Gui-agent-linux build problems

I’m trying to build some packages for gvt-g support and it looks like tgere is some problem with dependencies availability for gui-agent-linux.
I use fedora36 app vm as my build environment, everything is pretty standard-git clone qubes builder, make get-sources, make install-deps, but after make gui-agent-linux it fails with unmet dependencies:

[user@builder qubes-builder]$ make gui-agent-linux
Currently installed dependencies:
createrepo_c-0.20.0-1.fc36.x86_64
debootstrap-1.0.126-1.nmu1.fc36.noarch
devscripts-2.22.1-1.fc36.x86_64
dpkg-dev-1.21.8-1.fc36.noarch
git-2.37.1-1.fc36.x86_64
perl-Digest-MD5-2.58-479.fc36.x86_64
perl-Digest-SHA-6.02-480.fc36.x86_64
python3-pyyaml-6.0-3.fc36.x86_64
python3-sh-1.14.2-4.fc36.noarch
rpm-build-4.17.1-2.fc36.x86_64
rpmdevtools-9.6-1.fc36.noarch
systemd-container-250.8-1.fc36.x86_64
wget-1.21.3-1.fc36.x86_64
make[1]: Entering directory '/home/user/qubes-builder'
git -C /home/user/qubes-builder/chroot-dom0-fc32/home/user/qubes-src/gui-agent-linux clean -f -d -X
/home/user/qubes-builder/scripts/create-archive /home/user/qubes-builder/chroot-dom0-fc32/home/user/qubes-src/gui-agent-linux qubes-gui-agent-4.1.26.tar.gz
~/qubes-builder/chroot-dom0-fc32/home/user/qubes-src/gui-agent-linux ~/qubes-builder
~/qubes-builder
-> Building gui-agent-linux (rpm_spec/gui-agent.spec) for fc32 dom0 (logfile: build-logs/gui-agent-linux-dom0-fc32.log)
--> build failed!
make[2]: Entering directory '/home/user/qubes-builder'
/home/user/qubes-builder/qubes-src/builder-rpm/scripts/generate-spec /home/user/qubes-builder/chroot-dom0-fc32/home/user/qubes-src/gui-agent-linux/rpm_spec/gui-agent.spec.in /home/user/qubes-builder/chroot-dom0-fc32/home/user/qubes-src/gui-agent-linux/rpm_spec/gui-agent.spec
/home/user/qubes-builder/qubes-src/builder-rpm//update-local-repo.sh fc32
sudo BACKEND_VMM=xen  dnf --installroot=/home/user/qubes-builder/chroot-dom0-fc32 --installroot=/home/user/qubes-builder/chroot-dom0-fc32 --refresh -y update
Qubes OS Builder Repository                     2.9 MB/s | 3.0 kB     00:00    
Qubes OS Builder Repository                     3.4 MB/s |  45 kB     00:00    
Fedora 32 - x86_64                              2.9 kB/s | 3.9 kB     00:01    
Fedora 32 openh264 (From Cisco) - x86_64        1.6 kB/s | 989  B     00:00    
Fedora 32 - x86_64 - Updates                    7.2 kB/s | 3.9 kB     00:00    
Dependencies resolved.
Nothing to do.
Complete!
sudo BACKEND_VMM=xen  chroot /home/user/qubes-builder/chroot-dom0-fc32 su -c 'cd "/home/user/qubes-src/gui-agent-linux" && sed "s/\([^:]\)%%\([^{]\)/\1%%%%\2/" rpm_spec/gui-agent.spec > rpm_spec/gui-agent.spec.tmp && rpmspec -P --define "_sourcedir /home/user/qubes-src/gui-agent-linux" --define "debug_package %{nil}" --define "fedora 32" --define "dist .fc32" --define "fedora 32" --define "dist .fc32" rpm_spec/gui-agent.spec.tmp > rpm_spec/gui-agent.spec.parsed' - user
sh: PA_VER_MAJOR: command not found
sh: line 0: [: -ge: unary operator expected
sudo BACKEND_VMM=xen  dnf builddep --spec --installroot=/home/user/qubes-builder/chroot-dom0-fc32 --installroot=/home/user/qubes-builder/chroot-dom0-fc32  -y /home/user/qubes-builder/chroot-dom0-fc32/home/user/qubes-src/gui-agent-linux/rpm_spec/gui-agent.spec.parsed
Qubes OS Builder Repository                     2.9 MB/s | 3.0 kB     00:00    
Package gcc-10.3.1-1.fc32.x86_64 is already installed.
Package libX11-devel-1.6.12-1.fc32.x86_64 is already installed.
No matching package to install: 'qubes-db-devel'
No matching package to install: 'qubes-gui-common-devel >= 4.1.0'
No matching package to install: 'qubes-libvchan-devel'
Package xen-devel-2001:4.14.5-6.fc32.x86_64 is already installed.
Package xorg-x11-server-devel-1.20.11-1.fc32.x86_64 is already installed.
Not all dependencies satisfied
Error: Some packages could not be found.
make[2]: *** [/home/user/qubes-builder/qubes-src/builder-rpm/Makefile-legacy.rpmbuilder:52: dist-build-dep.spec] Error 1
make[2]: Leaving directory '/home/user/qubes-builder'
make[1]: *** [Makefile.generic:197: packages] Error 1
make[1]: Leaving directory '/home/user/qubes-builder'
make: *** [Makefile:273: gui-agent-linux-dom0] Error 1

Is it some kind of build system bug? Or maybe I’m doing something wrong?