script: increase the number of concurrent compilers

It is safe to run as many compilation processes as twice
the number of CPUs.

Change-Id: Ic6c052d6c30f94920c3bdd272c2f1b19ecbe1ac2
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/build-amlogic.sh b/build-amlogic.sh
index 6fd8517..504ca4f 100755 (executable)
--- a/build-amlogic.sh
+++ b/build-amlogic.sh
@@ -3,6 +3,7 @@
 CROSS_COMPILE=${CROSS_COMPILE:-aarch64-linux-gnu-}
 ARM_ARCH=arm64
 NCPUS=`cat /proc/cpuinfo | grep processor | wc -l`
+NCPUS=$(($NCPUS * 2))
 
 # Check this system has ccache
 check_ccache()