variable `LTTNG_UST_DEBUG` when launching the user application. It
can also be enabled at build time by compiling LTTng-UST with
`-DLTTNG_UST_DEBUG`.
+ - `liblttng-ust` abort on critical can be activated by setting the
+ environment variable `LTTNG_UST_ABORT_ON_CRITICAL` when launching the user
+ application. It can also be enabled at build time by compiling LTTng-UST with
+ `-DLTTNG_UST_ABORT_ON_CRITICAL`.
- The environment variable `LTTNG_UST_REGISTER_TIMEOUT` can be used to
specify how long the applications should wait for the session
daemon _registration done_ command before proceeding to execute the
Since LTTng-UST 2.3, both tracepoints and tracepoint providers can be
compiled in C++. To compile tracepoint probes in C++, you need
-G++ >= 4.7 or Clang. The C++ compilers need to support C++11.
+G++ >= 4.7 or Clang >= 4.0. The C++ compilers need to support C++11.
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