From 8b21717c1cf2d35a097c90072ab298b2d96a6360 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Thu, 8 Feb 2024 08:29:56 +0000
Subject: [PATCH] gimx: fix build against `gcc-13`

Without the change the build in `master` fails as
https://hydra.nixos.org/build/247555199:

    gimx.c:195:6: error: implicit declaration of function 'getenv' [-Werror=implicit-function-declaration]
      195 |   if(getenv("GIMXCONF")) { snprintf(file_path, sizeof(file_path), "%s", gimx_params.config_file); }
          |      ^~~~~~
---
 pkgs/games/gimx/default.nix | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/pkgs/games/gimx/default.nix b/pkgs/games/gimx/default.nix
index 9c2b260f1dbf..4173ac0cc2d6 100644
--- a/pkgs/games/gimx/default.nix
+++ b/pkgs/games/gimx/default.nix
@@ -1,4 +1,5 @@
-{ stdenv, lib, fetchFromGitHub, makeWrapper, curl, libusb1, xorg, libxml2
+{ stdenv, lib, fetchFromGitHub, fetchpatch
+, makeWrapper, curl, libusb1, xorg, libxml2
 , ncurses5, bluez, libmhash, gimxPdpGamepad ? false }:
 
 let
@@ -21,7 +22,23 @@ in stdenv.mkDerivation rec {
     sha256 = "05kdv2qqr311c2p76hdlgvrq7b04vcpps5c80zn8b8l7p831ilgz";
   };
 
-  patches = [ ./conf.patch ];
+  patches = [
+    ./conf.patch
+
+    # gcc-13 build fixes:
+    #   https://github.com/matlo/GIMX/pull/705
+    (fetchpatch {
+      name = "gcc-13-headers.patch";
+      url = "https://github.com/matlo/GIMX/commit/4525dff4d9af672116d8c6c182707f2ad6295b2d.patch";
+      hash = "sha256-LkswnFsxqADooa09yO7Yf0AbxTrGfjBObyv/6FQJvRs=";
+    })
+    (fetchpatch {
+      name = "gcc-13-protos.patch";
+      url = "https://github.com/matlo/GIMX/commit/f11855fcb8bd9d0cb9c94871b4111ddfd5b610df.patch";
+      hash = "sha256-JL67UUsEyPcOuaimJtMviiGLGghuq9665Lg1QuiaWUU=";
+    })
+  ];
+
   nativeBuildInputs = [ makeWrapper ];
   buildInputs = [
     curl libusb1 bluez libxml2 ncurses5 libmhash