RFC: add some static probes to libstdc++
Tue Apr 2 15:40:00 GMT 2013
On Tue, 2 Apr 2013, Jonathan Wakely wrote:
> On 15 March 2013 08:55, Jakub Jelinek <firstname.lastname@example.org> wrote:
>> On Thu, Feb 28, 2013 at 08:32:02AM -0700, Tom Tromey wrote:
>>> 2013-02-27 Tom Tromey <email@example.com>
>>> * libsupc++/unwind-cxx.h: Include sys/sdt.h if detected.
>>> (PROBE2): New macro.
>>> * libsupc++/eh_throw.cc (__cxa_throw, __cxa_rethrow): Add probe.
>>> * libsupc++/eh_catch.cc (__cxa_begin_catch): Add probe.
>>> * configure.ac: Check for sys/sdt.h.
>>> * configure, config.h.in: Rebuild.
>> This is ok. As we are close to 4.8.0-rc1, I went ahead and committed it for
> This change is causing a few problems, it looks as though older
> versions of Systemtap headers are incompatible with C++11 due to the
> UDL/whitespace issues described at
> e.g. http://gcc.gnu.org/ml/gcc-help/2013-04/msg00011.html
> Should we update the prerequisites documentation to say that if
> Systemtap is installed it needs to be at least version X?
I thought you were going to suggest enhancing the configure test so it
fails on old systemtap (detects it as absent).
More information about the Libstdc++