better sysctl use if it's not in PATH

rvm · Mar 31, 2013 · e77f34e · e77f34e
1 parent b286cee
commit e77f34e
Showing 1 changed file with 15 additions and 1 deletion.
diff --git a/scripts/functions/build_config b/scripts/functions/build_config
@@ -370,7 +370,21 @@ __rvm_detect_max_threads()
 {
   case "$(uname)" in
     (Darwin|FreeBSD)
-      sysctl -n hw.ncpu
+      if
+        __rvm_which sysctl >/dev/null
+      then
+        sysctl -n hw.ncpu
+      elif
+        [[ -x /usr/sbin/sysctl ]]
+      then
+        /usr/sbin/sysctl -n hw.ncpu
+      elif
+        [[ -x /sbin/sysctl ]]
+      then
+        /sbin/sysctl -n hw.ncpu
+      else
+        echo 1
+      fi
       ;;
     (*)
       cat /proc/cpuinfo 2>/dev/null | (grep vendor_id || echo 'one';) | wc -l