Performance samples for LibreOffice ...

[Jan Hubicka]

> On 09/11/2014 07:05 AM, Jan Hubicka wrote:
> >Anyway those are warning I currently get with ODR type merging.  The first three are
> >quite puzzling - the type layout differs, but by abstract field so I am unable to print
> >out any resonable message. This may suggest difference in virtual inheritance or someting like
> >that (or just plain bug in my code comparing types).  I will dig deeper into it tomorrow.
> [...]
> >/aux/hubicka/libreoffice/i18npool/inc/nativenumbersupplier.hxx:33:0: warning: type ‘struct NativeNumberSupplier’ violates one definition rule [-Wodr]
> >  class NativeNumberSupplier : public cppu::WeakImplHelper2
> >  ^
> >/aux/hubicka/libreoffice/50-lto/workdir/UnoApiHeadersTarget/offapi/normal/com/sun/star/i18n/NativeNumberSupplier.hpp:29:0: note: a type with different memory representation is defined in another translation unit
> >  class NativeNumberSupplier {
> >  ^
> >/aux/hubicka/libreoffice/50-lto/workdir/UnoApiHeadersTarget/offapi/normal/com/sun/star/i18n/OrdinalSuffix.hpp:29:0: warning: type ‘struct OrdinalSuffix’ violates one definition rule [-Wodr]
> >  class OrdinalSuffix {
> >  ^
> >/aux/hubicka/libreoffice/i18npool/inc/ordinalsuffix.hxx:28:0: note: a type with different memory representation is defined in another translation unit
> >  class OrdinalSuffix : public cppu::WeakImplHelper2
> >  ^
> >/aux/hubicka/libreoffice/50-lto/workdir/UnoApiHeadersTarget/offapi/normal/com/sun/star/i18n/TextConversion.hpp:29:0: warning: type ‘struct TextConversion’ violates one definition rule [-Wodr]
> >  class TextConversion {
> >  ^
> >/aux/hubicka/libreoffice/i18npool/inc/textconversion.hxx:36:0: note: a type with different memory representation is defined in another translation unit
> >  class TextConversion: public cppu::WeakImplHelper2
> >  ^
> 
> Those three are indeed clashes with cppumaker-generated C++ classes
> corresponding to UNOIDL (new-style) services.  The clashes have been
> fixed now as <cgit.freedesktop.org/libreoffice/core/commit/?id=91ba527a63f77658ee147515f1699792059aa2e5>, <http://cgit.freedesktop.org/libreoffice/core/commit/?id=a6104092925a6fe9f96ca239c0292bd1539d5746>, <http://cgit.freedesktop.org/libreoffice/core/commit/?id=63bc11b81f8af188564a385c1e501fd7334c343d>
> "Avoid name clash with generated C++ class corresponding to UNOIDL
> service."

Cool, would you mind showing me how they are different?  I could try to improve the error message to be bit more informative then.

Honza
> 
> Stephan