Working on web, change python to lua

cmake/patches/sol2-3.3.0-clang-optional.patch

@@ -0,0 +1,14 @@
+--- a/include/sol/optional_implementation.hpp
++++ b/include/sol/optional_implementation.hpp
+@@ -2189,7 +2189,10 @@
+ 		template <class... Args>
+ 		T& emplace(Args&&... args) noexcept {
+ 			static_assert(std::is_constructible<T, Args&&...>::value, "T must be constructible with Args");
+
+ 			*this = nullopt;
+-			this->construct(std::forward<Args>(args)...);
++			// Reference specialization stores a pointer; set it directly.
++			// construct() only exists in the non-reference specialization.
++			m_value = std::addressof(std::forward<Args>(args)...);
++			return *m_value;
+ 		}