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Signed-off-by: Adam Vandenberg <flangy@gmail.com>
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brewkit.rb changes ENV destructively, so lets not do that everytime a formula
is required. Now it's possible for other tools to require a formula
description without worrying about side-effects.
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No offense but the use of --with-framework-name option is totally wrong in the
Formula.
As noted in the Mac build [notes][1] --with-framework-name is *not* to pass
the SDK path, but to rename it (e.g. "AwesomePython.framework" instead of just
"Python.framework"). To build it as a Mac OS X framework you need to use the
--enable-framework flag instead.
The same with the other option -- to build Python universally. The flag
--enable-universalsdk is missing.
[1]: http://svn.python.org/projects/python/branches/release26-maint/Mac/README
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Signed-off-by: Max Howell <max@methylblue.com>
I made it use the MACOS_VERSION SDK
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Is it a DSL? No. But people call it that apparently.
To add a dependency:
class Doe <Formula
depends_on 'ray'
depends_on 'mee' => :optional
depends_on 'far' => :recommended
depends_on Sew.new
end
Sew would be a formula you have defined in this Formula file. This is useful,
eg. see Python's formula. Formula specified in this fashion cannot be linked
into the HOMEBREW_PREFIX, they are considered private libraries. This allows
you to create custom installations that are very specific to your formula.
More features to come, like specifying versions
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The idea here is that this readline is installed, but not symlinked in.
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Specify dependencies in your formula's deps function. You can return an Array,
String or Hash, eg:
def deps
{ :optional => 'libogg', :required => %w[flac sdl], :recommended => 'cmake' }
end
Note currently the Hash is flattened and qualifications are ignored. If you
only return an Array or String, the qualification is assumed to be :required.
Other packaging systems have problems when it comes to packages requiring a
specific version of a package, or some patches that may not work well with
other software. With Homebrew we have some options:
1. If the formula is vanilla but an older version we can cherry-pick the old
version and install it in the Cellar in parallel, but just not symlink it
into /usr/local while forcing the formula that depends on it to link to
that one and not any other versions of it.
2. If the dependency requires patches then we shouldn't install this for use
by any other tools, (I guess this needs to be decided on a per-situation
basis). It can be installed into the parent formula's prefix, and not
symlinked into /usr/local. In this case the dependency's Formula
derivation should be saved in the parent formula's file (check git or
flac for an example of this).
Both the above can be done currently with hacks, so I'll flesh out a proper
way sometime this week.
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Speeds up Python formula plenty in clean phase
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No longer strips the main Python executable, as that was breaking the ability
of dlopen() and thus import .so based modules.
This change depends on changes to keg & formula that allow files to not be
cleaned.
Also, replaced a duplicate libpython2.6.a with a link (saves 6MB.)
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