spack spec generated does not included needed g++ compiler dependency

Follow the spack install commands on a brand-new fresh Ubuntu 22.04 system and the spack install fails.

==> Installing berkeley-db-18.1.40-jw4pptioy6o3tcaiz46z7ze6bv3zhfvu
==> No binary for berkeley-db-18.1.40-jw4pptioy6o3tcaiz46z7ze6bv3zhfvu found: installing from source
==> Fetching https://mirror.spack.io/_source-cache/archive/0c/0cecb2ef0c67b166de93732769abdeba0555086d51de1090df325e18ee8da9c8.tar.gz
==> Applied patch /home/noah/spack/var/spack/repos/builtin/packages/berkeley-db/drop-docs.patch
==> Applied patch /home/noah/spack/var/spack/repos/builtin/packages/berkeley-db/tls.patch
==> Ran patch() for berkeley-db
==> berkeley-db: Executing phase: 'autoreconf'
==> berkeley-db: Executing phase: 'configure'
==> Error: ProcessError: Command exited with status 1:
    '/tmp/noah/spack-stage/spack-stage-berkeley-db-18.1.40-jw4pptioy6o3tcaiz46z7ze6bv3zhfvu/spack-src/dist/configure' '--prefix=/home/noah/spack/opt/spack/linux-ubuntu22.04-icelake/gcc-12.1.0/berkeley-db-18.1.40-jw4pptioy6o3tcaiz46z7ze6bv3zhfvu' '--disable-static' '--enable-dbm' '--enable-compat185' '--with-repmgr-ssl=no' '--enable-cxx' '--enable-stl'

1 error found in build log:
     131    checking if libtool supports shared libraries... yes
     132    checking whether to build shared libraries... yes
     133    checking whether to build static libraries... no
     134    checking SOSUFFIX from libtool... .so
     135    checking MODSUFFIX from libtool... .so
     136    checking JMODSUFFIX from libtool... .so
  >> 137    checking whether the C++ compiler supports templates for STL... configure: error: no

berkeley-db was the third dependency spack attempted to build. Fifteen dependencies are then skipped because berkeley-db failed. Naive googling around suggests to me that something (probably berkeley-db) is not properly declaring a dependency on g++ so it wasn't installed.

Reproduce the Spack install on a fresh Ubuntu 22.04 system and inspect the berkeley-db build output, especially the C++ compiler template check. Review the generated spec and the berkeley-db package referenced under var/spack/repos/builtin/packages/berkeley-db; done means the required compiler dependency is represented and the install proceeds past berkeley-db.