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