From 91fd5cfa79626e2b74414357cb84a006c00b3b6a Mon Sep 17 00:00:00 2001
From: Bobby Rong <rjl931189261@126.com>
Date: Sun, 7 Jan 2024 12:40:26 +0800
Subject: [PATCH] libgweather: Fix darwin build

https://hydra.nixos.org/build/243158351/nixlog/1
---
 pkgs/development/libraries/libgweather/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/libraries/libgweather/default.nix b/pkgs/development/libraries/libgweather/default.nix
index 0ce3450f053e..53c4b5f259b7 100644
--- a/pkgs/development/libraries/libgweather/default.nix
+++ b/pkgs/development/libraries/libgweather/default.nix
@@ -65,6 +65,8 @@ stdenv.mkDerivation rec {
   mesonFlags = [
     "-Dzoneinfo_dir=${tzdata}/share/zoneinfo"
     (lib.mesonBool "introspection" withIntrospection)
+  ] ++ lib.optionals stdenv.isDarwin [
+    "-Dc_args=-D_DARWIN_C_SOURCE"
   ];
 
   postPatch = ''