emerge [world|system] dependency error?

I performed an emerge --clean rsnyc and right afterward tried to emerge my 
world.  I used the command "emerge --pretend --update world" (though I later 
found that I had the same problem if I do system and if I drop the 
--pretend).  The result was an error.

Specifically, the error is:

These are the packages I would merge, in order.
Calculating world dependencies |
!!!Error: couldn't find match for || in sys-apps/baselayout-1.8.2

I looked in the build file for sys-apps/baselayout-1.8.2 and saw that the 
only "||" of significance (there are a few preceding the kill command) is 
near the beginning, where it says:

RDEPEND="${DEPEND}
    || (>=sys-apps/gawk-3.1.0-r3
          (!build?>=sys-apps/gawk-3.1.0-r3)
          (!bootstrap?>=sys-apps/gawk-3.1.0-r3)
       )"

I checked in my /bin folder and found both gawk and gawk-3.1.1.  I'm not 
even sure that this check for gawk is the issue, it's just a best guess.

Has anyone a clue as to how I could proceed or where I could look to get 
resolve this?

-Tom Caudron

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