Bug#962518: cegui-mk2 FTBFS on mipsel/mips64el: symbol differences

[Adrian Bunk]

On Tue, Jun 09, 2020 at 09:08:25PM +0100, Simon McVittie wrote:
> On Tue, 09 Jun 2020 at 15:21:37 -0400, Olek Wojnar wrote:
> > On Tue, Jun 9, 2020 at 6:12 AM Adrian Bunk <[1]bunk at debian.org> wrote:
> >     > I wonder if the real fix shouldn't be for cegui-mk2 to stop exporting a
> >     pile
> >     > of Boost symbols...
> > 
> > 
> > I would love that. Any advice on a reasonably easy/straightforward way of doing
> > that?
> 
> *If* your upstream is on board with this, my understanding is that
> the main way to do this is to build with -fvisibility=hidden,
> and decorate each intentionally-public class/function/thing
> with a macro that (when building with gcc or clang) expands to
> __attribute__((__visibility__("hidden"))).

"default", not "hidden"

> Some upstreams will be doing something similar already, because they are
> portable to Windows and need to decorate public symbols with
> __declspec(dllexport) on Windows.
> 
> See: https://gcc.gnu.org/wiki/Visibility

Please add something like what you wrote in this email to
  https://wiki.debian.org/UsingSymbolsFiles

>     smcv

Thanks
Adrian