Add empty plug-in hooks to prevent their elimination by the linker

[babeltrace.git] / formats / ctf-metadata / ctf-metadata.c

diff --git a/formats/ctf-metadata/ctf-metadata.c b/formats/ctf-metadata/ctf-metadata.c
index ff65306f764aed49b3b1d614b0ebf3f30505d693..a6397ec0b18d7b5f11d526567c29469bccacdd3e 100644 (file)
--- a/formats/ctf-metadata/ctf-metadata.c
+++ b/formats/ctf-metadata/ctf-metadata.c
@@ -54,6 +54,14 @@ struct bt_format ctf_metadata_format = {
        .close_trace = ctf_metadata_close_trace,
 };
 
+void bt_ctf_metadata_hook(void)
+{
+       /*
+        * Dummy function to prevent the linker from discarding this format as
+        * "unused" in static builds.
+        */
+}
+
 static
 int ctf_metadata_trace_pre_handler(struct bt_stream_pos *ppos,
                        struct bt_trace_descriptor *td)