Index: head/net/pjsip/files/patch-pjlib_src_pj_ssl__sock__ossl.c
===================================================================
--- head/net/pjsip/files/patch-pjlib_src_pj_ssl__sock__ossl.c	(revision 451733)
+++ head/net/pjsip/files/patch-pjlib_src_pj_ssl__sock__ossl.c	(revision 451734)
@@ -1,47 +1,117 @@
---- pjlib/src/pj/ssl_sock_ossl.c.orig	2017-01-24 05:41:05 UTC
+--- pjlib/src/pj/ssl_sock_ossl.c.orig	2017-09-14 05:03:45 UTC
 +++ pjlib/src/pj/ssl_sock_ossl.c
-@@ -54,7 +54,7 @@
- #include <openssl/engine.h>
+@@ -53,7 +53,7 @@
+ #include <openssl/rand.h>
  #include <openssl/opensslconf.h>
  
 -#if !defined(OPENSSL_NO_EC) && OPENSSL_VERSION_NUMBER >= 0x1000200fL
 +#if !defined(OPENSSL_NO_EC) && OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined(LIBRESSL_VERSION_NUMBER)
  
  #   include <openssl/obj_mac.h>
  
-@@ -112,7 +112,7 @@ static unsigned get_nid_from_cid(unsigned cid)
+@@ -111,7 +111,7 @@ static unsigned get_nid_from_cid(unsigned cid)
  #endif
  
  
 -#if OPENSSL_VERSION_NUMBER >= 0x10100000L
 +#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
  #  define OPENSSL_NO_SSL2	    /* seems to be removed in 1.1.0 */
  #  define M_ASN1_STRING_data(x)	    ASN1_STRING_get0_data(x)
  #  define M_ASN1_STRING_length(x)   ASN1_STRING_length(x)
-@@ -452,7 +452,7 @@ static pj_status_t init_openssl(void)
+@@ -126,7 +126,7 @@ static unsigned get_nid_from_cid(unsigned cid)
  
+ 
+ #ifdef _MSC_VER
+-#  if OPENSSL_VERSION_NUMBER >= 0x10100000L
++#  if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+ #    pragma comment(lib, "libcrypto")
+ #    pragma comment(lib, "libssl")
+ #    pragma comment(lib, "crypt32")
+@@ -535,13 +535,13 @@ static pj_status_t init_openssl(void)
+     pj_assert(status == PJ_SUCCESS);
+ 
+     /* Init OpenSSL lib */
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+     SSL_library_init();
+     SSL_load_error_strings();
+ #else
+     OPENSSL_init_ssl(0, NULL);
+ #endif
+-#if OPENSSL_VERSION_NUMBER < 0x009080ffL
++#if OPENSSL_VERSION_NUMBER < 0x009080ffL || defined(LIBRESSL_VERSION_NUMBER)
+     /* This is now synonym of SSL_library_init() */
+     OpenSSL_add_all_algorithms();
+ #endif
+@@ -556,7 +556,7 @@ static pj_status_t init_openssl(void)
+ 	int nid;
+ 	const char *cname;
+ 
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ 	meth = (SSL_METHOD*)SSLv23_server_method();
+ 	if (!meth)
+ 	    meth = (SSL_METHOD*)TLSv1_server_method();
+@@ -599,7 +599,7 @@ static pj_status_t init_openssl(void)
+ 
  	SSL_set_session(ssl, SSL_SESSION_new());
  
