A Dissabte 02 Agost 2008, Hendrik Sattler va escriure:
> Am Samstag, 2. August 2008 01:21:01 schrieb Leopold Palomo Avellaneda:
> > A Dissabte 02 Agost 2008, Hendrik Sattler va escriure:
> > > Am Samstag, 2. August 2008 00:41:11 schrieb Leopold Palomo Avellaneda:
> > > > I understand that you have to add:
> > > >
> > > > class MYLIB_EXPORT MyClass
> > > >
> > > > for all the classes,
> > > > but also for the structs , and functions?
> > >
> > > If a class is exported, its member functions also get exported. For
> > > non-member function, this must also be added. Structs and classes are
> > > roughly the same in C++ (different initialisation) but unless they
> > > include functions (not function pointers), the do not need to be
> > > exported (you don't link to it).
> > >
> > > BTW: With gcc >= 4 on linux, you may also want to use
> > > #define MYLIB_EXPORT __attribute__((visibility("default")))
> > > and compile with -fvisibility=hidden. That allows to not export symbols
> > > for internal classes and it's faster at runtime.
> >
> > faster in terms of?
>
> Time to link the library at application start.because when the program loads, search in a list of less symbols, so it finds its faster making start is less time .... good point, thanks. Leo -- -- Linux User 152692 PGP: 0xF944807E Catalonia
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