fix: disable some abi conflict tests on FreeBSD

[lttng-ust.git] / src / lib / lttng-ust / lttng-ust-comm.c

diff --git a/src/lib/lttng-ust/lttng-ust-comm.c b/src/lib/lttng-ust/lttng-ust-comm.c
index 2c902dc2737e922204628293e806306fa08e174a..2a105bd7dcefe5c5cd976cb0010f2b23b2c9349e 100644 (file)
--- a/src/lib/lttng-ust/lttng-ust-comm.c
+++ b/src/lib/lttng-ust/lttng-ust-comm.c
@@ -2125,6 +2125,10 @@ void lttng_ust_check_soname_0(void)
  * Expose a canary symbol of the previous ABI to ensure we catch uses of a
  * liblttng-ust.so.0 dlopen'd after .so.1 has been loaded. Use a different
  * symbol than the detection code to ensure we don't detect ourself.
+ *
+ * This scheme will only work on systems where the global symbol table has
+ * priority when resolving the symbols of a dlopened shared object, which is
+ * the case on Linux but not on FreeBSD.
  */
 void init_usterr(void);
 void init_usterr(void)