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Bug#1115556: liblopsub FTCBFS: builds for the build architecture

From Helmut Grohne <helmut@subdivi.de>
Newsgroups linux.debian.bugs.dist
Subject Bug#1115556: liblopsub FTCBFS: builds for the build architecture
Date 2025-09-18 08:20 +0200
Message-ID <Lwg9P-geIO-27@gated-at.bofh.it> (permalink)
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Source: liblopsub
Version: 1.0.5-3.1
Tags: patch
User: debian-cross@lists.debian.org
Usertags: ftcbfs

liblopsub fails to cross build from source, because it builds for the 
build architecture. The easiest way of fixing this usually is using 
dh_auto_build, but this package appears to avoid debhelper where 
possible. Hence, I propose using dpkg's buildtools.mk instead. Then, the 
upstream build system needs reworking to support cross compilation. It 
builds two intermediate binaries run during build. For lopsubgen-stage1, 
we may just build it for the build architecture as it is not installed. 
lopsubgen however is both run and installed. I suggest building it twice 
(but only during cross compilation) and am attaching a patch to this 
end. Please propose this patch to upstream as it will enable cross 
building liblopsub on other distributions such as Yocto or PtxDist.

Helmut

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Thread

Bug#1115556: liblopsub FTCBFS: builds for the build architecture Helmut Grohne <helmut@subdivi.de> - 2025-09-18 08:20 +0200
  Bug#1115556: liblopsub FTCBFS: builds for the build architecture Andre Noll <maan@tuebingen.mpg.de> - 2025-09-20 18:30 +0200
    Bug#1115556: liblopsub FTCBFS: builds for the build architecture Helmut Grohne <helmut@subdivi.de> - 2025-09-22 23:20 +0200
      Bug#1115556: liblopsub FTCBFS: builds for the build architecture Andre Noll <maan@tuebingen.mpg.de> - 2025-09-24 20:20 +0200

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