pyenv安装python3.8时，错误：依赖Xcode中的zlib找不到

     pyenv安装python3.8时，错误：依赖Xcode中的zlib找不到

zipimport.ZipImportError: can't decompress data; zlib not available

    解决办法

CFLAGS="-I$(brew --prefix openssl)/include -I$(brew --prefix readline)/include -I$(xcrun --show-sdk-path)/usr/include" 
LDFLAGS="-L$(brew --prefix openssl)/lib -L$(brew --prefix readline)/lib -L$(xcrun --show-sdk-path)/usr/lib" 
pyenv install 3.8.5