bcron cannot be cross built from source, because its python3 dependency
cannot be installed for the host architecture. It really wants to run
python3 though, so it should request it for the build architecture e.g.
by annotating the dependency :any. Beyond this, debian/rules forces the
build architecture compiler. A simple solution to get the right compiler
is asking dpkg's buildtools.mk for help. Please consider applying the
attached patch to make bcron cross buildable.

Helmut

We believe that the bug you reported is fixed in the latest version of
bcron, 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 984576@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Georges Khaznadar <georgesk@debian.org> (supplier of updated bcron 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 ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Mon, 13 Jun 2022 19:34:54 +0200
Source: bcron
Architecture: source
Version: 0.11-10
Distribution: unstable
Urgency: low
Maintainer: Debian QA Group <packages@qa.debian.org>
Changed-By: Georges Khaznadar <georgesk@debian.org>
Closes: 983799 984576
Changes:
 bcron (0.11-10) unstable; urgency=low
 .
   [ Debian Janitor ]
   * QA Upload.
     Orphan package - see bug 983799.
 .
   [ Georges Khaznadar ]
   * adopted the package, in order to participate to the transition
     implying the new package cron-daemon-common, which provides common
     data files and directories for all packages which implement cron-daemon.
     Closes: #983799
   * added Conflicts/Replaces clauses for all other packages which can
     provide cron-daemon, and for the previous version of bcron. Added
     a Pre-Depends clause on cron-daemon-common, on ${misc:Pre-Depends},
     and init-system-helpers (>= 1.54~)
   * added a target override_dh_auto_clean into d/rules to erase generated
     files before a rebuild
   * bumped Standards-Version: 4.6.0, debhelper-compat (= 13)
   * applied Helmut Grohne's patch. Closes: #984576, see below
   * modified the recommendation on daemon, to become a dependency
   * modified scripts bcron-update in order to let the pre-dependency
     package cron-daemon-common rule the directory /var/spool/cron/crontabs,
     and let files /var/spool/cron/crontabs/* have the root owner and crontab
     group
   * created the file d/bcron.prerm to move files
     /var/spool/cron/crontabs/:etc:* to /var/tmp when the package is removed.
 .
   [Helmut Grohne]
   * Fix FTCBFS:
     + Annotate python3 dependency with :any.
     + Let dpkg's buildtools.mk supply a CC.
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