$ docker run -it -w /root ubuntu:18.04
# apt-get update -qq && apt-get install -yqq python3 libpython3-dev git gcc g++ gfortran make file curl wget bison
# git clone --depth 1 -b develop https://github.com/spack/spack.git
# export PATH="/root/spack/bin:$PATH"
# wget -qO- "https://cmake.org/files/v3.20/cmake-3.20.0-linux-x86_64.tar.gz" | tar --strip-components=1 -xz -C /usr/local
# spack external find --not-buildable cmake bison
# spack --debug --stacktrace solve zlib

lib/spack/spack/installer.py:281 ==> [2021-03-29-13:36:58.006190] No binary for clingo-bootstrap-spack-suq7ubei4oyla73cmpnsnph5akp4omif found: installing from source
lib/spack/spack/package.py:1522 ==> [2021-03-29-13:36:58.028352] Warning: Missing a source id for python@3.6
lib/spack/spack/compilers/__init__.py:741 ==> [2021-03-29-13:36:58.324252] [TOOLCHAIN] MATCH Gcc
lib/spack/spack/util/executable.py:182 ==> [2021-03-29-13:36:58.338027] '/usr/bin/python3.6' '-c' 'from distutils.sysconfig import get_config_var; print(get_config_var('"'"'prefix'"'"'))'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'distutils.sysconfig'
lib/spack/spack/util/executable.py:182 ==> [2021-03-29-13:36:58.365391] '/usr/bin/python3.6' '-c' 'from distutils.sysconfig import get_config_var; print(get_config_var('"'"'CC'"'"'))'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'distutils.sysconfig'
lib/spack/spack/stage.py:313 ==> [2021-03-29-13:36:58.400220] Creating stage lock spack-stage-clingo-bootstrap-spack-suq7ubei4oyla73cmpnsnph5akp4omif
lib/spack/spack/error.py:55 ==> [2021-03-29-13:36:58.409111] Error: ProcessError: Command exited with status 1:
    '/usr/bin/python3.6' '-c' 'from distutils.sysconfig import get_config_var; print(get_config_var('"'"'CC'"'"'))'
Traceback (most recent call last):
  File "/root/spack/lib/spack/spack/build_environment.py", line 855, in _setup_pkg_and_run
    context=context)
  File "/root/spack/lib/spack/spack/build_environment.py", line 744, in setup_package
    modifications_from_dependencies(pkg.spec, context=context)
  File "/root/spack/lib/spack/spack/build_environment.py", line 831, in modifications_from_dependencies
    getattr(dpkg, method)(env, spec)
  File "/root/spack/var/spack/repos/builtin/packages/python/package.py", line 884, in setup_dependent_build_environment
    config_link = self.get_config_var(link_var)
  File "/root/spack/var/spack/repos/builtin/packages/python/package.py", line 680, in get_config_var
  File "/root/spack/lib/spack/spack/util/executable.py", line 218, in __call__
    proc.returncode, long_msg)
spack.util.executable.ProcessError: Command exited with status 1:
    '/usr/bin/python3.6' '-c' 'from distutils.sysconfig import get_config_var; print(get_config_var('"'"'CC'"'"'))'
lib/spack/spack/installer.py:1301 ==> [2021-03-29-13:36:58.409507] Flagging clingo-bootstrap-spack-suq7ubei4oyla73cmpnsnph5akp4omif as failed: ProcessError: Command exited with status 1:
    '/usr/bin/python3.6' '-c' 'from distutils.sysconfig import get_config_var; print(get_config_var('"'"'CC'"'"'))'
lib/spack/spack/stage.py:313 ==> [2021-03-29-13:36:58.412691] Creating stage lock spack-stage-clingo-bootstrap-spack-suq7ubei4oyla73cmpnsnph5akp4omif
lib/spack/spack/main.py:771 ==> [2021-03-29-13:36:58.412935] ChildError: ProcessError: Command exited with status 1:
    '/usr/bin/python3.6' '-c' 'from distutils.sysconfig import get_config_var; print(get_config_var('"'"'CC'"'"'))'