[Development] LLVM and Qt

Allan Sandfeld Jensen kde at carewolf.com
Sun Jul 29 22:40:04 CEST 2018

On Sonntag, 29. Juli 2018 22:36:43 CEST Lisandro Damián Nicanor Pérez Meyer 
> Hi! As now qdoc has gained a dependency on llvm we noted that many Debian
> ports will not be able to build it anymore, as llvm has (at least for now)
> no support for them:
> <https://buildd.debian.org/status/package.php?p=llvm-toolchain-6.0&suite=sid
> >
> I would like to know if there is any other place in Qt where it might start
> requiring llvm to point porters (people behind those archs) where they will
> be seeing more issues.
> It would also be pretty nice to know if there is a policy with respect the
> llvm supported version. As they do not keep ABI compatibility distros
> normally are forced to ship from two to three versions. As I understand the
> idea in Debian testing/unstable is to have the latest two always available,
> sometimes three of them. That already created some issues for us with Qt
> Creator, as at some point it required a version which was about to be
> removed.
> Please note that I am not objecting the use of llvm in any way, although it
> would be real cool if they kept ABI... but that's not up to us to fix it I
> guess.
You only need llvm for qdoc. You can probably remove qdoc on those platforms, 
and generate the platform independent documentation packages on hosts where it 
is supported.


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