--- vdrift-2009-06-15/include/numprocessors.h.orig	2009-09-09 06:21:30.013730450 +0100
+++ vdrift-2009-06-15/include/numprocessors.h	2009-09-09 06:21:47.974533868 +0100
@@ -13,6 +13,9 @@
 
 	// Required to get number of processors on OS X using sysctlbyname.
 	#include <sys/sysctl.h>
+#elif defined(sun)
+	#include <pthread.h>
+	#include <unistd.h>
 #elif defined(unix) || defined(__unix) || defined(__unix__)
 	#include <pthread.h>
 
@@ -43,6 +46,8 @@
 		{
 			return (unsigned int)numProcessors;
 		}
+#elif defined(sun)
+		return((unsigned int)sysconf(_SC_NPROCESSORS_ONLN));
 #else
 		// Methods for getting the number of processors:
 
--- vdrift-2009-06-15/include/quickmp.h.orig	2009-09-09 06:22:34.793451302 +0100
+++ vdrift-2009-06-15/include/quickmp.h	2009-09-09 06:23:02.211205810 +0100
@@ -325,6 +325,9 @@
 
 	// Required to get number of processors on OS X using sysctlbyname.
 	#include <sys/sysctl.h>
+#elif defined(sun)
+	#include <pthread.h>
+	#include <unistd.h>
 #elif defined(unix) || defined(__unix) || defined(__unix__)
 	#include <pthread.h>
 
@@ -626,6 +629,8 @@
 		{
 			return (unsigned int)numProcessors;
 		}
+#elif defined(sun)
+		return (unsigned int)sysconf(_SC_NPROCESSORS_ONLN);
 #else
 		// Methods for getting the number of processors: