From 174458b31decd63aac233fecc903c3e906a337b3 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Tue, 9 May 2023 19:56:19 +0300
Subject: [PATCH] xml-tooling-c: fix build on darwin

---
 pkgs/development/libraries/xml-tooling-c/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/xml-tooling-c/default.nix b/pkgs/development/libraries/xml-tooling-c/default.nix
index dcd35d187f9..b1ae52a8c77 100644
--- a/pkgs/development/libraries/xml-tooling-c/default.nix
+++ b/pkgs/development/libraries/xml-tooling-c/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ boost curl openssl log4shib xercesc xml-security-c ];
   nativeBuildInputs = [ autoreconfHook pkg-config ];
 
-  env.NIX_CFLAGS_COMPILE = toString [ "-std=c++14" ];
+  env.NIX_CFLAGS_COMPILE = lib.optionalString (!stdenv.isDarwin) "-std=c++14";
 
   enableParallelBuilding = true;