From 8d742758de79717be57b6049bc4087e6f94cb8d8 Mon Sep 17 00:00:00 2001
From: Mauricio Collares <mauricio@collares.org>
Date: Mon, 16 Sep 2024 13:01:52 +0200
Subject: [PATCH] symmetrica: compile for c99

---
 pkgs/applications/science/math/symmetrica/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/applications/science/math/symmetrica/default.nix b/pkgs/applications/science/math/symmetrica/default.nix
index d6ec352d32a2..f215ec0037d4 100644
--- a/pkgs/applications/science/math/symmetrica/default.nix
+++ b/pkgs/applications/science/math/symmetrica/default.nix
@@ -23,6 +23,10 @@ stdenv.mkDerivation rec {
     autoreconfHook
   ];
 
+  # clang warning: passing arguments to '...' without a prototype is deprecated
+  # in all versions of C and is not supported in C23.
+  CFLAGS = "-std=c99 -Wno-deprecated-non-prototype";
+
   enableParallelBuilding = true;
 
   meta = with lib; {