configure: store $target and $host in the build configuration (fix-pt2). (Patch by Adrien Nader!)
Fixing builds continued.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13866 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Revert "build: make building ocamldoc, ocamlbuild and ocamldebug optional."

This patch fixes build failure.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13867 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02