#!/bin/sh

# Heavily based on the Slackware 13.37 SlackBuild
# Written by Loris Vincenzi ( loris @ http://www.slacky.eu )

# Slackware build script for 'vpnc'
# Official Site: http://www.unix-ag.uni-kl.de/~massar/vpnc/


# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

set -e

PKGNAME=vpnc
VERSION=${VERSION:-0.5.3}
BUILD=${BUILD:-4}
TAG=${TAG:-sl}
ARCH=${ARCH:-i486}
SOURCE=http://www.unix-ag.uni-kl.de/~massar/vpnc/$PKGNAME-$VERSION.tar.gz

CWD=$(pwd)
TMP=${TMP:-/tmp/buildpkgs/$PKGNAME}
PKG=$TMP/package-$PKGNAME
OUTPUT=${OUTPUT:-$CWD}

CHOST="i486"
if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  CHOST="x86_64"
fi

rm -rf $TMP
mkdir -p $TMP $PKG $OUTPUT

if [ ! -e $PKGNAME-$VERSION.tar.gz ];then
  wget $SOURCE
fi

cd $TMP
tar xvf $CWD/$PKGNAME-$VERSION.tar.gz
cd $PKGNAME-$VERSION

chown -R root:root .
chmod -R u+w,go+r-w,a-s .


CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
make CFLAGS="$SLKCFLAGS" PREFIX=/usr MANDIR=/usr/man DOCDIR=/usr/doc/$PKGNAME-$VERSION $MAKEFLAGS
make install DESTDIR=$PKG PREFIX=/usr MANDIR=/usr/man DOCDIR=/usr/doc/$PKGNAME-$VERSION $MAKEFLAGS

mv $PKG/etc/vpnc/default.conf $PKG/etc/vpnc/default.conf.new
mv $PKG/etc/vpnc/vpnc-script $PKG/etc/vpnc/vpnc-script.new

mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION
cp -a COPYING ChangeLog README TODO VERSION $PKG/usr/doc/$PKGNAME-$VERSION

cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/$PKGNAME.SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/slack-desc

if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    find . -type f -exec gzip -9 {} \;
    for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
  )
fi

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
chown -R root:root $PKG

if [ -x "$(which depfinder 2>/dev/null)" ];then
  depfinder -f -s -a -p $PKG
  mv slack-required $CWD/
elif [ -x "$(which requiredbuilder 2>/dev/null)" ];then
  requiredbuilder -y -v -s $CWD $PKG
fi

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}

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