cmake_minimum_required(VERSION 3.10)

if(NOT CMAKE_CXX_STANDARD)
  set(CMAKE_CXX_STANDARD 11)
  set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
project(
  phxrpc
  LANGUAGES C CXX
  VERSION 0.0.1.0)

set(CMAKE_POSITION_INDEPENDENT_CODE ON)
include(FetchContent)

set(protobuf_WITH_ZLIB
    OFF
    CACHE INTERNAL "without zlib")
set(protobuf_BUILD_TESTS
    OFF
    CACHE INTERNAL "without tests")
set(protobuf_protobuf_BUILD_SHARED_LIBS
    OFF
    CACHE INTERNAL "use static library")
set(protobuf_BUILD_LIBPROTOC
    ON
    CACHE INTERNAL "build libprotoc")
set(protobuf_BUILD_PROTOC_BINARIES
    ON
    CACHE INTERNAL "build binaries")

FetchContent_Declare(
  protobuf
  SOURCE_DIR
  ${CMAKE_CURRENT_SOURCE_DIR}/third_party/protobuf-21.12
  DOWNLOAD_EXTRACT_TIMESTAMP
  EXCLUDE_FROM_ALL
  # URL
  # https://github.com/protocolbuffers/protobuf/archive/refs/tags/v6.31.1.zip
  # URL_HASH MD5=2e36cb724b5d50880002501e154a29f2
)
FetchContent_MakeAvailable(protobuf)
FetchContent_GetProperties(protobuf)
if(NOT protobuf_POPULATED)
  FetchContent_Populate(protobuf)
  add_subdirectory(${protobuf_SOURCE_DIR} ${protobuf_BINARY_DIR}
                   EXCLUDE_FROM_ALL)
endif()
install(
  DIRECTORY ${protobuf_SOURCE_DIR}/src/google
  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
  FILES_MATCHING
  PATTERN "*.h"
  PATTERN "*.inc"
  PATTERN "*.proto")
set_target_properties(protoc PROPERTIES EXCLUDE_FROM_ALL FALSE)
install(TARGETS protoc DESTINATION ${CMAKE_INSTALL_BINDIR})

add_subdirectory(codegen)
add_subdirectory(phxrpc)