compiled newlib, need to hook up the system calls

sysroot/usr/include/pdclib/_PDCLIB_defguard.h

@@ -0,0 +1,29 @@
+/* Definition guard <_PDCLIB_defguard.h>
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#ifndef _PDCLIB_DEFGUARD_H
+#define _PDCLIB_DEFGUARD_H _PDCLIB_DEFGUARD_H
+
+#if defined( __ANDROID__ )
+/* typedef sigset_t */
+#include "bits/signal_types.h"
+#endif
+
+/* Linux defines its own version of struct timespec (from <time.h>) in
+   some internal header (depending on clib implementation), which leads
+   to problems when accessing e.g. sys/time.h (type redefinition).
+   The solution is to set the Linux header's include guard (to avoid
+   Linux' definition), and to include PDCLib's <time.h> to define the
+   type unambiguously.
+*/
+
+#define _TIMESPEC_DEFINED
+#define _SYS__TIMESPEC_H_
+#define _STRUCT_TIMESPEC
+
+#include <time.h>
+
+#endif