build script for enna and dependencies

#!/bin/bash

cd `dirname $0`

##############################################################################
# Build Variables
export PREFIX="/usr/local/geexbox"
export PKG_CONFIG_PATH="$PREFIX/lib/pkgconfig"
export CFLAGS="-fPIC -mfloat-abi=softfp -mfpu=neon"
package="false"

##############################################################################
# Utility Functions
mkdir -p .state
state=`pwd`/.state
target=`pwd`/target

function ifneeded() {
    step=$1
    pkg=$2
    cmd=$3
    echo "##############################################################################"
    if ! [ -e $state/$pkg.$step ]; then
        echo "### $pkg: running: $cmd"
        (sh -c "$cmd" && touch $state/$pkg.$step) || return 1
    else
        echo "### $pkg: already completed: $cmd"
    fi
    return 0
}

function build2() {
    pkg=$1
    shift 1
    if [ -x autogen.sh ]; then
        ifneeded autogen $pkg "NOCONFIGURE=1 ./autogen.sh" || return 1
    fi
    ifneeded configure $pkg "./configure --prefix=$PREFIX $* --disable-doc" || return 1
    ifneeded build     $pkg "make -j4" || return 1
    ifneeded install   $pkg "sudo make install" || return 1
    if [ $package != "false" ]; then
        ifneeded package $pkg "sudo make install DESTDIR=$target" || return 1
    fi
    return 0
}

function build() {
    pkg=$1
    (cd $pkg; build2 $*) || return 1
    return 0
}

function fetch() {
    pkg=$1
    shift 1
    ifneeded fetch $pkg "$*" || return 1
    return 0
}


###############################################################################
# Argument parsing:

DEBUG_CFLAGS="-O3"     # Default optimize instead of debug..

for arg in $*; do
    # todo.. add args for kernel and gfx ddk path..
    case $arg in
        --force-bootstrap)
            rm -f $state/*.configure $state/*.autogen
            shift 1
            ;;
        --clean)
            # XXX todo
            shift 1
            ;;
        --debug)
            DEBUG_CFLAGS="-g"
            shift 1
            ;;
        --package)
            package="true"
            shift 1
            ;;
        --help)
            echo "$0 [--force-bootstrap] [--clean] [component-path]*"
            echo "  --force-bootstrap  -  re-run bootstrap and configure even if it has already been run"
            echo "  --clean            -  clean derived objects"
            echo "  --debug            -  build debug build"
            echo "  --package          -  for non cross-compile builds, archive binaries"
            echo "  --help             -  show usage"
            echo ""
            echo "  example:  $0 --force-bootstrap"
            exit 0
            ;;
        *)
            # XXX todo
            build_components="$*"
            break
            ;;
    esac
done

CFLAGS="$DEBUG_CFLAGS $CFLAGS"

##############################################################################
# Build Steps

# note: -r51480 is 1.0 alpha... geexbox is building r51486 in case of ethumb
# and elementary, so I follow suit..
fetch eina      svn checkout -r51480 http://svn.enlightenment.org/svn/e/trunk/eina &&
build eina      --disable-tests --enable-posix-threads &&
fetch eet       svn co -r51480 http://svn.enlightenment.org/svn/e/trunk/eet &&
build eet       --disable-tests &&
fetch evas      svn co -r51480 http://svn.enlightenment.org/svn/e/trunk/evas &&
build evas      --disable-tests --enable-cpu-neon --disable-convert-32-rgb-rot-90 --enable-pthreads --enable-pipe-render --enable-async-preload --enable-async-events --enable-async-render --enable-word-cache --enable-metric-cache &&
fetch ecore     svn co -r51480 http://svn.enlightenment.org/svn/e/trunk/ecore &&
build ecore     --disable-tests --disable-epoll &&
fetch embryo        svn co -r51480 http://svn.enlightenment.org/svn/e/trunk/embryo &&
build embryo        --disable-tests &&
fetch edje      svn co -r51480 http://svn.enlightenment.org/svn/e/trunk/edje &&
build edje      --disable-tests &&
fetch e_dbus        svn co -r51480 http://svn.enlightenment.org/svn/e/trunk/e_dbus &&
build e_dbus        --disable-tests &&
fetch ethumb        svn co -r51486 http://svn.enlightenment.org/svn/e/trunk/ethumb &&
build ethumb        --disable-tests &&
fetch elementary    svn co -r51486 http://svn.enlightenment.org/svn/e/trunk/TMP/st/elementary &&
build elementary    --disable-tests &&
fetch libplayer     git clone git://github.com/robclark/libplayer.git &&
build libplayer     --enable-gstreamer &&
fetch libnfo        git clone git://git.openbricks.org/libnfo.git &&
build libnfo        &&
fetch libvalhalla   git clone git://git.openbricks.org/libvalhalla.git &&
build libvalhalla   --enable-grabber-ffmpeg &&
fetch enna      git clone git://git.openbricks.org/enna.git &&
build enna      --enable-theme-stb --enable-theme-default &&
echo "Success!!"