From 5f93cf4afea05ffaf7b688bbc4080a3410a20bc3 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Fri, 22 Apr 2022 18:02:46 -0400
Subject: cmFileSet: support makefile-less error reporting of visibility

---
 Source/cmFileSet.cxx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Source/cmFileSet.cxx b/Source/cmFileSet.cxx
index 1d1d29e..d6665a2 100644
--- a/Source/cmFileSet.cxx
+++ b/Source/cmFileSet.cxx
@@ -45,9 +45,12 @@ cmFileSetVisibility cmFileSetVisibilityFromName(cm::string_view name,
   if (name == "PRIVATE"_s) {
     return cmFileSetVisibility::Private;
   }
-  mf->IssueMessage(
-    MessageType::FATAL_ERROR,
-    cmStrCat("File set visibility \"", name, "\" is not valid."));
+  auto msg = cmStrCat("File set visibility \"", name, "\" is not valid.");
+  if (mf) {
+    mf->IssueMessage(MessageType::FATAL_ERROR, msg);
+  } else {
+    cmSystemTools::Error(msg);
+  }
   return cmFileSetVisibility::Private;
 }
 
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