From 45726d93a8dc5c60c5c2d7fef1e2e9e950a898b9 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 7 Jan 2025 15:13:07 -0500
Subject: Makefile: List codegen target in help

This was left out of commit 197cb419d1 (add_custom_command: Add
CODEGEN support, 2024-05-27, v3.31.0-rc1~394^2).

Fixes: #26545
---
 Source/cmGlobalUnixMakefileGenerator3.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/cmGlobalUnixMakefileGenerator3.cxx b/Source/cmGlobalUnixMakefileGenerator3.cxx
index 32c2a20..671dae2 100644
--- a/Source/cmGlobalUnixMakefileGenerator3.cxx
+++ b/Source/cmGlobalUnixMakefileGenerator3.cxx
@@ -951,6 +951,9 @@ void cmGlobalUnixMakefileGenerator3::WriteHelpRule(
   if (!this->GlobalSettingIsOn("CMAKE_SUPPRESS_REGENERATION")) {
     lg->AppendEcho(commands, "... depend");
   }
+  if (this->CheckCMP0171()) {
+    lg->AppendEcho(commands, "... codegen");
+  }
 
   // Keep track of targets already listed.
   std::set<std::string> emittedTargets;
-- 
cgit v0.12