$OpenBSD: patch-src_vendor_openssl-sys_build_main_rs,v 1.1 2018/09/16 16:35:27 landry Exp $
The LibreSSL version in -current isn't explicitly supported.
Index: src/vendor/openssl-sys/build/main.rs
--- src/vendor/openssl-sys/build/main.rs.orig
+++ src/vendor/openssl-sys/build/main.rs
@@ -497,7 +497,7 @@ See rust-openssl README for more information:
             (6, 2) => ('6', '2'),
             (6, _) => ('6', 'x'),
             (7, _) => ('7', 'x'),
-            _ => version_error(),
+            _ => ('7', 'x'),
         };
 
         println!("cargo:libressl=true");
