From 2b9890e9b940db59b4d1633fa5b8067f615ed0f4 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 14 Jun 2021 15:32:31 -0400
Subject: cmScanDepFormat: Avoid writing lookup-method with default value

---
 Source/cmScanDepFormat.cxx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Source/cmScanDepFormat.cxx b/Source/cmScanDepFormat.cxx
index 6620221..ae0e649 100644
--- a/Source/cmScanDepFormat.cxx
+++ b/Source/cmScanDepFormat.cxx
@@ -3,7 +3,6 @@
 
 #include "cmScanDepFormat.h"
 
-#include <cassert>
 #include <cctype>
 #include <cstdio>
 #include <utility>
@@ -339,7 +338,7 @@ bool cmScanDepFormat_P1689_Write(std::string const& path,
     const char* lookup_method = nullptr;
     switch (require.Method) {
       case LookupMethod::ByName:
-        lookup_method = "by-name";
+        // No explicit value needed for the default.
         break;
       case LookupMethod::IncludeAngle:
         lookup_method = "include-angle";
@@ -348,8 +347,9 @@ bool cmScanDepFormat_P1689_Write(std::string const& path,
         lookup_method = "include-quote";
         break;
     }
-    assert(lookup_method);
-    require_obj["lookup-method"] = lookup_method;
+    if (lookup_method) {
+      require_obj["lookup-method"] = lookup_method;
+    }
 
     reqs.append(require_obj);
   }
-- 
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