 -#if !defined(OPENSSL_NO_EC) && OPENSSL_VERSION_NUMBER >= 0x1000200fL
 +#if !defined(OPENSSL_NO_EC) && OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined(LIBRESSL_VERSION_NUMBER)
  	openssl_curves_num = SSL_get_shared_curve(ssl,-1);
  	if (openssl_curves_num > PJ_ARRAY_SIZE(openssl_curves))
  	    openssl_curves_num = PJ_ARRAY_SIZE(openssl_curves);
-@@ -1069,7 +1069,7 @@ static pj_status_t set_cipher_list(pj_ssl_sock_t *ssoc
+@@ -768,7 +768,7 @@ static pj_status_t create_ssl(pj_ssl_sock_t *ssock)
+     BIO *bio;
+     DH *dh;
+     long options;
+-#if !defined(OPENSSL_NO_ECDH) && OPENSSL_VERSION_NUMBER >= 0x10000000L
++#if !defined(OPENSSL_NO_ECDH) && OPENSSL_VERSION_NUMBER >= 0x10000000L && !defined(LIBRESSL_VERSION_NUMBER)
+     EC_KEY *ecdh;
+ #endif
+     SSL_METHOD *ssl_method = NULL;
+@@ -791,7 +791,7 @@ static pj_status_t create_ssl(pj_ssl_sock_t *ssock)
+ 	ssock->param.proto = PJ_SSL_SOCK_PROTO_SSL23;
  
+     /* Determine SSL method to use */
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+     switch (ssock->param.proto) {
+     case PJ_SSL_SOCK_PROTO_TLS1:
+ 	ssl_method = (SSL_METHOD*)TLSv1_method();
+@@ -927,7 +927,7 @@ static pj_status_t create_ssl(pj_ssl_sock_t *ssock)
+ 		    if (dh != NULL) {
+ 			if (SSL_CTX_set_tmp_dh(ctx, dh)) {
+ 			    options = SSL_OP_CIPHER_SERVER_PREFERENCE |
+-    #if !defined(OPENSSL_NO_ECDH) && OPENSSL_VERSION_NUMBER >= 0x10000000L
++    #if !defined(OPENSSL_NO_ECDH) && OPENSSL_VERSION_NUMBER >= 0x10000000L && !defined(LIBRESSL_VERSION_NUMBER)
+ 				      SSL_OP_SINGLE_ECDH_USE |
+     #endif
+ 				      SSL_OP_SINGLE_DH_USE;
+@@ -995,7 +995,7 @@ static pj_status_t create_ssl(pj_ssl_sock_t *ssock)
+ 	if (SSL_CTX_ctrl(ctx, SSL_CTRL_SET_ECDH_AUTO, 1, NULL)) {
+ 	    PJ_LOG(4,(ssock->pool->obj_name, "SSL ECDH initialized "
+ 		      "(automatic), faster PFS ciphers enabled"));
+-    #if !defined(OPENSSL_NO_ECDH) && OPENSSL_VERSION_NUMBER >= 0x10000000L
++    #if !defined(OPENSSL_NO_ECDH) && OPENSSL_VERSION_NUMBER >= 0x10000000L && !defined(LIBRESSL_VERSION_NUMBER)
+ 	} else {
+ 	    /* enables AES-128 ciphers, to get AES-256 use NID_secp384r1 */
+ 	    ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
+@@ -1228,7 +1228,7 @@ static pj_status_t set_cipher_list(pj_ssl_sock_t *ssoc
+ 
  static pj_status_t set_curves_list(pj_ssl_sock_t *ssock)
  {
 -#if !defined(OPENSSL_NO_EC) && OPENSSL_VERSION_NUMBER >= 0x1000200fL
 +#if !defined(OPENSSL_NO_EC) && OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined(LIBRESSL_VERSION_NUMBER)
      int ret;
      int curves[PJ_SSL_SOCK_MAX_CURVES];
      unsigned cnt;
-@@ -1100,7 +1100,7 @@ static pj_status_t set_curves_list(pj_ssl_sock_t *ssoc
+@@ -1259,7 +1259,7 @@ static pj_status_t set_curves_list(pj_ssl_sock_t *ssoc
  
  static pj_status_t set_sigalgs(pj_ssl_sock_t *ssock)
  {
 -#if OPENSSL_VERSION_NUMBER >= 0x1000200fL
 +#if OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined(LIBRESSL_VERSION_NUMBER)
      int ret;
  
      if (ssock->param.sigalgs.ptr && ssock->param.sigalgs.slen) {