From 4d83202cb5a911c05e58aa1cc53d5556a3bd0c32 Mon Sep 17 00:00:00 2001
From: Theo Buehler <tb@openbsd.org>
Date: Sat, 9 Dec 2023 19:27:37 +0100
Subject: [PATCH] X509V3_EXT_add_alias() will be removed

---
 openssl-sys/src/handwritten/x509v3.rs | 1 +
 openssl/build.rs                      | 3 +++
 openssl/src/x509/mod.rs               | 1 +
 3 files changed, 5 insertions(+)

diff --git a/openssl-sys/src/handwritten/x509v3.rs b/openssl-sys/src/handwritten/x509v3.rs
index 2f59bf6663..1a548c0e25 100644
--- a/openssl-sys/src/handwritten/x509v3.rs
+++ b/openssl-sys/src/handwritten/x509v3.rs
@@ -84,6 +84,7 @@ const_ptr_api! {
 }
 
 extern "C" {
+    #[cfg(not(libressl390))]
     pub fn X509V3_EXT_add_alias(nid_to: c_int, nid_from: c_int) -> c_int;
     pub fn X509V3_EXT_d2i(ext: *mut X509_EXTENSION) -> *mut c_void;
     pub fn X509V3_EXT_i2d(ext_nid: c_int, crit: c_int, ext: *mut c_void) -> *mut X509_EXTENSION;
diff --git a/openssl/build.rs b/openssl/build.rs
index 87a9fa06f5..7677abc086 100644
--- a/openssl/build.rs
+++ b/openssl/build.rs
@@ -72,6 +72,9 @@ fn main() {
         if version >= 0x3_08_02_00_0 {
             println!("cargo:rustc-cfg=libressl382");
         }
+        if version >= 0x3_09_00_00_0 {
+            println!("cargo:rustc-cfg=libressl390");
+        }
     }
 
     if let Ok(vars) = env::var("DEP_OPENSSL_CONF") {
diff --git a/openssl/src/x509/mod.rs b/openssl/src/x509/mod.rs
index c918fed667..115193ee05 100644
--- a/openssl/src/x509/mod.rs
+++ b/openssl/src/x509/mod.rs
@@ -1018,6 +1018,7 @@ impl X509Extension {
     /// # Safety
     ///
     /// This method modifies global state without locking and therefore is not thread safe
+    #[cfg(not(libressl390))]
     #[corresponds(X509V3_EXT_add_alias)]
     #[deprecated(
         note = "Use x509::extension types or new_from_der and then this is not necessary",