[lttng-dev] [PATCH] Fix: tracepoint.h: define SDT_USE_VARIADIC in pkg-config CFLAGS

[Stefan Hajnoczi]

On Mon, Jun 29, 2020 at 12:36:57PM -0400, Michael Jeanson wrote:
> ----- On 29 Jun, 2020, at 12:26, Stefan Hajnoczi stefanha at redhat.com wrote:
> 
> > On Fri, Jun 26, 2020 at 05:02:00PM -0400, Michael Jeanson wrote:
> >> I proposed a patch here[1] that addresses this problem in a generic way by
> >> duplicating the macro and namespacing it under LTTNG_. Honestly this is more
> >> of an sdt bug, the STAP_PROBEV should be in it's own include guard outside
> >> of _SYS_SDT_H or in it's own header file but we have to work with what's there.
> >> 
> >> Can you have a look at the patch and confirm that it fixes your problem?
> > 
> > Great, glad there is already a fix under review.
> > 
> > When I try out the patch the application does not compile. The error
> > messages are the same as without the patch because _LTTNG_SDT_PROBE() is
> > not defined. Was that supposed to be _SDT_PROBE() instead?
> > 
> > The application compiles successfully after replacing _LTTNG_SDT_PROBE()
> > with _SDT_PROBE().
> > 
> > Stefan
> 
> Yes indeed, I reworked the patch after testing it and didn't catch this, I've
> just pushed an updated patch. Thanks for testing it and catching this.

Nice! Thanks for the fix.

Stefan
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