Check your Mac OS X installation DVD or Apple Developer Connection (http://developer.apple.com/) for the latest version.

To verify that GCC works, open Finder | Applications | Utilities | Terminal and type:

$ gcc

You should see:

We have just finished explaining how to install and test a C compiler on Mac OS X.

To download MinGW with Internet Explorer:

Windows will present a series of dialogues you can answer based on the following suggestions:

You should see:

Now that a C compiler is installed, we would like to be able to easily run the gcc command from the Command Prompt. To accomplish this, perform the following steps:

You should see:

To verify that your C compiler works, select Start | All Programs | Accessories | Command Prompt and type:

$ gcc

You should see:

We have just demonstrated how to install and test a C compiler on Windows.

Later, when you try to compile Zope 2, your Buildout may fail with a Visual Studio error like this:

To avoid this error, you can configure Distribute to use MinGW's C compiler. Just create a file called C:\Python\Lib\Distutils\distutils.cfg, and include the following contents:

[build] 
compiler=mingw32

Visit http://plone.org/documentation/kb/using-buildout-on-windows/ for more information.

To verify that GCC works, type:

$ gcc  
gcc: no input files 

You should see:

We have just demonstrated how to install and test a C compiler on Ubuntu Linux.

Later on, when you are using Buildout to install Python, you may encounter this error:

To avoid this error, install the zlib1g-dev library:

$ sudo aptitude install zlib1g-dev