SoC: only define _DEFAULT_SOURCE when _DEFAULT_SOURCE not defined in newlib stubs.c

fanghuaqi · fanghuaqi · commit f6dbbf4f7826 · 2025-05-21T17:19:21.000+08:00
Signed-off-by: Huaqi Fang &lt;578567190@qq.com&gt;
diff --git a/SoC/evalsoc/Common/Source/Stubs/newlib/stubs.c b/SoC/evalsoc/Common/Source/Stubs/newlib/stubs.c
@@ -1,7 +1,9 @@
 /* See LICENSE of license details. */
 // If you want to enable GNU extensions, please define _GNU_SOURCE
 // Enable POSIX-1.2008 with BSD and SVr4 extensions via _DEFAULT_SOURCE
+#ifndef _DEFAULT_SOURCE
 #define _DEFAULT_SOURCE
+#endif
 #include <stdint.h>
 #include <errno.h>
 #include <unistd.h>
diff --git a/SoC/gd32vf103/Common/Source/Stubs/newlib/stubs.c b/SoC/gd32vf103/Common/Source/Stubs/newlib/stubs.c
@@ -1,7 +1,9 @@
 /* See LICENSE of license details. */
 // If you want to enable GNU extensions, please define _GNU_SOURCE
 // Enable POSIX-1.2008 with BSD and SVr4 extensions via _DEFAULT_SOURCE
+#ifndef _DEFAULT_SOURCE
 #define _DEFAULT_SOURCE
+#endif
 #include <stdint.h>
 #include <errno.h>
 #include <unistd.h>
diff --git a/SoC/gd32vw55x/Common/Source/Stubs/newlib/stubs.c b/SoC/gd32vw55x/Common/Source/Stubs/newlib/stubs.c
@@ -1,7 +1,9 @@
 /* See LICENSE of license details. */
 // If you want to enable GNU extensions, please define _GNU_SOURCE
 // Enable POSIX-1.2008 with BSD and SVr4 extensions via _DEFAULT_SOURCE
+#ifndef _DEFAULT_SOURCE
 #define _DEFAULT_SOURCE
+#endif
 #include <stdint.h>
 #include <errno.h>
 #include <unistd.h>
