[google] Build libstdc++ exception throwing code with frame pointers (issue4348050)

Diego Novillo dnovillo@google.com
Tue Apr 5 07:06:00 GMT 2011


On Mon, Apr 4, 2011 at 23:05, Paul Pluzhnikov <ppluzhnikov@google.com> wrote:

> 2011-04-04  Paul Pluzhnikov  <ppluzhnikov@google.com>
>
>        * libstdc++-v3/src/Makefile.am  (revision 171950): Add
>        -fno-omit-frame-pointer to functexcept.
>        * libstdc++-v3/libsupc++/Makefile.am    (revision 171950): Add
>        -fno-omit-frame-pointer to eh_throw and eh_terminate.
>        * libstdc++-v3/src/Makefile.in  (revision 171950): Regenerate.
>        * libstdc++-v3/libsupc++/Makefile.in    (revision 171950): Regenerate.

Remove the '(revision 171950)' strings.


>
> Index: libstdc++-v3/src/Makefile.am
> ===================================================================
> --- libstdc++-v3/src/Makefile.am        (revision 171950)
> +++ libstdc++-v3/src/Makefile.am        (working copy)
> @@ -395,7 +395,8 @@
>        $(XTEMPLATE_FLAGS) \
>        $(WARN_CXXFLAGS) \
>        $(OPTIMIZE_CXXFLAGS) \
> -       $(CONFIG_CXXFLAGS)
> +       $(CONFIG_CXXFLAGS) \
> +       $($(@)_no_omit_frame_pointer)
>
>
>  # libstdc++ libtool notes
> @@ -469,3 +470,6 @@
>  install_debug:
>        (cd ${debugdir} && $(MAKE) \
>        toolexeclibdir=$(glibcxx_toolexeclibdir)/debug install)
> +
> +# Google-specific pessimization
> +functexcept.lo_no_omit_frame_pointer = -fno-omit-frame-pointer

Does this mean that this is not intended to go to trunk ever?  If so,
it may make more sense to put this in google/integration instead of
google/main.


Diego.



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