0025990: Visualization - result of compilation depends on the order of included OCCT...

Define GL_GLEXT_LEGACY within InterfaceGraphic.hxx

diff --git a/src/InterfaceGraphic/InterfaceGraphic.hxx b/src/InterfaceGraphic/InterfaceGraphic.hxx
index c59bd5d1a0a6830e026388e94520ace5d5d91b67..80ac333f7a14c2a4f7ca8eac67a0f8bc84d4c682 100644 (file)
--- a/src/InterfaceGraphic/InterfaceGraphic.hxx
+++ b/src/InterfaceGraphic/InterfaceGraphic.hxx
@@ -27,6 +27,10 @@
 
 #include <stdio.h>
 
+// exclude modern definitions and system-provided glext.h, should be defined before gl.h inclusion
+#define GL_GLEXT_LEGACY
+#define GLX_GLXEXT_LEGACY
+
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>