From 9ed941b7d65b2f2f763d31e9545580af2dad5415 Mon Sep 17 00:00:00 2001
From: Harmen Stoppels <me@harmenstoppels.nl>
Date: Thu, 7 Nov 2024 17:15:54 +0100
Subject: [PATCH] drop heuristic in find_all_headers

---
 lib/spack/llnl/util/filesystem.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/spack/llnl/util/filesystem.py b/lib/spack/llnl/util/filesystem.py
index 90b0f5c2b5e..9f1591541bc 100644
--- a/lib/spack/llnl/util/filesystem.py
+++ b/lib/spack/llnl/util/filesystem.py
@@ -2195,7 +2195,7 @@ def find_all_headers(root):
     Returns:
         List of all headers found in ``root`` and subdirectories.
     """
-    return find_headers("*", root=root, recursive=True)
+    return find_headers("*", root=root, recursive=True, heuristic=False, max_depth=sys.maxsize)
 
 
 class LibraryList(FileList):