MacOS Big Sur - Install Python 3.5-dev

macos_big_sur_install_python35-dev.sh

#!/bin/bash

# Install xcode
xcode-select --install

# Install homebrew
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

brew update

# Install necessary dependencies
brew install openssl readline sqlite3 xz zlib
brew install [email protected]

export LDFLAGS="-L/usr/local/opt/zlib/lib" 
export CPPFLAGS="-I/usr/local/opt/zlib/include

# Install pyenv
brew install pyenv

# For upgrading to latest version of pyenv
brew upgrade pyenv

# Setting important flags
set -ex

export CFLAGS="-I$(brew --prefix openssl)/include -I$(brew --prefix readline)/include -I$(xcrun --show-sdk-path)/usr/include"
export LDFLAGS="-L$(brew --prefix openssl)/lib -L$(brew --prefix readline)/lib -L$(xcrun --show-sdk-path)/usr/lib -L/usr/local/opt/zlib/lib"
export CPPFLAGS="-I/usr/local/opt/zlib/include"
export PKG_CONFIG_PATH="/usr/local/opt/zlib/lib/pkgconfig"

export SYSTEM_VERSION_COMPAT=1

pyenv install --patch 3.5-dev < <(curl -sSL https://github.com/python/cpython/commit/8ea6353.patch)

# Check avaialble version of python installed 
pyenv install --list

SKIP respective installation if that is already installed.