Re: SIZEOF_LONG 4 instead of 8 in 64-bits

[Kraiser <pietiatibia1 at gmail dot com>]

Mark Rose-3 wrote:
> 
>>
>> 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?
> 
> 
> 
ye i did
kraiser@myhost:~/amsn_received$ g++ main.cpp -m32
In file included from /usr/include/features.h:378,
                 from
/usr/include/c++/4.4/x86_64-linux-gnu/32/bits/os_defines.h:39,
                 from
/usr/include/c++/4.4/x86_64-linux-gnu/32/bits/c++config.h:243,
                 from /usr/include/c++/4.4/iostream:39,
                 from main.cpp:1:
/usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: Nie ma takiego pliku
ani katalogu


Tim Prince-4 wrote:
> 
> On 5/18/2010 10:50 AM, Ian Lance Taylor wrote:
>> Kraiser<pietiatibia1@gmail.com>  writes:
>>
>>    
>>> 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
>>>      
>> No, there is no support for that.  Sorry.
>>
>> Perhaps you could compile with -Dlong=int.  Wouldn't work if you ever
>> use the long long type, though.
>>
>> Ian
>>    
> or correct your program to use int32_t if that is your intention
> 
> -- 
> Tim Prince
> 
> 
> 
well on windows 7 64-bit allocation just works as in 32-bit windows/linux
however not in linux i belive that's because windows 64-bit uses LPP64 and
linux LP64 ...
-- 
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