Define CLOCKS_PER_SEC.

Define CLK_TCK only if _ANSI_SOURCE is not defined.

Don't include <machine/limits.h> to get the definition of CLK_TCK.
CLK_TCK should never have been defined there, and the inclusion
polluted the namespace.

include/time.h

@@ -43,6 +43,17 @@
 
 #include <machine/ansi.h>
 
+#ifndef _ANSI_SOURCE
+/*
+ * Frequency of the clock ticks reported by times().  Deprecated - use
+ * sysconf(_SC_CLK_TCK) instead.
+ */
+#define	CLK_TCK		_BSD_CLOCKS_PER_SEC_
+#endif
+
+/* Frequency of the clock ticks reported by clock().  */
+#define	CLOCKS_PER_SEC	_BSD_CLOCKS_PER_SEC_
+
 #ifndef	NULL
 #define	NULL	0
 #endif
@@ -76,8 +87,6 @@ struct tm {
 	char	*tm_zone;	/* timezone abbreviation */
 };
 
-#include <machine/limits.h>	/* Include file containing CLK_TCK. */
-
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS