From b127603cb6d92f13f58e18653fba31c5f9af027a Mon Sep 17 00:00:00 2001
From: Tim Niemeyer <tim.niemeyer@mastersword.de>
Date: Thu, 9 May 2013 15:14:08 +0200
Subject: [PATCH] buildscript: use parallel make with the number of cpus

Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de>
---
 buildscript | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/buildscript b/buildscript
index 4f2ba4f..5f11ad8 100755
--- a/buildscript
+++ b/buildscript
@@ -68,16 +68,17 @@ build() {
 
 	opath=$(pwd)
 	cd $target
+    cpus=$(grep processor /proc/cpuinfo | wc -l)
 
 	case "$1" in
 		"debug")
 			make V=99
 			;;
 		"fast")
-			ionice -c 2 -- nice -n 1 -- make -j12
+			ionice -c 2 -- nice -n 1 -- make -j$[$cpus*2]
 			;;
 		*)
-			ionice -c 3 -- nice -n 10 -- make -j8
+			ionice -c 3 -- nice -n 10 -- make -j$[$cpus+1]
 			;;
 	esac
 	# actually this does northing!