perf tools: Convert to GTK2_SUPPORT

For building perf without gtk+2, we can set NO_GTK2=1 as a argument of
make.  It then defines NO_GTK2_SUPPORT macro for C code to do the
proper handling.  However it usually used in a negative semantics -
e.g. #ifndef - so we saw double negations which can be misleading.
Convert it to a positive form to make it more readable.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1348824728-14025-8-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 843638d0287f..6ca74079d5c9 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -187,7 +187,11 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self
 #define K_RIGHT -2
 #endif
 
-#ifdef NO_GTK2_SUPPORT
+#ifdef GTK2_SUPPORT
+int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help,
+                                  void(*timer)(void *arg), void *arg,
+                                  int refresh);
+#else
 static inline
 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused,
                                   const char *help __maybe_unused,
@@ -197,11 +201,6 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused,
 {
         return 0;
 }
-
-#else
-int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help,
-                                  void(*timer)(void *arg), void *arg,
-                                  int refresh);
 #endif
 
 unsigned int hists__sort_list_width(struct hists *self);