project('mesonintrospect from scripts', 'c') python = import('python3').find_python() ret = run_command(python, ['check_env.py', '1']) if ret.returncode() == 0 find_program(ret.stdout()) else message(ret.stdout()) message(ret.stderr()) endif meson.add_postconf_script('check_env.py') meson.add_install_script('check_env.py')