tox: allow building of packages
tox: allow building of packages

Former-commit-id: f34934d129c43f5daeab86fe9add9cb721af10c8
Former-commit-id: 91e98b7b193a5f2cc3f862305fa501909715fbca [formerly e56e928186bf958e0f9e29bb2a6e0a6069a88a21] [formerly 784e352d499b2e78baf02a036a91bb3eb992f5ad [formerly 50616a4f9d45583cac3203f2707b4cf2fb6aa151]]
Former-commit-id: 492e42c7bc0b6bd2e2e7e902261e2961bf8bb053 [formerly 2a2d0af6c0826a1ed18f5fae7154bd3e695a165c]
Former-commit-id: ae5627748178ff12bc60a61efcb828cd8042cceb
PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild