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	    Getting started with the Userland Consolidation


Getting Started

    This README provides a very brief overview of the gate, how to retrieve
    a copy, and how to build it.  Detailed documentation about the Userland
    gate can be found in the 'doc' directory.  Questions or comments about
    the gate can be addressed to [email protected]. 

Overview

    The Userland consolidation maintains a Git repository at

	https://github.com/OpenIndiana/oi-userland 

    This gate contains build recipies, patches, IPS manifests, etc. necessary
    to download, prep, build, test, package and publish open source software.
    The build infrastructure is similiar to that of the SFW consolidation in
    that it makes use of herarchical Makefiles which provide dependency and
    recipe information for building the components.  In order to build the
    contents of the Userland gate, you need to clone it.  Since you are
    reading this, you probably already have.

Getting the Bits

    As mentioned, the gate is stored in a Git repository.  In order to
    build or develop in the gate, you will need to clone it.  You can do so
    with the following command
    
      $ git clone https://github.com/OpenIndiana/oi-userland.git /scratch/clone

    This will create a replica of the various pieces that are checked into the
    source code management system, but it does not retrieve the community
    source archives associated with the gate content.  To download the
    community source associated with your cloned workspace, you will need to
    execute the following:

      $ cd /scratch/clone/components
      $ gmake download

    This will use GNU make and the downloading tool in the gate to walk through
    all of the component directories downloading and validating the community
    source archives from the gate machine or their canonical source repository.

    There are two variation to this that you may find interesting.  First, you
    can cause gmake(1) to perform it's work in parallel by adding '-j (jobs)'
    to the command line.  Second, if you are only interested in working on a
    particular component, you can change directories to that component's
    directory and use 'gmake download' from that to only get it's source
    archive.

Building the Bits.

    You can build individual components or the contents of the entire gate.

  Component build

    If you are only working on a single component, you can just build it using
    following:

      setup the workspace for building components

        $ cd (your-workspace)/components ; gmake setup

      build the individual component

        $ cd (component-dir) ; gmake publish

  Complete Top Down build  

    Complete top down builds are also possible by simply running

      $ cd (your-workspace)/components
      $ gmake publish

    The 'publish' target will build each component and publish it to the
    workspace IPS repo.
    Tools to help facilitate build zone creation will be integrated
    shortly.  If the zone you create to build your workspace in does not have
    networking enabled, you can pre-download any community source archives into
    your workspace from the global with:

      $ cd (your-workspace)/components
      $ gmake download

  You can add parallelism to your builds by adding '-j (jobs)' to your gmake
  command line arguments.

  The gate should only incrementally build what it needs to based on what has
  changed since you last built it.