Current HEAD is broken

[Hal Murray]

gem at rellim.com said:
> I thinking -Wsign-comparison would be good with 'waf --enable-debug, but
> not for normal builds. 

--enable-debug is the default.  I think that makes it normal.

I think another option to turn on -Wsign-comparison would be handy.  If 
nothing else, how about --enable-sign-comparison?


gem at rellim.com said:
> Define clean?  If something does not build, then buildbot fails.
> otherwise it passes.  There is the known bug that test failures do not fail
> cause buildbot fail.  I think someone already filed an issue on it. 

I'd be happy to have warnings included in "fail".  The idea is to reduce 
clutter.


-- 
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