#!/bin/sh
# Heavily based on the Slackware 12.0 SlackBuild
# http://www.gentoo.com/di/
# http://www.slacky.it

NAME=di
VERSION=4.12
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1bj}

CWD=`pwd`
TMP=${TMP:-/tmp/tgz}
PKG=$TMP/package-$NAME
rm -rf $PKG
mkdir -p $PKG

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

cd $TMP
rm -rf $NAME-$VERSION

# unpack the sources and fix their permissions
tar -xvzf $CWD/$NAME-$VERSION.tar.gz || exit 1
cd $NAME-$VERSION
chown -R root:root .
chmod -R u+w,go+r-w,a-s .
echo ""
echo "Starting compilation :)"

# make 
make CFLAGS="$SLKCFLAGS" \
     prefix=/usr || exit 1

# redirect installation of the package
make prefix=$PKG/usr \
     MANPATH=$PKG/usr/man install || exit 1

# strip bin & gzip man pages
strip $PKG/usr/bin/*
gzip -9 $PKG/usr/man/man1/*

# copy the docs
mkdir -p $PKG/usr/doc/$NAME-$VERSION
cp -a LICENSE* MANIFEST README $PKG/usr/doc/$NAME-$VERSION/

# copy the slack-desc
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/slack-desc > $PKG/usr/doc/$NAME-$VERSION/slack-desc
cat $CWD/$NAME.SlackBuild > $PKG/usr/doc/$NAME-$VERSION/$NAME.SlackBuild

# build the package
cd $PKG
chown -R root:root .
requiredbuilder -y -v -s $CWD $PKG
makepkg -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.tgz

# clean up the extra stuff
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP
fi