discourse/chef/cookbooks/build-essential/README.md
Elliot Murphy f3bcbd8bc3 Use chef-solo to install phantomjs into Vagrant VM.
This introduces two configuration management runs into the
Vagrant provisioning phase. The first chef-solo run ensures that
a current version of chef is installed using the omnibus updater.
The second chef-solo run installs vim and phantomjs.

Much more is possible, this is a proof of concept.
Cookbooks are stored in the chef directory, and managed by
librarian-chef, which is like a bundler for cookbooks.

Chef is run when VM is first downloaded and booted, but not on
subsequent halt/up cycles. To force chef to run again, use
`vagrant provision`.
2013-02-07 14:09:57 -05:00

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Description
===========
Installs packages required for compiling C software from source. Use
this cookbook if you wish to compile C programs, or install RubyGems
with native extensions.
Requirements
============
Chef version 0.10.10+ and Ohai 0.6.12+ are required.
## Platform
Supported platforms by platform family:
* Linux (fedora redhat centos ubuntu debian amazon scientific)
* Darwin (`mac_os_x` 10.6+)
* SmartOs
## Cookbooks
Requires `pkgin` cookbook on SmartOS
Attributes
==========
* `node['build_essential']['compiletime']` - Whether the resources in
the default recipe should be configured at the "Compile" phase of the
Chef run. Defaults to false, see __Usage__ for more information.
* `node['build_essential']['osx']['gcc_installer_url']` - The URL of
the OS X GCC package installer (.pkg).
* `node['build_essential']['osx']['gcc_installer_checksum']` - The
SHA256 checksum of the OS X GCC installer.
Recipes
=======
This cookbook has one recipe, default.
On Linux platforms (see __Platform__ above for a supported list of
families), packages required to build C source projects are installed.
This includes GCC, make, autconf and others. On Debian-family
distributions, the apt-cache may need to be updated, especially during
compile time installation. See __Usage__ for further information.
On Mac OS X, the GCC standalone installer by Kenneth Reitz is
installed. Note that this is *not* the Xcode CLI package, as that does
not include all programs and headers required to build some common
GNU-style C projects, such as those that are available from projects
such as MacPorts or Homebrew. Changing the attributes for the GCC
installer URL and checksum to the Xcode values may work, but this is
untested.
Usage
=====
Simply include the `build-essential` and the required tools will be
installed to the system, and later recipes will be able to compile
software from C source code.
For RubyGems that include native C extensions you wish to use with
Chef, you should do two things.
0. Ensure that the C libraries, include files and other assorted "dev"
type packages are installed. You should do this in the compile phase
after the build-essential recipe.
1. Use the `chef_gem` resource in your recipes. This requires Chef version 0.10.10+.
2. Set the `compiletime` attribute in roles where such recipes are
required. This will ensure that the build tools are available to
compile the RubyGems' extensions, as `chef_gem` happens during the
compile phase, too.
Example installation of a devel package at compile-time in a recipe:
package "mypackage-dev" do
action :nothing
end.run_action(:install)
Example use of `chef_gem`:
chef_gem "mygem"
Example role:
name "myapp"
run_list(
"recipe[build-essential]",
"recipe[myapp]"
)
default_attributes(
"build_essential" => {
"compiletime" => true
}
)
The compile time option (via the attribute) is to ensure that the
proper packages are available at the right time in the Chef run. It is
recommended that the build-essential recipe appear early in the run
list.
The Chef wiki has documentation on
[the anatomy of a chef run](http://wiki.opscode.com/display/chef/Anatomy+of+a+Chef+Run).
Limitations
===========
It is not in the scope of this cookbook to handle installing the
required headers for individual software projects in order to compile
them, or to compile RubyGems with native C extensions. You should
create a cookbook for handling that.
License and Author
==================
Author:: Joshua Timberman (<joshua@opscode.com>)
Author:: Seth Chisamore (<schisamo@opscode.com>)
Copyright 2009-2011, Opscode, Inc. (<legal@opscode.com>)
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.