From 2767f12174d65357d1bc863a7239e899ce0f59ca Mon Sep 17 00:00:00 2001
From: Anton Gladky <gladk@debian.org>
Date: Wed, 10 Jan 2024 22:16:54 +0100
Subject: [PATCH] Add missing GL-header

---
 .../patches/100_add_missing_gl_header.patch   | 37 +++++++++++++++++++
 debian/patches/series                         |  1 +
 2 files changed, 38 insertions(+)
 create mode 100644 debian/patches/100_add_missing_gl_header.patch

diff --git a/debian/patches/100_add_missing_gl_header.patch b/debian/patches/100_add_missing_gl_header.patch
new file mode 100644
index 000000000..e1d71986d
--- /dev/null
+++ b/debian/patches/100_add_missing_gl_header.patch
@@ -0,0 +1,37 @@
+Description: <short summary of the patch>
+ TODO: Put a short summary on the line above and replace this paragraph
+ with a longer explanation of this change. Complete the meta-information
+ with other relevant fields (see below for details). To make it easier, the
+ information below has been extracted from the changelog. Adjust it or drop
+ it.
+ .
+ vtk9 (9.3.0+dfsg1-1~exp2) experimental; urgency=medium
+ .
+   * [ad5a07d] Update build-depends.
+Author: Anton Gladky <gladk@debian.org>
+
+---
+The information above should follow the Patch Tagging Guidelines, please
+checkout https://dep.debian.net/deps/dep3/ to learn about the format. Here
+are templates for supplementary fields that you might want to add:
+
+Origin: (upstream|backport|vendor|other), (<patch-url>|commit:<commit-id>)
+Bug: <upstream-bugtracker-url>
+Bug-Debian: https://bugs.debian.org/<bugnumber>
+Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
+Forwarded: (no|not-needed|<patch-forwarded-url>)
+Applied-Upstream: <version>, (<commit-url>|commit:<commid-id>)
+Reviewed-By: <name and email of someone who approved/reviewed the patch>
+Last-Update: 2024-01-10
+
+--- vtk9-9.3.0+dfsg1.orig/GUISupport/Qt/QVTKOpenGLWindow.cxx
++++ vtk9-9.3.0+dfsg1/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)
diff --git a/debian/patches/series b/debian/patches/series
index 4408e1ac2..62197a20e 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -9,3 +9,4 @@
 97_reproducible_builds.patch
 98_fix_mpi4py.py
 99_fix_ftbfs.patch
+100_add_missing_gl_header.patch
-- 
2.30.2