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Re: [PATCH] Test for profiling support (_mcount/gprof)
On 08/16/2017 08:45 AM, Andreas Schwab wrote:
> On Aug 15 2017, Florian Weimer <fweimer@redhat.com> wrote:
>
>> @@ -38,6 +38,12 @@ endif
>> # The mcount code won't work without a frame pointer.
>> CFLAGS-mcount.c := -fno-omit-frame-pointer
>>
>> +CFLAGS-tst-gmon.c := -pg
>
> This fails if CFLAGS contains -fomit-frame-pointer.
Is the problem that -pg and -fomit-frame-pointer is incompatible?
Do you compile with -fomit-frame-pointer because your GCC was built with
--enable-frame-pointer?
Thanks,
Florian