From 523e54c15cfadb8c19f6a181b9a69aabd9f58453 Mon Sep 17 00:00:00 2001
From: "J.W. Jagersma" <jwjagersma@gmail.com>
Date: Sat, 1 Oct 2022 19:01:40 +0200
Subject: [PATCH] Define threads_lib.c functions only for OPENSSL_SYS_UNIX

This matches the declaration in <openssl/crypto.h>.

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19322)
---
 crypto/threads_lib.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crypto/threads_lib.c b/crypto/threads_lib.c
index 0c7162392d..240ef726ec 100644
--- a/crypto/threads_lib.c
+++ b/crypto/threads_lib.c
@@ -8,7 +8,8 @@
  */
 #include <openssl/crypto.h>
 
-#ifndef OPENSSL_NO_DEPRECATED_3_0
+#ifdef OPENSSL_SYS_UNIX
+# ifndef OPENSSL_NO_DEPRECATED_3_0
 
 void OPENSSL_fork_prepare(void)
 {
@@ -22,4 +23,5 @@ void OPENSSL_fork_child(void)
 {
 }
 
+# endif
 #endif