[Slackbuilds-users] Puzzling error building qt5-webkit

[Tim Dickson]

On 26/04/2020 09:08, Dave Woodfall wrote:
> On 2020-04-25 17:36,
> Slackbuilds Users <slackbuilds-users at slackbuilds.org> put forth the proposition:
>> i spotted an optional dep of qt5-webkit which is dwz
>> this appears to de-duplicate debug symbols etc in elf files. however, as we
>> tend to remove all
>> extra debug stuff with strip, It doesn't appear to change the package size
>> much.
>> is anyone interested in a dwz as a package?. I did create one to see if it
>> made much difference
>> to the qt5-webkit package, and though the size was within 9bytes!, it did
>> appear to create the package
>> a bit quicker, so may be worth using.
>> comments?
>> regards, Tim
> According to the man page[1], it isn't for qt5-webkit, but for any
> ELF binary.
>
> [1] https://www.mankier.com/1/dwz
>
that's right. I haven't seen what else may have code to use it if it is 
there (I'm not sure how to do that anyway without downloading all the 
sbo package sources and greping for it in makefiles). I submitted the 
dwz package yesterday. Generally because the practice is often to strip 
the  binaries, we wouldn't see much benefit, unless there are lots of 
intermediate stages which are sped up with smaller ELF binaries during 
the build process.
I only spotted the existence of dwz  when going through the (qt5-webkit) 
build log, I saw the mention of it, and checked it out, and saw it is 
available for lots of other distros, so why not for slackware? if it 
improves executable size or build speeds I'm in favour, but I don't know 
what else uses it. it appears to be used by debian, ubuntu, redhat, 
fedora etc. so the odds are we may see it appearing more  in some 
packages. I'm not sure which category it should go in, development or 
system, but it can be moved if I picked the wrong one.
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