From 4e4e5a407f186c4fd693c9aea6123c6c9660b8ea Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Wed, 15 Jul 2026 12:31:31 +0300
Subject: [PATCH] lammps-mpi: fix build with correct mpi arguments

---
 pkgs/by-name/la/lammps-mpi/package.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/la/lammps-mpi/package.nix b/pkgs/by-name/la/lammps-mpi/package.nix
index 79c0ebddfd0f..04ad2decc7a3 100644
--- a/pkgs/by-name/la/lammps-mpi/package.nix
+++ b/pkgs/by-name/la/lammps-mpi/package.nix
@@ -6,8 +6,11 @@
 
 lib.lowPrio (
   lammps.override {
-    extraBuildInputs = [
+    extraNativeBuildInputs = [
       mpi
     ];
+    extraCmakeFlags = {
+      BUILD_MPI = "ON";
+    };
   }
 )