From a240f0af901ac0727b6c116ea62438c47cb4a6af Mon Sep 17 00:00:00 2001
From: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
Date: Wed, 9 Jul 2025 22:49:36 -0400
Subject: [PATCH] [esp32] Set lib_compat_mode to strict (#9408)

---
 esphome/components/esp32/__init__.py     | 1 +
 esphome/components/esp8266/__init__.py   | 1 +
 esphome/components/host/__init__.py      | 1 +
 esphome/components/libretiny/__init__.py | 1 +
 esphome/components/rp2040/__init__.py    | 1 +
 platformio.ini                           | 1 +
 6 files changed, 6 insertions(+)

diff --git a/esphome/components/esp32/__init__.py b/esphome/components/esp32/__init__.py
index 8408f902ef..fdc469e419 100644
--- a/esphome/components/esp32/__init__.py
+++ b/esphome/components/esp32/__init__.py
@@ -707,6 +707,7 @@ async def to_code(config):
     cg.add_define("ESPHOME_VARIANT", VARIANT_FRIENDLY[config[CONF_VARIANT]])
 
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
 
     framework_ver: cv.Version = CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION]
 
diff --git a/esphome/components/esp8266/__init__.py b/esphome/components/esp8266/__init__.py
index 81daad8c56..01b20bdcb1 100644
--- a/esphome/components/esp8266/__init__.py
+++ b/esphome/components/esp8266/__init__.py
@@ -180,6 +180,7 @@ async def to_code(config):
     cg.add(esp8266_ns.setup_preferences())
 
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
 
     cg.add_platformio_option("board", config[CONF_BOARD])
     cg.add_build_flag("-DUSE_ESP8266")
diff --git a/esphome/components/host/__init__.py b/esphome/components/host/__init__.py
index d3dbcba6ed..a67d73fbb7 100644
--- a/esphome/components/host/__init__.py
+++ b/esphome/components/host/__init__.py
@@ -45,3 +45,4 @@ async def to_code(config):
     cg.add_define("ESPHOME_BOARD", "host")
     cg.add_platformio_option("platform", "platformio/native")
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
diff --git a/esphome/components/libretiny/__init__.py b/esphome/components/libretiny/__init__.py
index 149e5d1179..d5a5dd3ee3 100644
--- a/esphome/components/libretiny/__init__.py
+++ b/esphome/components/libretiny/__init__.py
@@ -268,6 +268,7 @@ async def component_to_code(config):
 
     # disable library compatibility checks
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
     # include <Arduino.h> in every file
     cg.add_platformio_option("build_src_flags", "-include Arduino.h")
     # dummy version code
diff --git a/esphome/components/rp2040/__init__.py b/esphome/components/rp2040/__init__.py
index ecbeb83bb4..11ed97831e 100644
--- a/esphome/components/rp2040/__init__.py
+++ b/esphome/components/rp2040/__init__.py
@@ -165,6 +165,7 @@ async def to_code(config):
     # Allow LDF to properly discover dependency including those in preprocessor
     # conditionals
     cg.add_platformio_option("lib_ldf_mode", "chain+")
+    cg.add_platformio_option("lib_compat_mode", "strict")
     cg.add_platformio_option("board", config[CONF_BOARD])
     cg.add_build_flag("-DUSE_RP2040")
     cg.set_cpp_standard("gnu++20")
diff --git a/platformio.ini b/platformio.ini
index 0d67e23222..7f10f0f51f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -61,6 +61,7 @@ src_filter =
     +<../tests/dummy_main.cpp>
     +<../.temp/all-include.cpp>
 lib_ldf_mode = off
+lib_compat_mode = strict
 
 ; This are common settings for all Arduino-framework based environments.
 [common:arduino]