From f04cda16d6f2b6b622440d9eae3d6f0276bb9bea Mon Sep 17 00:00:00 2001
From: misuzu <bakalolka@gmail.com>
Date: Wed, 29 Jan 2025 14:57:24 +0200
Subject: [PATCH] libmpcdec: fix cross build

Error without this fix:
```
checking for working memcmp... no
configure: error: working memcmp is not available.
```
---
 pkgs/by-name/li/libmpcdec/package.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/by-name/li/libmpcdec/package.nix b/pkgs/by-name/li/libmpcdec/package.nix
index b7613dc2ab94..55d33a2327f9 100644
--- a/pkgs/by-name/li/libmpcdec/package.nix
+++ b/pkgs/by-name/li/libmpcdec/package.nix
@@ -13,6 +13,9 @@ stdenv.mkDerivation rec {
     sha256 = "1a0jdyga1zfi4wgkg3905y6inghy3s4xfs5m4x7pal08m0llkmab";
   };
 
+  # needed for cross builds
+  configureFlags = [ "ac_cv_func_memcmp_working=yes" ];
+
   meta = {
     description = "Musepack SV7 decoder library";
     platforms = lib.platforms.unix;