X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=tests%2Ftest-env-map.cxx;h=0cb13dee982901375392fe742b42402df6a8f89e;hb=efe978e6795249126a351d9823a434b41eda5994;hp=6e372281f0abe610cb031bfb7aa1d9552b81defa;hpb=9c2cc7c309fa8701a2c851e8575a6c7466b4d6ee;p=flightgear.git

diff --git a/tests/test-env-map.cxx b/tests/test-env-map.cxx
index 6e372281f..0cb13dee9 100644
--- a/tests/test-env-map.cxx
+++ b/tests/test-env-map.cxx
@@ -10,12 +10,21 @@
 #include <stdio.h>
 #include <math.h>
 
-#include FG_GLUT_H
+#include <simgear/compiler.h>
+#if defined( __APPLE__)
+# include <OpenGL/OpenGL.h>
+# include <GLUT/glut.h>
+#else
+# include <GL/gl.h>
+# ifdef HAVE_GLUT_H
+#  include <GL/glut.h>
+# endif
+#endif
 
 #define TEXRES_X 256
 #define TEXRES_Y 256
 
-
+#ifdef HAVE_GLUT_H
 unsigned char env_map[TEXRES_X][TEXRES_Y][4];
 GLuint texName;
 int window_x = 640, window_y = 480;
@@ -241,9 +250,11 @@ void keyboard (unsigned char key, int x, int y)
     break;
   }
 }
+#endif /* HAVE_GLUT_H */
 
 int main(int argc, char** argv)
 {
+#ifdef HAVE_GLUT_H
   glutInitWindowSize(window_x, window_y);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
@@ -254,6 +265,10 @@ int main(int argc, char** argv)
   glutKeyboardFunc(keyboard);
 
   glutMainLoop();
+#else
+
+  printf("GL Utility Toolkit (glut) was not found on this system.\n");
+#endif
 
   return 0;
 }