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


From: Michael Tokarev
Subject: Re: [PATCH v2 01/12] gitlab: enable ccache for many build jobs
Date: Fri, 25 Aug 2023 12:13:52 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0

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



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