[Bug fortran/51828] libgfortran build warnings

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51828

--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-01-11 21:05:01 UTC ---
(In reply to comment #1)
> I also see
> ../../../work/libgfortran/caf/libcaf.h:80:6: warning: no previous prototype for
> '_gfortran_caf_critical' [-Wmissing-prototypes]
> ../../../work/libgfortran/caf/libcaf.h:81:6: warning: no previous prototype for
> '_gfortran_caf_end_critical' [-Wmissing-prototypes]

Ignore that one - _gfortran_caf_critical / _gfortran_caf_end_critical is the
wrong approach for it. It should use internally type(lock_type) but that has
not yet been implemented.