'failed to install python versions using pyenv on macos

I am trying to install python 3.8.5 using pyenv on my new MacBook Pro.

I was able to install pyenv successfully and confirmed it was working fine. It is quite weird as I was able to install python 3.9.2 successfully using pyenv on my MacOS.

The problem arises when I tried to install another python version such as 3.8.5.

I get the error messages as below.

~ » pyenv install 3.8.5
python-build: use [email protected] from homebrew
python-build: use readline from homebrew
Downloading Python-3.8.5.tar.xz...
-> https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tar.xz
Installing Python-3.8.5...
python-build: use readline from homebrew
python-build: use zlib from xcode sdk

BUILD FAILED (OS X 11.2.2 using python-build 20180424)

Inspect or clean up the working tree at /var/folders/gm/wv5zbtxx6gl2cbg9yszmxnzc0000gn/T/python-build.20210403160603.37920
Results logged to /var/folders/gm/wv5zbtxx6gl2cbg9yszmxnzc0000gn/T/python-build.20210403160603.37920.log

Last 10 log lines:
checking size of _Bool... 1
checking size of off_t... 8
checking whether to enable large file support... no
checking size of time_t... 8
checking for pthread_t... yes
checking size of pthread_t... 8
checking size of pthread_key_t... 8
checking whether pthread_key_t is compatible with int... no
configure: error: Unexpected output of 'arch' on OSX
make: *** No targets specified and no makefile found.  Stop.

I tried to follow some ways to resolve the issue as described in

https://github.com/pyenv/pyenv/wiki/Common-build-problems (common build problem)

However, I get the same outcome each time I try to install python versions using pyenv.

I am new to MacOS, I would like to get some advice on this. Could anyone help on this?

Thank you very much!

pythonmacosvirtualenvpyenv


Solution 1:[1]

the error you are facing may be caused by an older version of the xcode command line tool. Please try typing and running the following command.It may change something.

xcode-select --install

LDFLAGS="-L$(xcrun --show-sdk-path)/usr/lib" pyenv install 3.8.5

I hope it works for you.

Solution 2:[2]

I installed first python 3.10.3 and the project which I was trying to execute requires python 2 for that reason I tried to install using pyenv install 2.7.9 but I got ld: symbol(s) not found for architecture i386. I fixed it installing.

brew install openssl readline sqlite3 xz zlib

as it is recommended in the documentation

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1
Solution 2 cristian.nieto.dev

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