python_setup.cmake: add FIREBASE_PYTHON_PYVENV_DEST_DIR cmake cache var #9669
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Add the cmake cache variable
FIREBASE_PYTHON_PYVENV_DEST_DIR
. This variable will be used by theFirebaseSetupPythonInterpreter()
function added in #9662 to allow a custom directory to be specified for the root directory of the python virtualenvs it creates.This can be used as a workaround for virtualenv paths that exceed the Windows maximum path length of 260. For example, this happened in the
build-desktop-windows-latest-openssl
workflow in the firebase-cpp-sdk repository.#no-changelog