Fix a problem with systems that don't define GLXPbufferSGIX or GLXFBConfigSGIX

[simgear.git] / simgear / screen / TestRenderTexture.cpp

diff --git a/simgear/screen/TestRenderTexture.cpp b/simgear/screen/TestRenderTexture.cpp
index 70d211517ad90e424f8124e2cb7199154239f12c..8b018cb8240fafc46859b5538507ed9120939240 100644 (file)
--- a/simgear/screen/TestRenderTexture.cpp
+++ b/simgear/screen/TestRenderTexture.cpp
@@ -1,10 +1,18 @@
 
+#ifdef HAVE_CONFIG_H
+#  include <simgear/simgear_config.h>
+#endif
+
+#ifdef HAVE_WINDOWS_H
+#  include <windows.h>
+#endif
+
 #include <simgear/compiler.h>
 
 #include SG_GL_H
 #include <GL/glut.h>
-#include <simgear/screen/RenderTexture.h>
 #include <simgear/screen/extensions.hxx>
+#include <simgear/screen/RenderTexture.h>
 
 #include <assert.h>
 #include <stdio.h>