From 2917180c216cf31c44bfad7a069cac6ba54ed9aa Mon Sep 17 00:00:00 2001
From: FragrantRye <903465575@qq.com>
Date: Wed, 16 Aug 2023 19:47:41 -0400
Subject: [PATCH] [libc][newlib] __sdidinit is obselete

related:
https://github.com/RT-Thread/rt-thread/issues/7923
https://github.com/mirror/newlib-cygwin/commit/44b60f0c4ba597c55dcac4f2d3119a3055c80ba1

Co-authored-by: Meco Man <920369182@qq.com>
---
 components/libc/posix/io/stdio/stdio.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/components/libc/posix/io/stdio/stdio.c b/components/libc/posix/io/stdio/stdio.c
index 4e5464c53..98816c1f2 100644
--- a/components/libc/posix/io/stdio/stdio.c
+++ b/components/libc/posix/io/stdio/stdio.c
@@ -47,6 +47,8 @@ INIT_ENV_EXPORT(rt_posix_stdio_init);
 
 #if defined(RT_USING_NEWLIBC)
 
+#define NEWLIB_VERSION_NUM (__NEWLIB__ * 10000U + __NEWLIB_MINOR__ * 100U + __NEWLIB_PATCHLEVEL__)
+
 static FILE* std_console = NULL;
 int rt_posix_stdio_set_console(const char* device_name, int mode)
 {
@@ -102,7 +104,9 @@ int rt_posix_stdio_set_console(const char* device_name, int mode)
             _GLOBAL_REENT->_stderr = std_console;
         }
 
-        _GLOBAL_REENT->__sdidinit = 1;
+#if (NEWLIB_VERSION_NUM < 30400U) || (NEWLIB_VERSION_NUM >= 40000U && NEWLIB_VERSION_NUM < 40300U)
+        _GLOBAL_REENT->__sdidinit = 1; /* __sdidinit is obselete */
+#endif
     }
 
     if (std_console)
-- 
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