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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"3.11 build reports missing _tkinter on Ubuntu 18.04","articleBody":"# Bug report\r\n\r\nPython 3.11 build on Ubuntu 18.04 reports `checking for stdlib extension module _tkinter... missing` even if all necessary packages are installed. This does not happen on Ubuntu 20.04, the difference that I noticed is that 20.04 packages include `.pc` files for pkg-config while on 18.04 they are not.\r\n\r\nInstalled packages on 18.04:\r\n```\r\nii  libtcl8.6:amd64                  8.6.8+dfsg-3                        amd64        Tcl (the Tool Command Language) v8.6 - run-time library files\r\nii  tcl                              8.6.0+9                             amd64        Tool Command Language (default version) - shell\r\nii  tcl-dev:amd64                    8.6.0+9                             amd64        Tool Command Language (default version) - development files\r\nii  tcl8.6                           8.6.8+dfsg-3                        amd64        Tcl (the Tool Command Language) v8.6 - shell\r\nii  tcl8.6-dev:amd64                 8.6.8+dfsg-3                        amd64        Tcl (the Tool Command Language) v8.6 - development files\r\n\r\n# dpkg -l | grep tk\r\nii  libtk8.6:amd64                   8.6.8-4                             amd64        Tk toolkit for Tcl and X11 v8.6 - run-time files\r\nii  tk                               8.6.0+9                             amd64        Toolkit for Tcl and X11 (default version) - windowing shell\r\nii  tk-dev:amd64                     8.6.0+9                             amd64        Toolkit for Tcl and X11 (default version) - development files\r\nii  tk8.6                            8.6.8-4                             amd64        Tk toolkit for Tcl and X11 v8.6 - windowing shell\r\nii  tk8.6-blt2.5                     2.5.3+dfsg-4                        amd64        graphics extension library for Tcl/Tk - library\r\nii  tk8.6-dev:amd64                  8.6.8-4                             amd64        Tk toolkit for Tcl and X11 v8.6 - development files\r\n```\r\n\r\nDockerfile, `RUN ./configure` eventually prints that _tkinter and _uuid are missing\r\n```dockerfile\r\nFROM ubuntu:18.04\r\nENV DEBIAN_FRONTEND=noninteractive\r\n\r\nWORKDIR /python\r\nRUN apt update\r\nRUN apt install --yes software-properties-common wget tar\r\nRUN add-apt-repository --yes --update --enable-source ppa:deadsnakes\r\nRUN apt-get build-dep --yes python3.11\r\nRUN wget https://www.python.org/ftp/python/3.11.0/Python-3.11.0.tar.xz\r\nRUN tar xvf Python-3.11.0.tar.xz\r\n\r\nWORKDIR /python/Python-3.11.0\r\nRUN ./configure\r\nENTRYPOINT /bin/bash\r\n```\r\n\r\n# Your environment\r\n\r\n\u003c!-- Include as many relevant details as possible about the environment you experienced the bug in --\u003e\r\n\r\n- CPython versions tested on: 3.11.0\r\n- Operating system and architecture: Ubuntu 18.04.6 amd64\r\n\r\n\u003c!--\r\nYou can freely edit this text. Remove any lines you believe are unnecessary.\r\n--\u003e\r\n","author":{"url":"https://github.com/vient","@type":"Person","name":"vient"},"datePublished":"2022-11-01T19:42:54.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":13},"url":"https://github.com/98973/cpython/issues/98973"}