buildboost

#!/bin/bash

# Script arguments:
# $1: <version> representing the boost version number to install (e.g. '60' for version 1.60)
# $2: 'force' if installation should proceed even if /usr/local/include/boost already exists, it removes /usr/local/include/boost and /usr/local/lib/lobboost_*!

if [ "$2" != "force" ] && [ -d /usr/local/include/boost ]; then
    echo boost already installed in /usr/local
else
    SAVE=`pwd`
    BOOSTVER=$1
    BOOSTDOWNLOAD="http://sourceforge.net/projects/boost/files/boost/1.${BOOSTVER}.0/boost_1_${BOOSTVER}_0.tar.bz2/download"
    mkdir -p ~/boost
    cd ~/boost

    if [ "$2" = "force" ]; then
        # Force boost to be downloaded and unpacked again
        rm -f boost_1_${BOOSTVER}_0.tar.bz2
        sudo rm -rf boost_1_${BOOSTVER}_0

        # b2 install should copy the includes to /usr/local/include/boost, but this sometimes
        # doesn't seem to happen - possibly if the files are already there.
        sudo rm -rf /usr/local/include/boost
        sudo rm -f /usr/local/lib/libboost_*
    fi

    if [ -e boost_1_${BOOSTVER}_0.tar.bz2 ]; then
        echo boost_1_${BOOSTVER}_0.tar.bz2 already exists
    else
        echo Downloading boost_1_${BOOSTVER}_0.tar.bz2
        #sudo apt-get update
        wget -c "$BOOSTDOWNLOAD" -O boost_1_${BOOSTVER}_0.tar.bz2
    fi

    if [ -d boost_1_${BOOSTVER}_0 ]; then
        echo folder boost_1_${BOOSTVER}_0 already exists
    else
        echo uncompressing tarball 
        tar --bzip2 -xf boost_1_${BOOSTVER}_0.tar.bz2
    fi

    cd boost_1_${BOOSTVER}_0
    ./bootstrap.sh
    echo "Building both static and shared boost libraries"
    echo "Headers will be installed under /usr/local/include/boost"
    echo "Libraries will be installed under /usr/local/lib"
    echo "Writing stdout to boost_1_${BOOSTVER}_0/out.txt and stderr to boost_1_${BOOSTVER}_0/err.txt"
    echo "Have patience this takes a long time..."
    sudo ./b2 cxxflags="-std=c++11 -fPIC" link=static,shared install 1>out.txt 2>err.txt

    # Seems to be needed to allow the boost shared libraries in /usr/local/lib to be found
    # when applications using these shared libraries are run.
    # It was found that /etc/ld.so.conf.d/libc.conf already contains /usr/local/lib
    sudo ldconfig

    cd $SAVE 
fi