[ccache] Why not cache link commands?

[Andrew Stubbs]

On 19/09/12 13:18, Eitan Adler wrote:
>> Under what circumstances can the binary change but the build-id remain the
>> same? I'm aware of line number, and file path differences in the debug info.
>> Is there anything else?
>
> differing -frandom-seed options perhaps?

If you've changed the command line then you've already got a cache miss, 
but yes, that sounds plausible.

Andrew