[newlib-cygwin] Enable _REENT_GLOBAL_STDIO_STREAMS for RTEMS

[Sebastian Huber <sh@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d2e256a36a877fca17272c2e4640d967ea8c490f

commit d2e256a36a877fca17272c2e4640d967ea8c490f
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Thu Jun 29 08:17:04 2017 +0200

    Enable _REENT_GLOBAL_STDIO_STREAMS for RTEMS
    
    Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

Diff:
---
 newlib/libc/include/sys/config.h | 1 +
 newlib/libc/stdio/local.h        | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/newlib/libc/include/sys/config.h b/newlib/libc/include/sys/config.h
index 555239f..ae8caff 100644
--- a/newlib/libc/include/sys/config.h
+++ b/newlib/libc/include/sys/config.h
@@ -238,6 +238,7 @@
 #define _READ_WRITE_RETURN_TYPE _ssize_t
 #define __DYNAMIC_REENT__
 #define _REENT_GLOBAL_ATEXIT
+#define _REENT_GLOBAL_STDIO_STREAMS
 #endif
 
 #ifndef __EXPORT
diff --git a/newlib/libc/stdio/local.h b/newlib/libc/stdio/local.h
index 5f69955..511e5e3 100644
--- a/newlib/libc/stdio/local.h
+++ b/newlib/libc/stdio/local.h
@@ -38,7 +38,7 @@
    case _STDIO_CLOSE_PER_REENT_STD_STREAMS is defined these file descriptors
    will be closed via close() provided the owner of the reent structure
    triggerd the on demand reent initilization, see CHECK_INIT(). */
-#if !defined(__rtems__) && !defined(__tirtos__)
+#if !defined(__tirtos__)
 #define _STDIO_CLOSE_PER_REENT_STD_STREAMS
 #endif