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Date: Tue, 13 May 2025 21:08:32 +0200
From: Lucas Nussbaum &lt;lucas@debian.org&gt;
To: submit@bugs.debian.org
Subject: manderlbot: FTBFS with make --shuffle=reverse: make[2]: ***
 [Makefile:238: ebin/misc_tools.beam] Error 1 shuffle=reverse
Message-ID: &lt;aCOYsAzkghGQMO15@grub.nussbaum.fr&gt;
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Source: manderlbot
Version: 0.9.3-3
Severity: minor
Tags: trixie sid ftbfs
User: lucas@debian.org
Usertags: ftbfs-shuffle

Hi,

GNU Make now has a --shuffle option that simulates non-deterministic ordering
of target prerequisites. See
https://trofi.github.io/posts/238-new-make-shuffle-mode.html and also previous
work in Debian by Santiago Vila:
https://people.debian.org/~sanvila/make-shuffle/

This package fails to build with make --shuffle=reverse.
This is likely to be caused by a missing dependency in
debian/rules or an upstream Makefile.

More information about this mass bug filing is available at
https://wiki.debian.org/qa.debian.org/FTBFS/Shuffle

Relevant part (hopefully):
&gt; make[2]: Entering directory '/build/reproducible-path/manderlbot-0.9.3'
&gt; Makefile:230: warning: overriding recipe for target 'ebin'
&gt; Makefile:126: warning: ignoring old recipe for target 'ebin'
&gt; Makefile:237: update target 'ebin/misc_tools.beam' due to: target does not exist
&gt; echo  &quot;Compiling  src/misc_tools.erl ... &quot;
&gt; Compiling  src/misc_tools.erl ... 
&gt; /bin/erlc  -I ./inc -I /usr/lib/erlang/lib/xmerl-2.1.2/include/ -o ebin src/misc_tools.erl
&gt; /build/reproducible-path/manderlbot-0.9.3/ebin/misc_tools.bea#: error writing file: no such file or directory
&gt; src/misc_tools.erl:166:6: Warning: variable 'EventName' is unused
&gt; %  166|     {EventName, Date} = Event,
&gt; %     |      ^
&gt; 
&gt; src/misc_tools.erl:167:6: Warning: variable 'LastEventName' is unused
&gt; %  167|     {LastEventName, LastDate} = LastEvent,
&gt; %     |      ^
&gt; 
&gt; src/misc_tools.erl:182:6: Warning: variable 'Sep' is unused
&gt; %  182| join(Sep, []) -&gt;
&gt; %     |      ^
&gt; 
&gt; make[2]: *** [Makefile:238: ebin/misc_tools.beam] Error 1 shuffle=reverse


The full build log is available from:
http://qa-logs.debian.net/2025/05/05/shuffle/reverse/manderlbot_0.9.3-3_unstable_reverse.log

If you reassign this bug to another package, please mark it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects
]