1 files changed, 17 insertions, 12 deletions

diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 3beab489afc5..1eaa6617c814 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -17,9 +17,9 @@
 static char             const *input_name = "-";
 static bool             inject_build_ids;
 
-static int perf_event__repipe_synth(struct perf_tool *tool __used,
+static int perf_event__repipe_synth(struct perf_tool *tool __maybe_unused,
                                     union perf_event *event,
-                                    struct machine *machine __used)
+                                    struct machine *machine __maybe_unused)
 {
         uint32_t size;
         void *buf = event;
@@ -40,7 +40,8 @@ static int perf_event__repipe_synth(struct perf_tool *tool __used,
 
 static int perf_event__repipe_op2_synth(struct perf_tool *tool,
                                         union perf_event *event,
-                                        struct perf_session *session __used)
+                                        struct perf_session *session
+                                        __maybe_unused)
 {
         return perf_event__repipe_synth(tool, event, NULL);
 }
@@ -52,13 +53,14 @@ static int perf_event__repipe_event_type_synth(struct perf_tool *tool,
 }
 
 static int perf_event__repipe_tracing_data_synth(union perf_event *event,
-                                                 struct perf_session *session __used)
+                                                 struct perf_session *session
+                                                 __maybe_unused)
 {
         return perf_event__repipe_synth(NULL, event, NULL);
 }
 
 static int perf_event__repipe_attr(union perf_event *event,
-                                   struct perf_evlist **pevlist __used)
+                                   struct perf_evlist **pevlist __maybe_unused)
 {
         int ret;
         ret = perf_event__process_attr(event, pevlist);
@@ -70,7 +72,7 @@ static int perf_event__repipe_attr(union perf_event *event,
 
 static int perf_event__repipe(struct perf_tool *tool,
                               union perf_event *event,
-                              struct perf_sample *sample __used,
+                              struct perf_sample *sample __maybe_unused,
                               struct machine *machine)
 {
         return perf_event__repipe_synth(tool, event, machine);
@@ -78,8 +80,8 @@ static int perf_event__repipe(struct perf_tool *tool,
 
 static int perf_event__repipe_sample(struct perf_tool *tool,
                                      union perf_event *event,
-                              struct perf_sample *sample __used,
-                              struct perf_evsel *evsel __used,
+                              struct perf_sample *sample __maybe_unused,
+                              struct perf_evsel *evsel __maybe_unused,
                               struct machine *machine)
 {
         return perf_event__repipe_synth(tool, event, machine);
@@ -163,7 +165,7 @@ static int dso__inject_build_id(struct dso *self, struct perf_tool *tool,
 static int perf_event__inject_buildid(struct perf_tool *tool,
                                       union perf_event *event,
                                       struct perf_sample *sample,
-                                      struct perf_evsel *evsel __used,
+                                      struct perf_evsel *evsel __maybe_unused,
                                       struct machine *machine)
 {
         struct addr_location al;
@@ -191,10 +193,13 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
                                  * If this fails, too bad, let the other side
                                  * account this as unresolved.
                                  */
-                        } else
+                        } else {
+#ifndef NO_LIBELF_SUPPORT
                                 pr_warning("no symbols found in %s, maybe "
                                            "install a debug package?\n",
                                            al.map->dso->long_name);
+#endif
+                        }
                 }
         }
 
@@ -221,7 +226,7 @@ struct perf_tool perf_inject = {
 
 extern volatile int session_done;
 
-static void sig_handler(int sig __attribute__((__unused__)))
+static void sig_handler(int sig __maybe_unused)
 {
         session_done = 1;
 }
@@ -264,7 +269,7 @@ static const struct option options[] = {
         OPT_END()
 };
 
-int cmd_inject(int argc, const char **argv, const char *prefix __used)
+int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
 {
         argc = parse_options(argc, argv, options, report_usage, 0);