fix:[kstdio]Disable "-Wimplicit-fallthrough" below GNUC V7 (#9459)

fix:Disable "-Wimplicit-fallthrough" below GNUC V7
RT-Thread · Sep 22, 2024 · 5ec20c4 · 5ec20c4
1 parent 9a27de9
commit 5ec20c4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/klibc/kstdio.c b/src/klibc/kstdio.c
@@ -287,7 +287,7 @@ static char *print_number(char *buf,
     return buf;
 }
 
-#if defined(__GNUC__) && !defined(__ARMCC_VERSION) /* GCC */
+#if defined(__GNUC__) && (__GNUC__ >= 7) && !defined(__ARMCC_VERSION) /* GCC */
 #pragma GCC diagnostic push
 /* ignore warning: this statement may fall through */
 #pragma GCC diagnostic ignored "-Wimplicit-fallthrough"