-LTTng-UST depends on [liburcu](http://liburcu.org/) v0.7.2 at build and
-run times. It also depends on libnuma.
+LTTng-UST depends on **[liburcu](http://liburcu.org/) >= 0.12** at build and
+run times. It also optionally depends on libnuma.
- (**Automake >= 1.10**, **Autoconf >= 2.50**,
- **Autoheader >= 2.50**;
+ (**Automake >= 1.12**, **Autoconf >= 2.69**,
+ **Autoheader >= 2.69**;
make sure your system-wide `automake` points to a recent version!)
- **[GNU Libtool](https://www.gnu.org/software/libtool/) >= 2.2**
make sure your system-wide `automake` points to a recent version!)
- **[GNU Libtool](https://www.gnu.org/software/libtool/) >= 2.2**
Since LTTng-UST 2.3, both tracepoints and tracepoint providers can be
compiled in C++. To compile tracepoint probes in C++, you need
Since LTTng-UST 2.3, both tracepoints and tracepoint providers can be
compiled in C++. To compile tracepoint probes in C++, you need