ${GTK2_GLIB_LIBRARY}
 274                     )
 275                     #${GTK2_GOBJECT_LIBRARY})
 276
 277                     IF(GTK2_GMODULE_LIBRARY)
 278                       SET(GTK2_LIBRARIES
 279                         ${GTK2_LIBRARIES}
 280                         ${GTK2_GMODULE_LIBRARY}
 281                       )
 282                     ENDIF(GTK2_GMODULE_LIBRARY)
 283
 284                     IF(GTK2_GTHREAD_LIBRARY)
 285                       SET(GTK2_LIBRARIES
 286                         ${GTK2_LIBRARIES}
 287                         ${GTK2_GTHREAD_LIBRARY}
 288                       )
 289                     SET(GTK2_LIBRARIES ${GTK2_LIBRARIES}
 290                         CACHE INTERNAL "The libraries for GTK2"
 291                     )
 292                     ENDIF(GTK2_GTHREAD_LIBRARY)
 293                   ELSE(GTK2_CAIRO_INCLUDE_PATH)
 294                     MESSAGE(STATUS "Can not find cairo")
 295                   ENDIF(GTK2_CAIRO_INCLUDE_PATH)
 296                 ELSE(GTK2_ATK_INCLUDE_PATH)
 297                   MESSAGE(STATUS "Can not find atk")
 298                 ENDIF(GTK2_ATK_INCLUDE_PATH)
 299               ELSE(GTK2_PANGO_INCLUDE_PATH)
 300                 MESSAGE(STATUS "Can not find pango includes")
 301               ENDIF(GTK2_PANGO_INCLUDE_PATH)
 302             ELSE(GTK2_GLIB_LIBRARY)
 303               MESSAGE(STATUS "Can not find glib lib")
 304             ENDIF(GTK2_GLIB_LIBRARY)
 305           ELSE(GTK2_GTK_LIBRARY)
 306             MESSAGE(STATUS "Can not find gtk lib")
 307           ENDIF(GTK2_GTK_LIBRARY)
 308         ELSE(GTK2_GLIB_INCLUDE_PATH)
 309           MESSAGE(STATUS "Can not find glib includes")
 310         ENDIF(GTK2_GLIB_INCLUDE_PATH)
 311       ELSE(GTK2_GLIBCONFIG_INCLUDE_PATH)
 312         MESSAGE(STATUS "Can not find glibconfig")
 313       ENDIF(GTK2_GLIBCONFIG_INCLUDE_PATH)
 314     ELSE (GTK2_GTK_INCLUDE_PATH)
 315       MESSAGE(STATUS "Can not find gtk includes")
 316     ENDIF (GTK2_GTK_INCLUDE_PATH)
 317
 318     IF (GTK2_FOUND)
 319       IF (NOT GTK2_FIND_QUIETLY)
 320         MESSAGE(STATUS "Found GTK2: ${GTK2_LIBRARIES}")
 321       ENDIF (NOT GTK2_FIND_QUIETLY)
 322     ELSE (GTK2_FOUND)
 323       IF (GTK2_FIND_REQUIRED)
 324         MESSAGE(SEND_ERROR "Could NOT find GTK2")
 325       ENDIF (GTK2_FIND_REQUIRED)
 326     ENDIF (GTK2_FOUND)
 327
 328     MARK_AS_ADVANCED(
 329       GTK2_GDK_LIBRARY
 330       GTK2_GLIB_INCLUDE_PATH
 331       GTK2_GLIB_LIBRARY
 332       GTK2_GLIBCONFIG_INCLUDE_PATH
 333       GTK2_GMODULE_LIBRARY
 334       GTK2_GTHREAD_LIBRARY
 335       GTK2_Xi_LIBRARY
 336       GTK2_GTK_INCLUDE_PATH
 337       GTK2_GTK_LIBRARY
 338       GTK2_GTKGL_INCLUDE_PATH
 339       GTK2_GTKGL_LIBRARY
 340       GTK2_ATK_INCLUDE_PATH
 341       GTK2_GDKCONFIG_INCLUDE_PATH
 342       #GTK2_GOBJECT_LIBRARY
 343       GTK2_PANGO_INCLUDE_PATH
 344     )
 345   ENDIF(UNIX)
 346 ENDIF (GTK2_LIBRARIES AND GTK2_INCLUDE_DIRS)
 347
 348 # vim:et ts=2 sw=2 comments=\:\#