From 9fd154c7a912aa44ebb78b1672421fff9169779e Mon Sep 17 00:00:00 2001
From: Christoph Jabs <christoph.jabs@helsinki.fi>
Date: Wed, 25 Mar 2026 09:40:07 +0200
Subject: [PATCH] mftrace: patch for GCC15 to fix linux build

---
 pkgs/by-name/mf/mftrace/package.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/by-name/mf/mftrace/package.nix b/pkgs/by-name/mf/mftrace/package.nix
index 13810a4c2e4e..98aafdba2ee4 100644
--- a/pkgs/by-name/mf/mftrace/package.nix
+++ b/pkgs/by-name/mf/mftrace/package.nix
@@ -8,6 +8,7 @@
   fontforge,
   potrace,
   texlive,
+  fetchpatch2,
 }:
 
 /*
@@ -34,6 +35,14 @@ stdenv.mkDerivation (finalAttrs: {
     sha256 = "02ik25aczkbi10jrjlnxby3fmixxrwm2k5r4fkfif3bjfym7nqbc";
   };
 
+  patches = [
+    (fetchpatch2 {
+      name = "gcc-15.patch";
+      url = "https://salsa.debian.org/debian/mftrace/-/raw/628987e5ce8bdab737f9fbc730a75fdd29ce81d2/debian/patches/gcc-15.patch";
+      hash = "sha256-eTDohSGzy2hxZmpAXiYaAk3DBnrXduNum0fO6bHGUQw=";
+    })
+  ];
+
   nativeBuildInputs = [
     makeWrapper
     autoreconfHook