From 509a095d5fc707730cd25cea36fbadb8712da488 Mon Sep 17 00:00:00 2001
From: Bryan Lai <bryanlais@gmail.com>
Date: Thu, 14 May 2026 00:12:00 +0800
Subject: [PATCH] wol: fix clang build with gnu17 flag

Co-authored-by: dotlambda <github@dotlambda.de>
---
 pkgs/by-name/wo/wol/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/wo/wol/package.nix b/pkgs/by-name/wo/wol/package.nix
index f1fc0f08c67d..ba903ed75cdf 100644
--- a/pkgs/by-name/wo/wol/package.nix
+++ b/pkgs/by-name/wo/wol/package.nix
@@ -21,6 +21,11 @@ stdenv.mkDerivation (finalAttrs: {
     ./macos-10_7-getline.patch
   ];
 
+  env = lib.optionalAttrs stdenv.cc.isClang {
+    # wol's bundled gettext sources do not compile as gnu23 with clang.
+    NIX_CFLAGS_COMPILE = "-std=gnu17";
+  };
+
   nativeBuildInputs = [
     perl # for pod2man in order to get a manpage
     autoreconfHook # for the patch