From 4778cb3b5e0325262f57d9ffe3f396752b226fac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Bon=C3=A9?= <aleix.boneribo@bsc.es>
Date: Fri, 31 Oct 2025 10:52:47 +0100
Subject: [PATCH] Fix osu cross-compilation

---
 pkgs/osu/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/osu/default.nix b/pkgs/osu/default.nix
index 12da65bf..d763f21d 100644
--- a/pkgs/osu/default.nix
+++ b/pkgs/osu/default.nix
@@ -32,6 +32,11 @@ stdenv.mkDerivation rec {
       "CXX=mpicxx"
   ];
 
+  env = {
+    MPICH_CC="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}gcc";
+    MPICH_CXX="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}g++";
+  };
+
   postInstall = ''
     mkdir -p $out/bin
     for f in $(find $out -executable -type f); do