--- files/patch-src_libstrongswan_plugins_openssl_openssl__plugin.c	(revision 426310)
+++ files/patch-src_libstrongswan_plugins_openssl_openssl__plugin.c	(working copy)
@@ -1,6 +1,17 @@ 
---- src/libstrongswan/plugins/openssl/openssl_plugin.c.orig	2016-06-30 14:20:10 UTC
+--- src/libstrongswan/plugins/openssl/openssl_plugin.c.orig	2016-10-08 12:17:09 UTC
 +++ src/libstrongswan/plugins/openssl/openssl_plugin.c
-@@ -573,7 +573,7 @@ plugin_t *openssl_plugin_create()
+@@ -20,6 +20,10 @@
+ #include <threading/mutex.h>
+ #include <threading/thread_value.h>
+ 
++#ifdef LIBRESSL_VERSION_NUMBER
++#define OPENSSL_VERSION_NUMBER 0x1000107fL
++#endif
++
+ #include <openssl/err.h>
+ #include <openssl/evp.h>
+ #include <openssl/conf.h>
+@@ -623,7 +627,7 @@ plugin_t *openssl_plugin_create()
  		},
  	);