#define *lttng_ust_tracepoint*('prov_name', 't_name', ...)
#define *lttng_ust_tracepoint_enabled*('prov_name', 't_name')
-Link with `-llttng-ust -llttng-ust-common -ldl`, following this man page.
+Link with, following this manual page:
+
+* `-llttng-ust -ldl`
+* If you define `_LGPL_SOURCE` before including
+ `<lttng/tracepoint.h>` (directly or indirectly): `-llttng-ust-common`
DESCRIPTION
provider's API changes).
Then, link your application with this object file (or with the static
-library containing it) and with `liblttng-ust`, `liblttng-ust-common`,
-and `libdl` (`libc` on a BSD system):
+library containing it) and with `liblttng-ust` and `libdl` (`libc` on a
+BSD system):
[role="term"]
----
-$ cc -o app tp.o app.o -llttng-ust -llttng-ust-common -ldl
+$ cc -o app tp.o app.o -llttng-ust -ldl
----
[role="term"]
----
-$ cc -shared -Wl,--no-as-needed -o tp.so tp.o -llttng-ust \
- -llttng-ust-common
+$ cc -shared -Wl,--no-as-needed -o tp.so tp.o -llttng-ust
----
This tracepoint provider shared object isn't linked with the user
----
$ cc -c -I. tp.c
$ cc -c app.c
-$ cc -o app tp.o app.o -llttng-ust -llttng-ust-common -ldl
+$ cc -o app tp.o app.o -llttng-ust -ldl
----
Using the man:lttng(1) tool, create an LTTng tracing session, enable
WARNING: Setting this environment variable may significantly
affect application timings.
+`LTTNG_UST_ABORT_ON_CRITICAL`::
+ If set, abort the instrumented application on a critical error message.
+
`LTTNG_UST_CLOCK_PLUGIN`::
Path to the shared object which acts as the clock override plugin.
An example of such a plugin can be found in the LTTng-UST