From 8a927a4dc50bbd61a30a79890e403b21ac79d30f Mon Sep 17 00:00:00 2001
From: Justin Chen <42143810+StarryReverie@users.noreply.github.com>
Date: Sat, 3 Jan 2026 12:28:32 +0800
Subject: [PATCH] gfxreconstruct: fix build with CMake and GCC 15

---
 pkgs/by-name/gf/gfxreconstruct/package.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/by-name/gf/gfxreconstruct/package.nix b/pkgs/by-name/gf/gfxreconstruct/package.nix
index 18b0fbc2b54c..b04642602e79 100644
--- a/pkgs/by-name/gf/gfxreconstruct/package.nix
+++ b/pkgs/by-name/gf/gfxreconstruct/package.nix
@@ -28,6 +28,14 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
+  cmakeFlags = [
+    # The CMakeLists.txt is actually 3.10 compatible, but it specifies 3.5 as `CMAKE_VERSION_MINIMUM`
+    "-DCMAKE_POLICY_VERSION_MINIMUM=3.10"
+  ];
+
+  # Workaround for "error: ... class std::__cxx11::wstring_convert' is deprecated [-Werror=deprecated-declarations]"
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
+
   buildInputs = [
     libX11
     libxcb