Cerbero build fail on Ubuntu system

Hi,

I use cerbero on Ubuntu system to build GStreamer.
When I executed " ./cerbero-uninstalled bootstrap " ,I got error as following:
Do you know why ?

Traceback (most recent call last):
File “/home/qisda/nancy/workspace/cerbero/cerbero/utils/shell.py”, line 214, in new_call
subprocess.check_call(
File “/usr/lib/python3.8/subprocess.py”, line 364, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command ‘[‘apt-get’, ‘install’, ‘autotools-dev’, ‘automake’, ‘autoconf’, ‘libtool’, ‘g++’, ‘autopoint’, ‘make’, ‘cmake’, ‘ninja-build’, ‘bison’, ‘flex’, ‘nasm’, ‘pkg-config’, ‘libxv-dev’, ‘libx11-dev’, ‘libx11-xcb-dev’, ‘libpulse-dev’, ‘python3-dev’, ‘gettext’, ‘build-essential’, ‘pkg-config’, ‘libxext-dev’, ‘libxi-dev’, ‘x11proto-record-dev’, ‘libxrender-dev’, ‘libgl1-mesa-dev’, ‘libxfixes-dev’, ‘libxdamage-dev’, ‘libxcomposite-dev’, ‘libasound2-dev’, ‘build-essential’, ‘gperf’, ‘wget’, ‘libxtst-dev’, ‘libxrandr-dev’, ‘libglu1-mesa-dev’, ‘libegl1-mesa-dev’, ‘git’, ‘xutils-dev’, ‘intltool’, ‘ccache’, ‘python3-setuptools’, ‘libssl-dev’]’ returned non-zero exit status 100.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “/home/qisda/nancy/workspace/cerbero/cerbero/main.py”, line 184, in run_command
res = commands.run(command, self.config, self.args)
File “/home/qisda/nancy/workspace/cerbero/cerbero/commands/init.py”, line 79, in run
return _commands[command].run(config, args)
File “/home/qisda/nancy/workspace/cerbero/cerbero/commands/bootstrap.py”, line 113, in run
run_until_complete(bootstrapper.start(jobs=args.jobs))
File “/home/qisda/nancy/workspace/cerbero/cerbero/utils/init.py”, line 745, in run_until_complete
result = loop.run_until_complete(tasks)
File “/usr/lib/python3.8/asyncio/base_events.py”, line 616, in run_until_complete
return future.result()
File “/home/qisda/nancy/workspace/cerbero/cerbero/bootstrap/linux.py”, line 55, in start
shell.new_call(cmd, interactive=True)
File “/home/qisda/nancy/workspace/cerbero/cerbero/utils/shell.py”, line 229, in new_call
raise CommandError(msg, cmd, returncode)
cerbero.errors.CommandError: Command Error: Running [‘apt-get’, ‘install’, ‘autotools-dev’, ‘automake’, ‘autoconf’, ‘libtool’, ‘g++’, ‘autopoint’, ‘make’, ‘cmake’, ‘ninja-build’, ‘bison’, ‘flex’, ‘nasm’, ‘pkg-config’, ‘libxv-dev’, ‘libx11-dev’, ‘libx11-xcb-dev’, ‘libpulse-dev’, ‘python3-dev’, ‘gettext’, ‘build-essential’, ‘pkg-config’, ‘libxext-dev’, ‘libxi-dev’, ‘x11proto-record-dev’, ‘libxrender-dev’, ‘libgl1-mesa-dev’, ‘libxfixes-dev’, ‘libxdamage-dev’, ‘libxcomposite-dev’, ‘libasound2-dev’, ‘build-essential’, ‘gperf’, ‘wget’, ‘libxtst-dev’, ‘libxrandr-dev’, ‘libglu1-mesa-dev’, ‘libegl1-mesa-dev’, ‘git’, ‘xutils-dev’, ‘intltool’, ‘ccache’, ‘python3-setuptools’, ‘libssl-dev’] returned 100

***** Error running ‘bootstrap’ command:
Command Error: Running [‘apt-get’, ‘install’, ‘autotools-dev’, ‘automake’, ‘autoconf’, ‘libtool’, ‘g++’, ‘autopoint’, ‘make’, ‘cmake’, ‘ninja-build’, ‘bison’, ‘flex’, ‘nasm’, ‘pkg-config’, ‘libxv-dev’, ‘libx11-dev’, ‘libx11-xcb-dev’, ‘libpulse-dev’, ‘python3-dev’, ‘gettext’, ‘build-essential’, ‘pkg-config’, ‘libxext-dev’, ‘libxi-dev’, ‘x11proto-record-dev’, ‘libxrender-dev’, ‘libgl1-mesa-dev’, ‘libxfixes-dev’, ‘libxdamage-dev’, ‘libxcomposite-dev’, ‘libasound2-dev’, ‘build-essential’, ‘gperf’, ‘wget’, ‘libxtst-dev’, ‘libxrandr-dev’, ‘libglu1-mesa-dev’, ‘libegl1-mesa-dev’, ‘git’, ‘xutils-dev’, ‘intltool’, ‘ccache’, ‘python3-setuptools’, ‘libssl-dev’] returned 100

usage: cerbero-uninstalled [-h] [-t] [–list-variants] [-v VARIANTS] [-c CONFIG] [-m MANIFEST] [–self-update SELF_UPDATE]
{fetch-cache,gen-cache,upload-cache,wipe,genxcconfig,genlibfiles,rdeps,add-recipe,debug-packages,fetch,fetch-package,edit-cache,run,check,checkpackage,gensdkshell,genvsprops,buildone,build-deps,build,package,bootstrap,fetch-bootstrap,graph,packageinfo,deps,list,list-packages,show-config,tag,shell,add-package}

Best Regards,
Nancy