> 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