From e97d07aa6950e7120d22445606ee565b0d1ffbb7 Mon Sep 17 00:00:00 2001
From: Alan Somers <asomers@gmail.com>
Date: Fri, 17 Sep 2021 16:58:21 -0600
Subject: [PATCH 1/2] Raise libc's FreeBSD ABI to 12

FreeBSD 11 was EoL on 30-Sept-2021.  Update libc's ABI to 12.  That
version includes significant changes, such as 64-bit inodes.

(backport <https://github.com/rust-lang/libc/pull/2406>)
(cherry picked from commit 4bafe6b1df5ca3edac9ebc2d63d811d84a972a08)
---
 build.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/build.rs b/build.rs
index 163735ac4cad..dddbe9360fab 100644
--- a/build.rs
+++ b/build.rs
@@ -58,7 +58,7 @@ fn main() {
     let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap_or_default();
 
     // The ABI of libc used by std is backward compatible with FreeBSD 12.
-    // The ABI of libc from crates.io is backward compatible with FreeBSD 11.
+    // The ABI of libc from crates.io is backward compatible with FreeBSD 12.
     //
     // On CI, we detect the actual FreeBSD version and match its ABI exactly,
     // running tests to ensure that the ABI is correct.
@@ -69,11 +69,11 @@ fn main() {
         println!("cargo:warning=setting FreeBSD version to {vers}");
         vers
     } else if libc_ci {
-        which_freebsd().unwrap_or(11)
+        which_freebsd().unwrap_or(12)
     } else if rustc_dep_of_std {
         12
     } else {
-        11
+        12
     };
 
     match which_freebsd {

From f1fe193f92daf44f1455aeccb540260f87fe15fe Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Mon, 15 Sep 2025 15:12:07 +0800
Subject: [PATCH 2/2] build.rs: Avoid duplicate branch in FreeBSD version
 handling

---
 build.rs | 2 --
 1 file changed, 2 deletions(-)

diff --git a/build.rs b/build.rs
index dddbe9360fab..ba1b1df52797 100644
--- a/build.rs
+++ b/build.rs
@@ -70,8 +70,6 @@ fn main() {
         vers
     } else if libc_ci {
         which_freebsd().unwrap_or(12)
-    } else if rustc_dep_of_std {
-        12
     } else {
         12
     };