cmake_minimum_required(VERSION 3.20)

project(
  hello
  VERSION 0.1.0
  LANGUAGES CXX)

list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")

include(ExportCompileCommands)
include(sccache)

if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
  include(CTest)
endif()

include(FetchContent)

configure_file("${PROJECT_SOURCE_DIR}/include/version.h.in"
               "${PROJECT_BINARY_DIR}/include/version.h")

add_executable(hello src/main.cpp src/null.cpp src/constexp.cpp
                     src/ifswitch.cpp src/initlist.cpp)

target_compile_features(hello PUBLIC cxx_std_20)

target_include_directories(hello PRIVATE "${PROJECT_BINARY_DIR}/include"
                                         "${PROJECT_SOURCE_DIR}/include")

if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
  add_subdirectory(tests)
endif()