Get Sun Studio - C, C++, & Fortran compilers and Tools v12.1.1 (March 2010) or higher:

     Sun Studio 12.1.1

pfexec pkg install developer/sunstudio12u1@12.1.1,5.11-0.111:20100306T002245Z

Note: Sun Studio 12.2 is now available.

Get GCC 3.4.3:

    

pfexec pkg install developer/gcc-3

Get CBE 1.8.0 from:

     http://dlc.sun.com/osol/jds/downloads/cbe/test/desktop-cbe-mini-1.8.0.tar.bz2

http://src.opensolaris.org/source/xref/jds/jds-cbe