Re: Shared ccache directory between docker containers

Joel Rosdahl <[email protected]> Sat, 6 Feb 2016 17:27:24 +0100

Newsgroups	gmane.comp.compilers.ccache
Message-ID	<CAK8D=pjJcdVC=iUn8yDAruZMFWtz3p1ua=vJxOj-CBWmEpvgEg@mail.gmail.com>

Hi,

On 5 February 2016 at 12:05, Ragnar Rova <[email protected]> wrote:

Is it safe to share the ccache directory between docker containers wrt
> to locking?

I think so.

ccache version 3.1.10
> ccache: FATAL: Failed to open
> /var/tmp/docker-build-ccache/tmp/tmp.cpp_stderr.docker-host.21810: No such
> file or directory

Yes, ccache 3.1.* and earlier rely on the tuple <hostname, pid> being
unique when creating temporary files. This has been fixed in the ccache 3.2
series, so try upgrading if possible.

-- Joel