Support building with gcc 4.9.3 or later

sandeepmistry · sandeepmistry · commit 9dd87031bd7d · 2016-04-07T10:15:42.000-04:00
Port of arduino/Arduino#4830
diff --git a/cores/arduino/itoa.c b/cores/arduino/itoa.c
@@ -122,7 +122,14 @@ extern char* ltoa( long value, char *string, int radix )
   return string;
 }
 
+#if __GNUC__ > 4 || \
+    (__GNUC__ == 4 && (__GNUC_MINOR__ > 9 || \
+                       (__GNUC_MINOR__ == 9 && \
+                        __GNUC_PATCHLEVEL__ > 2)))
+extern char* utoa( unsigned value, char *string, int radix )
+#else
 extern char* utoa( unsigned long value, char *string, int radix )
+#endif
 {
   return ultoa( value, string, radix ) ;
 }
diff --git a/cores/arduino/itoa.h b/cores/arduino/itoa.h
@@ -26,7 +26,14 @@ extern "C"{
 
 extern char* itoa( int value, char *string, int radix ) ;
 extern char* ltoa( long value, char *string, int radix ) ;
+#if __GNUC__ > 4 || \
+    (__GNUC__ == 4 && (__GNUC_MINOR__ > 9 || \
+                       (__GNUC_MINOR__ == 9 && \
+                        __GNUC_PATCHLEVEL__ > 2)))
+extern char* utoa( unsigned value, char *string, int radix ) ;
+#else
 extern char* utoa( unsigned long value, char *string, int radix ) ;
+#endif
 extern char* ultoa( unsigned long value, char *string, int radix ) ;
 
 #ifdef __cplusplus

Original file line number	Diff line number	Diff line change
`@@ -122,7 +122,14 @@ extern char* ltoa( long value, char *string, int radix )`
`122`	`122`	`return string;`
`123`	`123`	`}`
`124`	`124`
	`125`	`+#if __GNUC__ > 4 \|\| \`
	`126`	`+ (__GNUC__ == 4 && (__GNUC_MINOR__ > 9 \|\| \`
	`127`	`+ (__GNUC_MINOR__ == 9 && \`
	`128`	`+ __GNUC_PATCHLEVEL__ > 2)))`
	`129`	`+extern char* utoa( unsigned value, char *string, int radix )`
	`130`	`+#else`
`125`	`131`	`extern char* utoa( unsigned long value, char *string, int radix )`
	`132`	`+#endif`
`126`	`133`	`{`
`127`	`134`	`return ultoa( value, string, radix ) ;`
`128`	`135`	`}`