From 226ae141f95e0321cb401545eb29e5fdeef902ec Mon Sep 17 00:00:00 2001
From: lassulus <git@lassul.us>
Date: Mon, 5 Jan 2026 15:39:26 +0100
Subject: [PATCH] libretro.scummvm: fix build with GCC 15

Rename index/rindex functions in bundled libfaad to avoid conflict
with glibc's string.h declarations.
---
 pkgs/applications/emulators/libretro/cores/scummvm.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/applications/emulators/libretro/cores/scummvm.nix b/pkgs/applications/emulators/libretro/cores/scummvm.nix
index acd4315d0ed5..fe52e890a40b 100644
--- a/pkgs/applications/emulators/libretro/cores/scummvm.nix
+++ b/pkgs/applications/emulators/libretro/cores/scummvm.nix
@@ -50,6 +50,9 @@ mkLibretroCore {
     cp -a ${libretro-deps-src}/* deps/libretro-deps
     chmod -R u+w deps/
 
+    # Fix conflicts with glibc index/rindex functions
+    sed -i 's/\bindex\b/faad_index/g; s/\brindex\b/faad_rindex/g' deps/libretro-deps/libfaad/libfaad/common.h
+
     patchShebangs ./scripts/*
   '';