From 4bb18351808181ab8def61fa511194adc3988f4b Mon Sep 17 00:00:00 2001
From: Thiago Kenji Okada <thiagokokada@gmail.com>
Date: Mon, 25 Sep 2023 22:14:44 +0100
Subject: [PATCH] libretro.mame: fix build

---
 pkgs/applications/emulators/retroarch/cores.nix | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/pkgs/applications/emulators/retroarch/cores.nix b/pkgs/applications/emulators/retroarch/cores.nix
index a06573d0af53..2f055299adfe 100644
--- a/pkgs/applications/emulators/retroarch/cores.nix
+++ b/pkgs/applications/emulators/retroarch/cores.nix
@@ -516,15 +516,11 @@ in
     core = "mame";
     extraNativeBuildInputs = [ python3 ];
     extraBuildInputs = [ alsa-lib libGLU libGL ];
+    # Setting this is breaking compilation of src/3rdparty/genie for some reason
+    makeFlags = [ "ARCH=" ];
     meta = {
       description = "Port of MAME to libretro";
       license = with lib.licenses; [ bsd3 gpl2Plus ];
-      # Build fail with errors:
-      # gcc: warning: <arch>: linker input file unused because linking not done
-      # gcc: error: <arch>: linker input file not found: No such file or directory
-      # Removing it from platforms instead of marking as broken to allow
-      # retroarchFull to be built
-      platforms = [ ];
     };
   };