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Date: Sun, 19 Apr 2026 11:59:40 +0200
From: Helmut Grohne <helmut@subdivi.de>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: texmacs: does not work in foreign installations
Message-ID: <20260419095940.GA898853@subdivi.de>
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Package: texmacs-bin
Version: 1:2.1.4+ds-5
Severity: serious
Justification: does not work at all in foreign installations

texmacs fails to run when texmacs-bin is installed for foreign
architectures. Consider the following example:

    mmdebstrap --verbose --variant=apt unstable /dev/null --architecture=amd64,i386 --include=texmacs:i386 --chrooted-customize-hook=bash

Running texmacs then results in:

    /usr/bin/texmacs: line 76: exec: texmacs.bin: not found

This is due to /usr/bin/texmacs using dpkg-architecture to figure out
where its installation is, but the package's architecture does not match
the architecture reported by dpkg-architecture, so nothing is found. I
argue that /usr/bin/texmacs should not be using dpkg-architecture at
all. The previous implementation of interpolating the location at build
time was correct.

As an application (as opposed to a library), coinstalling several
texmacs-bin provides little use. The Multi-Arch: same annotation can
easily be dropped without loss of functionality.

Helmut
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