Bug#949544: src:deal.ii: FTBFS with tbb 2020.0-2

[Gilles Filippini]

Package: src:deal.ii
Version: 9.1.1-8
Severity: serious
Justification: FTBFS

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Hi,

deal.II FTBFS when built against tbb 2020.0-2:
- -- Found TBB_LIBRARY
- -- TBB_DEBUG_LIBRARY not found! Call:
- --     FIND_LIBRARY(TBB_DEBUG_LIBRARY NAMES tbb_debug HINTS PATH_SUFFIXES lib lib64 lib)
- -- Found TBB_INCLUDE_DIR
- --   TBB_VERSION: 0.0
- --   TBB_LIBRARIES: /usr/lib/x86_64-linux-gnu/libtbb.so
- --   TBB_INCLUDE_DIRS: /usr/include
- --   TBB_USER_INCLUDE_DIRS: /usr/include
- -- Found TBB
- -- The externally provided TBB library is older than version 4.2.0, which cannot be used with deal.II.
- -- DEAL_II_WITH_THREADS has unmet external dependencies.
CMake Error at cmake/macros/macro_configure_feature.cmake:112 (MESSAGE):
  

  Could not find the threads library!

  The externally provided TBB library is older than version

  4.2.0, which is the oldest version compatible with deal.II and its

  supported compilers.Please ensure that a suitable threads library is
  installed on your computer.

  If the library is not at a default location, either provide some hints for
  autodetection, or set the relevant variables by hand in ccmake.

Thanks,

_g.

- -- System Information:
Debian Release: buster/sid
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.4.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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