source: pacpustutorials/solutions/project_exercises/build/build_linux.sh

#!/bin/bash

set -e

if [ -z $PACPUS_ROOT ]; then
        echo PACPUS_ROOT environment variable does not exist, please set it the folder in which you have installed pacpusframework. 
else 

        # the following line will create a folder like: build_opt_pacpus_0.2.0_
        BUILD_DIR=./build${PACPUS_ROOT////_}
        echo Your files will be built in: $BUILD_DIR

        if [ -z $1 ]; then J="1"; else J="$1"; 
        fi

        if [ "$TARGET_PREFIX" == "arm-poky-linux-gnueabi-" ]; then
                echo The environment is configured for poky_arm
                exit 1
        fi

        if [ -d "$BUILD_DIR" ]; then
                rm -rf $BUILD_DIR
        fi

        mkdir $BUILD_DIR
        cd $BUILD_DIR

        cmake ../..

        make -j$J
  make install

fi