Hi,

Finally they are built successfully!

--8<---------------cut here---------------start------------->8---
/gnu/store/c0rpgb5vafqrqv30cg01iyia2rlf9zp8-openh264-2.5.0
/gnu/store/d2pn2yjribvamimngd38lzd6i053h5a4-ungoogled-chromium-112.0.5615.165-1
/gnu/store/sx0qlmsd3qxdw90b9w2nms87aaibjdyy-gst-plugins-bad-1.22.3
/gnu/store/n9qaaxzprx97gphn6l6j9gkp6b4h8qbm-gst-plugins-bad-minimal-1.22.3
/gnu/store/fyhh43795nlkbgxq9sz5h3zbjh6fmjk6-msopenh264-1.2.1-0.88697cc
/gnu/store/rnps2nvrbfngaapwd341vlis1q50iz80-qtwebengine-5.15.15-debug
/gnu/store/x50cgknnpyvxi38yqxib2pz3ixgx89wp-qtwebengine-5.15.15
/gnu/store/ln9hxq8w4ga5zwg16abrg67cf3gf4zkh-qtwebengine-6.7.2
/gnu/store/4aj86kl1zzxnapgbs6silk0smrhp2pdy-freerdp-2.11.7
/gnu/store/i89rldgzfihl3qh5b3vsc77s2nfc2n9f-webrtc-for-telegram-desktop-0-456.c425281
--8<---------------cut here---------------end--------------->8---

--
Oleg