Re: GCC 3.3.4 setting Stack and Heap

[Roger Leigh]

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Dave Dons <ddons@yahoo.com> writes:

> Help appreciated setting stack (and heap) in GCC Linux:
>
> gcc (GCC) 3.2.3 (mingw special 20030504-1) has no problems with:
> g++ -Wl,--heap,1048576,--stack,10485760
> However,
> gcc (GCC) 3.3.4 (Debian 1:3.3.4-9) in ClusterKnoppix 3.6
>
> g++ -Wl,--stack -Wl,10485760 axx1.cpp utils.cpp -Wall -Os -o axxgcc
> and all the other variations above give similar to:
>
> /usr/bin/ld: unrecognized option '--stack'
> /usr/bin/ld: use the --help option for usage information
> collect2: ld returned 1 exit status
>
> I suspect that this is not an issue specific to Knoppix or Debian.

That's correct.  You don't need to set either; it's specific to
MicroSoft systems.  On GNU/Linux, the stack grows and shrinks as
required, and the "heap" is grown/shrunk using sbrk and/or mmap as
required (using the standard new/malloc routines).


Regards,
Roger

- -- 
Roger Leigh
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