From 22b820a7490dfa1e8da48889206db5cc6fcc4a45 Mon Sep 17 00:00:00 2001
From: Chris Hennes <chennes@pioneerlibrarysystem.org>
Date: Fri, 18 Jul 2025 08:27:46 -0500
Subject: [PATCH] CMake: Explictly add QtOpenGLWidgets

Necessary for manually-compiled Qt 6.9 builds.
---
 cMake/FreeCAD_Helpers/PrintFinalReport.cmake | 1 +
 cMake/FreeCAD_Helpers/SetupQt.cmake          | 1 +
 src/Gui/CMakeLists.txt                       | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/cMake/FreeCAD_Helpers/PrintFinalReport.cmake b/cMake/FreeCAD_Helpers/PrintFinalReport.cmake
index be1078cc4c..bef4f83ebc 100644
--- a/cMake/FreeCAD_Helpers/PrintFinalReport.cmake
+++ b/cMake/FreeCAD_Helpers/PrintFinalReport.cmake
@@ -166,6 +166,7 @@ macro(PrintFinalReport)
     simple(QtCore ${QtCore_VERSION})
     simple(QtNetwork ${QtNetwork_VERSION})
     conditional(QtOpenGL BUILD_GUI "not needed" ${QtOpenGL_VERSION})
+    conditional(QtOpenGLWidgets BUILD_GUI "not needed" ${QtOpenGLWidgets_VERSION})
     conditional(QtPrintSupport BUILD_GUI "not needed" ${QtPrintSupport_VERSION})
     conditional(QtSvg BUILD_GUI "not needed" ${QtSvg_VERSION})
     conditional(QtUiTools BUILD_GUI "not needed" ${QtUiTools_VERSION})
diff --git a/cMake/FreeCAD_Helpers/SetupQt.cmake b/cMake/FreeCAD_Helpers/SetupQt.cmake
index eba599830a..8a7ba9bdeb 100644
--- a/cMake/FreeCAD_Helpers/SetupQt.cmake
+++ b/cMake/FreeCAD_Helpers/SetupQt.cmake
@@ -13,6 +13,7 @@ if(BUILD_GUI)
     elseif (FREECAD_QT_MAJOR_VERSION EQUAL 6)
         list (APPEND FREECAD_QT_COMPONENTS GuiTools)
         list (APPEND FREECAD_QT_COMPONENTS SvgWidgets)
+        list (APPEND FREECAD_QT_COMPONENTS OpenGLWidgets)
     endif()
 
     list (APPEND FREECAD_QT_COMPONENTS OpenGL PrintSupport Svg UiTools Widgets LinguistTools)
diff --git a/src/Gui/CMakeLists.txt b/src/Gui/CMakeLists.txt
index cce02afbc9..7913e6672d 100644
--- a/src/Gui/CMakeLists.txt
+++ b/src/Gui/CMakeLists.txt
@@ -128,6 +128,7 @@ target_include_directories(
     ${QtCore_INCLUDE_DIRS}
     ${QtWidgets_INCLUDE_DIRS}
     ${QtOpenGL_INCLUDE_DIRS}
+    ${QtOpenGLWidgets_INCLUDE_DIRS}
     ${QtPrintSupport_INCLUDE_DIRS}
     ${QtSvg_INCLUDE_DIRS}
     ${QtSvgWidgets_INCLUDE_DIRS}
@@ -139,6 +140,7 @@ list(APPEND FreeCADGui_LIBS
     ${QtCore_LIBRARIES}
     ${QtWidgets_LIBRARIES}
     ${QtOpenGL_LIBRARIES}
+    ${QtOpenGLWidgets_LIBRARIES}
     ${QtPrintSupport_LIBRARIES}
     ${QtSvg_LIBRARIES}
     ${QtSvgWidgets_LIBRARIES}