CMakeLists.txt

#
# Copyright © 2022 Github Lzhiyong
#
# 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
#
#      http://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 3.14.2)
project(sdk-tools)

enable_language(ASM)

# set global cflags and cxxflags
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics -fPIC -Wno-attributes -std=gnu11")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics -fPIC -Wno-attributes -std=gnu++2a")
# static link (may need some patches)
#set(CMAKE_EXE_LINKER_FLAGS "-static")

# platform tools version
# see the patches/other/platform_tools_version.h
set(TOOLS_VERSION 34.0.3)
set(SRC ${PROJECT_SOURCE_DIR}/src)

# 64-bit off_t for lseek.
add_definitions(-D_FILE_OFFSET_BITS=64)

set(PROTOC_COMPILER)

if(DEFINED PROTOC_PATH)
    set(PROTOC_COMPILER ${PROTOC_PATH})
    
    if(NOT EXISTS ${PROTOC_COMPILER})
        unset(PROTOC_PATH CACHE)
        message(FATAL_ERROR "Invalid protoc: ${PROTOC_COMPILER}, please check if the path is correct")
    endif()
    
    # check protoc version
    execute_process(
        COMMAND ${PROTOC_COMPILER} --version
        OUTPUT_VARIABLE PTOTOBUF_VERSION
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    )
    
    if(NOT PTOTOBUF_VERSION MATCHES "^libprotoc*")
        unset(PROTOC_PATH CACHE)
        message(FATAL_ERROR "Invalid protoc: ${PROTOC_COMPILER}, this may not be an executable")
    endif()
    
    string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" VERSIONS ${PTOTOBUF_VERSION})
    # please note that if the protobuf version is too high, you may encounter the following error
    # error: This file was generated by a newer version of protoc 
    if(VERSIONS VERSION_GREATER "3.21.7")
        message(WARNING "${PTOTOBUF_VERSION}, the protobuf version is too high, may be incompatible!!")
    endif()
endif()

# thrid-party libraries
add_subdirectory(src/boringssl/src EXCLUDE_FROM_ALL)
add_subdirectory(src/fmtlib EXCLUDE_FROM_ALL)
add_subdirectory(src/pcre EXCLUDE_FROM_ALL)
add_subdirectory(src/libpng EXCLUDE_FROM_ALL)
add_subdirectory(src/zopfli EXCLUDE_FROM_ALL)
add_subdirectory(src/jsoncpp EXCLUDE_FROM_ALL)
add_subdirectory(src/expat/expat EXCLUDE_FROM_ALL)
add_subdirectory(src/zstd/build/cmake EXCLUDE_FROM_ALL)
add_subdirectory(src/lz4/build/cmake EXCLUDE_FROM_ALL)
add_subdirectory(src/brotli EXCLUDE_FROM_ALL)
add_subdirectory(src/abseil-cpp EXCLUDE_FROM_ALL)
add_subdirectory(src/protobuf EXCLUDE_FROM_ALL)

# building sdk-tools
add_subdirectory(lib)
add_subdirectory(build-tools)
add_subdirectory(platform-tools)

# creating source tarballs
set(CPACK_PACKAGE_DIRECTORY ${PROJECT_SOURCE_DIR}/pack)
set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE.txt")
set(CPACK_SOURCE_GENERATOR "TXZ")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${PROJECT_NAME}-${TOOLS_VERSION}")
set(CPACK_SOURCE_IGNORE_FILES 
    ${PROJECT_SOURCE_DIR}/.git
    ${PROJECT_SOURCE_DIR}/.gitignore
    ${PROJECT_SOURCE_DIR}/.gitmodules
    ${PROJECT_SOURCE_DIR}/get_source.py
    ${PROJECT_SOURCE_DIR}/build
    ${PROJECT_SOURCE_DIR}/patches
    ${PROJECT_SOURCE_DIR}/pack
    )
    
include(CPack)