From fab6a64ab0af0a44d7f998f554e2ff49b151ba27 Mon Sep 17 00:00:00 2001
From: Trevor Gross <tmgross@umich.edu>
Date: Wed, 18 Dec 2024 09:02:32 +0000
Subject: [PATCH] Skip `c_char_def` on OpenBSD

Fixes https://github.com/rust-lang/libc/issues/4209

(backport <https://github.com/rust-lang/libc/pull/4210>)
(cherry picked from commit 9ff340933538e23fdf6cc1ecefc810c664bd0ebe)
---
 libc-test/build.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 1879334fb21a..d35101d4cae3 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -647,6 +647,11 @@ fn test_openbsd(target: &str) {
         }
     });
 
+    cfg.skip_type(move |ty| {
+        // `c_char_def` is always public but not always reexported.
+        ty == "c_char_def"
+    });
+
     cfg.type_name(move |ty, is_struct, is_union| {
         match ty {
             // Just pass all these through, no need for a "struct" prefix