Re: [Libreoffice] bug in vcl make files?

2011. 09. 01. 21:26 keltezéssel, Stephan Bergmann írta:
> On Sep 1, 2011, at 3:47 PM, Matúš Kukan wrote:
> > On 1 September 2011 15:14, Jenei Gábor<jengab@elte.hu>  wrote:
> > > Hi all,
> > >
> > > As I tried to compile vcl module with raised dbglevel I found out the
> > > following error at linking:
> > >
> > >
> > > /home/LOff/libo/workdir/unxlngi6.pro/CxxObject/vcl/unx/headless/svpgdi.o: In
> > > function `dbgOut(boost::shared_ptr<basebmp::BitmapDevice>  const&)':
> > > svpgdi.cxx:(.text._Z6dbgOutRKN5boost10shared_ptrIN7basebmp12BitmapDeviceEEE[dbgOut(boost::shared_ptr<basebmp::BitmapDevice>
> > > const&)]+0x13a): undefined reference to
> > > `basebmp::debugDump(boost::shared_ptr<basebmp::BitmapDevice>  const&,
> > > std::basic_ostream<char, std::char_traits<char>  >&)'
> > > collect2: ld returned 1 exit status
> > > make: ***
> > > [/home/LOff/libo/workdir/unxlngi6.pro/LinkTarget/Library/libvclplug_svplo.so]
> > > Error 1
> > >
> > > As I saw in cpp code this should be ok, so probably basebmp debug.cxx is not
> > > marked for linking in the project. Could someone look at this issue who
> > > knows make files?
> > That's not about makefiles. debugDump() is not marked for exporting,
> > you can do this in cxx file with SAL_DLLPUBLIC_EXPORT
> > or in hxx files. But in hxx you need to use library specific macro defined as in
> > http://opengrok.libreoffice.org/xref/core/basebmp/inc/basebmp/bitmapdevice.hxx#42
> > It's more complicated because of error in windows compilers, I think.
> >
> > I have pushed this one. (
> > http://cgit.freedesktop.org/libreoffice/core/commit/?id=e21822008dff0c618e8947d7343bc70d51d47ec3
> > )
> You cannot do it that way -- it will not work on Windows.  
> See<http://wiki.services.openoffice.org/wiki/Symbol_Visibility>  for details (in short, you need 
> the BASEBMP_DLLPUBLIC/BASEBMP_DLLIMPLEMENTATION stuff in the header file if you want to be able to link 
> against the function on Windows).
>
> Will try to remember to prepare a proper patch tomorrow, unless someone beats me to it…
>
> -Stephan
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  Well, it's a unix like system specific source, so I guess there is no 
need to use it in Windows, but thanks for your warn though.