Gilles Chanteperdrix wrote: > Philippe Gerum wrote: > > Gilles Chanteperdrix wrote: > > > Hi Jan, > > > > > > when compiling xenomai v2.4.x for ARM with gcc 4.2.1, I get plenty of > > > warnings like: > > > xenomai-arm/kernel/xenomai/skins/posix/syscall.c:38: > > > xenomai-arm/include/xenomai/rtdm/rtdm_driver.h:206: warning: parameter > has incomplete type > > > > > > So it seems gcc 4.2.1 does not like the enum being used in function > > > prototypes without being defines. So, could we move the enum definition > > > before the functions using it ? > > > > > > > We can sort this out with a simple forward declaration. > > That is the way it is done today, but gcc 4.2.1 seems not to like > it. Maybe recent C standards allow the compiler to pick the smallest type > for the enum as C++ does ? >
Or any integral type the implementation sees fit actually. Well, yes, maybe it is indeed bits of the C++ standard dripping on the C implementation of GCC, especially if forward decl of enums is not explicitly defined by the C standard. -- Philippe. _______________________________________________ Xenomai-core mailing list Xenomai-core@gna.org https://mail.gna.org/listinfo/xenomai-core
