From 3437e23c8e53864cf551c2bbc651fc9d96b2ba4d Mon Sep 17 00:00:00 2001
From: Otto Winter <otto@otto-winter.com>
Date: Sat, 19 Jan 2019 22:14:46 +0100
Subject: [PATCH] Disable platformio LDF (#352)

* Disable platformio LDF

* Use required build flags
---
 .../components/light/fastled_clockless.py     |  2 +-
 esphomeyaml/components/light/fastled_spi.py   |  2 +-
 esphomeyaml/components/light/neopixelbus.py   |  2 +-
 esphomeyaml/components/web_server.py          |  2 +-
 esphomeyaml/writer.py                         | 26 +++++++++++++++++++
 5 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/esphomeyaml/components/light/fastled_clockless.py b/esphomeyaml/components/light/fastled_clockless.py
index f1d12b6d7e..35f4e81922 100644
--- a/esphomeyaml/components/light/fastled_clockless.py
+++ b/esphomeyaml/components/light/fastled_clockless.py
@@ -102,7 +102,7 @@ def to_code(config):
     setup_component(fast_led, config)
 
 
-BUILD_FLAGS = '-DUSE_FAST_LED_LIGHT'
+REQUIRED_BUILD_FLAGS = '-DUSE_FAST_LED_LIGHT'
 
 LIB_DEPS = 'FastLED@3.2.0'
 
diff --git a/esphomeyaml/components/light/fastled_spi.py b/esphomeyaml/components/light/fastled_spi.py
index 957130f247..d8cf15bed1 100644
--- a/esphomeyaml/components/light/fastled_spi.py
+++ b/esphomeyaml/components/light/fastled_spi.py
@@ -82,7 +82,7 @@ def to_code(config):
     setup_component(fast_led, config)
 
 
-BUILD_FLAGS = '-DUSE_FAST_LED_LIGHT'
+REQUIRED_BUILD_FLAGS = '-DUSE_FAST_LED_LIGHT'
 
 LIB_DEPS = 'FastLED@3.2.0'
 
diff --git a/esphomeyaml/components/light/neopixelbus.py b/esphomeyaml/components/light/neopixelbus.py
index 01841094e7..ac6cab427a 100644
--- a/esphomeyaml/components/light/neopixelbus.py
+++ b/esphomeyaml/components/light/neopixelbus.py
@@ -160,7 +160,7 @@ def to_code(config):
     setup_component(output, config)
 
 
-BUILD_FLAGS = '-DUSE_NEO_PIXEL_BUS_LIGHT'
+REQUIRED_BUILD_FLAGS = '-DUSE_NEO_PIXEL_BUS_LIGHT'
 
 LIB_DEPS = 'NeoPixelBus@2.4.1'
 
diff --git a/esphomeyaml/components/web_server.py b/esphomeyaml/components/web_server.py
index d70bc25cda..aca7b8bbcb 100644
--- a/esphomeyaml/components/web_server.py
+++ b/esphomeyaml/components/web_server.py
@@ -28,7 +28,7 @@ def to_code(config):
     setup_component(web_server, config)
 
 
-BUILD_FLAGS = '-DUSE_WEB_SERVER'
+REQUIRED_BUILD_FLAGS = '-DUSE_WEB_SERVER'
 
 
 def lib_deps(config):
diff --git a/esphomeyaml/writer.py b/esphomeyaml/writer.py
index a6b1a4b7b1..0febccf86b 100644
--- a/esphomeyaml/writer.py
+++ b/esphomeyaml/writer.py
@@ -343,6 +343,32 @@ def get_ini_content():
         flash_mode = CORE.config[CONF_ESPHOMEYAML][CONF_BOARD_FLASH_MODE]
         data['board_build.flash_mode'] = flash_mode
 
+    if CORE.is_esp8266:
+        # On ESP8266, we can disable LDF
+        data['lib_ldf_mode'] = 'off'
+    elif CORE.is_esp32:
+        # On ESP32, we need to enable LDF
+        # and can manually remove all libraries we don't need
+        data['lib_ldf_mode'] = 'chain'
+        REMOVABLE_LIBRARIES = [
+            'ArduinoOTA',
+            'ESPmDNS',
+            'Update',
+            'Wire',
+            'FastLED',
+            'NeoPixelBus',
+            'ESP Async WebServer',
+        ]
+        ignore = []
+        for x in REMOVABLE_LIBRARIES:
+            for o in lib_deps:
+                if x in o:
+                    break
+            else:
+                ignore.append(x)
+        if ignore:
+            data['lib_ignore'] = ignore
+
     data.update(CORE.config[CONF_ESPHOMEYAML].get(CONF_PLATFORMIO_OPTIONS, {}))
 
     content = u'[env:{}]\n'.format(CORE.name)