build_size_test appears to be working now

Author: Github Executorch

.github/workflows/trunk.yml

@@ -297,9 +297,11 @@ jobs:
         arm-zephyr-eabi-c++ --version
         zephyr_preset=tools/cmake/preset/zephyr.cmake
         zephyr_preset=$(realpath ${zephyr_preset})
+        toolchain_cmake=examples/arm/ethos-u-setup/arm-zephyr-eabi-gcc.cmake
+        toolchain_cmake=$(realpath ${toolchain_cmake})
 
         # Build and test size test
-        bash test/build_size_test.sh "-DEXECUTORCH_BUILD_PRESET_FILE=${zephyr_preset}"
+        bash test/build_size_test.sh "-DEXECUTORCH_BUILD_PRESET_FILE=${zephyr_preset} -DCMAKE_TOOLCHAIN_FILE=${toolchain_cmake}"
         elf="cmake-out/test/size_test"
 
         # Dump basic info

runtime/platform/default/zephyr.cpp

@@ -13,8 +13,7 @@ set_overridable_option(CMAKE_TOOLCHAIN_FILE                     "${PROJECT_SOURC
 set_overridable_option(EXECUTORCH_ENABLE_LOGGING                ON)
 set_overridable_option(EXECUTORCH_BUILD_COREML                  OFF)
 set_overridable_option(EXECUTORCH_FLATBUFFERS_MAX_ALIGNMENT     1024)
-set(EXECUTORCH_PAL_DEFAULT         minimal)
-#set(EXECUTORCH_PAL_DEFAULT_FILE_PATH         "${PROJECT_SOURCE_DIR}/runtime/platform/default/zephyr.cpp")
+set_overridable_option(EXECUTORCH_PAL_DEFAULT                   minimal)
 set_overridable_option(EXECUTORCH_LOG_LEVEL                     Info)
 set_overridable_option(EXECUTORCH_ENABLE_PROGRAM_VERIFICATION   OFF)
 set_overridable_option(EXECUTORCH_ENABLE_EVENT_TRACER           OFF)