#!/bin/sh
# Heavily based on the Slackware 12.2 SlackBuild
# icecast
# http://www.icecast.org/
# The Italian Slackware Community
# http://www.slacky.eu/
# Packager anycolouryoulike

set -e

NAME=icecast
VERSION=2.3.2
ARCH=i486
BUILD=1an

URL=http://downloads.xiph.org/releases/$NAME/$NAME-$VERSION.tar.gz
SOURCE=$(basename $URL)
ARCHIVE=$(expr "$SOURCE" : '.*\(\(\.[^\.]\+\)\{2\}\)')
DOCS="HACKING"

CWD=$(pwd)
TMP=/tmp/tgz/$NAME-$VERSION-$BUILD
PKG=$TMP/package

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O3 -march=i686 -pipe -fomit-frame-pointer"
elif [ "$ARCH" = "athlon64" ]; then
  SLKCFLAGS="-O2 -march=athlon64 -pipe"
elif [ "$ARCH" = "athlonxp" ]; then
  SLKCFLAGS="-O3 -march=athlon-xp -pipe -fomit-frame-pointer"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

download_source() {
if [ ! -f $SOURCE ]; then
    wget $URL
fi
}
clean_directories() {
if [ ! -d $TMP ]; then
    mkdir -p $TMP
else
    rm -rf $TMP/*
fi
if [ ! -d $PKG ]; then
    mkdir -p $PKG
else
    rm -rf $PKG/*
fi
}
explode_archive() {
case $ARCHIVE in
    .tar.gz|.tar.bz2) tar xvf $CWD/$SOURCE ;;
esac
}
set_permissions() {
chown -R root:root .
find -perm 664 -exec chmod 644 {} \;
find -perm 600 -exec chmod 644 {} \;
find -perm 444 -exec chmod 644 {} \;
find -perm 400 -exec chmod 644 {} \;
find -perm 440 -exec chmod 644 {} \;
find -perm 777 -exec chmod 755 {} \;
find -perm 775 -exec chmod 755 {} \;
find -perm 511 -exec chmod 755 {} \;
find -perm 711 -exec chmod 755 {} \;
find -perm 555 -exec chmod 755 {} \;
}
copy_docs() {
if [ ! -d $PKG/usr/doc/$NAME-$VERSION ]; then
    mkdir -p $PKG/usr/doc/$NAME-$VERSION
fi
cat $CWD/slack-desc > $PKG/usr/doc/$NAME-$VERSION/slack-desc
cat $CWD/$NAME.SlackBuild > $PKG/usr/doc/$NAME-$VERSION/$NAME.SlackBuild
for FILE in AUTHORS ChangeLog COPYING INSTALL LICENSE* NEWS README TODO $DOCS
do
    if [ -s $FILE ]; then
	cp -a $FILE $PKG/usr/doc/$NAME-$VERSION/
    fi
done
mkdir $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
}
strip_files() {
find | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
find | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
find | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs strip -g 2> /dev/null || true
gzip -9 usr/man/man?/*.? 2> /dev/null || true
}

download_source
clean_directories
cd $TMP
explode_archive
cd $NAME*
set_permissions
CFLAGS=$SLKCFLAGS \
CPPFLAGS=$SLKCFLAGS \
./configure \
    --prefix=/usr \
    --sysconfdir=/etc \
    --docdir=/usr/doc/$NAME-$VERSION \
    --build=$ARCH-slackware-linux
echo "Press enter to compile"
read
make
make install DESTDIR=$PKG
copy_docs
# Le seguenti due righe sono necessarie perché il configure
# ignora il --docdir
mv $PKG/usr/share/doc/$NAME/* $PKG/usr/doc/$NAME-$VERSION
rmdir $PKG/usr/share/doc/$NAME $PKG/usr/share/doc/
cd $PKG
strip_files
requiredbuilder -v -y -s $CWD $PKG
makepkg -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.tgz

if [ "$1" ]; then
    if [ "$1" = "--cleanup" ]; then
	rm -rf $TMP
	rm -rf $PKG
    else
	echo "$0: unrecognized option \`$1'"
    fi
fi

exit 0