From c77094415f196153a8377f23487d67b2692a1aab Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sun, 1 Aug 2004 21:24:34 +0000
Subject: [PATCH] Cygwin fix-up for shared build.

---
 crypto/cryptlib.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index e0380a38f4..419d37ca5d 100644
--- a/crypto/cryptlib.c
+++ b/crypto/cryptlib.c
@@ -572,6 +572,10 @@ void OPENSSL_cpuid_setup() {}
 #endif
 
 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_DLL)
+#ifdef __CYGWIN__
+/* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
+#include <windows.h>
+#endif
 
 /* All we really need to do is remove the 'error' state when a thread
  * detaches */
-- 
2.40.0