From 303dbe61fc4a58057d1e95e53a89b457169a1060 Mon Sep 17 00:00:00 2001
From: Peter Arzt <peter.arzt@tu-darmstadt.de>
Date: Tue, 25 Aug 2026 16:26:28 +0200
Subject: [PATCH] simgrid: add graphviz dependency

---
 repos/spack_repo/builtin/packages/simgrid/package.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/repos/spack_repo/builtin/packages/simgrid/package.py b/repos/spack_repo/builtin/packages/simgrid/package.py
index 89c6562d4d0..d6a4fcf7879 100644
--- a/repos/spack_repo/builtin/packages/simgrid/package.py
+++ b/repos/spack_repo/builtin/packages/simgrid/package.py
@@ -84,6 +84,8 @@ class Simgrid(CMakePackage):
     depends_on("boost@:1.69.0", when="@:3.21")
     depends_on("boost+exception")
 
+    depends_on("graphviz")
+
     conflicts(
         "%gcc@10:",
         when="@:3.23",