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pyenvで「BUILD FAILED (OS X 14.2.1 using python-build 20180424)」でOpenSSLモジュールが見つからない時の対処法

Last updated at Posted at 2024-01-17

環境

OS:macOS 14.2.1
pyenv 2.3.35
shell: zsh

起こっていた問題

pyenvで python 3.11.4をインストールしようとしたら下記のようなエラーが発生

❯ pyenv install 3.11.4                                                                                                               ─╯
python-build: use openssl@1.1 from homebrew
python-build: use readline from homebrew
Downloading Python-3.11.4.tar.xz...
-> https://www.python.org/ftp/python/3.11.4/Python-3.11.4.tar.xz
Installing Python-3.11.4...
python-build: use tcl-tk from homebrew
python-build: use readline from homebrew
python-build: use zlib from homebrew
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/Users/toyama/.pyenv/versions/3.11.4/lib/python3.11/ssl.py", line 100, in <module>
    import _ssl             # if we can't import it, let the error propagate
    ^^^^^^^^^^^
ModuleNotFoundError: No module named '_ssl'
ERROR: The Python ssl extension was not compiled. Missing the OpenSSL lib?

Please consult to the Wiki page to fix the problem.
https://github.com/pyenv/pyenv/wiki/Common-build-problems


BUILD FAILED (OS X 14.2.1 using python-build 20180424)

どうやらopensslのモジュールが見つけられない模様

解決法

インストールはされているので環境変数を設定する

zshrc
export LDFLAGS="-L/opt/homebrew/opt/openssl@3/lib $LDFLAGS"
export CPPFLAGS="-I/opt/homebrew/opt/openssl@3/include $CPPFLAGS"
export PKG_CONFIG_PATH="/opt/homebrew/opt/openssl@3/lib/pkgconfig"

これでいけると思われたがまた同じエラーが発生
色々調べた結果OpenSSLの1.1を指定する必要がある模様

zshrc
export LDFLAGS="-L/opt/homebrew/opt/openssl@1.1/lib $LDFLAGS"
export CPPFLAGS="-I/opt/homebrew/opt/openssl@1.1/include $CPPFLAGS"
export PKG_CONFIG_PATH="/opt/homebrew/opt/openssl@1.1/lib/pkgconfig"

成功しました

❯ pyenv install 3.11.4                                                                                                               ─╯
python-build: use openssl@1.1 from homebrew
python-build: use readline from homebrew
Downloading Python-3.11.4.tar.xz...
-> https://www.python.org/ftp/python/3.11.4/Python-3.11.4.tar.xz
Installing Python-3.11.4...
python-build: use tcl-tk from homebrew
python-build: use readline from homebrew
python-build: use ncurses from homebrew
python-build: use zlib from xcode sdk
Installed Python-3.11.4 to /Users/toyama/.pyenv/versions/3.11.4
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