Safely detect integer overflow in try_addint() and try_subint().
Old code relied on undefined behavior, and recent versions of GCC on x86
optimized away the if-statements.
This caused integer overflow in Lua code instead of falling back to
floating-point numbers.
Signed-off-by: Adam Bailey <aebailey@gmail.com>
One of the host patches introduces the new header file lnum_config.h
included by luaconf.h, but doesn't install it.
Install it to allow building C modules for the host Lua.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
SVN-Revision: 48907
