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Re: SIZEOF_LONG 4 instead of 8 in 64-bits


On 05/18/2010 11:10 AM, Kraiser wrote:



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



Try installing the 32-bit glibc development libraries.


David Daney


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