[Bug 2139687] Re: openvswitch: FTBFS E: pybuild pybuild:147: cannot detect build system, please use --system option or set PYBUILD_SYSTEM env. variable

Bug Watch Updater 2139687 at bugs.launchpad.net
Sun Feb 8 18:45:25 UTC 2026


** Changed in: openvswitch (Debian)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/2139687

Title:
  openvswitch: FTBFS E: pybuild pybuild:147: cannot detect build system,
  please use --system option or set PYBUILD_SYSTEM env. variable

Status in openvswitch package in Ubuntu:
  Fix Released
Status in openvswitch package in Debian:
  Fix Released

Bug description:
  Imported from Debian bug http://bugs.debian.org/1126096:

  Source: openvswitch
  Version: 3.6.0-6
  Severity: serious
  Tags: ftbfs sid trixie
  Justification: fails to build from source (but built successfully in the past)

  Hi,

  openvswitch fails to build with the following error:

  export PKG_CONFIG_PATH=/build/reproducible-path/openvswitch-3.6.0/debian/tmp/usr/lib/pkgconfig; export PKG_CONFIG_SYSROOT_DIR=/build/rep
  roducible-path/openvswitch-3.6.0/debian/tmp; export PKG_CONFIG_SYSTEM_INCLUDE_PATH=/; export PKG_CONFIG_SYSTEM_LIBRARY_PATH=/; enable_sh
  ared=no extra_cflags="`pkg-config --cflags libopenvswitch`" extra_libs="-Wl,-Bstatic -lopenvswitch -Wl,-Bdynamic `pkg-config --libs --st
  atic libopenvswitch`" pybuild --build
  E: pybuild pybuild:147: cannot detect build system, please use --system option or set PYBUILD_SYSTEM env. variable
  make[1]: *** [debian/rules:202: override_dh_auto_build] Error 11

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