homebrew-core/Formula/vorbis-tools.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 VorbisTools <Formula
@url='http://downloads.xiph.org/releases/vorbis/vorbis-tools-1.2.0.tar.gz'
@md5='df976d24e51ef3d87cd462edf747bf9a'
@homepage='http://vorbis.com'
depends_on 'ogg'
depends_on 'vorbis'
depends_on 'ao' => :optional
depends_on 'ogg123' => :optional
def install
system "./configure --disable-debug --disable-nls --disable-dependency-tracking --prefix='#{prefix}'"
# wtf?!
inreplace 'ogg123/Makefile', '-arch ppc ppc64 i386 x86_64', '-arch i386'
system "make install"
end
end