GCC 4.1: Buildable on GHz machines only?

[Joe Buck]

On Wed, May 04, 2005 at 12:43:46PM -0400, Ian Lance Taylor wrote:
> At present the linker provides command line options --no-keep-memory
> and --reduce-memory-overheads to significantly reduce the amount of
> memory required during the link.
> 
> It should be possible in principle to partially adapt to available
> memory based on, e.g., physmem_total.  The linker could keep track of
> how much memory it has allocated via bfd_alloc and bfd_malloc.  If
> that total gets to be 75% of physmem_total, or something like that,
> the linker could switch to --no-keep-memory.
> 
> Unfortunately the decisions made by --reduce-memory-overhead apply at
> the start of the link.  At that time it is difficult to tell how much
> memory will be needed.

If the number gets much above 100%, it would probably be faster for the linker
to quit and start over than to proceed, and such an approach wouldn't be
hard to implement.