Re: [Qemu-devel] [PATCH v1 5/5] Convert single line fprintf() to warn_report()

["Daniel P. Berrange" <berrange@redhat.com>]

On Wed, Jul 26, 2017 at 09:33:56AM -0700, Alistair Francis wrote:
> On Wed, Jul 26, 2017 at 9:28 AM, Daniel P. Berrange <berrange@redhat.com> wrote:
> > On Wed, Jul 26, 2017 at 09:07:59AM -0700, Alistair Francis wrote:
> >> Convert any remaining uses of fprintf(stderr, "warning:"...
> >> to use warn_report() instead. This helps standardise on a single
> >> method of printing warnings to the user.
> >>
> >> All of the warnings were changed using this command:
> >>   find ./* -type f -exec sed -i 's|fprintf(.*".*warning[,:] |warn_report("|Ig' {} +
> >>
> >> The #include lines and chagnes to the test Makefile were manually
> >> updated to allow the code to compile.
> >>
> >> Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
> >> ---
> >>
> >>  tests/Makefile.include | 4 ++--
> >>  util/cutils.c          | 3 ++-
> >>  2 files changed, 4 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/tests/Makefile.include b/tests/Makefile.include
> >> index 7af278db55..4886caf565 100644
> >> --- a/tests/Makefile.include
> >> +++ b/tests/Makefile.include
> >> @@ -560,8 +560,8 @@ tests/test-thread-pool$(EXESUF): tests/test-thread-pool.o $(test-block-obj-y)
> >>  tests/test-iov$(EXESUF): tests/test-iov.o $(test-util-obj-y)
> >>  tests/test-hbitmap$(EXESUF): tests/test-hbitmap.o $(test-util-obj-y) $(test-crypto-obj-y)
> >>  tests/test-x86-cpuid$(EXESUF): tests/test-x86-cpuid.o
> >> -tests/test-xbzrle$(EXESUF): tests/test-xbzrle.o migration/xbzrle.o migration/page_cache.o $(test-util-obj-y)
> >> -tests/test-cutils$(EXESUF): tests/test-cutils.o util/cutils.o
> >> +tests/test-xbzrle$(EXESUF): tests/test-xbzrle.o migration/xbzrle.o migration/page_cache.o $(test-qom-obj-y)
> >> +tests/test-cutils$(EXESUF): tests/test-cutils.o util/cutils.o $(test-qom-obj-y)
> >
> > This doesn't look right to me - $(test-qom-obj-y) is the same as
> > $(test-util-obj-y), but with $(qom-obj-y) added.  AFAIK, your
> > warn_report function doesn't use any code from $(qom-obj-y), so
> > we should not need to link to that. So I think there's something
> > else going on here.
> 
> The problem I was seeing is that monitor_get_fd() is getting called in
> stubs/monitor.c which then requires error_setg_internal() to be linked
> in. Apparently this doesn't happen without this change as I kept
> seeing linker errors.

That's bizarre because  error_setg_internal is included in libqemuutil.la
that we're already linking to.


Regards,
Daniel
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