From daa85758e490ec9e4f9b2cf3b19e3bb9bba9a1bd Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Sun, 4 Jan 2026 13:38:02 +0100
Subject: [PATCH] kakasi: fix build for gcc15

---
 pkgs/by-name/ka/kakasi/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/ka/kakasi/package.nix b/pkgs/by-name/ka/kakasi/package.nix
index 7064324c6a85..f607dd1d74b2 100644
--- a/pkgs/by-name/ka/kakasi/package.nix
+++ b/pkgs/by-name/ka/kakasi/package.nix
@@ -39,6 +39,10 @@ stdenv.mkDerivation rec {
     ./gettext-0.25.patch
   ];
 
+  env = lib.optionalAttrs (!stdenv.cc.isClang) {
+    NIX_CFLAGS_COMPILE = "-std=gnu17";
+  };
+
   postPatch = ''
     for a in tests/kakasi-* ; do
       substituteInPlace $a \