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SubjectRe: [PATCH v2 0/4] Add support for compiling with -ffunction-sections -fdata-sections
Anders Kaseorg wrote:
> On Tue, 21 Apr 2009, Américo Wang wrote:
>> Nice work! But, don't -ffunction-sections and -fdata-sections have
>> collisions with '-g' and 'gprof'? Just like what gcc(1) describes.
>
> That description seems to be long obsolete. gcc used to warn that
> -ffunction-sections may affect debugging, but that warning was disabled
> for ELF targets in 1999, presumably because ELF has always supported
> arbitrary section names even though some other object formats have issues.
> <http://gcc.gnu.org/ml/gcc-patches/2008-03/msg00975.html>
>
> I know that debugging under -ffunction-sections -g works fine on at least
> x86, which is the only platform on which we currently propose to provide
> this option, and based on that message it looks like other platforms are
> fine too.

Would you know actual version of gcc from which supports the combination of
-ffunction-sections and -g?

Thank you,

--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com

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