From 2d1acfe359852836f3096da0d3262d558ee383d3 Mon Sep 17 00:00:00 2001
From: "Marcus D. Hanwell" <marcus.hanwell@kitware.com>
Date: Mon, 19 Sep 2011 14:55:19 -0400
Subject: Don't warn when nothing to do in visibility function.

---
 Modules/GenerateExportHeader.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/GenerateExportHeader.cmake b/Modules/GenerateExportHeader.cmake
index e1ce16d..f2eaf8c 100644
--- a/Modules/GenerateExportHeader.cmake
+++ b/Modules/GenerateExportHeader.cmake
@@ -353,7 +353,7 @@ function(add_compiler_export_flags)
   _test_compiler_has_deprecated()
 
   if(NOT (USE_COMPILER_HIDDEN_VISIBILITY AND COMPILER_HAS_HIDDEN_VISIBILITY))
-    message(WARNING "Compiler doesn't have hidden visibility")
+    # Just return if there are no flags to add.
     return()
   endif()
 
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