From f44fb2dd4ce5e47cd0a12d1a25bda40f012d453a Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 7 Nov 2017 07:57:09 -0500
Subject: FindOpenGL: Clarify logic constructing OPENGL_LIBRARIES

Our comment says the logic matches that for OpenGL::GL.  Structure
the logic the same way to make this clearer.

Issue: #17437
---
 Modules/FindOpenGL.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/FindOpenGL.cmake b/Modules/FindOpenGL.cmake
index 59bee41..8cceabd 100644
--- a/Modules/FindOpenGL.cmake
+++ b/Modules/FindOpenGL.cmake
@@ -440,9 +440,10 @@ if(OPENGL_FOUND)
   endif()
 
   # OPENGL_LIBRARIES mirrors OpenGL::GL's logic ...
-  set(OPENGL_LIBRARIES ${OPENGL_gl_LIBRARY})
   if(TARGET OpenGL::GLX AND TARGET OpenGL::OpenGL)
     set(OPENGL_LIBRARIES ${OPENGL_opengl_LIBRARY} ${OPENGL_glx_LIBRARY})
+  else()
+    set(OPENGL_LIBRARIES ${OPENGL_gl_LIBRARY})
   endif()
   # ... and also includes GLU, if available.
   if(TARGET OpenGL::GLU)
-- 
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