CMakeLists.txt

cmake_minimum_required (VERSION 3.11)
set (CMAKE_CXX_STANDARD 20)

# --- Fetch FTXUI --------------------------------------------------------------
include(FetchContent)

set(FETCHCONTENT_UPDATES_DISCONNECTED TRUE)
FetchContent_Declare(ftxui
  GIT_REPOSITORY https://github.com/ArthurSonzogni/ftxui
  GIT_TAG v4.0.0
)

FetchContent_GetProperties(ftxui)
if(NOT ftxui_POPULATED)
  FetchContent_Populate(ftxui)
  add_subdirectory(${ftxui_SOURCE_DIR} ${ftxui_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()

# ------------------------------------------------------------------------------

project(snake
  LANGUAGES CXX
  VERSION 1.0.0
)

# Instead of listing each component individually, headers component is catch all. Includes all the header-only components of boost.
find_package(Boost REQUIRED COMPONENTS headers)

add_executable(snake src/main.cpp)
target_include_directories(snake PRIVATE ${Boost_INCLUDE_DIRS} src/snake_game src/external/cereal/include src/external/hana/include src/external/immer src/external/lager src/external/zug)

target_link_libraries(snake
  PRIVATE ftxui::screen
  PRIVATE ftxui::dom
  PRIVATE ftxui::component # Not needed for this example.
  ${Boost_LIBRARIES}
)

if (EMSCRIPTEN) 
  string(APPEND CMAKE_CXX_FLAGS " -s USE_PTHREADS") 
  string(APPEND CMAKE_EXE_LINKER_FLAGS " -s ASYNCIFY") 
  string(APPEND CMAKE_EXE_LINKER_FLAGS " -s PROXY_TO_PTHREAD") 

  foreach(file "index.html" "run_webassembly.py")
    configure_file("src/${file}" ${file})
  endforeach(file)
endif()