unit test LayerTabBar, now linker problem

Michael Stahl mst at libreoffice.org
Sun Oct 14 11:49:12 UTC 2018

On 13/10/2018 21:04, Regina Henschel wrote:
> Hi all,
> the patch in https://gerrit.libreoffice.org/61545 works fine on my PC, 
> but I get an error message from Jenkins
> Build Failed
> https://ci.libreoffice.org/job/gerrit_master/16732/ : FAILURE
> linker cannot find typeinfo for sd::GraphicViewShell ( 
> https://ci.libreoffice.org/job/gerrit_linux_gcc_release/17086/ )
> What is wrong there?

apparently GCC can't find the type information for GraphicViewShell 
because it isn't exported from the shared library "sd".

it is needed because of dynamic_cast<sd::GraphicViewShell*> in the test.

you could use SAL_DLLPUBLIC_RTTI on GraphicViewShell, which will export 
just enough so that dynamic_cast and type_info works, or use 
SD_DLLPUBLIC on it, which will make all its member functions available 
as well.

> What do I need to do on my PC (Windows 10, 64bit) to catch it?

probably the issue doesn't happen with MSVC because it implements 
dynamic_cast differently, so unless you want to set up a Linux VM, 
you'll have to rely on Jenkins...

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