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On Tue, 22 May 2012 23:16:00 -0400 |
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Michael Orlitzky <michael@××××××××.com> wrote: |
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> On 05/22/2012 09:10 PM, Chris Stankevitz wrote: |
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> > |
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> > How was I supposed to learn the "proper" way of dealing with this |
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> > RUBY-related system change? |
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That change was committed two-and-a-half years ago in the eclass: |
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http://archives.gentoo.org/gentoo-dev/msg_2305dbeaaf5b02cb74a84c9b06333708.xml |
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and the Gentoo Ruby project has a section on it |
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http://www.gentoo.org/proj/en/prog_lang/ruby/index.xml |
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Actually I learnt the RUBY_TARGETS from flameeyes's blog two years ago |
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http://blog.flameeyes.eu/2010/02/ruby-ng-package-in-a-bottle-or-learn-how-to-write-a-new-ruby-ebuild |
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> The way I learned was by watching the emerge output: |
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> |
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> $ emerge -pv dev-ruby/rails |
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> |
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> These are the packages that would be merged, in order: |
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> |
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> Calculating dependencies... done! |
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> [ebuild N ] app-admin/eselect-rails-0.16 2 kB |
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> [ebuild N ] dev-ruby/tmail-1.2.7.1-r2 USE="-debug -doc -test" |
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> RUBY_TARGETS="ruby18 -jruby -ree18" 436 kB |
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> |
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> and wondering, "RUBY_TARGETS, what the hell is that?" |
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> |
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> I'm sure there's a proper way, but that's the way I've discovered all |
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> of the USE_EXPAND variables. LINGUAS was the first, then I noticed |
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> ALSA_CARDS, APACHE2_MODULES, XFCE_PLUGINS... |
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> |
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> The default list can be found in, |
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> |
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> /usr/portage/profiles/base/make.defaults |
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I suggest keeping an eye on ${PORTDIR}/profiles/desc directory too. |
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This is where every one of the USE_EXPAND variables is explained in |
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details. |
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Kerwin. |
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