Re: [PATCH v2 01/12] gitlab: enable ccache for many build jobs

[Michael Tokarev]

25.08.2023 11:34, Philippe Mathieu-Daudé wrote:
...
> __FILE__ is used by assert() family, some DEBUG_PRINTF(), but mainly
> by "qapi/error.h", so all error_setg*() calls.
>
> This has been bugging me since quite some time, since if you build
> the same QEMU in different paths (usually on different machines) then
> the output doesn't match.
>
> GCC 8 & Clang 10 provides -ffile-prefix-map, but

This option is automatically enabled on debian.  Still, ccache does
not use the old cache contents when building in a different directory.

/mjt