Your message dated Tue, 15 Dec 2020 13:49:16 +0000
with message-id <[email protected]>
and subject line Bug#977154: fixed in cctools 7.1.2-5
has caused the Debian Bug report #977154,
regarding cctools: reproducible builds: python files contain different content
depending on parallelism
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
977154: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=977154
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: cctools
Severity: normal
Tags: patch
User: [email protected]
Usertags: randomness
X-Debbugs-Cc: [email protected]
Various .py files contain different code dependending on the level of
parallelism of the build.
The attached patch to debian/rules passes --no-parallel to dh, which
results in a reproducible build, but it is unclear weather the resulting
code is "correct", as some files contain additional code compared to
builds done with parallelism.
In general, I've found the parallel builds to produce the same code as
other parallel builds with different levels of parallelism, but clearly
different than serial builds.
Presumably there are jobs when run in parallel complete in a relatively
consistent order (e.g. two jobs, one very fast and one very slow), but
different than when run in serial (e.g. the slow job runs first?). I
have attached diffoscope output from a serial vs. parallel build.
Thanks for maintaining cctools!
live well,
vagrant
From 6577696033df719f86734a7647d241374bc1b7ea Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <[email protected]>
Date: Fri, 11 Dec 2020 19:04:08 +0000
Subject: [PATCH 3/3] debian/rules: Disable parallel builds to avoid changes in
Chirp.py.
---
debian/rules | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/debian/rules b/debian/rules
index 48eb287..9a70f9b 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,7 +6,7 @@ export DH_VERBOSE=1
# one ring to rule them all ...
%:
- dh $@
+ dh $@ --no-parallel
PY3:=$(shell py3versions -d)
CF:=$(shell dpkg-buildflags --get CFLAGS)
--
2.29.2
experiment-1.diffoscope.out
Description: Binary data
signature.asc
Description: PGP signature
--- End Message ---
--- Begin Message ---
Source: cctools
Source-Version: 7.1.2-5
Done: Alastair McKinstry <[email protected]>
We believe that the bug you reported is fixed in the latest version of
cctools, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Alastair McKinstry <[email protected]> (supplier of updated cctools package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Tue, 15 Dec 2020 12:55:50 +0000
Source: cctools
Architecture: source
Version: 7.1.2-5
Distribution: unstable
Urgency: medium
Maintainer: Alastair McKinstry <[email protected]>
Changed-By: Alastair McKinstry <[email protected]>
Closes: 977151 977153 977154
Changes:
cctools (7.1.2-5) unstable; urgency=medium
.
[ Vagrant Cascadian ]
* Embeds the home dir in binaries. Closes: #977151
* Embeds the home dir in binaries. Closes: #977153
.
[ Alastair McKinstry ]
* Set no-parallel to make build reproducible. Closes: #977154
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