From f82bde1c02a053294e0609cb21358e5b0810a3cc Mon Sep 17 00:00:00 2001
From: Technorama team <oss-ruby@technorama.net>
Date: Sun, 27 Jun 2004 06:33:35 +0000
Subject: add support for older openssl versions

---
 extconf.rb        | 1 +
 openssl_missing.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/extconf.rb b/extconf.rb
index 641b7c2..4eacab7 100644
--- a/extconf.rb
+++ b/extconf.rb
@@ -73,6 +73,7 @@ have_func("BN_mod_sub")
 have_func("BN_pseudo_rand_range")
 have_func("BN_rand_range")
 have_func("CONF_get1_default_config_file")
+have_func("ENGINE_add")
 have_func("EVP_CIPHER_CTX_copy")
 have_func("EVP_CIPHER_CTX_set_padding")
 have_func("EVP_CipherInit_ex")
diff --git a/openssl_missing.c b/openssl_missing.c
index 0896437..e5c77f9 100644
--- a/openssl_missing.c
+++ b/openssl_missing.c
@@ -123,6 +123,7 @@ EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, EVP_CIPHER_CTX *in)
 {
 	memcpy(out, in, sizeof(EVP_CIPHER_CTX));
 
+#ifdef HAVE_ENGINE_ADD
 	if (out->engine)
 		ENGINE_add(out->engine);
 
@@ -130,6 +131,7 @@ EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, EVP_CIPHER_CTX *in)
 		out->cipher_data = OPENSSL_malloc(out->cipher->ctx_size);
 		memcpy(out->cipher_data, in->cipher_data, out->cipher->ctx_size);
 	}
+#endif
 
 	return 1;
 }
-- 
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