Instructions on building the Spectral source code on Solaris 64-bit.
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Programs that need to be installed before building the source code:
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- Solaris 10
- Sun Studio 12
- Python 2.X, specifically 2.5 or later (http://www.python.org/download/)
- Subversion Command Line Client
  (http://downloads.open.collab.net/collabnet-subversion.html)
- SCons 1.2 or later (http://www.scons.org)
- Compatible Opticks SDK


Download these required dependencies:
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The Dependencies folder in the Opticks SDK contains a system which automatically
downloads the appropriate dependencies.  This system requires python v2.5 or
later.
> python dependencies.py --help
will provide a usage summary.  Most of the time, no command line options are
needed.  Install all the dependencies.
> python dependencies.py
This will download the appropriate dependencies builds and will install
them in the proper directories.

Point the OPTICKSDEPENDENCIES environment variable at the Dependencies
folder so the build system can find the installed dependencies.

Configure Spectral to find the Opticks SDK:
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1. Unzip a compatible Opticks SDK
2. Set the OPTICKS_CODE_DIR environment variable to the directory
   where the SDK was unzipped.

How to Build Spectral:
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In order to build Spectral, you will need to run the build-Spectral.py python
script that is included with the source code.

An example of building Opticks with build.py is shown below:
   ./build-Spectral.py -d /OpticksSDK/Dependencies --opticks-code-dir=/OpticksSDK --mode=debug --build-extension --concurrency=3

The -d command-line argument is used to point to the location where you
created the Opticks dependencies as mentioned earlier.  If you have
created an OPTICKSDEPENDENCIES environment variable, you don't need to
use the -d command-line argument.  You will always need to provide the
--mode and --build-extension arguments.
The --opticks-code-dir command-line argument is used to point to the location
where you unzipped the Opticks SDK as mentioned earlier.  If you have
created an OPTICKS_CODE_DIR environment variable, you don't need to
use the --opticks-code-dir command-line argument.
The --mode=debug command-line argument will cause a debug binary of Opticks
to be built; using the --mode=release command-line argument will
cause a release binary of Opticks to be built.  The
--concurrency command-line argument is optional, but it controls how many
concurrent compilers are used, so it may speed up your compilation time.
If you need more information about running build.py, run it with --help.

You may notice compiler and linker warnings, however there should not be
any compiler or linker errors.