From b1e97ece9c495ac67e54b8c2675b1eacc645eb1c Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@tinc-vpn.org>
Date: Thu, 21 Jun 2001 16:37:05 +0000
Subject: [PATCH] Check for and add -ldl.

---
 m4/openssl.m4 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/m4/openssl.m4 b/m4/openssl.m4
index bf5ce9fc..5d91a789 100644
--- a/m4/openssl.m4
+++ b/m4/openssl.m4
@@ -28,4 +28,9 @@ AC_DEFUN(tinc_OPENSSL,
     [LIBS="$LIBS -lcrypto"],
     [AC_MSG_ERROR("OpenSSL libraries not found.")]
   )
+
+  AC_CHECK_LIB(dl, dlopen,
+    [LIBS="$LIBS -ldl"],
+    [AC_MSG_ERROR("OpenSSL depends on libdl.")]
+  )
 ])
-- 
2.20.1