question about compiling in a 64 bits system

["Samuel Gaudard" <sgaudard at capgemini dot com>]

Hello,

I have a very simple question :

I'm porting an application from AIX 4.3 (32 bits) to AIX 5.2 (64 bits). So i
have to recompile all my source files.
I've installed gcc 3.3.2.0 on the new server.
If i compile using : gcc -g -o example example.c , will it compile in 64
bits mode ? (as the os is 64 bits)

Do i have to compile using the -maix64 flag ?

eg : gcc -maix64 -g -o example example.c
to get a 64 bit binary ?


Thanks in advance,

Samuel


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