LY_DEFINE (ly_add_option, "ly:add-option", 3, 0, 0,
(SCM sym, SCM val, SCM description),
"Add a program option @var{sym} with default @var{val}.")
{
if (!option_hash)
LY_DEFINE (ly_add_option, "ly:add-option", 3, 0, 0,
(SCM sym, SCM val, SCM description),
"Add a program option @var{sym} with default @var{val}.")
{
if (!option_hash)