Build performance optimisations

.buildbot/openwrt/build.sh

@@ -11,6 +11,9 @@
 
 set -x
 
+renice -n 19 $$
+export MAKEOPTS="-j $(nproc)"
+
 tar -xJf /Downloads/openwrt-sdk-${OPENWRT_VERSION}-*.tar.xz
 
 cp -r feed openwrt-sdk-*/
@@ -24,14 +27,14 @@ cat ${pwd}/feeds.conf >> feeds.conf
 ./scripts/feeds update -a
 ./scripts/feeds install -a
 
-make defconfig
+make $MAKEOPTS defconfig
 # Enable collectd network encryption
 echo "CONFIG_PACKAGE_COLLECTD_ENCRYPTED_NETWORK=y" >> .config
 
-make package/asterisk-chan-quectel/compile
-make package/collectd/compile
+make $MAKEOPTS package/asterisk-chan-quectel/compile
+make $MAKEOPTS package/collectd/compile
 # no signing key
-make package/index
+make $MAKEOPTS package/index
 
 sdkdir=$(pwd)
 cd ${pwd}
@@ -44,7 +47,7 @@ cp ${sdkdir}/bin/packages/aarch64_cortex-a72/packages/*.ipk packages/
 cp ${sdkdir}/bin/packages/aarch64_cortex-a72/telephony/*.ipk packages/
 cp ${sdkdir}/bin/packages/aarch64_cortex-a72/quectel/*.ipk packages/
 
-make info
+make $MAKEOPTS info
 
 # Increase the size of the root partition
 echo "CONFIG_TARGET_ROOTFS_PARTSIZE=308" >> .config
@@ -97,10 +100,10 @@ PACKAGES="kmod-nf-nathelper-extra kmod-rtc-ds1307 \
 	  wireguard-tools wget-ssl \
 	 "
 
-make image PROFILE=rpi-4 \
+make $MAKEOPTS image PROFILE=rpi-4 \
      PACKAGES="${PACKAGES}" DISABLED_SERVICES="dropbear" FILES="files"
 
-make manifest PROFILE=rpi-4 PACKAGES="${PACKAGES}"
+make $MAKEOPTS manifest PROFILE=rpi-4 PACKAGES="${PACKAGES}"
 
 out=../../out