[Fedora-packaging] New packaging guidelines for Ruby

[Vít Ondruch]

Dne 1.3.2012 17:34, Toshio Kuratomi napsal(a):
> On Wed, Feb 29, 2012 at 04:06:20PM +0100, Vít Ondruch wrote:
>> Dne 29.2.2012 15:23, Stanislav Ochotnicky napsal(a):
>>> Quoting Emanuel Rietveld (2012-02-29 12:18:57)
>>>> On 02/29/2012 11:50 AM, Nicolas Mailhot wrote:
>>>>> Le Mar 28 février 2012 16:29, Vít Ondruch a écrit :
>>>>>
>>>>>> Pleas do not be mistaken. We are not speaking about building gems from
>>>>>> sources. We are speaking about building from package manager output,
>>>>>> i.e. build gem from gem.
>>>>> So we are shipping stuff, which is not build from other stuff we ship, but
>>>> >from magic upstream binaries? Not nice at all.
>>>> It is worth noting that .java files compiled into .class files or .jar
>>>> files is not the same thing as .rb files. .rb files are not compiled*
>>> However I have seen gem files containing bundled jar files. Not sure if
>>> gem unpacking actually helps things, but it might make it more easy to
>>> spot perhaps. There as easy ways to detect such bundling though, so not
>>> a problem. Just though I'd mention this use case
>>>
>> Yes, there are gems with bundled jar files. There are also gems which
>> might carry other binaries. For this case, there apply general
>> Fedora's "No inclusion of pre-built binaries or libraries" and
>> "Duplication of system libraries" policies, nothing specific is
>> needed for Ruby.
>>
>> Please note that we proposed to do "gem install" in %prep section
>> which "unpacks" the gem content among other things, so you can spot
>> such files easily.
>>
> Actually, Stanislav has a good point.  gem install unpacks, builds,
> and installs a gem.  So when I do a gem install and then do a find . -name
> '*.so' or find . -name '*.jar' I don't know right off the bat whether the
> files listed were bundled or produced by "gem install".  I don't know
> whether all of the *.so's were built from source or if there was
> a precompiled object file in the gem that was included.  So how do you
> inspect the results of gem install to determine that there is nothing
> bundled?

You can compare results of "gem unpack" and "gem install" for example. 
But there is definitely more ways.

Vit

>
> -Toshio
>
>
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