ENH: Reporting OTB_GL_USE_ACCEL in otbConfigure.h so that external apps do not...

ENH: Reporting OTB_GL_USE_ACCEL in otbConfigure.h so that external apps do not need to care about it

CMakeLists.txt

@@ -230,13 +230,6 @@ IF(OTB_USE_VISU_GUI)
         #-------------------------------
 	OPTION(OTB_GL_USE_ACCEL "Use video card acceleration." ON)
 	MARK_AS_ADVANCED(OTB_GL_USE_ACCEL)
-	IF(OTB_GL_USE_ACCEL)
-          # Add compiler option 
-          ADD_DEFINITIONS(-DOTB_GL_USE_ACCEL)
-	ENDIF(OTB_GL_USE_ACCEL)
-
-
-	
         
         #-------------------------------
         # FLTK Library

Code/Visu/otbImageWidgetBase.txx

@@ -18,7 +18,7 @@
 #ifndef __otbImageWidgetBase_txx
 #define __otbImageWidgetBase_txx
 
-
+#include "otbConfigure.h"
 #include "itkImageRegionConstIteratorWithIndex.h"
 #include "itkMacro.h"
 #include "otbMacro.h"

otbConfigure.h.in

@@ -51,3 +51,6 @@
 #define OTB_STREAM_IMAGE_SIZE_TO_ACTIVATE_STREAMING  @OTB_STREAM_IMAGE_SIZE_TO_ACTIVATE_STREAMING@
 #define OTB_STREAM_MAX_SIZE_BUFFER_FOR_STREAMING     @OTB_STREAM_MAX_SIZE_BUFFER_FOR_STREAMING@
 
+/* Use opengl acceleration */
+#cmakedefine OTB_GL_USE_ACCEL
+