From adde7681e8a33884d47b11211b9a079bf12135de Mon Sep 17 00:00:00 2001
From: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
Date: Fri, 22 May 2026 20:30:25 -0400
Subject: [PATCH] [esp32] Demote IDF #warning deprecations from error under
 ESP-IDF toolchain (#16584)

---
 esphome/components/esp32/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/esphome/components/esp32/__init__.py b/esphome/components/esp32/__init__.py
index 2fdaa991ae..367ec32578 100644
--- a/esphome/components/esp32/__init__.py
+++ b/esphome/components/esp32/__init__.py
@@ -1821,6 +1821,7 @@ async def to_code(config):
         cg.add_build_flag("-Wno-error=overloaded-virtual")
         cg.add_build_flag("-Wno-error=reorder")
         cg.add_build_flag("-Wno-error=volatile")
+        cg.add_build_flag("-Wno-error=cpp")
         # -Wno- (not -Wno-error=): suppress entirely, too noisy on C++ aggregates
         cg.add_build_flag("-Wno-missing-field-initializers")