compiled newlib, need to hook up the system calls

rocklibc/src/_tzcode/_PDCLIB_gmtcheck.c

@@ -0,0 +1,53 @@
+/* _PDCLIB_gmtcheck( void )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#ifndef REGTEST
+
+#include "pdclib/_PDCLIB_tzcode.h"
+
+#ifndef __STDC_NO_THREADS__
+#include <threads.h>
+extern mtx_t _PDCLIB_time_mtx;
+#endif
+
+static void gmtload( struct state * sp )
+{
+    if ( _PDCLIB_tzload( gmt, sp, true ) != 0 )
+    {
+        _PDCLIB_tzparse( gmt, sp, true );
+    }
+}
+
+void _PDCLIB_gmtcheck( void )
+{
+    static bool gmt_is_set;
+
+    _PDCLIB_LOCK( _PDCLIB_time_mtx );
+
+    if ( ! gmt_is_set )
+    {
+        gmtload( &_PDCLIB_gmtmem );
+        gmt_is_set = true;
+    }
+
+    _PDCLIB_UNLOCK( _PDCLIB_time_mtx );
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+#ifndef REGTEST
+#endif
+
+    return TEST_RESULTS;
+}
+
+#endif