Updating gcc mac
You use the check box to select/de-select the packages you want.On window closure, the checked packaged will be loaded and the unchecked ones (if loaded) will the detached (not completely as on Mac OS X you cannot unload completely dynamic libraries).The last section of this document contains the most frequently asked questions that don’t fit strictly into any of the categories above – it is usually a good idea to always look into that section if your issue doesn’t fit any of the above or was not answered in one of the specific sections. The installation is done by double-clicking on the Installer package.The Installer will guide you through the necessary steps.
The installation can be customized, but the default is suitable for most users.
The same applies to the itself from source, you’ll probably be unable to build packages from source on your own.