<p></p>
<p>So after more investigation it turned out that the problem was something different - gtk-osx now uses <code>~/.config/jhbuild-custom</code> config file instead of the previously used <code>~/.jhbuild-custom</code> where the target architecture is stored which I didn't notice. After placing the configuration under the new path, the resulting binary works on older systems even when using the latest XCode and building under macOS 10.15.</p>
<p>I'm afraid the previous installer might not work on 10.13 and earlier so I created yet another release 1.37-3.</p>
<p>Ping <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/miccal/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/miccal">@miccal</a></p>

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