diff --git a/software/coremark/freedom-metal/core_portme.c b/software/coremark/freedom-metal/core_portme.c
index 1d342592e..8b0b7db27 100755
--- a/software/coremark/freedom-metal/core_portme.c
+++ b/software/coremark/freedom-metal/core_portme.c
@@ -15,7 +15,11 @@ limitations under the License.
 
 Original Author: Shay Gal-on
 */
+#ifdef __SEGGER_LIBC__
+#include <time.h>
+#else
 #include <sys/time.h>
+#endif
 #include "coremark.h"
 #include "core_portme.h"
 
diff --git a/software/coremark/freedom-metal/core_portme.h b/software/coremark/freedom-metal/core_portme.h
index 4d1d6f9ce..b20199132 100755
--- a/software/coremark/freedom-metal/core_portme.h
+++ b/software/coremark/freedom-metal/core_portme.h
@@ -93,7 +93,11 @@ typedef ee_u32 ee_ptr_int;
 typedef ee_u64 ee_ptr_int;
 #endif
 typedef signed int ee_size_t;
+
+#ifndef __SEGGER_LIBC__
 #define NULL ((void *)0)
+#endif
+
 /* align_mem :
 	This macro is used to align an offset to point to a 32b value. It is used in the Matrix algorithm to initialize the input memory blocks.
 */