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From: Deepak Kannan on 3 Aug 2010 03:43
hi,

I have installed a gem with a native dependency.
eg. have installed the yajl library from: http://github.com/lloyd/yajl
and then have installed yajl-ruby gem:
http://github.com/brianmario/yajl-ruby

If i upgrade the native package, then do i have to reinstall the gem?
Also even before doing that, can i find the gems that depend on the
package. This is because i may not know the gems offhand that depend on
the native package.

cheers,
deepak
--
Posted via http://www.ruby-forum.com/.

From: deepak on 11 Aug 2010 01:28
Any help?
Can i check the reverse dependency of a native code ie. all the gems
that depend on the native lib (maybe a c library)

regards,
deepak

On Aug 3, 12:43 pm, Deepak Kannan <kannan.dee...(a)gmail.com> wrote:
> hi,
>
> I have installed a gem with a native dependency.
> eg. have installed the yajl library from:http://github.com/lloyd/yajl
> and then have installed yajl-ruby gem:http://github.com/brianmario/yajl-ruby
>
> If i upgrade the native package, then do i have to reinstall the gem?
> Also even before doing that, can i find the gems that depend on the
> package. This is because i may not know the gems offhand that depend on
> the native package.
>
> cheers,
> deepak
> --
> Posted viahttp://www.ruby-forum.com/.

From: Roger Pack on 11 Aug 2010 07:38
> If i upgrade the native package, then do i have to reinstall the gem?

Does it remove the old, previous version of the package?
using ldd -l on the .so file can tell you if you removed a dependency
file.

> Also even before doing that, can i find the gems that depend on the
> package. This is because i may not know the gems offhand that depend on
> the native package.

Currently gems don't list what packages they depend on. They should
though, really.
There is also a gem "pristine" command that might help you.
-r
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