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-rw-r--r--newlib/libc/include/wchar.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/newlib/libc/include/wchar.h b/newlib/libc/include/wchar.h
index 252e59d81..234c71e00 100644
--- a/newlib/libc/include/wchar.h
+++ b/newlib/libc/include/wchar.h
@@ -38,6 +38,10 @@
_BEGIN_STD_C
+/* As required by POSIX.1-2008, declare tm as incomplete type.
+ The actual definition is in time.h. */
+struct tm;
+
#ifndef _MBSTATE_T
#define _MBSTATE_T
typedef _mbstate_t mbstate_t;