[Powertop] [PATCH 1/2] Make it possible to include parse-events.h before libc headers.

The __unused macro interferes with the glibc and is in a reserved namespace
so it should be renamed.
Additionally the __ununsed macro is used from just one implementation file so
the macro is moved there.

Signed-off-by: Magnus Fromreide <magfr(a)lysator.liu.se>
---
 pevent/parse-events.c |   12 +++++++++---
 pevent/parse-events.h |    4 ----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/pevent/parse-events.c b/pevent/parse-events.c
index 58716e9..c039698 100644
--- a/pevent/parse-events.c
+++ b/pevent/parse-events.c
@@ -37,6 +37,10 @@
 
 #include "parse-events.h"
 
+#ifndef pevent_unused
+#define pevent_unused __attribute__ ((unused))
+#endif
+
 static const char *input_buf;
 static unsigned long long input_buf_ptr;
 static unsigned long long input_buf_siz;
@@ -1777,7 +1781,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
 }
 
 static enum event_type
-process_entry(struct event_format *event __unused, struct print_arg *arg,
+process_entry(struct event_format *event pevent_unused, struct print_arg *arg,
 	      char **tok)
 {
 	enum event_type type;
@@ -2350,7 +2354,8 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok)
 
 
 static enum event_type
-process_str(struct event_format *event __unused, struct print_arg *arg, char **tok)
+process_str(struct event_format *event pevent_unused, struct print_arg *arg,
+	    char **tok)
 {
 	enum event_type type;
 	char *token;
@@ -3500,7 +3505,8 @@ static void free_args(struct print_arg *args)
 }
 
 static char *
-get_bprint_format(void *data, int size __unused, struct event_format *event)
+get_bprint_format(void *data, int size pevent_unused,
+		  struct event_format *event)
 {
 	struct pevent *pevent = event->pevent;
 	unsigned long long addr;
diff --git a/pevent/parse-events.h b/pevent/parse-events.h
index 5d5d195..124aa1b 100644
--- a/pevent/parse-events.h
+++ b/pevent/parse-events.h
@@ -27,10 +27,6 @@
 #include <stdarg.h>
 #include <regex.h>
 
-#ifndef __unused
-#define __unused __attribute__ ((unused))
-#endif
-
 /* ----------------------- trace_seq ----------------------- */
 
 
-- 
1.7.10.4