CMake: Force OpenGL to use legacy

2025-02-25 13:26:02 -06:00
parent cf477695f9
commit 64e5e4a137
1 changed files with 5 additions and 0 deletions
--- a/cMake/FreeCAD_Helpers/SetupOpenGL.cmake
+++ b/cMake/FreeCAD_Helpers/SetupOpenGL.cmake
@@ -1,6 +1,11 @@
 macro(SetupOpenGL)
 # -------------------------------- OpenGL --------------------------------

+    # If on a system with both a legacy GL library and GLVND, prefer the legacy library.
+    # This is probably needed until we no longer have any gl.*ARB calls in the codebase
+    # See, e.g. SoBrepFaceSet.cpp
+    set(OpenGL_GL_PREFERENCE LEGACY)
+
    find_package(OpenGL)
    include(FindPackageMessage)
    if(OPENGL_GLU_FOUND)