Public bug reported:
Description:
I am reporting a packaging bug in the visp package (version 3.7.0-10) currently
in Ubuntu 26.04.
The issue lies in the override_dh_auto_install target in debian/rules.
Currently, the architecture-dependent build (arch build) is installed
before the architecture-independent documentation build (doc build). As
a result, when the doc build runs, it overwrites critical configuration
files in the install directory with files generated during the doc
build, which lacks support for 3rd-party dependencies (OpenCV, X11,
etc.).
Impact:
Because of this, libvisp-dev installs incorrect configuration files
(VISPConfig.cmake, visp.pc, etc.) that lack necessary 3rd-party integration.
This breaks downstream projects relying on these configuration files to locate
ViSP dependencies.
Proposed Fix:
The order of operations in debian/rules should be swapped so that the
architecture-dependent build runs last, ensuring it correctly populates the
final directory structure.
Here is the recommended change in debian rules:
override_dh_auto_install:
if [ -z "$(WITHOUT_DOC)" ]; then \
if [ -d "$(BUILDDIR_DOC)" ]; then \
dh_auto_install --indep
--builddirectory=$(BUILDDIR_DOC); \
fi; \
fi
if [ -d "$(BUILDDIR)" ]; then \
dh_auto_install --arch --builddirectory=$(BUILDDIR); \
fi
Additional Information:
This mirrors the fix required to ensure that VISPConfig.cmake,
VISPConfig-version.cmake, VISPUse.cmake, visp-config, visp.pc, and vpConfig.h
correctly reflect the full 3rd-party build (OpenCV, X11, etc.) instead of being
overwritten by the doc build's limited configuration.
Upstream/Debian Status:
This issue has already been identified and addressed in the Debian Science
repository. The fix, which involves swapping the order of the
architecture-dependent and architecture-independent builds in debian/rules, has
been implemented in the following commit:
https://salsa.debian.org/science-team/visp/-/commit/aa12a338
** Affects: visp (Ubuntu)
Importance: Undecided
Status: New
** Tags: found-in-26.04 packaging patch
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https://bugs.launchpad.net/bugs/2158276
Title:
libvisp-dev: package files overwritten by doc build in debian/rules
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