building with -mms-bitfields

[Till Adam]

On Friday 22 May 2009 16:15:45 Christian Ehrlicher wrote:
> Till Adam schrieb:
> > Folks,
> >
> > while debugging a nasty struct packing problem with gpgme, on Windows, we
> > found out that it is normally built with -mms-bitfields, which forces
> > packed structs, among other things. This is the setting used by msvc, and
> > mingw has an option for it. The reason for gpgme to use it is that gtk
> > uses it as does glib, which is one of the event loop options for gpgme.
> > Since binaries built with -mms-bitfields are incompatible with those who
> > have not (yes, also for plain C libraries, not just c++), there are two
> > options. Either we provide a custom built gpgme, as part of KDE/Kontact
> > on Windows and continue to build our binaries without that flag, or we do
> > what the majority of other mingw based projects seem to be doing, add the
> > flag to all builds. I'd suggest the later. Opinions?
>
> Does this mean that we need to compile all dependencies with this flag?
> This isn't really possible...

Yes, I believe so. My guess would be that many external depdencies already do 
this, as gtk requires it, on Windows, among many other packages (according to 
google). Stuff like libjpeg should thus definitely already have it.

Till

-- 
Till Adam <adam at kde.org>