From 0ea6bd08d89f8e427a46e9413b2bb722302e33a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sun, 30 Nov 2025 22:34:52 +0100
Subject: [PATCH] std.zig.LibCDirs: add openbsd support

---
 lib/std/zig/LibCDirs.zig | 3 +++
 lib/std/zig/target.zig   | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/lib/std/zig/LibCDirs.zig b/lib/std/zig/LibCDirs.zig
index fa297cd53a..bcd8657063 100644
--- a/lib/std/zig/LibCDirs.zig
+++ b/lib/std/zig/LibCDirs.zig
@@ -176,6 +176,8 @@ pub fn detectFromBuilding(
         std.zig.target.freebsdArchNameHeaders(target.cpu.arch)
     else if (target.isNetBSDLibC())
         std.zig.target.netbsdArchNameHeaders(target.cpu.arch)
+    else if (target.isOpenBSDLibC())
+        std.zig.target.openbsdArchNameHeaders(target.cpu.arch)
     else
         @tagName(target.cpu.arch);
     const os_name = @tagName(target.os.tag);
@@ -230,6 +232,7 @@ fn libCGenericName(target: *const std.Target) [:0]const u8 {
         .driverkit, .ios, .maccatalyst, .macos, .tvos, .visionos, .watchos => return "darwin",
         .freebsd => return "freebsd",
         .netbsd => return "netbsd",
+        .openbsd => return "openbsd",
         else => {},
     }
     switch (target.abi) {
diff --git a/lib/std/zig/target.zig b/lib/std/zig/target.zig
index d1d39948c4..498f89d257 100644
--- a/lib/std/zig/target.zig
+++ b/lib/std/zig/target.zig
@@ -278,6 +278,12 @@ pub fn netbsdAbiNameHeaders(abi: std.Target.Abi) [:0]const u8 {
     };
 }
 
+pub fn openbsdArchNameHeaders(arch: std.Target.Cpu.Arch) [:0]const u8 {
+    return switch (arch) {
+        else => @tagName(arch),
+    };
+}
+
 pub fn isLibCLibName(target: *const std.Target, name: []const u8) bool {
     const ignore_case = target.os.tag.isDarwin() or target.os.tag == .windows;