The VTK_MAJOR_VERSION macro is not available by default in newer versions.
This is a hack to expose it without changing all imports.

diff --git a/addons/vtk/CMakeLists.txt b/addons/vtk/CMakeLists.txt
--- a/addons/vtk/CMakeLists.txt
+++ b/addons/vtk/CMakeLists.txt
@@ -36,6 +36,8 @@ IF(WITH_VTKIO)
     ELSE()
       SET(SELECTED_VTK_LIBS ${VTK_MODULES_REQUESTED})
     ENDIF()
+
+   add_compile_definitions(VTK_MAJOR_VERSION=${VTK_VERSION_MAJOR})
     
     SET(VTK_LINK_LIBS_MESH ${SELECTED_VTK_LIBS} miamesh)
     SET(VTK_LINK_LIBS_3D ${SELECTED_VTK_LIBS} mia3d)
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<tr><td><span title='2024-10-12 14:26:01 +0200'>2024-10-12</span></td><td><a href='/guix/commit/gnu/home/services/sway.scm?id=b64f7984a5e2aba04df72a92f0044e423efe77c6'>home: services: Add 'home-sway-service-type'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/home/services/sway.scm: New file.
(home-sway-service-type): New variable.
(sway-configuration-&gt;file): New procedure.
(sway-configuration): New configuration record.
(sway-bar): New configuration record.
(sway-output): New configuration record.
(sway-input): New configuration record.
(point): New configuration record.
(sway-color): New configuration record.
(sway-border-color): New configuration record.
(sway-mode): New configuration record.
(flatmap): New procedure.
* gnu/local.mk: Add gnu/home/services/sway.scm.
* doc/guix.texi (Sway window manager): New node to document the above
changes.

Signed-off-by: Florian Pelz &lt;pelzflorian@pelzflorian.de&gt;
Change-Id: I880261570c5afdb795f2ce18bac2b9a5c898677f
</span></span></td><td>Arnaud Daby-Seesaram</td></tr>