From b53e09817912a220dc695320a6dd3f69f392e219 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dani=C3=ABl=20de=20Kok?= <me@danieldk.eu>
Date: Sat, 26 Sep 2026 14:12:02 +0200
Subject: [PATCH] flake: fix devshell on macOS

cudart was added as a direct dependency, but it does not exist on macOS,
so make it conditional on being supported on the platform.
---
 flake.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/flake.nix b/flake.nix
index e27d14ab..b43acc64 100644
--- a/flake.nix
+++ b/flake.nix
@@ -161,8 +161,6 @@
             ];
             buildInputs = [
               black
-              # For testing CUDA version detection in kernels.
-              cudaPackages.cuda_cudart
               isort
               mypy
               pre-commit
@@ -190,7 +188,9 @@
               types-requests
               types-tabulate
               venvShellHook
-            ]);
+            ])
+            # For testing CUDA version detection in kernels.
+            ++ lib.optional (lib.meta.availableOn stdenv.hostPlatform cudaPackages.cuda_cudart) cudaPackages.cuda_cudart;
 
             RUST_SRC_PATH = "${rust}/lib/rustlib/src/rust/library";