python 버전 관리를 위한 pyenv

개요

개발하고 있는 서버 A,B가 있는데 A서버는 python@3.7.6에서는 돌아가지만 python@3.11.4에서는 돌아가지 않는다.하지만, B서버는 python@3.11.4에서 돌아가고 python@3.7.6에서는 돌아가지 않는 상황..

따라서 필자는 파이썬 버전 관리가 필요하다고 생각했다.

 

 

설치

pyenv 설치

brew install pyenv

 

 

.bash_profile나 .zshrc에 pyenv 활성화 하는 스크립트 추가

echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n  eval "$(pyenv init -)"\nfi' >> ~/.bash_profile

 

 

.bash_profile나 .zshrc 변경사항 적용

exec "$SHELL"

 

 

pyenv를 이용해 python 설치

pyenv install 3.7.6
pyenv install 3.11.4

 

 

그런데 pyenv로 python@3.7.6 설치하다가 에러가 발생했다.

nopsled@playground  ~  pyenv install 3.7.6

python-build: use openssl@1.1 from homebrew
python-build: use readline from homebrew
Downloading Python-3.7.6.tar.xz...
-> https://www.python.org/ftp/python/3.7.6/Python-3.7.6.tar.xz
Installing Python-3.7.6...
python-build: use readline from homebrew
python-build: use zlib from xcode sdk

BUILD FAILED (OS X 13.4 using python-build 20180424)

Inspect or clean up the working tree at /var/folders/dl/r_8xbf8s37z1qztd3nml4tvh0000gn/T/python-build.20230804122132.4931
Results logged to /var/folders/dl/r_8xbf8s37z1qztd3nml4tvh0000gn/T/python-build.20230804122132.4931.log

Last 10 log lines:
clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include  -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include  -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration   -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/nopsled/.pyenv/versions/3.7.6/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/nopsled/.pyenv/versions/3.7.6/include  -DPy_BUILD_CORE_BUILTIN  -c ./Modules/pwdmodule.c -o Modules/pwdmodule.o
clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include  -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include  -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration   -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/nopsled/.pyenv/versions/3.7.6/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/nopsled/.pyenv/versions/3.7.6/include  -DPy_BUILD_CORE_BUILTIN  -c ./Modules/_sre.c -o Modules/_sre.o
clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include  -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include  -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration   -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/nopsled/.pyenv/versions/3.7.6/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/nopsled/.pyenv/versions/3.7.6/include  -DPy_BUILD_CORE_BUILTIN  -c ./Modules/_codecsmodule.c -o Modules/_codecsmodule.o
./Modules/posixmodule.c:8436:15: error: implicit declaration of function 'sendfile' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        ret = sendfile(in, out, offset, &sbytes, &sf, flags);
              ^
1 error generated.
make: *** [Modules/posixmodule.o] Error 1
make: *** Waiting for unfinished jobs....
1 warning generated.

 

문법 검사를 하다가 sendfile이 묵시적 선언 되어 컴파일할 때 에러가 난다는 내용인것 같다.

 

관련 내용 리서치하다 보니 다음 커맨드를 입력해서 설치하니까 에러없이 잘 설치 되었다.

CFLAGS="-I$(brew --prefix openssl)/include -I$(brew --prefix bzip2)/include -I$(brew --prefix readline)/include -I$(xcrun --show-sdk-path)/usr/include" LDFLAGS="-L$(brew --prefix openssl)/lib -L$(brew --prefix readline)/lib -L$(brew --prefix zlib)/lib -L$(brew --prefix bzip2)/lib" pyenv install --patch 3.7.6 < <(curl -sSL https://github.com/python/cpython/commit/8ea6353.patch\?full_index\=1)

 

 

출처

1) https://www.daleseo.com/python-pyenv/

여러 버전의 파이썬 관리하기 (pyenv)

2) https://github.com/pyenv/pyenv/issues/1737#issuecomment-827865222

Python 3.6-3.8 cannot be installed on Mac OS 11.0.1: "implicit declaration of function 'sendfile' is invalid in C99" · Issue #1