From 1f5869f193c480eb124c40b3818abe91d839aab0 Mon Sep 17 00:00:00 2001
From: Viktor Sonesten <v@tmplt.dev>
Date: Wed, 5 Aug 2026 14:02:18 +0200
Subject: [PATCH] fmi-reference-fmus: 0.0.39 -> 0.0.40

0.0.40 removes build support for FMI version 1 and removes the
previously vendored fmusim executable, which we no longer need to
disable.
---
 pkgs/by-name/fm/fmi-reference-fmus/package.nix | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/pkgs/by-name/fm/fmi-reference-fmus/package.nix b/pkgs/by-name/fm/fmi-reference-fmus/package.nix
index 175d114b8844..229aade9b5fe 100644
--- a/pkgs/by-name/fm/fmi-reference-fmus/package.nix
+++ b/pkgs/by-name/fm/fmi-reference-fmus/package.nix
@@ -10,26 +10,23 @@
 
 # C.f. <https://fmi-standard.org/>
 assert lib.asserts.assertMsg (
-  FMIVersion >= 1 && FMIVersion <= 3
-) "FMIVersion must be a valid FMI specification standard: 1, 2, or 3; not ${toString FMIVersion}";
+  FMIVersion >= 2 && FMIVersion <= 3
+) "FMIVersion must be a valid FMI specification standard of: 2 or 3; not ${toString FMIVersion}";
 
-# NB: this derivation does not package the fmusim executables, only
-# the FMUs.
 stdenv.mkDerivation (finalAttrs: {
   pname = "reference-fmus";
-  version = "0.0.39";
+  version = "0.0.40";
   src = fetchFromGitHub {
     owner = "modelica";
     repo = "reference-fmus";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-3bjqfEyPhqVrJOHHhniacyUAo82InCd6LLx3tyC8DYg=";
+    hash = "sha256-GRyvfOncJ6PPQpqxFELlIEZCijcxnSAzbPilmMEwmJQ=";
   };
 
   nativeBuildInputs = [ cmake ];
 
   cmakeFlags = [
     "-DFMI_VERSION=${toString FMIVersion}"
-    (lib.cmakeBool "WITH_FMUSIM" false)
   ];
 
   env = lib.optionalAttrs (FMIVersion == 3) {