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Re: py-qt6 problem: symbol not found
On Thu, Apr 04, 2024 at 07:09:58PM +0200, Joerg Sonnenberger wrote:
> On Thursday, April 4, 2024 2:17:12 PM CEST Thomas Klausner wrote:
> > On Thu, Apr 04, 2024 at 02:09:36PM +0200, Joerg Sonnenberger wrote:
> > > On Thursday, April 4, 2024 11:52:06 AM CEST Thomas Klausner wrote:
> > > > On Thu, Apr 04, 2024 at 11:41:17AM +0200, Joerg Sonnenberger wrote:
> > > > > On Thursday, April 4, 2024 8:47:19 AM CEST Thomas Klausner wrote:
> > > > > > The symbol is in /usr/pkg/qt6/lib/libQt6Network.so.6:
> > > > > >
> > > > > > # nm /usr/pkg/qt6/lib/libQt6Network.so.6 | grep _ZN16QNetworkDatagram7destroyEP23QNetworkDatagramPrivate
> > > > > > 0000000000086790 T _ZN16QNetworkDatagram7destroyEP23QNetworkDatagramPrivate
> > > > >
> > > > > Check the visibility with readelf/objdump as well, please.
> > > >
> > > > I hope this is what you wanted:
> > >
> > > Yes.
> > >
> > > > # readelf -Ws /usr/pkg/qt6/lib/libQt6Network.so.6 | grep 86790
> > > > 2129: 0000000000086790 116 FUNC GLOBAL DEFAULT 12 _ZN16QNetworkDatagram7destroyEP23QNetworkDatagramPrivate@@Qt_6
> > >
> > > So this is a versioned global export. What confuses me is why the dependency
> > > doesn't pick up the symbol version. Can you check QtNetwork.abi3.so as well please?
> >
> > The corresponding readelf -Ws line from QtNetwork.abi3.so is:
> >
> > 1588: 0000000000000000 0 FUNC GLOBAL DEFAULT UND _ZN16QNetworkDatagram7destroyEP23QNetworkDatagramPrivate@Qt_6_PRIVATE_API (6)
>
> ...and that's why it isn't found. They explicitly force the use of a non-existing symbol version.
Ok, thanks.
How are these symbol versions set, i.e. what do I look for in the
build system to find the location where this happens?
Thomas
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