Errors when compiling dhrystone on unix
I am new to using tests and makefiles. I downloaded the Dhrystone benchmark from the link below and I am trying to compile it, but I am running into strange errors. I tried to solve it but I was not successful. Can anyone help me in running the dhrystone test? Below are two different ways that I tried to compile. But both give the same result :(
Link: http://fossies.org/unix/privat/old/dhrystone-2.1.tar.gz/
The compiled commands tried :
gcc -g dhry.h dhry_1.c dhry_2.c -o dhrystonex
make all
Mistake:
gcc -O -DTIMES -DHZ=60 dhry_1.c dhry_2.c -o gcc_dry2
dhry_1.c:31:18: warning: conflicting types for built-in function ‘malloc’ [enabled by default]
dhry_1.c:48:17: error: conflicting types for ‘times’
/usr/include/i386-linux-gnu/sys/times.h:49:16: note: previous declaration of ‘times’ was here
dhry_1.c: In function ‘main’:
dhry_1.c:98:3: warning: incompatible implicit declaration of built-in function ‘strcpy’ [enabled by default]
dhry_1.c:124:11: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
make: *** [gcc_dry2] Error 1
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Make the following changes. The line with -
before it indicates which you should delete. The line with +
before it indicates which you should add. In total you will replace two lines (before them with //
) and add one new line (a #include
):
diff -bup orig/dhry_1.c new/dhry_1.c
--- orig/dhry_1.c 2012-03-30 11:30:41.984107303 -0700
+++ new/dhry_1.c 2012-03-30 11:31:29.256002567 -0700
@@ -28,7 +28,7 @@ char Ch_1_Glob,
int Arr_1_Glob [50];
int Arr_2_Glob [50] [50];
-extern char *malloc ();
+// extern char *malloc ();
Enumeration Func_1 ();
/* forward declaration necessary since Enumeration may not simply be int */
@@ -45,7 +45,7 @@ Enumeration Func_1 ();
#ifdef TIMES
struct tms time_info;
-extern int times ();
+// extern int times ();
/* see library function "times" */
#define Too_Small_Time (2*HZ)
/* Measurements should last at least about 2 seconds */
diff -bup orig/dhry.h new/dhry.h
--- orig/dhry.h 2012-03-30 11:30:41.984107303 -0700
+++ new/dhry.h 2012-03-30 11:31:29.256002567 -0700
@@ -392,6 +392,7 @@
/* General definitions: */
#include <stdio.h>
+#include <string.h>
/* for strcpy, strcmp */
#define Null 0
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