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

[Stefan Hajnoczi]

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
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