From 87208cc7daf6542a9be4701a97db7a42d02ec951 Mon Sep 17 00:00:00 2001
From: Nikolay Korotkiy <sikmir@disroot.org>
Date: Tue, 7 Feb 2023 02:10:23 +0300
Subject: [PATCH] mapcache: fix build on darwin

---
 pkgs/servers/geospatial/mapcache/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/servers/geospatial/mapcache/default.nix b/pkgs/servers/geospatial/mapcache/default.nix
index eea321abb22f..781edfce98c8 100644
--- a/pkgs/servers/geospatial/mapcache/default.nix
+++ b/pkgs/servers/geospatial/mapcache/default.nix
@@ -48,6 +48,8 @@ stdenv.mkDerivation rec {
     "-DAPACHE_MODULE_DIR=${placeholder "out"}/modules"
   ];
 
+  NIX_CFLAGS_COMPILE = "-std=c99";
+
   meta = with lib; {
     description = "A server that implements tile caching to speed up access to WMS layers";
     homepage = "https://mapserver.org/mapcache/";