From 14d16bdb1ad8e98d76ec2c43b2c1c412ff707d0b Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Fri, 21 Jul 2023 16:42:42 +0200
Subject: [PATCH] [ruby/openssl] Always respect the openssl prefix chosen by
 truffle/openssl-prefix on TruffleRuby

* See https://github.com/ruby/openssl/issues/650#issuecomment-1645699608

https://github.com/ruby/openssl/commit/ca738e7e13
---
 ext/openssl/extconf.rb | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index 551c470a70..368145d23a 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -13,7 +13,14 @@
 
 require "mkmf"
 
-dir_config_given = dir_config("openssl").any?
+if defined?(::TruffleRuby)
+  # Always respect the openssl prefix chosen by truffle/openssl-prefix
+  require 'truffle/openssl-prefix'
+  dir_config_given = dir_config("openssl", ENV["OPENSSL_PREFIX"]).any?
+else
+  dir_config_given = dir_config("openssl").any?
+end
+
 dir_config("kerberos")
 
 Logging::message "=== OpenSSL for Ruby configurator ===\n"