src/stdlib_flags.h

#include "util/options.h"

namespace lean {
options get_default_options() {
    options opts;
    // see https://leanprover.github.io/lean4/doc/make/index.html#further-bootstrapping-complications
#if LEAN_IS_STAGE0 == 1
    // switch to `true` for ABI-breaking changes affecting meta code
    opts.update("interpreter.prefer_native", false);
    // switch to `true` for changing built-in parsers
    opts.update("internal.parseQuotWithCurrentStage", false);
#endif
    return opts;
}
}