homebrew-core/Formula/libvorbis.rb
Max Howell c665eac117 Dependency resolution with fancy syntax
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
2009-09-21 18:27:48 +01:00

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Ruby

require 'brewkit'
class Libvorbis <Formula
@url='http://downloads.xiph.org/releases/vorbis/libvorbis-1.2.2rc1.tar.bz2'
@md5='6a7086ee666b8c62e122d29d107f7bec'
@homepage='http://vorbis.com'
depends_on 'libogg'
def install
system "./configure --enable-docs --disable-debug --disable-dependency-tracking --prefix='#{prefix}'"
system "make install"
end
end