MacOs Big Sur 11.0.1 安装python报错

概述❯pyenvinstall3.6.8python-build:[email protected]:usereadlinefromhomebrewDownloadingPython-3.6.8.tar.xz...->https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tar.xzInstallingPython-3.6.8...python-build:usere

❯ pyenv install 3.6.8python-build: use [email protected] from homebrewpython-build: use readline from homebrewDownloading Python-3.6.8.tar.xz...-> https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tar.xzInstalling Python-3.6.8...python-build: use readline from homebrewpython-build: use zlib from xcode sdkBUILD Failed (OS X 11.0.1 using python-build 20180424)Inspect or clean up the working tree at /var/folders/bb/0bxy1cy57rb_pxdkvlyst3nh0000gn/T/python-build.20201120103846.92208Results logged to /var/folders/bb/0bxy1cy57rb_pxdkvlyst3nh0000gn/T/python-build.20201120103846.92208.logLast 10 log lines:struct sf_hdtr sf;^./Modules/posixmodule.c:8210:15: error: implicit declaration of function 'sendfile' is invalID in C99 [-Werror,-Wimplicit-function-declaration]ret = sendfile(in, out, offset, &sbytes, &sf, flags);^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 -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/usr/local/opt/[email protected]/include -I/Users/ethanyan/.pyenv/versions/3.6.8/include -I/usr/local/opt/[email protected]/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/usr/local/opt/[email protected]/include -I/Users/ethanyan/.pyenv/versions/3.6.8/include -I/usr/local/opt/[email protected]/include -DPy_BUILD_CORE -c ./Modules/_codecsmodule.c -o Modules/_codecsmodule.oclang -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 -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/usr/local/opt/[email protected]/include -I/Users/ethanyan/.pyenv/versions/3.6.8/include -I/usr/local/opt/[email protected]/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/usr/local/opt/[email protected]/include -I/Users/ethanyan/.pyenv/versions/3.6.8/include -I/usr/local/opt/[email protected]/include -DPy_BUILD_CORE -c ./Modules/_weakref.c -o Modules/_weakref.o2 errors generated.make: *** [Modules/posixmodule.o] Error 1make: *** Waiting for unfinished jobs....

Mac升级新版本之后，原有的开发环境不可用

1. 原有的开发环境安装了好几个Python版本；

2. 更新系统之后除自带的Python2.7之后，python3环境均不可用；

3. 刚开始执行python3会报错 images not load，网上的回答都是缺失libZib依赖，然而我的并不是

4. 我开始卸载所有的python3环境，准备重新安装环境依赖；

5. 采用brew install python3安装成功，默认安装最高版本python；

6. 此时我准备采用pipenv重新创建虚拟环境，但是高版本的python目前虚拟化不出低版本python；

7. 我又开始采用pyenv这个包管理工具进行python多环境管理；捣腾了大半天才发现Mac11.0.1版本不支持pyenv；

8. 此时已经快要炸了。（后边已经找到了其他解决方案，文章最底部会有 *** 作过程，但是我用了另一种方式）

9. 采用anaconda包管理工具。具体怎么 *** 作可以百度。

Step 1 Align command-line toolsOpen Xcode-beta.appGo to Preference > LocationsSelect the right version of command-line toolsStep 2 Install pythonIn this case, I installed 3.8.0. If you want to install a different version, you will need to change the version in the following command.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 3.8.0 < <(curl -sSL https://github.com/python/cpython/commit/8ea6353.patch\?full_index\=1)

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