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INSTALLATION VIA COMPILATION
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See also: http://pymolwiki.org/index.php/Linux_Install

REQUIREMENTS

    - C++17 compiler (e.g. gcc 8+)
    - CMake (3.13+)
    - Python 3.9+
    - pip (with build submodule <pip install build>; conda's package name is python-build)
    - Pmw (Python Megawidgets) (optional, for legacy GUI/plugins)
      https://github.com/schrodinger/pmw-patched
    - OpenGL
    - GLEW
    - GLUT (freeglut) (optional, enable with --glut=true)
    - libpng
    - freetype
    - libxml2 (optional, for COLLADA export, disable with --libxml=no)
    - msgpack-c 2.1.5+ (optional, for fast MMTF loading and export,
        disable with --use-msgpackc=no)
    - mmtf-cpp (for fast MMTF export, disable with --use-msgpackc=no)
    - PyQt5, PyQt6, PySide2 or PySide6 (optional, will fall back to Tk
        interface if compiled with --glut=true)
    - glm
    - catch2 (optional, enable with --testing=true)
    - openvr 1.0.x (optional, enable with --openvr=true)
    - libnetcdf (optional, disable with --vmd-plugins=no)

SETUP OPTIONS

    pip install --help

    Special install options:
      --pymol-path=       installation directory for PyMOL data ($PYMOL_PATH)
      --no-launcher       skip installation of the pymol launcher

    Environment variables:
      PREFIX_PATH   Colon-delimited list of paths to search for headers and
                    libraries, e.g. $HOME/mmtf-cpp:$HOME/msgpack-c:/opt/local
      CXX           C++ compiler command
      CC            C compiler command
      CXXFLAGS      C++ compiler flags
      CFLAGS        C compiler and linker flags
      CPPFLAGS      C/C++ preprocessor flags, e.g. -I/tmp/msgpack-c/include
      LDFLAGS       linker flags

INSTALLATION

    Clean build and installation
      pip install .

    Recommended for developers (build output, incremental build, and building C++ unit tests)
      pip install --verbose --no-build-isolation --config-settings testing=True .

RUNNING PyMOL

    $PYMOL_PATH/bin/pymol
    or
    $PYTHONUSERBASE/bin/pymol

Good luck!