samples/pw_tokenizer/CMakeLists.txt

# Copyright 2022 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

cmake_minimum_required(VERSION 3.20)

set(BOARD native_posix)
set(NO_BUILD_TYPE_WARNING ON)
set(CMAKE_VERBOSE_MAKEFILE ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Use this copy of Pigweed
get_filename_component(PW_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../../pigweed" ABSOLUTE)
set(ENV{PW_ROOT} ${PW_ROOT})

set(pw_third_party_nanopb_ADD_SUBDIRECTORY ON CACHE BOOL "" FORCE)

list(APPEND ZEPHYR_EXTRA_MODULES ${PW_ROOT})

find_package(Zephyr REQUIRED PATHS $ENV{ZEPHYR_BASE})
project(tokenizer_demo)

target_sources(app PRIVATE src/main.cc)

# Add custom logic to generate database.bin
# The application expects it to be in the binary dir.
add_custom_target(database_binary
  DEPENDS
    ${CMAKE_BINARY_DIR}/database.bin
)
add_custom_command(
    OUTPUT ${CMAKE_BINARY_DIR}/database.bin
    COMMAND
    ${PYTHON_EXECUTABLE}
    ${PW_ROOT}/pw_tokenizer/py/pw_tokenizer/database.py
    create
    --type binary
    -d ${CMAKE_BINARY_DIR}/database.bin
    ${CMAKE_BINARY_DIR}/zephyr/zephyr_pre0.elf
    DEPENDS zephyr_pre0
)
add_dependencies(${logical_target_for_zephyr_elf} database_binary)