SIZEOF_LONG 4 instead of 8 in 64-bits

[Mark Rose]

>
> I need to use #define __SIZEOF_LONG__ 4 instead of #define __SIZEOF_LONG__
> 8
> in amd64 so my program will not double the memory usage how Can i do so?
> using debian and gcc 4.4.4

Have you tried using the -m32 flag?