pip raises stdio.h not found error on Mac OS X Mavericks (10.9)

Question

I have tried countless solutions at this point and nothing seems to work. I\'m trying to install mysql-python, but this happens with numpy and other packages requiring gcc a

Answer 1

This worked for me

xcode-select --install

Answer 2

As @wegry mentioned above--

brew install python

confirming with

$ which python
/usr/local/homebrew/bin/python

just made this entirely go away. Successfully installed numpy and mysql-python with pip!

Answer 3

Starting from Mojave xcode-select --install is not enough, you should also install the package that can be found at /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg. Source: https://forums.developer.apple.com/thread/104296