From e12ee79b467ca32a5c723ec47e97a87e84829479 Mon Sep 17 00:00:00 2001
From: Theo Buehler <tb@openbsd.org>
Date: Sun, 21 Jan 2024 18:34:26 +0100
Subject: [PATCH] Make _STACK opaque for LibreSSL >= 3.9.0

---
 openssl-sys/src/handwritten/stack.rs | 2 ++
 openssl-sys/src/macros.rs            | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/openssl-sys/src/handwritten/stack.rs b/openssl-sys/src/handwritten/stack.rs
index 7f2feef6d7..7bc81359d8 100644
--- a/openssl-sys/src/handwritten/stack.rs
+++ b/openssl-sys/src/handwritten/stack.rs
@@ -3,6 +3,8 @@ use libc::*;
 cfg_if! {
     if #[cfg(ossl110)] {
         pub enum OPENSSL_STACK {}
+    } else if #[cfg(libressl390)] {
+        pub enum _STACK {}
     } else {
         #[repr(C)]
         pub struct _STACK {
diff --git a/openssl-sys/src/macros.rs b/openssl-sys/src/macros.rs
index 96523db8f4..e1c1427c67 100644
--- a/openssl-sys/src/macros.rs
+++ b/openssl-sys/src/macros.rs
@@ -58,7 +58,7 @@ macro_rules! cfg_if {
 macro_rules! stack {
     ($t:ident) => {
         cfg_if! {
-            if #[cfg(ossl110)] {
+            if #[cfg(any(ossl110, libressl390))] {
                 pub enum $t {}
             } else {
                 #[repr(C)]