> Richard,
> 
> I looked at my patch again. I already add -Wno-error to libgcov-util.o
> compilation:
> In line 200 of gcc/Makefile.in
> libgcov-util.o-warn = -Wno-error
> 
> In my test, I used gcc-4.6 as the host compiler. I got warning like this:
> 
> In file included from ../../gcc/gcc/../libgcc/libgcov-util.c:30:0:
> ../../gcc/gcc/../libgcc/libgcov.h:184:30: warning: ISO C++ forbids
> zero-size array ???ctrs??? [-pedantic]
> 
> Can you check your buildlog to see if -Wno-error is added to the command line?

I would preffer the libgcov.h (that is interface header to libgcov users) to be
valid C++, so we still ought to fix it.

Honza
> 
> Thanks,
> 
> -Rong
> 
> On Fri, Jul 11, 2014 at 9:47 AM, Rong Xu <x...@google.com> wrote:
> > I did see the warning in the bootstrap, but it did not exit the build.
> > I thought it was ok.
> >
> > I'll have a patch for this and send for review.
> >
> > -Rong
> >
> > On Fri, Jul 11, 2014 at 9:13 AM, Xinliang David Li <davi...@google.com> 
> > wrote:
> >> right.
> >>
> >> Rong, the fix would be just change ctr array size to 1. For each
> >> function, there should be at least one kind of counters -- see the
> >> assertion in build_fn_info_type.  There are some code that do
> >> 'sizeof(gcov_fn_info)' when computing heap size -- they can be
> >> adjusted or leave it as it is (if not doing memcpy for the whole
> >> array).
> >>
> >> David
> >>
> >> On Fri, Jul 11, 2014 at 8:44 AM, Jakub Jelinek <ja...@redhat.com> wrote:
> >>> On Fri, Jul 11, 2014 at 08:42:27AM -0700, Xinliang David Li wrote:
> >>>> I wonder why. The struct definition for gcov_fn_info has not changed
> >>>> in this patch.
> >>>
> >>> Perhaps it has been used only in C until now?
> >>>
> >>>         Jakub

Reply via email to