Index: head/devel/grpc/files/patch-src_core_lib_security_credentials_jwt_jwt__verifier.cc
===================================================================
--- head/devel/grpc/files/patch-src_core_lib_security_credentials_jwt_jwt__verifier.cc	(revision 466202)
+++ head/devel/grpc/files/patch-src_core_lib_security_credentials_jwt_jwt__verifier.cc	(revision 466203)
@@ -1,11 +1,11 @@
 --- src/core/lib/security/credentials/jwt/jwt_verifier.cc.orig	2018-02-01 19:36:08 UTC
 +++ src/core/lib/security/credentials/jwt/jwt_verifier.cc
 @@ -463,7 +463,7 @@ static BIGNUM* bignum_from_base64(const 
    return result;
  }
  
 -#if OPENSSL_VERSION_NUMBER < 0x10100000L
-+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || (defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
  
  // Provide compatibility across OpenSSL 1.02 and 1.1.
  static int RSA_set0_key(RSA* r, BIGNUM* n, BIGNUM* e, BIGNUM* d) {