From ecfbba65f75e33a5e69babc6bb19a8300d44b454 Mon Sep 17 00:00:00 2001
From: Jukka Aho <ahojukka5@gmail.com>
Date: Wed, 12 Nov 2025 01:08:58 +0200
Subject: [PATCH] deps: Add CUDA extension support to Project.toml

- [weakdeps] CUDA package for optional GPU support
- [extensions] JuliaFEMCUDAExt loaded when 'using CUDA'
- Zero overhead when CUDA not loaded
- Enables GPU acceleration without mandatory dependency
---
 Project.toml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Project.toml b/Project.toml
index 8c9787f..384067c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,6 +19,12 @@ IterativeSolvers = "0.9.4"
 Tensors = "≥ 1.0.0"
 julia = "1.9"
 
+[weakdeps]
+CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
+
+[extensions]
+JuliaFEMCUDAExt = ["CUDA"]
+
 [extras]
 Calculus = "49dc2e85-a5d0-5ad3-a950-438e2897f1b9"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"