[Omake] SVN Commit: OMake Build System [0.9.8.x] (Rev. 10254)

[Aleksey Nogin]

Optimized the create_node_or_phony - instead of maintaining a set of phony
nodes (which meant that we had to try interning every time before we could
test for membership), maintain a phony set in terms of an elt_node set.

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Changes:
    +5 -5	omake-branches/0.9.8.x/src/env/omake_env.ml
    +13 -21	omake-branches/0.9.8.x/src/ir/omake_node.ml
    +6 -8	omake-branches/0.9.8.x/src/ir/omake_node.mli
    +5 -0	omake-branches/0.9.8.x/src/ir/omake_node_sig.ml
 
A hyperlinked version of this commit is available at
http://svn.metaprl.org/commitlogs/omake/2007-03.html#07/03/20.15:12:18