Hi. I received the following from Doug Baskins, author of Judy library:

    Sorry about that.  I think libJudy.a is fine.  The
    "Judy1LHCheck.c" program has a bug.

So, libjudy is fine. And I hope some day they will close appropriate
sf.net bug #1523716

 >>> Description:
 >> 	Please, import wip/libjudy to pkgsrc
>  
>  On NetBSD-3.1/i386, "make test" can't pass:
>  
>  ===  Pass: Compile of tests
>        Validate Judy1/JudyL/JudyHS functions (except Judy*ByCount)
>  Error: Judy1PrevEmpty Rcode != 1 = 0, file='Judy1LHCheck.c',  
>  'function='TestJudyPrevEmpty', line 863
>  ===  0 Failed: Judy1/JudyL/JudyHS validate program

-- 
Best regards, Aleksey Cheusov.