#! /bin/bash

trap "echo '*** BUILD FAILED! ***' 1>&2" ERR
set -ex -o pipefail
umask 022
export PATH='/bin:/usr/bin:/usr/local/bin:~/diet-pc/tools'
export CFLAGS=${CFLAGS:--Os}
export CXXFLAGS=${CXXFLAGS:--Os}

rebuild () {
    tar xjf module-init-tools-3.9.tar.bz2
    cd module-init-tools-3.9
    autoreconf
    bunzip2 -c ../module-init-tools-3.9-dietpc-patch.bz2 | patch -p1 -b
    ./configure --prefix='' --enable-zlib
    make
    cd build
    strip -R .note -R .comment depmod insmod lsmod modinfo modprobe rmmod
    mkdir -p ../../module-init-tools/sbin
    cp depmod insmod lsmod modinfo modprobe rmmod ../../module-init-tools/sbin/
    cd ../..
    rm -rf module-init-tools-3.9
}

while read FN; do
    eval "[ -e $FN ] || rebuild"
done < MANIFEST

ARCH=`ipkg -V 0 print_architecture | tail -n 1 | cut -f2 -d' '`
for CTRLFILE in */CONTROL/control; do
    sed -i -e "s/__ARCH__/$ARCH/g" $CTRLFILE
    sudo ipkg-build -o root -g root `dirname $CTRLFILE`/..
done
