Fix CI

platformio.ini

@@ -15,12 +15,8 @@ default_envs = esp32dev
 ; src_dir = ./src
 
 [env:esp32dev]
-; 22 Dec 2021: #feature/arduino-idf-master is 33ff4132ef9a79be50552bd89e6fd44b9518643c
-platform = https://github.com/platformio/platform-espressif32.git#feature/arduino-idf-master
-platform_packages =
-  ; use upstream Git version
-  ; 01 Jan 2022: #2.0.2 is caef4006af491130136b219c1205bdcf8f08bf2b
-  framework-arduino-esp32 @ https://github.com/espressif/arduino-esp32#2.0.2
+platform = espressif32 @ 5.3.0
+platform_packages = platformio/framework-arduinoespressif32@^3.20006.221224
 
 board = esp32dev
 framework = arduino
@@ -31,10 +27,11 @@ extra_scripts =
   scripts/extra_linker_flags.py
   ; fix the platform package to use gcc-ar and gcc-ranlib to enable lto linker plugin
   ; more detail: https://embeddedartistry.com/blog/2020/04/13/prefer-gcc-ar-to-ar-in-your-buildsystems/
-  pre:scripts/apply_patches.py
+  pre:scripts/gcc_toolchain.py
 
 ; Not using OTAs for now, so this can be used to increase the flash capacity
-; board_build.partitions = no_ota.csv
+; TODO - using LTO we used to fit without changing partitions, need to investiagte how to achieve that again
+board_build.partitions = no_ota.csv
 
 build_flags = 
   -DCORE_DEBUG_LEVEL=0
@@ -58,8 +55,8 @@ build_flags =
   -std=gnu++17
   -Wall
   -Wextra
-
   -flto
+
 build_unflags =
   -std=gnu++11
   ; re-enable lto - afaik it was only disabled because of https://github.com/espressif/esp-idf/issues/3989

scripts/gcc_toolchain.py

@@ -0,0 +1,6 @@
+Import("env")
+
+env.Replace(
+    AR="xtensa-esp32-elf-gcc-ar",
+    RANLIB="xtensa-esp32-elf-gcc-ranlib"
+)