Install Python 3.8.6 on macOS Big Sur using pyenv
problem
- macOS BigSur 11.0 beta
- Xcode 12.2 beta 3
- Command Line Tools for Xcode 12 beta 3
When running pyenv install 3.8.6 in the above environment, the build fails as shown below
$
..
BUILD FAILED (OS X 11.0 using python-build 20180424)
..
solution
Step1: Command line tool settings
- Open
Xcode-beta.app - Preference > Locations
- Change Command Line Tools to the desired version
Step2: Installation
Do the following in the shell
$
LDFLAGS="-L$(xcrun --show-sdk-path)/usr/lib" pyenv install 3.8.6
Confirmation
$
pyenv versions
* system (set by /usr/local/var/pyenv/version)
3.8.6
Set globally, reload shell, check Python version
pyenv global 3.8.6
zsh -l
python --version
Python 3.8.6
It became 3.8.6 safely
Source: https://github.com/pyenv/pyenv/issues/1643 https://medium.com/@koji_kanao/install-python-3-8-0-via-pyenv-on-bigsur-b4246987a548
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