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Date: Sat, 7 Mar 2026 10:17:54 +0000
From: Simon McVittie &lt;smcv@debian.org&gt;
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
Subject: gtk4: FTBFS on loong64: insufficient versioned B-D on
 libgstreamer-plugins-bad1.0-dev
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Source: gtk4
Version: 4.21.6+ds-1
Severity: important
Tags: ftbfs upstream
X-Debbugs-Cc: debian-loongarch@lists.debian.org
User: debian-loongarch@lists.debian.org
Usertags: loong64

https://buildd.debian.org/status/fetch.php?pkg=gtk4&amp;arch=loong64&amp;ver=4.21.6%2Bds-1&amp;stamp=1772753301&amp;raw=0
&gt;../../../gtk/media/gtkgstmediafile.c: In function ‘gtk_gst_media_file_update_loop’:
&gt;../../../gtk/media/gtkgstmediafile.c:154:3: error: implicit declaration of function ‘gst_play_config_set_loop’ [-Wimplicit-function-declaration]

This function was added in GStreamer 1.28, so gtk4 should have a 
versioned Build-Depends on that release. Ideally its upstream 
meson.build should check for the required version, too.

We're seeing this on loong64 and only loong64 (among release-candidate 
architectures, at least) because the new GStreamer already built 
successfully on other architectures, but failed on loong64 due to test 
failures.

Reporting this as non-RC because I'm not sure what loong64's 
release-architecture status is at the moment.

    smcv
]