# Copyright (C) 2019 Intel Corporation.  All rights reserved.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# from ESP-IDF 4.0 examples/build_system/cmake/idf_as_lib
cmake_minimum_required(VERSION 3.5)

project(wamr_esp_idf C)

enable_language (ASM)

# Include for ESP-IDF build system functions
include($ENV{IDF_PATH}/tools/cmake/idf.cmake)

# Create idf::esp32 and idf::freertos static libraries
idf_build_process(esp32
                  # try and trim the build; additional components
                  # will be included as needed based on dependency tree
                  #
                  # although esptool_py does not generate static library,
                  # processing the component is needed for flashing related
                  # targets and file generation
                  COMPONENTS esp32 freertos esptool_py
                  SDKCONFIG ${CMAKE_BINARY_DIR}/sdkconfig
                  BUILD_DIR ${CMAKE_BINARY_DIR})

include_directories(build/config
                    xtensa/include
                    $ENV{IDF_PATH}/components/esp32/include
                    $ENV{IDF_PATH}/components/esp_common/include
                    $ENV{IDF_PATH}/components/esp_rom/include
                    $ENV{IDF_PATH}/components/freertos/include
                    $ENV{IDF_PATH}/components/heap/include
                    $ENV{IDF_PATH}/components/soc/esp32/include
                    $ENV{IDF_PATH}/components/xtensa/include
                    $ENV{IDF_PATH}/components/xtensa/esp32/include)

set(WAMR_BUILD_PLATFORM "esp-idf")
set(WAMR_BUILD_TARGET "XTENSA")
set(WAMR_BUILD_INTERP 1)
set(WAMR_BUILD_FAST_INTERP 1)
set(WAMR_BUILD_AOT 1)
set(WAMR_BUILD_LIBC_BUILTIN 1)
set(WAMR_BUILD_LIBC_WASI 0)

set(WAMR_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../..)

include(${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
add_library(vmlib ${WAMR_RUNTIME_LIB_SOURCE})

set(elf_file ${CMAKE_PROJECT_NAME}.elf)
add_executable(${elf_file} main.c iwasm_main.c)

# Link the static libraries to the executable
target_link_libraries(${elf_file} idf::esp32 idf::freertos idf::spi_flash vmlib)