Bug#975593: python-mapnik: FTBFS against boost_1.74

[Anton Gladky]

Package: python-mapnik
Version: 1:0.0~20200224-7da019cf9-2
Severity: important
Tags: ftbfs
User: team+boost at tracker.debian.org
Usertags: boost174

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Dear maintainer,

it was discovered that your package failed to build
against boost_1.74. Logs can be found here [1]. Most relevant
part is probably this:

/usr/include/boost/spirit/home/karma/nonterminal/rule.hpp:140:9: error: static assertion failed: Const/reference qualifiers on Karma rule attribute are meaningless
  140 |         BOOST_STATIC_ASSERT_MSG(
      |         ^~~~~~~~~~~~~~~~~~~~~~~
error: command '/usr/bin/c++' failed with exit code 1

It is planned to push boost_1.74 as the default version in Debian/Bullseye.

[1] http://qa-logs.debian.net/2020/10/27-boost/boost/python-mapnik_0.0~20200224-7da019cf9-2_unstable_boost.log

Best regards

Anton

- -- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.9.0-1-amd64 (SMP w/8 CPU threads)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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