From b4f17e5b4498740ae94af20f107122801ec397ac Mon Sep 17 00:00:00 2001
From: David Benjamin <davidben@google.com>
Date: Sat, 20 Apr 2024 23:44:54 -0400
Subject: FindThreads: Fix pthreads detection with -Wmissing-prototypes

If the project builds with `-Wmissing-prototypes` to catch unnecessarily
exported symbols, `CheckForPthreads.c` will fail to build.  Fix this by
marking `start_routine` as static.

Fixes: #25886
---
 Modules/CheckForPthreads.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/CheckForPthreads.c b/Modules/CheckForPthreads.c
index e70ceb1..ea1f7ac 100644
--- a/Modules/CheckForPthreads.c
+++ b/Modules/CheckForPthreads.c
@@ -1,6 +1,6 @@
 #include <pthread.h>
 
-void* start_routine(void* args)
+static void* start_routine(void* args)
 {
   return args;
 }
-- 
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