From 11e66f447b3328db88dbf84d54dabbdc4d389d0f Mon Sep 17 00:00:00 2001
From: howetuft <howetuft@gmail.com>
Date: Fri, 5 Apr 2024 22:38:14 +0200
Subject: [PATCH] Fix OpenGL issue in Python virtual environment

See issue #1755
---
 source/MaterialXRenderGlsl/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/MaterialXRenderGlsl/CMakeLists.txt b/source/MaterialXRenderGlsl/CMakeLists.txt
index 27934bf5db..1748b70190 100644
--- a/source/MaterialXRenderGlsl/CMakeLists.txt
+++ b/source/MaterialXRenderGlsl/CMakeLists.txt
@@ -27,6 +27,10 @@ elseif(UNIX)
         message(FATAL_ERROR "Error in building MaterialXRenderGlsl: Xt was not found")
     endif()
 
+    if(SKBUILD)
+      set(OpenGL_GL_PREFERENCE LEGACY)
+    endif()
+
     find_package(OpenGL REQUIRED)
     include_directories(${X11_INCLUDE_DIR})
 endif()