Moved FLTK and GTK to new FindXXX scheme. Imported some functionality from VXL

1 files changed, 128 insertions, 12 deletions

diff --git a/Modules/FindGTK.cmake b/Modules/FindGTK.cmake
index df6277e566..846cd99bea 100644
--- a/Modules/FindGTK.cmake
+++ b/Modules/FindGTK.cmake
@@ -1,25 +1,141 @@
 #
-# try to find GTK
+# try to find GTK (and glib) and GTKGLArea
 #
 
+# GTK_INCLUDE_DIR   - Directories to include to use GTK
+# GTK_LIBRARIES     - Files to link against to use GTK
+# GTK_FOUND         - If false, don't try to use GTK
+
 # don't even bother under WIN32
 IF (UNIX)
 
-  FIND_PATH(GTK_INCLUDE_PATH gtk/gtk.h
-  /usr/include
-  /usr/local/include
-  /usr/openwin/share/include
+  FIND_PATH( GTK_gtk_INCLUDE_PATH gtk/gtk.h
+    /usr/include
+    /usr/local/include
+    /usr/openwin/share/include
+    /usr/openwin/include
+    /usr/X11R6/include
+    /usr/include/X11
+    /usr/X11R6/include/gtk12
+    /usr/include/gtk-1.2
+    /usr/local/include/gtk-1.2
+    /opt/gnome/include
   )
 
-  FIND_LIBRARY(GTK_LIB_PATH  gtk
-  PATHS /usr/lib  /usr/local/lib  /usr/openwin/lib  /usr/X11R6/lib
+  # Some Linux distributions (e.g. Red Hat) have glibconfig.h
+  # and glib.h in different directories, so we need to look
+  # for both.
+  #  - Atanas Georgiev <atanas@cs.columbia.edu>
+
+  FIND_PATH( GTK_glibconfig_INCLUDE_PATH glibconfig.h
+    /usr/include
+    /usr/local/include
+    /usr/openwin/share/include
+    /usr/local/include/glib12
+    /usr/lib/glib/include
+    /usr/local/lib/glib/include
+    /opt/gnome/include
+    /opt/gnome/lib/glib/include
   )
 
-  FIND_PATH(GTK_GLIB_INCLUDE_PATH glibconfig.h
-  /usr/include
-  /usr/local/include
-  /usr/openwin/share/include
+  FIND_PATH( GTK_glib_INCLUDE_PATH glib.h
+    /usr/include
+    /usr/local/include
+    /usr/openwin/share/include
+    /usr/include/gtk-1.2
+    /usr/local/include/glib12
+    /usr/lib/glib/include
+    /usr/include/glib-1.2
+    /usr/local/include/glib-1.2
+    /opt/gnome/include
+    /opt/gnome/include/glib-1.2
   )
 
-ENDIF (UNIX)
+  FIND_PATH( GTK_gtkgl_INCLUDE_PATH gtkgl/gtkglarea.h
+    /usr/include
+    /usr/local/include
+    /usr/openwin/share/include
+    /opt/gnome/include
+  )
+
+  FIND_LIBRARY( GTK_gtkgl_LIBRARY gtkgl
+    /usr/lib
+    /usr/local/lib
+    /usr/openwin/lib
+    /usr/X11R6/lib
+    /opt/gnome/lib
+  )
+
+  #
+  # The 12 suffix is thanks to the FreeBSD ports collection
+  #
+
+  FIND_LIBRARY( GTK_gtk_LIBRARY
+    NAMES  gtk gtk12
+    PATHS /usr/lib
+          /usr/local/lib
+          /usr/openwin/lib
+          /usr/X11R6/lib
+          /opt/gnome/lib
+  )
+
+  FIND_LIBRARY( GTK_gdk_LIBRARY
+    NAMES  gdk gdk12
+    PATHS  /usr/lib
+           /usr/local/lib
+           /usr/openwin/lib
+           /usr/X11R6/lib
+           /opt/gnome/lib
+  )
 
+  FIND_LIBRARY( GTK_gmodule_LIBRARY
+    NAMES  gmodule gmodule12
+    PATHS  /usr/lib
+           /usr/local/lib
+           /usr/openwin/lib
+           /usr/X11R6/lib
+           /opt/gnome/lib
+  )
+
+  FIND_LIBRARY( GTK_glib_LIBRARY
+    NAMES  glib glib12
+    PATHS  /usr/lib
+           /usr/local/lib
+           /usr/openwin/lib
+           /usr/X11R6/lib
+           /opt/gnome/lib
+  )
+
+  IF(GTK_gtk_INCLUDE_PATH)
+  IF(GTK_glibconfig_INCLUDE_PATH)
+  IF(GTK_glib_INCLUDE_PATH)
+  IF(GTK_gtkgl_INCLUDE_PATH)
+  IF(GTK_gtk_LIBRARY)
+  IF(GTK_glib_LIBRARY)
+  IF(GTK_gtkgl_LIBRARY)
+
+    # Assume that if gtk and glib were found, the other
+    # supporting libraries have also been found.
+
+    SET( GTK_FOUND "YES" )
+    SET( GTK_INCLUDE_DIR  ${GTK_gtk_INCLUDE_PATH}
+                           ${GTK_glibconfig_INCLUDE_PATH}
+                           ${GTK_glib_INCLUDE_PATH}
+                           ${GTK_gtkgl_INCLUDE_PATH} )
+    SET( GTK_LIBRARIES  ${GTK_gtkgl_LIBRARY}
+                        ${GTK_gtk_LIBRARY}
+                        ${GTK_gdk_LIBRARY}
+                        ${GTK_gmodule_LIBRARY}
+                        ${GTK_glib_LIBRARY}    )
+
+  ENDIF(GTK_gtkgl_LIBRARY)
+  ENDIF(GTK_glib_LIBRARY)
+  ENDIF(GTK_gtk_LIBRARY)
+  ENDIF(GTK_gtkgl_INCLUDE_PATH)
+  ENDIF(GTK_glibconfig_INCLUDE_PATH)
+  ENDIF(GTK_glib_INCLUDE_PATH)
+  ENDIF(GTK_gtk_INCLUDE_PATH)
+
+
+
+ENDIF (UNIX)