From 635992489cf0ceb53eb25ccd45bddef53afb2483 Mon Sep 17 00:00:00 2001
From: ckie <git-525ff67@ckie.dev>
Date: Wed, 9 Feb 2022 12:59:40 +0200
Subject: [PATCH] vtk: move headers out of /include/vtk-*

I believe this is a remanant of a global /usr/include which isn't
required with Nix and only complicates dependants' build scripts.

Backwards compatibility is maintained by way of a symlink.
---
 pkgs/development/libraries/vtk/generic.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/vtk/generic.nix b/pkgs/development/libraries/vtk/generic.nix
index 69e36090177..d770bd54d04 100644
--- a/pkgs/development/libraries/vtk/generic.nix
+++ b/pkgs/development/libraries/vtk/generic.nix
@@ -94,6 +94,10 @@ in stdenv.mkDerivation rec {
     for lib in $out/lib/libvtk*.so; do
       ln -s $lib $out/lib/"$(basename "$lib" | sed -e 's/-[[:digit:]]*.[[:digit:]]*//g')"
     done
+
+    mv $out/include/vtk-${majorVersion}/* $out/include
+    rmdir $out/include/vtk-${majorVersion}
+    ln -s $out/include $out/include/vtk-${majorVersion}
   '';
 
   meta = with lib; {