Bug#972394: siconos: FTBFS could not find Python 3

[Markus Koschany]

Package: libsiconos-io-dev
Version: 4.3.0+dfsg-1
Severity: serious

Hi,

while I was rebuilding all reverse-dependencies of bullet, I
discovered that siconos fails to build from source. The issue is
related to Python 3, maybe a missing build-dependency.

Full build log is attached.


The error message is:


CMake Error at /usr/share/cmake-3.18/Modules/FindPackageHandleStandardArgs.cmake:165 (message):
  Could NOT find Python3 (missing: Python3_INCLUDE_DIRS Python3_LIBRARIES
  Development NumPy Development.Module Development.Embed) (found version
  "3.9.0")
Call Stack (most recent call first):
  /usr/share/cmake-3.18/Modules/FindPackageHandleStandardArgs.cmake:458 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-3.18/Modules/FindPython/Support.cmake:2966 (find_package_handle_standard_args)
  /usr/share/cmake-3.18/Modules/FindPython3.cmake:389 (include)
  cmake/SiconosSetup.cmake:58 (find_package)
  CMakeLists.txt:127 (include)

Regards,

Markus

-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-11-amd64 (SMP w/4 CPU threads)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: unable to detect

Versions of packages libsiconos-io-dev depends on:
pn  libsiconos-io6         <none>
pn  libsiconos-kernel-dev  <none>

libsiconos-io-dev recommends no packages.

libsiconos-io-dev suggests no packages.
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