--- vendor/openssl-sys/build/cfgs.rs.orig	2019-04-25 01:45:36.000000000 +0300
+++ vendor/openssl-sys/build/cfgs.rs	2019-05-02 20:16:08.086795000 +0300
@@ -13,6 +13,9 @@
         if libressl_version >= 0x2_07_00_00_0 {
             cfgs.push("libressl270");
         }
+        if libressl_version >= 0x2_07_01_00_0 {
+            cfgs.push("libressl271");
+        }
         if libressl_version >= 0x2_07_03_00_0 {
             cfgs.push("libressl273");
         }
@@ -22,6 +25,9 @@
         if libressl_version >= 0x2_08_01_00_0 {
             cfgs.push("libressl281");
         }
+        if libressl_version >= 0x2_09_01_00_0 {
+            cfgs.push("libressl291");
+        }
     } else {
         let openssl_version = openssl_version.unwrap();
 
--- vendor/openssl-sys/build/main.rs.orig	2019-04-25 01:45:36.000000000 +0300
+++ vendor/openssl-sys/build/main.rs	2019-05-02 20:17:29.983045000 +0300
@@ -505,6 +199,7 @@
             (8, 1) => ('8', '1'),
             (8, _) => ('8', 'x'),
             (9, 0) => ('9', '0'),
+            (9, _) => ('9', 'x'),
             _ => version_error(),
         };
 
@@ -545,7 +240,7 @@
         "
 
 This crate is only compatible with OpenSSL 1.0.1 through 1.1.1, or LibreSSL 2.5
-through 2.9.0, but a different version of OpenSSL was found. The build is now aborting
+through 2.9.x, but a different version of OpenSSL was found. The build is now aborting
 due to this version mismatch.
 
 "
--- vendor/openssl-sys/src/crypto.rs.orig	2019-04-25 01:45:36.000000000 +0300
+++ vendor/openssl-sys/src/crypto.rs	2019-05-02 20:18:55.839764000 +0300
@@ -15,7 +15,13 @@
     if #[cfg(ossl110)] {
         pub const CRYPTO_EX_INDEX_SSL: c_int = 0;
         pub const CRYPTO_EX_INDEX_SSL_CTX: c_int = 1;
-
+    } else if #[cfg(libressl)] {
+        pub const CRYPTO_EX_INDEX_SSL: c_int = 1;
+        pub const CRYPTO_EX_INDEX_SSL_CTX: c_int = 2;
+    }
+}
+cfg_if! {
+    if #[cfg(any(ossl110, libressl271))] {
         extern "C" {
             pub fn OpenSSL_version_num() -> c_ulong;
             pub fn OpenSSL_version(key: c_int) -> *const c_char;
@@ -64,7 +70,7 @@
     argp: *mut c_void,
 );
 extern "C" {
-    #[cfg(ossl110)]
+    #[cfg(any(ossl110, libressl))]
     pub fn CRYPTO_get_ex_new_index(
         class_index: c_int,
         argl: c_long,
--- vendor/openssl-sys/src/ssl.rs.orig	2019-04-25 01:45:36.000000000 +0300
+++ vendor/openssl-sys/src/ssl.rs	2019-05-02 20:20:24.648938000 +0300
@@ -1032,7 +1057,7 @@
 }
 
 cfg_if! {
-    if #[cfg(ossl110)] {
+    if #[cfg(any(ossl110, libressl291))] {
         extern "C" {
             pub fn TLS_method() -> *const SSL_METHOD;
 
--- vendor/openssl/build.rs.orig	2019-04-25 01:45:36.000000000 +0300
+++ vendor/openssl/build.rs	2019-05-02 20:22:09.179415000 +0300
@@ -46,12 +46,20 @@
             println!("cargo:rustc-cfg=libressl270");
         }
 
+        if version >= 0x2_07_01_00_0 {
+            println!("cargo:rustc-cfg=libressl271");
+        }
+
         if version >= 0x2_07_03_00_0 {
             println!("cargo:rustc-cfg=libressl273");
         }
 
         if version >= 0x2_08_00_00_0 {
             println!("cargo:rustc-cfg=libressl280");
+        }
+
+        if version >= 0x2_09_01_00_0 {
+            println!("cargo:rustc-cfg=libressl291");
         }
     }
 }
--- vendor/openssl/src/ssl/mod.rs.orig	2019-04-25 01:45:36.000000000 +0300
+++ vendor/openssl/src/ssl/mod.rs	2019-05-02 20:23:48.173892000 +0300
@@ -3690,9 +3831,14 @@
 }
 
 cfg_if! {
-    if #[cfg(ossl110)] {
+    if #[cfg(any(ossl110, libressl291))] {
         use ffi::{TLS_method, DTLS_method};
-
+    } else {
+        use ffi::{SSLv23_method as TLS_method, DTLSv1_method as DTLS_method};
+    }
+}
+cfg_if! {
+    if #[cfg(ossl110)] {
         unsafe fn get_new_idx(f: ffi::CRYPTO_EX_free) -> c_int {
             ffi::CRYPTO_get_ex_new_index(
                 ffi::CRYPTO_EX_INDEX_SSL_CTX,
@@ -3715,8 +3861,6 @@
             )
         }
     } else {
-        use ffi::{SSLv23_method as TLS_method, DTLSv1_method as DTLS_method};
-
         unsafe fn get_new_idx(f: ffi::CRYPTO_EX_free) -> c_int {
             ffi::SSL_CTX_get_ex_new_index(0, ptr::null_mut(), None, None, Some(f))
         }
--- vendor/openssl/src/version.rs.orig	2019-04-25 01:45:36.000000000 +0300
+++ vendor/openssl/src/version.rs	2019-05-02 20:25:40.705066000 +0300
@@ -14,7 +14,7 @@
 use std::ffi::CStr;
 
 cfg_if! {
-    if #[cfg(ossl110)] {
+    if #[cfg(any(ossl110, libressl271))] {
         use ffi::{
             OPENSSL_VERSION, OPENSSL_CFLAGS, OPENSSL_BUILT_ON, OPENSSL_PLATFORM, OPENSSL_DIR,
             OpenSSL_version_num, OpenSSL_version,