Compiling NCBI’s blast 2.2.28+ in Mountain Lion

Note: left gutter and numbers in shell commands below to help differentiate the terminal commands and outputs from the text describing what I did. Recently, NCBI sent an e-mail about the release of blast version 2.2.28+. Since my post on compiling NCBI's blast 2.2.27+ there has been two updates to Apple's Xcode, claiming to have …