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POHow to deploy application that depends on dynamic libraries?
 

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  1. POHow to deploy application that depends on dynamic libraries?
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    <p>I am developing an application that uses the GStreamer library. In order to ease deployment I would like to collect all the GStreamer libraries in a local bundle. For this I wrote a little script that does the following:</p> <ul> <li>recursively traverse dependencies (using <code>otool -L</code>)</li> <li>copy all dependencies to a local directory</li> <li>make all the dependency paths relative to @executable_path (using <code>install_name_tool</code>)</li> </ul> <p>(If you're interested you can have a look at the <a href="http://code.google.com/p/stacked-crooked/source/browse/trunk/Utilities/localize_dependencies.rb" rel="noreferrer">Ruby script</a>.)</p> <p>However, I'm now seeing runtime errors on the <code>gst_init</code> call:</p> <pre><code>(process:22843): GLib-GObject-CRITICAL **: gtype.c:2458: initialization assertion failed, use g_type_init() prior to this function (process:22843): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed </code></pre> <p>These errors only occur if I use the localized libraries.</p> <p><br> Are there certain 'common pitfalls' when it comes to using install_name_tool? Does anyone have an idea what I could be doing wrong? If you need to know certain details then feel free to ask. </p> <p><b>Update</b><br> I changed a few things:</p> <ul> <li>For the dependent libraries I now only change the dylib paths and not the id (only use <code>install_name_tool -change</code> and not <code>install_name_tool -id</code>).</li> <li>For the main library I set the id value relative to the executable path (<code>@executable_name/components/Video.dylib</code>).</li> </ul> <p>These two changes make it work. However it is not yet clear to me why it works. I have some trouble understanding the meaning of the "id" property. It seems to be identifier in the form of a pathname. Why did changing it for the dependent libraries cause runtime errors? I'll try to find answers to those questions with some further experimentation...</p>
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    1. USStackedCrooked
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      1. POHow to deploy application that depends on dynamic libraries?
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      1. VTUpMod
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    1. COCould it be that you influence the load order for the respective dependencies by accident?
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      1. POHow to deploy application that depends on dynamic libraries?
      1. USGeorg Fritzsche
    2. CO@gf: I don't think so, but I'll keep it in mind. I've made some progress, check the edit if you're interested.
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      1. POHow to deploy application that depends on dynamic libraries?
      1. USStackedCrooked
    3. COAren't you building an .app bundle?
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      1. USWarren P
 

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