X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=tests%2Fest-epsilon.c;h=5ff0a8aca8a763065d14032b7d4476100c58678d;hb=26cd4f92c5b2b02faaf617229b95c4b9505ff378;hp=3b0efaf806d07afda1cd63423a68392e15a1a5fd;hpb=4214cd6c10e8e90577673b4a11b6451248b3c6ee;p=flightgear.git

diff --git a/tests/est-epsilon.c b/tests/est-epsilon.c
index 3b0efaf80..5ff0a8aca 100644
--- a/tests/est-epsilon.c
+++ b/tests/est-epsilon.c
@@ -9,9 +9,11 @@
 #include <stdio.h>
 
 #include <simgear/compiler.h>
-
-#include SG_GLUT_H
-
+#if defined( __APPLE__)
+# include <OpenGL/OpenGL.h>
+#else
+# include <GL/gl.h>
+#endif
 
 int main() {
     GLfloat a, t;