# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.

# Set the minimum required version of CMake for this project.
cmake_minimum_required(VERSION 3.10)

if(NOT CMAKE_CXX_STANDARD)
  set(CMAKE_CXX_STANDARD 17)
endif()

# Set the project name.
project(cadence_backend)

# Source root directory for executorch.
if(NOT EXECUTORCH_ROOT)
  set(EXECUTORCH_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..)
endif()

include(${EXECUTORCH_ROOT}/build/Utils.cmake)
include(${EXECUTORCH_ROOT}/build/Codegen.cmake)

# Let files say "include <executorch/path/to/header.h>".
set(_common_include_directories ${EXECUTORCH_ROOT}/..)
set(TARGET_DIR reference)

if(EXECUTORCH_NNLIB_OPT)
  set(TARGET_DIR hifi)
  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${TARGET_DIR}/third-party/nnlib)
endif()
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Source root directory for executorch.
if(NOT EXECUTORCH_ROOT)
  set(EXECUTORCH_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..)
endif()

if(NOT PYTHON_EXECUTABLE)
  resolve_python_executable()
endif()

set(_common_compile_options -Wno-deprecated-declarations -fPIC)

# Find prebuilt libraries. executorch package should contain portable_ops_lib,
# etdump, bundled_program.
find_package(executorch CONFIG REQUIRED)
target_link_options_shared_lib(executorch)
target_link_options_shared_lib(portable_ops_lib)

target_include_directories(executorch INTERFACE ${_common_include_directories})

find_package(
  gflags REQUIRED PATHS ${CMAKE_CURRENT_BINARY_DIR}/../../third-party
)

add_executable(cadence_runner cadence_runner/cadence_runner.cpp)
target_compile_options(executorch INTERFACE -DET_EVENT_TRACER_ENABLED)

add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${TARGET_DIR}/operators)
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${TARGET_DIR}/kernels)

target_include_directories(
  etdump INTERFACE ${CMAKE_CURRENT_BINARY_DIR}/../../sdk/include
                   ${EXECUTORCH_ROOT}/third-party/flatcc/include
)

target_include_directories(
  cadence_runner PUBLIC ${ROOT_DIR}/.. ${CMAKE_BINARY_DIR}
                        ${_common_include_directories}
)

target_link_libraries(
  cadence_runner
  executorch
  gflags
  etdump
  extension_data_loader
  bundled_program
  cadence_ops_lib
  flatccrt
)