build

#!/bin/bash
#
# FileName: build
# Description: A build script that runs configures, builds and installs armamin.
# 
# Copyright (C) 2014  K M Masum Habib <masum.habib@gmail.com>
#
# Created: 18 June 2014.

build_dir="obj"

function usage(){
    echo "Usage: build [options]"
    echo "  When no option is given, builds armamin using make."
    echo "  options: " 
    echo "    config: configures armamin using cmake."
    echo "    install [path]: installs armamin."
    echo "    doc: build documentation."
    echo "    clean: deletes compiled object files in the build folder."
    echo "    superclean: deletes build folder."
    echo "    help: shows this message."
}

function doconfig(){
    mkdir -p $build_dir
    cd $build_dir
    cmake ../
    cd ../
}

function domake(){
    mkopt=""
    ncpu="4"

    if [[ "$1" ]]; then
        mkopt=$1
    fi

    if [[ "$2" ]]; then
        ncpu=$2
    fi

    if [[ ! -f "./$build_dir/Makefile" ]]; then
        doconfig
    fi

    cd $build_dir && make -j $ncpu $mkopt
}

if [[ $# -eq 0 ]]; then
    # No argument, run build armamin
    domake
elif [[ $# -ge 1 ]]; then
    opt=$1
    if [[ $opt == "help" ]]; then
        usage
    elif [[ $opt == "config" ]]; then 
        doconfig
    elif [[ $opt == "clean" ]]; then 
        domake "clean"
    elif [[ $opt == "superclean" ]]; then
        rm -rf $build_dir
    elif [[ $opt == "install" ]]; then
        if [[ $# == 2 ]]; then
            install_dir=$2
            cd $build_dir && cmake -DCMAKE_INSTALL_PREFIX:PATH=$install_dir ../ && make install
        else
            cd $build_dir && make install 
        fi
    elif [[ $opt == "doc" ]]; then
        if [[ ! -f "./$build_dir/Makefile" ]]; then
            doconfig
        fi

        cd $build_dir && make doc
    else
        usage
        exit -1
    fi
else
    usage
    exit -1
fi