On Jan 9, 8:34 am, Volker Braun <vbraun.n...@gmail.com> wrote:
> I say we don't do anything special. Ccache will use the default ~/.ccache
> or CCACHE_DIR if set. Why muck around with it if there is a perfectly fine
> configuration system in place already?
>
> [vbraun@volker-desktop ~]$ du -sh ~/.ccache/
> 44G /home/vbraun/.ccache/

Indeed, and *warn people about it*. On many multi-user systems, you
wouldn't want to use $HOME for such high-volume stuff, because it's
expensive storage (because of backups) and slow (because it's
networked).

Using the standard gives people tools to avoid doing so (i.e., set
$CCACHE_DIR or make .ccache a symlink).

Incidentally, how does ccache operate if $HOME/.ccache is shared
between computers with different architectures and operating system
versions/compiler versions? Does it notice and avoid that? Does it
notice when difference are small enough that both machines would
produce identical code? [I know ccache's specification promises that
its presence doesn't change code produced, but is a shared .ccache
within their assumptions?]

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