From a9d1c6acb2b3b1c85672461ecf0bb7d871767e44 Mon Sep 17 00:00:00 2001
From: Alex Rønne Petersen <alex@alexrp.com>
Date: Sat, 21 Sep 2024 01:20:36 +0200
Subject: libunwind: Use `-Wno-dll-attribute-on-redeclaration` for Windows like
 upstream.

This silences a bunch of noisy warnings when building libunwind.
---
 src/libunwind.zig | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/libunwind.zig b/src/libunwind.zig
index 605206467c..5eb19e8d67 100644
--- a/src/libunwind.zig
+++ b/src/libunwind.zig
@@ -143,6 +143,10 @@ pub fn buildStaticLib(comp: *Compilation, prog_node: std.Progress.Node) BuildErr
         try cflags.append("-Wno-visibility");
         try cflags.append("-Wno-incompatible-pointer-types");
 
+        if (target.os.tag == .windows) {
+            try cflags.append("-Wno-dll-attribute-on-redeclaration");
+        }
+
         c_source_files[i] = .{
             .src_path = try comp.zig_lib_directory.join(arena, &[_][]const u8{unwind_src}),
             .extra_flags = cflags.items,
-- 
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