Add missing GL header

Last-Update: 2024-01-10

Gbp-Pq: Name 100_add_missing_gl_header.patch

diff --git a/GUISupport/Qt/QVTKOpenGLWindow.cxx b/GUISupport/Qt/QVTKOpenGLWindow.cxx
index f36030943ed6768043f7e737243df28fbaca4836..52469173ea9aa3e484421f547e107a999d0537d1 100644 (file)
--- a/GUISupport/Qt/QVTKOpenGLWindow.cxx
+++ b/GUISupport/Qt/QVTKOpenGLWindow.cxx
@@ -22,6 +22,8 @@
 #include "vtkObjectFactory.h"
 #include "vtkOpenGLState.h"
 
+#include <GL/gl.h>
+
 VTK_ABI_NAMESPACE_BEGIN
 QVTKOpenGLWindow::QVTKOpenGLWindow(QOpenGLWindow::UpdateBehavior ub, QWindow* p)
   : QVTKOpenGLWindow(vtkSmartPointer<vtkGenericOpenGLRenderWindow>::New(), nullptr, ub, p)