Frederic Bouvier:

[simgear.git] / simgear / xgl / xgl.c

diff --git a/simgear/xgl/xgl.c b/simgear/xgl/xgl.c
index a3db64bb3dfc0dac1cdc9f383e725e13dac45b75..ae7a91f183ac43a165a19a9fa07d1ddbd8a3f979 100644 (file)
--- a/simgear/xgl/xgl.c
+++ b/simgear/xgl/xgl.c
@@ -7,7 +7,10 @@
 #endif
 
 #include "xgl.h"
-#include <GL/glut.h>
+
+#ifdef USING_GLUT
+#include GLUT_H
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -2729,6 +2732,7 @@ void xglViewport ( GLint x, GLint y, GLsizei width, GLsizei height )
     glViewport ( x, y, width, height ) ;
 }
 
+#ifdef USING_GLUT
 void xglutAddMenuEntry ( char* label, int value )
 {
   if ( xglTraceIsEnabled("glutAddMenuEntry") )
@@ -2864,6 +2868,7 @@ void xglutSwapBuffers ()
   if ( xglExecuteIsEnabled("glutSwapBuffers") )
     glutSwapBuffers () ;
 }
+#endif
 
 GLboolean xglAreTexturesResidentEXT ( GLsizei n, GLuint* textures, GLboolean* residences )
 {