From c4cc21d20b79d682a99cc28957cf973ebf1993ff Mon Sep 17 00:00:00 2001
From: Robert Maynard <robert.maynard@kitware.com>
Date: Wed, 24 Jun 2020 08:34:08 -0400
Subject: cmVisualStudio10TargetGenerator: Do not segfault on empty config

The VS generator should error out earlier when no configurations
are specified, but for now cover this symptom.
---
 Source/cmVisualStudio10TargetGenerator.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Source/cmVisualStudio10TargetGenerator.cxx b/Source/cmVisualStudio10TargetGenerator.cxx
index a3ccd2b..a191f70 100644
--- a/Source/cmVisualStudio10TargetGenerator.cxx
+++ b/Source/cmVisualStudio10TargetGenerator.cxx
@@ -4131,8 +4131,9 @@ void cmVisualStudio10TargetGenerator::WriteProjectReferences(Elem& e0)
     }
 
     // Don't reference targets that don't produce any output.
-    if (dt->GetManagedType(this->Configurations[0]) ==
-        cmGeneratorTarget::ManagedType::Undefined) {
+    if (this->Configurations.empty() ||
+        dt->GetManagedType(this->Configurations[0]) ==
+          cmGeneratorTarget::ManagedType::Undefined) {
       e2.Element("ReferenceOutputAssembly", "false");
       e2.Element("CopyToOutputDirectory", "Never");
     }
-- 
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