#define *lttng_ust_tracef*('fmt', ...)
#define *lttng_ust_vtracef*('fmt', 'ap')
-Link with `-llttng-ust -llttng-ust-common`.
+Link with:
+
+* `-llttng-ust`
+* If you define `_LGPL_SOURCE` before including
+ `<lttng/tracef.h>` (directly or indirectly): `-llttng-ust-common`
DESCRIPTION