File CMakeLists.txt of Package test

cmake_minimum_required(VERSION 3.15)
project(test LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
include(GNUInstallDirs)

add_executable(hello hello.cpp)

install(TARGETS hello DESTINATION ${CMAKE_INSTALL_BINDIR})