From 78983cb85e0fa20d559b3bc2c9a05ea751997b9c Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Fri, 24 Jan 2025 16:59:00 +0100
Subject: [PATCH] create_test_source_list: declare functions as `extern`

This avoids linting thinking that `func_name` can be declared `static`.
It is actually in a separate file and found at link time, so explicitly
mark it as such.
---
 Source/cmCreateTestSourceList.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Source/cmCreateTestSourceList.cxx b/Source/cmCreateTestSourceList.cxx
index 11e5f1bd98..5a791f0973 100644
--- a/Source/cmCreateTestSourceList.cxx
+++ b/Source/cmCreateTestSourceList.cxx
@@ -93,7 +93,8 @@ bool cmCreateTestSourceList(std::vector<std::string> const& args,
       tests_func_name.end();
     tests_func_name.push_back(func_name);
     if (!already_declared) {
-      forwardDeclareCode += cmStrCat("int ", func_name, "(int, char*[]);\n");
+      forwardDeclareCode +=
+        cmStrCat("extern int ", func_name, "(int, char*[]);\n");
     }
   }