--- Tools/Scripts/webkitdirs.pm.orig	2015-10-13 04:37:06 UTC
+++ Tools/Scripts/webkitdirs.pm
@@ -355,7 +355,7 @@ sub determineNumberOfCPUs
     } elsif (isWindows() || isCygwin()) {
         # Assumes cygwin
         $numberOfCPUs = `ls /proc/registry/HKEY_LOCAL_MACHINE/HARDWARE/DESCRIPTION/System/CentralProcessor | wc -w`;
-    } elsif (isDarwin() || isFreeBSD()) {
+    } elsif (isDarwin() || isFreeBSD() || isBSDSUniX()) {
         chomp($numberOfCPUs = `sysctl -n hw.ncpu`);
     }
 }
@@ -1248,6 +1248,11 @@ sub isLinux()
     return ($^O eq "linux") || 0;
 }
 
+sub isBSDSUniX()
+{
+    return ($^O eq "bsdsunix") || 0;
+}
+
 sub isFreeBSD()
 {
     return ($^O eq "freebsd") || 0;