don't build pirc in the default target, it breaks c++ builds
don't build pirc in the default target, it breaks c++ builds

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@43216 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot