From 8f0e0f9dc70f55cf1a080c391858a8a01e6a25a8 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 23 Mar 2026 08:56:44 +0100
Subject: [PATCH] urldata: make hstslist only present in HSTS builds

Closes #21068
---
 lib/urldata.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/urldata.h b/lib/urldata.h
index aba9e69393..16238e29b9 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -693,8 +693,10 @@ struct UrlState {
   curl_off_t recent_conn_id; /* The most recent connection used, might no
                               * longer exist */
   struct dynbuf headerb; /* buffer to store headers in */
+#ifndef CURL_DISABLE_HSTS
   struct curl_slist *hstslist; /* list of HSTS files set by
                                   curl_easy_setopt(HSTS) calls */
+#endif
   curl_off_t current_speed;  /* the ProgressShow() function sets this,
                                 bytes / second */