Huub writes: 

> 
>> 
>> Well, nothing is branded "guaranteed to work" :) 
>> 
>> I recommend you take a look at pkgmanager 
>> (http://pkgsrc.se/wip/pkgmanager), which is in the wip category 
>> (http://pkgsrc-wip.sourceforge.net/).
>> It's a much smoother way of updating packages than "make update". 
>> 
> 
> Ok, after reading, a touch and adding some packages to the want list, I 
> started "pkgmanager sync". This resulted in this message: 
> 
> make: don't know how to make print-summary-data. Stop
> [pkgmanager] An unexpected error occurred. This may be due to a bug in 
> pkgmanager, or a system configuration issue. If you suspect a bug, or 
> require help, please contact the author. Details about the error follows: 
> Condition of type SUMMARY-PARSE-ERROR: Could not find index entry for 
> package graphics/libpixman, NIL (cause: NIL) 
> 
> Any idea? 
> 

The package graphics/libpixman does not exist in my pkgsrc collection. 
According to http://netbsd.org/Changes/pkg-changes.html it was removed aug. 
10th.
You need to figure out what has this dependency and unwant it, or maybe it's 
enough for you to update the pkgsrc files.