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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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