MACPORTS

port installed
port list installed     ## not the same as above, and much slower

Package Manager Installation from source distribution

Follow along http://www.macports.org/install.php

Xcode Developer Tools Version Check

Requires Xcode Developer Tools (version 4.4 or later for Mountain Lion, 4.1 or later for Lion, 3.2 or later for Snow Leopard, or 3.1 or later for Leopard)

b2mc uses Lion with Xcode 4.3.1:

b2mc:MacPorts-2.1.3 heprez$ uname -a
Darwin b2mc.kek.jp 11.4.0 Darwin Kernel Version 11.4.0: Mon Apr  9 19:32:15 PDT 2012; root:xnu-1699.26.8~1/RELEASE_X86_64 x86_64

b2mc:MacPorts-2.1.3 heprez$ mdls -name kMDItemVersion /Applications/XCode.app
kMDItemVersion = "4.3.1"

Xcode EULA agreement

/Applications/Xcode.app/Contents/Resources/English.lproj/License.rtf

b2mc:MacPorts-2.1.3 heprez$ xcodebuild -license

You have not agreed to the Xcode license agreements. You must agree to both license agreements below in order to use Xcode.
Hit the Enter key to view the license agreements at '/Applications/Xcode.app/Contents/Resources/English.lproj/License.rtf'
...

By typing 'agree' you are agreeing to the terms of the software license agreements. Type 'print' to print them or anything else to cancel, [agree, print, cancel]  agree

You can view the license agreements in Xcode's About Box, or at /Applications/Xcode.app/Contents/Resources/English.lproj/License.rtf

Source Build

./configure && make && sudo make install

Congratulations, you have successfully installed the MacPorts system. To get the Portfiles and update the system, add /opt/local/bin to your PATH and run:
sudo port -v selfupdate
Please read "man port", the MacPorts guide at http://guide.macports.org/ and Wiki at https://trac.macports.org/ for full documentation.

selfupdate

After adding /opt/local/bin to PATH in ~/.bash_profile:

b2mc:MacPorts-2.1.3 heprez$ sudo port -v selfupdate
--->  Updating MacPorts base sources using rsync
receiving file list ... done
base.tar

simon:e blyth$ date
Mon  9 Sep 2013 15:26:11 CST
simon:e blyth$ sudo port selfupdate
Password:
--->  Updating MacPorts base sources using rsync
MacPorts base version 2.1.2 installed,
MacPorts base version 2.2.0 downloaded.
--->  Updating the ports tree
--->  MacPorts base is outdated, installing new version 2.2.0
Installing new MacPorts release in /opt/local as root:admin; permissions 0755; Tcl-Package in /Library/Tcl
The ports tree has been updated. To upgrade your installed ports, you should run
  port upgrade outdated

Selecting ports

See port help select, usage example:

port select --list python
Available versions for python:
      none
      python25
      python25-apple
      python26 (active)

sudo port select python python25         ##  python 2.5.5
sudo port select python python25-apple   ##  python 2.5.1  still /opt/local/bin/python
sudo port select python none             ##  python 2.5.1  direct /usr/bin/python

port select --show python

Functions

macports-get

source get, typically GUI approaches are used rather than this commandline way

http://www.macports.org/install.php