From b2afa58a06df354b0f868b9542bac2c46bd16aca Mon Sep 17 00:00:00 2001
From: Guilhem Saurel <guilhem.saurel@laas.fr>
Date: Fri, 5 Jun 2026 23:13:47 +0200
Subject: [PATCH] mim-solvers: enable multithread

---
 pkgs/by-name/mi/mim-solvers/package.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/mi/mim-solvers/package.nix b/pkgs/by-name/mi/mim-solvers/package.nix
index 28bd2bf43e02..bd3ac880fd01 100644
--- a/pkgs/by-name/mi/mim-solvers/package.nix
+++ b/pkgs/by-name/mi/mim-solvers/package.nix
@@ -28,7 +28,9 @@ stdenv.mkDerivation (finalAttrs: {
     pkg-config
   ];
 
-  buildInputs = lib.optional stdenv.hostPlatform.isDarwin llvmPackages.openmp;
+  buildInputs = lib.optional (
+    stdenv.hostPlatform.isDarwin && crocoddyl.withMultithread
+  ) llvmPackages.openmp;
 
   propagatedBuildInputs = [
     crocoddyl
@@ -38,6 +40,7 @@ stdenv.mkDerivation (finalAttrs: {
   cmakeFlags = [
     (lib.cmakeBool "BUILD_PYTHON_INTERFACE" false)
     (lib.cmakeBool "BUILD_WITH_PROXSUITE" true)
+    (lib.cmakeBool "BUILD_WITH_MULTITHREADS" crocoddyl.withMultithread)
   ];
 
   nativeCheckInputs = [