#!/bin/sh
# Heavily based on the Slackware 12.2 SlackBuild
# http://eigen.tuxfamily.org/
# Packager Michelino Chionchio - Thanks to www.slacky.eu

CWD=`pwd`
TMP=${TMP:-/tmp/tgz}
PKG=$TMP/package-eigen
NAME=eigen
VERSION=2.0.1
ARCH=${ARCH:-i486}
BUILD=1mch

SOURCE=http://freshmeat.net/redir/eigen/69896/url_tgz/$NAME-$VERSION.tar.bz2

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
fi

if [ ! -d $TMP ]; then
 mkdir -p $TMP
fi
if [ ! -d $PKG ]; then
 mkdir -p $PKG
fi


if [ ! -e $CWD/$NAME-$VERSION.tar.bz2 ]; then
 wget $SOURCE
fi

cd $TMP
tar xjvf $CWD/$NAME-$VERSION.tar.bz2
cd $NAME-$VERSION
chown -R root:root .

cmake \
-DCMAKE_INSTALL_PREFIX=/usr \
-DCMAKE_CXX_FLAGS="$SLKCFLAGS" \
. || exit 1

make || exit 1
make install DESTDIR=$PKG || exit 1

mkdir -p $PKG/usr/doc/$NAME-$VERSION
cp -a COPYING $PKG/usr/doc/$NAME-$VERSION

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

cd $PKG
requiredbuilder -v -y -s $CWD $PKG
makepkg -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.tgz

if [ "$1" = "--cleanup" ]; then
 rm -rf $TMP
fi
