script: increase the number of concurrent compilers

It is safe to run as many compilation processes as twice the number of
CPUs. This is the default settings of RPM building process in Tizen.

Change-Id: Id68d9d31bc54da11c8732689645408241a517887
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>

diff --git a/build-rpi4.sh b/build-rpi4.sh
index 31a8213..7c2930d 100755 (executable)
--- a/build-rpi4.sh
+++ b/build-rpi4.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 NCPUS=`cat /proc/cpuinfo | grep processor | wc -l`
+NCPUS=$(($NCPUS * 2))
 
 if [ $# != 1 ]; then
        echo "Usage : $0 <architecture>"