From 01d81d19915eb931773e095c2aee46c16c441e23 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 29 Jul 2018 08:13:05 +0000
Subject: [PATCH] reduce LibreSSL warnings

* ext/openssl/extconf.rb: LibreSSL headers emit "overriding WinCrypt
  defines" warnings if wincrypt.h has been included (except for
  x509.h) on Windows.  get rid of including the header by defining
  NOCRYPT macro.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64101 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/openssl/extconf.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index 8d705f3e5b..cefa295a52 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -114,6 +114,10 @@ engines.each { |name|
   OpenSSL.check_func_or_macro("ENGINE_load_#{name}", "openssl/engine.h")
 }
 
+if ($mswin || $mingw) && have_macro("LIBRESSL_VERSION_NUMBER")
+  $defs.push("-DNOCRYPT")
+end
+
 # added in 1.0.2
 have_func("EC_curve_nist2nid")
 have_func("X509_REVOKED_dup")