Bug#972425: mlpack: FTBFS: warning: the dot tool could not be found at dot-Gbgcolor=black

[Sebastian Ramacher]

Source: mlpack
Version: 3.4.1-2
Severity: serious
Tags: ftbfs sid bullseye
Justification: fails to build from source (but built successfully in the past)

mlpack fails to build on all architectures:
| cd /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/src/mlpack /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/src/mlpack/CMakeFiles/mlpack_headers.dir/DependInfo.cmake --color=
| warning: Tag 'USE_WINDOWS_ENCODING' at line 11 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'DETAILS_AT_TOP' at line 33 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'SHOW_DIRECTORIES' at line 71 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'HTML_ALIGN_MEMBERS' at line 150 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'XML_SCHEMA' at line 201 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'XML_DTD' at line 202 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'PERL_PATH' at line 234 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'MAX_DOT_GRAPH_WIDTH' at line 256 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: Tag 'MAX_DOT_GRAPH_HEIGHT' at line 257 of file '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/Doxyfile' has become obsolete.
|          To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
| warning: the dot tool could not be found at dot-Gbgcolor=black
|  (warning treated as error, aborting now)
| make[3]: *** [CMakeFiles/doc.dir/build.make:80: CMakeFiles/doc] Error 1
| make[3]: Leaving directory '/<<PKGBUILDDIR>>/obj-x86_64-linux-gnu'
| make[2]: *** [CMakeFiles/Makefile2:2504: CMakeFiles/doc.dir/all] Error 2

See
https://buildd.debian.org/status/fetch.php?pkg=mlpack&arch=amd64&ver=3.4.1-2&stamp=1602517529&raw=0
for example

Cheers
-- 
Sebastian Ramacher
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://alioth-lists.debian.net/pipermail/debian-science-maintainers/attachments/20201018/5e7c8a48/attachment-0001.sig>