--- src/_cffi_src/openssl/cryptography.py.orig 2019-02-27 23:27:53 UTC

+++ src/_cffi_src/openssl/cryptography.py

@@ -38,9 +38,12 @@ INCLUDES = """

     (LIBRESSL_VERSION_NUMBER >= 0x2070000f)

 #define CRYPTOGRAPHY_LIBRESSL_28_OR_GREATER \

     (LIBRESSL_VERSION_NUMBER >= 0x2080000f)

+#define CRYPTOGRAPHY_LIBRESSL_291_OR_GREATER \

+    (LIBRESSL_VERSION_NUMBER >= 0x2090100f)

 #else

 #define CRYPTOGRAPHY_LIBRESSL_27_OR_GREATER (0)

 #define CRYPTOGRAPHY_LIBRESSL_28_OR_GREATER (0)

+#define CRYPTOGRAPHY_LIBRESSL_291_OR_GREATER (0)

 #endif

 #define CRYPTOGRAPHY_OPENSSL_102_OR_GREATER \

--- src/_cffi_src/openssl/ssl.py.orig  2019-02-27 23:27:53 UTC

+++ src/_cffi_src/openssl/ssl.py

@@ -719,17 +719,20 @@ static const long TLS_ST_BEFORE = 0;

 static const long TLS_ST_OK = 0;

 #endif

-#if CRYPTOGRAPHY_OPENSSL_LESS_THAN_102

+/* LibreSSL 2.9.1 added only the DTLS_*_method functions */

+#if CRYPTOGRAPHY_OPENSSL_LESS_THAN_102 && !CRYPTOGRAPHY_LIBRESSL_291_OR_GREATER

 static const long Cryptography_HAS_GENERIC_DTLS_METHOD = 0;

 const SSL_METHOD *(*DTLS_method)(void) = NULL;

 const SSL_METHOD *(*DTLS_server_method)(void) = NULL;

 const SSL_METHOD *(*DTLS_client_method)(void) = NULL;

+#else

+static const long Cryptography_HAS_GENERIC_DTLS_METHOD = 1;

+#endif

+#if CRYPTOGRAPHY_OPENSSL_LESS_THAN_102

 static const long SSL_OP_NO_DTLSv1 = 0;

 static const long SSL_OP_NO_DTLSv1_2 = 0;

 long (*DTLS_set_link_mtu)(SSL *, long) = NULL;

 long (*DTLS_get_link_min_mtu)(SSL *) = NULL;

-#else

-static const long Cryptography_HAS_GENERIC_DTLS_METHOD = 1;

 #endif

 static const long Cryptography_HAS_DTLS = 1;