Fix dhrystone

dhrystone/Makefile

@@ -1,6 +1,6 @@
 USE_MYSTDLIB = 0
 OBJS = dhry_1.o dhry_2.o stdlib.o
-CFLAGS = -MD -O3 -march=rv32im -DTIME -DRISCV
+CFLAGS = -MD -O3 -mabi=ilp32 -march=rv32im -DTIME -DRISCV
 TOOLCHAIN_PREFIX = /opt/riscv32im/bin/riscv32-unknown-elf-
 
 ifeq ($(USE_MYSTDLIB),1)

dhrystone/dhry.h

@@ -383,8 +383,13 @@
 
 /* General definitions: */
 
+#ifdef USE_MYSTDLIB
+extern char *strcpy(char *dest, const char *src);
+extern int strcmp(const char *s1, const char *s2);
+#else
 #include <stdio.h>
                 /* for strcpy, strcmp */
+#endif
 
 #define Null 0
                 /* Value of a Null pointer */