From 54d322cd35fd0e58a7b15df93380763ef6f24841 Mon Sep 17 00:00:00 2001
From: "W.C.A. Wijngaards" <wouter@nlnetlabs.nl>
Date: Wed, 9 May 2018 14:58:06 +0200
Subject: [PATCH] update acx_nlnetlabs with ws2_32 link.

---
 acx_nlnetlabs.m4 | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/acx_nlnetlabs.m4 b/acx_nlnetlabs.m4
index a6c174f1..8eccc15b 100644
--- a/acx_nlnetlabs.m4
+++ b/acx_nlnetlabs.m4
@@ -688,8 +688,8 @@ AC_DEFUN([ACX_SSL_CHECKS], [
                 # check if -lwsock32 or -lgdi32 are needed.	
                 BAKLIBS="$LIBS"
                 BAKSSLLIBS="$LIBSSL_LIBS"
-                LIBS="$LIBS -lgdi32"
-                LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32"
+		LIBS="$LIBS -lgdi32 -lws2_32"
+		LIBSSL_LIBS="$LIBSSL_LIBS -lgdi32 -lws2_32"
                 AC_MSG_CHECKING([if -lcrypto needs -lgdi32])
                 AC_TRY_LINK([], [
                     int HMAC_Update(void);
@@ -839,7 +839,11 @@ dnl see if on windows
 if test "$ac_cv_header_windows_h" = "yes"; then
 	AC_DEFINE(USE_WINSOCK, 1, [Whether the windows socket API is used])
 	USE_WINSOCK="1"
-	LIBS="$LIBS -lws2_32"
+	if echo $LIBS | grep 'lws2_32' >/dev/null; then
+		:
+	else
+		LIBS="$LIBS -lws2_32"
+	fi
 fi
 ],
 dnl no quick getaddrinfo, try mingw32 and winsock2 library.
-- 
2.47.3