From 5f7780c533411c6272fb3ce3875b7843cc2287e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Mon, 16 Jun 2025 07:25:50 +0200
Subject: [PATCH] compiler-rt: Export _fltused for UEFI.

Closes #24148.
---
 lib/compiler_rt.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/compiler_rt.zig b/lib/compiler_rt.zig
index e17dea2b4c..46db464fd9 100644
--- a/lib/compiler_rt.zig
+++ b/lib/compiler_rt.zig
@@ -265,7 +265,8 @@ comptime {
         _ = @import("compiler_rt/ssp.zig");
     }
 
-    if (!builtin.link_libc and builtin.os.tag == .windows and (builtin.abi == .none or builtin.abi == .msvc)) {
+    // Temporarily used for uefi until https://github.com/ziglang/zig/issues/21630 is addressed.
+    if (!builtin.link_libc and (builtin.os.tag == .windows or builtin.os.tag == .uefi) and (builtin.abi == .none or builtin.abi == .msvc)) {
         @export(&_fltused, .{ .name = "_fltused", .linkage = common.linkage, .visibility = common.visibility });
     }
 }