+-j

diff --git a/bin/errs2 b/bin/errs2
index 1bf94d7..7563cf7 100755 (executable)
--- a/bin/errs2
+++ b/bin/errs2
@@ -6,7 +6,12 @@ if [ "$1" = "-a" ];then
        args="$args $1"
        shift
 fi
        args="$args $1"
        shift
 fi

+j=""
+cpus="`getconf _NPROCESSORS_ONLN`"
+if [ -n "$cpus" ];then
+       j="-j$[$cpus+1]"
+fi

 (
        set -ex
 (
        set -ex

-       time nice make "$@"
+       time nice make $j "$@"

        ) 2>&1|tee $args errs2
        ) 2>&1|tee $args errs2