CMakeLists.txt

cmake_minimum_required(VERSION 3.16)
project(afterimage VERSION 0.1.0 LANGUAGES CXX)

option(USE_WASM "Enable WebAssembly builds" OFF)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

if(USE_WASM AND EMSCRIPTEN)
  if(DEFINED CMAKE_CXX_COMPILER_VERSION AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1.0)
    message(WARNING "Emscripten < 3.1.0 detected; downgrading to C++17 for WASM build.")
    set(CMAKE_CXX_STANDARD 17)
  endif()
endif()

option(ENABLE_SANITIZERS "Build with ASAN/UBSAN (non-MSVC)" OFF)
if(ENABLE_SANITIZERS AND NOT MSVC)
  add_compile_options(-fsanitize=address,undefined -fno-omit-frame-pointer)
  add_link_options(-fsanitize=address,undefined -fno-omit-frame-pointer)
endif()

# Add compiler warnings
if(MSVC)
  # /Zc:__cplusplus makes __cplusplus report the correct standard level on MSVC
  add_compile_options(/W4 /permissive- /Zc:preprocessor /Zc:__cplusplus)
else()
  add_compile_options(-Wall -Wextra -Wpedantic)
endif()

# Add subdirectories
add_subdirectory(engine)
add_subdirectory(server)
add_subdirectory(tools)
add_subdirectory(desktop)
# add_subdirectory(client)      # uncomment later

# Simple test executable
add_executable(afterimage_test main.cpp)
target_link_libraries(afterimage_test PRIVATE afterimage_engine)

# Optional: Enable testing
enable_testing()
add_test(NAME afterimage_test COMMAND afterimage_test)