[ccache] Trouble sharing cache results when compiling with -isystem instead of -I

[Andrew Stubbs]

On 03/09/15 23:03, Robert Houghton wrote:
> Is looks like ccache v3.2.1 will not use the CCACHE_BASEDIR option when
> considering paths provided by -isystem. Is this intentional, an oversight,
> or a bug?

I'd say it's not intentional. -I and -isystem differ only in the search 
order, which shouldn't be significant for ccache.

Andrew