From 395e5d76a7f45e4885ec4a405f695243bfcd7173 Mon Sep 17 00:00:00 2001
From: Theodore Ni <3806110+tjni@users.noreply.github.com>
Date: Thu, 15 Jun 2023 23:37:53 -0700
Subject: [PATCH] opensmalltalk-vm: fix evaluation on darwin

---
 pkgs/development/compilers/opensmalltalk-vm/default.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/opensmalltalk-vm/default.nix b/pkgs/development/compilers/opensmalltalk-vm/default.nix
index 1f392075b94a..82481a8e17eb 100644
--- a/pkgs/development/compilers/opensmalltalk-vm/default.nix
+++ b/pkgs/development/compilers/opensmalltalk-vm/default.nix
@@ -180,5 +180,7 @@ let
 
   platform = stdenv.targetPlatform.system;
 in
-  vmsByPlatform.${platform} or
-    (throw "Unsupported platform ${platform}: only the following platforms are supported: ${builtins.attrNames vmsByPlatform}")
+  vmsByPlatform.${platform} or throw (
+    "Unsupported platform ${platform}: only the following platforms are supported: " +
+    builtins.toString (builtins.attrNames vmsByPlatform)
+  )