building world via ccache broken?

[Matt Joras]

On 10/02/2017 15:23, Pete Wright wrote:
>
>
> On 10/02/2017 13:07, Pete Wright wrote:
>> hey there,
>> i've been unable to buildworld using ccache for a while. initially i
>> assumed it was due to some incompatibilities on the drm-next branch
>> which i was running, but i've since cut over to CURRENT and am still
>> having issues.  running "make buildworld" i am running into this
>> exception:
>>
>> /usr/home/pwright/git/freebsd/lib/libufs/cgroup.c:217:11: error: no
>> member named 'fs_metackhash' in 'struct fs'
>>         if ((fs->fs_metackhash & CK_CYLGRP) != 0) {
>>              ~~  ^
>>
>>
>> full exception here:
>> https://gist.github.com/nomadlogic/30771aacd05d6dbb1c0cbebfb2ef6b61
>>
>> I am going to re-run this w/o ccache - to verify that this is a
>> ccache related issue.  I guess my first question - is anyone else
>> using ccache successfully?
>>
>
> fwiw building the world without ccache works as expected.  perhaps my
> make.conf is not correctly configured?
>
> $ cat /etc/make.conf
> .if !defined(NO_CCACHE)
>   CC= /usr/local/libexec/ccache/world/cc
>   CXX= /usr/local/libexec/ccache/world/c++
> .endif
>
> cheers,
> -pete
>
Someone can correct me if I'm wrong but I believe the current "correct"
way to get ccache builds is WITH_CCACHE_BUILD set in src.conf.
src.conf(5) seems to indicate as much as well. To answer your question,
yes, I am I'm sure many others are building world on HEAD with ccache
without issue.