From 7577b120acda087bf3f5f613c2c72663b3864ad8 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 4 Sep 2022 09:43:06 -0700
Subject: [PATCH] configure: Pass pthread_t to pthread_detach

This helps compilers when using C2X standard

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 configure.ac | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 0978eeb..58d15f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1467,10 +1467,7 @@ pthread_rwlock_t rwlock;
 				dnl save the flags
 				AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <pthread.h>
-#ifndef NULL
-#define NULL (void*)0
-#endif
-]], [[pthread_detach(NULL);]])],[ol_cv_func_pthread_detach=yes],[ol_cv_func_pthread_detach=no])
+]], [[pthread_detach((pthread_t)-1);]])],[ol_cv_func_pthread_detach=yes],[ol_cv_func_pthread_detach=no])
 			])
 
 			if test $ol_cv_func_pthread_detach = no ; then
-- 
2.37.3

