From dadaa2863841fc704b73276630f4260fa7ad5850 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Tue, 31 Jan 2023 22:57:59 -0500
Subject: cmGeneratorTarget: synthetic targets don't have output either

---
 Source/cmGeneratorTarget.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index b99892b..be6456b 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -7115,6 +7115,11 @@ cmGeneratorTarget::OutputInfo const* cmGeneratorTarget::GetOutputInfo(
     return nullptr;
   }
 
+  // Synthetic targets don't have output.
+  if (this->IsSynthetic()) {
+    return nullptr;
+  }
+
   // Only libraries and executables have well-defined output files.
   if (!this->HaveWellDefinedOutputFiles()) {
     std::string msg = cmStrCat("cmGeneratorTarget::GetOutputInfo called for ",
-- 
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