Set CONFIG_RTC to 0 for non-RTC targets, and check with #if to profit from -Wundef. No code change.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12811 a1c6a512-1295-4272-9138-f99709370657

4 files changed, 9 insertions, 5 deletions

diff --git a/firmware/common/timefuncs.c b/firmware/common/timefuncs.c
index e48aadd0a2..d073ec819c 100644
--- a/firmware/common/timefuncs.c
+++ b/firmware/common/timefuncs.c
@@ -46,7 +46,7 @@ bool valid_time(const struct tm *tm)
 struct tm *get_time(void)
 {
 #ifndef SIMULATOR
-#ifdef CONFIG_RTC
+#if CONFIG_RTC
     static long timeout = 0;
 
     /* Don't read the RTC more than once per second */
@@ -95,7 +95,7 @@ struct tm *get_time(void)
 
 int set_time(const struct tm *tm)
 {
-#ifdef CONFIG_RTC
+#if CONFIG_RTC
     int rc;
     char rtcbuf[7];
     
diff --git a/firmware/drivers/fat.c b/firmware/drivers/fat.c
index e3e1a755cb..142d750bde 100644
--- a/firmware/drivers/fat.c
+++ b/firmware/drivers/fat.c
@@ -943,7 +943,7 @@ static void fat_time(unsigned short* date,
                      unsigned short* time,
                      unsigned short* tenth )
 {
-#ifdef CONFIG_RTC
+#if CONFIG_RTC
     struct tm* tm = get_time();
 
     if (date)
@@ -1506,7 +1506,7 @@ static int update_short_entry( struct fat_file* file, long size, int attr )
     *sizeptr = htole32(size);
 
     {
-#ifdef CONFIG_RTC
+#if CONFIG_RTC
         unsigned short time = 0;
         unsigned short date = 0;
 #else
diff --git a/firmware/export/config.h b/firmware/export/config.h
index ae1ce5b283..c935ac466f 100644
--- a/firmware/export/config.h
+++ b/firmware/export/config.h
@@ -242,6 +242,10 @@
 #define CONFIG_CHARGING 0
 #endif
 
+#ifndef CONFIG_RTC
+#define CONFIG_RTC 0
+#endif
+
 /* Enable the directory cache and tagcache in RAM if we have
  * plenty of RAM. Both features can be enabled independently. */
 #if ((defined(MEMORYSIZE) && (MEMORYSIZE > 8)) || MEM > 8) && \
diff --git a/firmware/export/rtc.h b/firmware/export/rtc.h
index eea83d85bb..3d7a6d6ead 100644
--- a/firmware/export/rtc.h
+++ b/firmware/export/rtc.h
@@ -23,7 +23,7 @@
 #include "system.h"
 #include "config.h"
 
-#ifdef CONFIG_RTC
+#if CONFIG_RTC
 
 extern const int dayname[];