From 81309f27011e43f0a90dde372dc61a46c5d9a74a Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Mon, 29 May 2023 16:05:22 +0900
Subject: [PATCH] Fix detection?

---
 ext/openssl/extconf.rb | 3 +--
 ext/openssl/ossl_ssl.c | 3 ++-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index afd5bfefa..ef21bd5f4 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -18,8 +18,6 @@
 
 Logging::message "=== OpenSSL for Ruby configurator ===\n"
 
-have_func("rb_io_descriptor")
-
 ##
 # Adds -DOSSL_DEBUG for compilation and some more targets when GCC is used
 # To turn it on, use: --with-debug or --enable-debug
@@ -29,6 +27,7 @@
 end
 $defs.push("-D""OPENSSL_SUPPRESS_DEPRECATED")
 
+have_func("rb_io_descriptor")
 have_func("rb_io_maybe_wait(0, Qnil, Qnil, Qnil)", "ruby/io.h") # Ruby 3.1
 
 Logging::message "=== Checking for system dependent stuff... ===\n"
diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index 5a27b0175..b5bd508c7 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -1655,12 +1655,13 @@ ossl_ssl_initialize(int argc, VALUE *argv, VALUE self)
 
 #ifndef HAVE_RB_IO_DESCRIPTOR
 static int
-rb_io_descriptor(VALUE io)
+io_descriptor_fallback(VALUE io)
 {
     rb_io_t *fptr;
     GetOpenFile(io, fptr);
     return fptr->fd;
 }
+#define rb_io_descriptor io_descriptor_fallback
 #endif
 
 static VALUE