From 3f13584af6c4074846807fba426bf82f80f47a06 Mon Sep 17 00:00:00 2001
From: annalee <150648636+a-n-n-a-l-e-e@users.noreply.github.com>
Date: Sun, 26 Nov 2023 09:31:01 +0000
Subject: [PATCH] libxmlxx: code predates c++17, use -std=c++11; fix darwin

code from is from 2015
https://download.gnome.org/sources/libxml++/2.40/
---
 pkgs/development/libraries/libxmlxx/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/libraries/libxmlxx/default.nix b/pkgs/development/libraries/libxmlxx/default.nix
index 717ef7c70bde..9ec4090f60f0 100644
--- a/pkgs/development/libraries/libxmlxx/default.nix
+++ b/pkgs/development/libraries/libxmlxx/default.nix
@@ -9,6 +9,11 @@ stdenv.mkDerivation rec {
     sha256 = "1sb3akryklvh2v6m6dihdnbpf1lkx441v972q9hlz1sq6bfspm2a";
   };
 
+  configureFlags = [
+    # remove if library is updated
+    "CXXFLAGS=-std=c++11"
+  ];
+
   outputs = [ "out" "devdoc" ];
 
   nativeBuildInputs = [ pkg-config perl ];