On 3/25/19 12:13 AM, Robin Broda via arch-dev-public wrote: > Given that low-end systems can simply change the thread allocation to 1 or 2 > to slash the compressor memory usage as a trade-off on speed, > i don't think that is a problem. > > New changeset: > PKGEXT='.pkg.tar.zst' > COMPRESSZST=(zstd -c -T0 -20 -)
Wouldn't this require allowing COMPRESSZST to be set in /etc/makepkg.conf and read by makechrootpkg? Currently makechrootpkg accepts MAKEFLAGS for the same general purpose except for the build stage. Given that zstd -T is reproducible at any level, but -20 is not, it would need to check for and reject settings that contain an invalid compression level. Alternatively, I had proposed a patch to pacman-dev which would save more information like this, and could, I suppose, be extended to cover the compression flags as well. This would allow packagers to set whatever they wanted and be fully reproducible-builds.org, even, which seems like it would solve everyone's problems. -- Eli Schwartz Bug Wrangler and Trusted User
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