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regression in meson build, binaries lost reproducibility


From: Olaf Hering
Subject: regression in meson build, binaries lost reproducibility
Date: Thu, 29 Oct 2020 22:28:34 +0100

Up to qemu.git#v5.0.0 the produced binaries are all reproducible, when built 
from the same source with same configuration at different times on different 
hosts and filesystems. See https://reproducible-builds.org/ for hints why this 
might be a good idea.

Now with qemu.git#master this feature was lost. I briefly looked through the 
meson.build files for potential sources of error, like using wildcards for 
filelists. But it seems all to-be-compiled files are explicitly listed.

Is anyone familiar with the build process and has an idea why this feature was 
lost?

Olaf

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