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-rw-r--r--newlib/libc/include/errno.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/newlib/libc/include/errno.h b/newlib/libc/include/errno.h
index 81eaef710..7cc2ca86f 100644
--- a/newlib/libc/include/errno.h
+++ b/newlib/libc/include/errno.h
@@ -1,7 +1,10 @@
#ifndef __ERRNO_H__
#define __ERRNO_H__
+#ifndef __error_t_defined
typedef int error_t;
+#define __error_t_defined 1
+#endif
#include <sys/errno.h>