# 3.8 version is required for `cxx_std_17`
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)

if(NOT DEFINED PROJECT_NAME)
    set(BUILD_AS_STANDALONE ON)
endif()

project(promise.hpp)

add_library(${PROJECT_NAME} INTERFACE)
target_include_directories(${PROJECT_NAME} INTERFACE headers)
target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_17)

if(BUILD_AS_STANDALONE)
    option(BUILD_WITH_UNTESTS "Build with unit tests" ON)
    if(BUILD_WITH_UNTESTS)
        enable_testing()
        add_subdirectory(untests)
    endif()
endif()