#!/bin/sh
# Author: Gufo gufo<at>people<dot>it - http://gufo.dontexist.org
# Heavily based on the Slackware 12.2 SlackBuild
# License Gplv2
# Some suggestion taken from http://slackbuilds.org/

set -e

APP=pptp
VERSION=1.7.2
BUILD=${BUILD:-1gufo}

ARCH=${ARCH:-i486}


CWD=$(pwd)
if [ "${TMP}" = "" ]; then
      TMP=/tmp
fi

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

PKG=${TMP}/${APP}-${VERSION}-build

# Delete the leftover directories if they exist (due to a previous build)
# and (re)create the packaging directory
rm -rf ${PKG} ${TMP}/${APP}-${VERSION}
mkdir -p ${TMP} ${PKG}

cd ${TMP} 

tar zxvf "$CWD"/${APP}-${VERSION}.tar.gz 


cd ${APP}-${VERSION} 

# Patch
if [ -e $CWD/patch.gz ]; then
    zcat  $CWD/patch.gz | patch -p0
fi

# Change ownership and permissions if necessary
# This may not be needed in some source tarballs, but it never hurts
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

CFLAGS="$SLKCFLAGS" make 

make install DESTDIR=${PKG} 

mkdir -p ${PKG}/install 
cp "$CWD"/slack-desc ${PKG}/install

# Add scripts
if [ -e $CWD/scripts.tar.gz ]; then
	mkdir -p ${PKG}/usr/sbin
	tar zxvf $CWD/scripts.tar.gz -C ${PKG}/usr/sbin
	chmod +x ${PKG}/usr/sbin/{poff,pon}
fi

# Documentation
mkdir -p ${PKG}/usr/doc/${APP}-${VERSION}
cat $CWD/${APP}.SlackBuild > ${PKG}/usr/doc/${APP}-${VERSION}/${APP}.SlackBuild

#Allow errors here since this copies generic docs
set +e

# Copy documentation to the docs directory and fix permissions
cp -a Documentation AUTHORS COPYING ChangeLog DEVELOPERS INSTALL NEWS PROTOCOL-SECURITY README TODO USING ${PKG}/usr/doc/${APP}-${VERSION}
find ${PKG}/usr/doc/${APP}-${VERSION} -type f -exec chmod 644 {} \;

set -e

# Add doinst.sh to package (if it exists)
if [ -e $CWD/doinst.sh.gz ]; then
  zcat $CWD/doinst.sh.gz > ${PKG}/install/doinst.sh
fi

if [ -e $CWD/rc.${APP}.gz ]; then
    if [ ! -e ${PKG}/etc/rc.d/ ]; then
	mkdir -p ${PKG}/etc/rc.d/
    fi
    zcat $CWD/rc.${APP}.gz > ${PKG}/etc/rc.d/rc.${APP}.new
fi

# Rename configuration files
for i in ${PKG}/etc/ppp/*; do
	mv $i $i.new
done

# Rename scripts
for i in ${PKG}/usr/sbin/{poff,pon}; do
	mv $i $i.new
done

# Fix man pages
mv ${PKG}/usr/share/man ${PKG}/usr/man
rm -rf ${PKG}/usr/share

# Strip some libraries and binaries
( cd ${PKG}
   find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
   find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Compress man pages if they exist
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

# Compress info pages if they exist (and remove the dir file)
if [ -d ${PKG}/usr/info ]; then
  gzip -9 ${PKG}/usr/info/*.info
  rm -f ${PKG}/usr/info/dir
fi


cd ${PKG}
requiredbuilder -v -y -s $CWD $PKG
/sbin/makepkg -l y -c n ${TMP}/${APP}-${VERSION}-$ARCH-$BUILD.tgz
cp ${TMP}/${APP}-${VERSION}-$ARCH-$BUILD.tgz "$CWD"

rm -r ${PKG} ${TMP}/${APP}-${VERSION}