0025442: Visualization, TKOpenGl - prevent inclusion of system header glxext.h

[occt.git] / src / OpenGl / OpenGl_GlFunctions.hxx

diff --git a/src/OpenGl/OpenGl_GlFunctions.hxx b/src/OpenGl/OpenGl_GlFunctions.hxx
index 60e9866..7c8f6ab 100644 (file)
--- a/src/OpenGl/OpenGl_GlFunctions.hxx
+++ b/src/OpenGl/OpenGl_GlFunctions.hxx
@@ -34,6 +34,7 @@
 
 // exclude modern definitions and system-provided glext.h, should be defined before gl.h inclusion
 #define GL_GLEXT_LEGACY
+#define GLX_GLXEXT_LEGACY
 
 // include main OpenGL header provided with system
 #if defined(__APPLE__)
@@ -153,6 +154,7 @@
   #undef GL_VERSION_4_2
   #undef GL_VERSION_4_3
   #undef GL_VERSION_4_4
+  #undef GL_VERSION_4_5
 
   // include glext.h provided by Khronos group
   #include <glext.h>