Function build_time_vars

crates/vm/src/stdlib/_sysconfigdata.rs:37–74

(vm: &VirtualMachine)

    #[pyattr]
    fn build_time_vars(vm: &VirtualMachine) -> PyDictRef {
        let vars = vm.ctx.new_dict();
        let multiarch = multiarch();
        macro_rules! sysvars {
            ($($key:literal => $value:expr),*$(,)?) => {{
                $(vars.set_item($key, $value.to_pyobject(vm), vm).unwrap();)*
            }};
        }
        sysvars! {
            // Extension module suffix in CPython-compatible format
            "EXT_SUFFIX" => format!(".rustpython313-{multiarch}.so"),
            "MULTIARCH" => multiarch.clone(),
            "RUST_MULTIARCH" => RUST_MULTIARCH,
            // enough for tests to stop expecting urandom() to fail after restricting file resources
            "HAVE_GETRANDOM" => 1,
            // RustPython has no GIL (like free-threaded Python)
            "Py_GIL_DISABLED" => 1,
            "Py_DEBUG" => 0,
            "ABIFLAGS" => "t",
            // Compiler configuration for native extension builds
            "CC" => "cc",
            "CXX" => "c++",
            "CFLAGS" => "",
            "CPPFLAGS" => "",
            "LDFLAGS" => "",
            "LDSHARED" => "cc -shared",
            "CCSHARED" => "",
            "SHLIB_SUFFIX" => ".so",
            "SO" => ".so",
            "AR" => "ar",
            "ARFLAGS" => "rcs",
            "OPT" => "",
            "BASECFLAGS" => "",
            "BLDSHARED" => "cc -shared",
        }
        include!(concat!(env!("OUT_DIR"), "/env_vars.rs"));
        vars
    }
}